Analysis
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max time kernel
151s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
10-01-2024 19:11
Static task
static1
Behavioral task
behavioral1
Sample
37798198d3649f8171286118fd320fe2.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
37798198d3649f8171286118fd320fe2.exe
Resource
win10v2004-20231215-en
General
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Target
37798198d3649f8171286118fd320fe2.exe
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Size
2.7MB
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MD5
37798198d3649f8171286118fd320fe2
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SHA1
e4d54a7c1dec833f20a6ff922388bac3b0a8546f
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SHA256
04e942767c6c9744ef7eb6d3cc342239b8feaacd4df3c5e542b85177c0fbd97f
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SHA512
04f6b778a1920686a8c831be6a827df8997c70b5f2148470142748388d8719f78c553ca462000323bc96c9dc0443addaed636687743ed6df159bab3e90e45838
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SSDEEP
12288:lmsZymTeEa4vxX8Y4psEDM44IR//XjlYFq1XIJrgjawytjSu76nPK91s38NOu6Nb:ol
Malware Config
Signatures
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A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
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Detect ZGRat V1 1 IoCs
resource yara_rule behavioral1/memory/2920-4-0x00000000002D0000-0x00000000002E6000-memory.dmp family_zgrat_v1 -
StormKitty
StormKitty is an open source info stealer written in C#.
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StormKitty payload 16 IoCs
resource yara_rule behavioral1/memory/2912-27-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2912-31-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2912-29-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2912-23-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2912-21-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2912-34-0x00000000003A0000-0x00000000003E0000-memory.dmp family_stormkitty behavioral1/memory/2912-104-0x00000000003A0000-0x00000000003E0000-memory.dmp family_stormkitty behavioral1/memory/772-106-0x0000000000AB0000-0x0000000000B30000-memory.dmp family_stormkitty behavioral1/memory/2452-125-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2452-127-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/2452-130-0x0000000000940000-0x0000000000980000-memory.dmp family_stormkitty behavioral1/memory/2032-155-0x0000000000A10000-0x0000000000A90000-memory.dmp family_stormkitty behavioral1/memory/1064-172-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/1064-174-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral1/memory/1064-176-0x0000000000620000-0x0000000000660000-memory.dmp family_stormkitty behavioral1/memory/2764-202-0x0000000002180000-0x0000000002200000-memory.dmp family_stormkitty -
A310logger Executable 17 IoCs
resource yara_rule behavioral1/memory/2912-27-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2912-31-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2912-29-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2912-23-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2912-21-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2912-34-0x00000000003A0000-0x00000000003E0000-memory.dmp a310logger behavioral1/files/0x000e00000001562f-100.dat a310logger behavioral1/memory/2912-104-0x00000000003A0000-0x00000000003E0000-memory.dmp a310logger behavioral1/memory/772-106-0x0000000000AB0000-0x0000000000B30000-memory.dmp a310logger behavioral1/memory/2452-125-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2452-127-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/2452-130-0x0000000000940000-0x0000000000980000-memory.dmp a310logger behavioral1/memory/2032-155-0x0000000000A10000-0x0000000000A90000-memory.dmp a310logger behavioral1/memory/1064-172-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/1064-174-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral1/memory/1064-176-0x0000000000620000-0x0000000000660000-memory.dmp a310logger behavioral1/memory/2764-202-0x0000000002180000-0x0000000002200000-memory.dmp a310logger -
Executes dropped EXE 3 IoCs
pid Process 772 MZ.exe 2032 MZ.exe 2764 MZ.exe -
Loads dropped DLL 3 IoCs
pid Process 2912 InstallUtil.exe 2452 InstallUtil.exe 1064 InstallUtil.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 9 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 2 icanhazip.com -
Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
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Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 2920 set thread context of 2804 2920 37798198d3649f8171286118fd320fe2.exe 29 PID 2804 set thread context of 2912 2804 37798198d3649f8171286118fd320fe2.exe 28 PID 2804 set thread context of 2452 2804 37798198d3649f8171286118fd320fe2.exe 34 PID 2804 set thread context of 1064 2804 37798198d3649f8171286118fd320fe2.exe 36 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 6 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier InstallUtil.exe Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 InstallUtil.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier InstallUtil.exe Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 InstallUtil.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier InstallUtil.exe Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 772 MZ.exe 772 MZ.exe 2032 MZ.exe 2032 MZ.exe 2764 MZ.exe 2764 MZ.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2804 37798198d3649f8171286118fd320fe2.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 772 MZ.exe Token: SeDebugPrivilege 2032 MZ.exe Token: SeDebugPrivilege 2764 MZ.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2804 37798198d3649f8171286118fd320fe2.exe 2804 37798198d3649f8171286118fd320fe2.exe -
Suspicious use of WriteProcessMemory 57 IoCs
description pid Process procid_target PID 2920 wrote to memory of 2804 2920 37798198d3649f8171286118fd320fe2.exe 29 PID 2920 wrote to memory of 2804 2920 37798198d3649f8171286118fd320fe2.exe 29 PID 2920 wrote to memory of 2804 2920 37798198d3649f8171286118fd320fe2.exe 29 PID 2920 wrote to memory of 2804 2920 37798198d3649f8171286118fd320fe2.exe 29 PID 2920 wrote to memory of 2804 2920 37798198d3649f8171286118fd320fe2.exe 29 PID 2920 wrote to memory of 2804 2920 37798198d3649f8171286118fd320fe2.exe 29 PID 2920 wrote to memory of 2804 2920 37798198d3649f8171286118fd320fe2.exe 29 PID 2920 wrote to memory of 2804 2920 37798198d3649f8171286118fd320fe2.exe 29 PID 2920 wrote to memory of 2804 2920 37798198d3649f8171286118fd320fe2.exe 29 PID 2804 wrote to memory of 2912 2804 37798198d3649f8171286118fd320fe2.exe 28 PID 2804 wrote to memory of 2912 2804 37798198d3649f8171286118fd320fe2.exe 28 PID 2804 wrote to memory of 2912 2804 37798198d3649f8171286118fd320fe2.exe 28 PID 2804 wrote to memory of 2912 2804 37798198d3649f8171286118fd320fe2.exe 28 PID 2804 wrote to memory of 2912 2804 37798198d3649f8171286118fd320fe2.exe 28 PID 2804 wrote to memory of 2912 2804 37798198d3649f8171286118fd320fe2.exe 28 PID 2804 wrote to memory of 2912 2804 37798198d3649f8171286118fd320fe2.exe 28 PID 2804 wrote to memory of 2912 2804 37798198d3649f8171286118fd320fe2.exe 28 PID 2804 wrote to memory of 2912 2804 37798198d3649f8171286118fd320fe2.exe 28 PID 2804 wrote to memory of 2912 2804 37798198d3649f8171286118fd320fe2.exe 28 PID 2804 wrote to memory of 2912 2804 37798198d3649f8171286118fd320fe2.exe 28 PID 2804 wrote to memory of 2912 2804 37798198d3649f8171286118fd320fe2.exe 28 PID 2912 wrote to memory of 772 2912 InstallUtil.exe 33 PID 2912 wrote to memory of 772 2912 InstallUtil.exe 33 PID 2912 wrote to memory of 772 2912 InstallUtil.exe 33 PID 2912 wrote to memory of 772 2912 InstallUtil.exe 33 PID 2804 wrote to memory of 2452 2804 37798198d3649f8171286118fd320fe2.exe 34 PID 2804 wrote to memory of 2452 2804 37798198d3649f8171286118fd320fe2.exe 34 PID 2804 wrote to memory of 2452 2804 37798198d3649f8171286118fd320fe2.exe 34 PID 2804 wrote to memory of 2452 2804 37798198d3649f8171286118fd320fe2.exe 34 PID 2804 wrote to memory of 2452 2804 37798198d3649f8171286118fd320fe2.exe 34 PID 2804 wrote to memory of 2452 2804 37798198d3649f8171286118fd320fe2.exe 34 PID 2804 wrote to memory of 2452 2804 37798198d3649f8171286118fd320fe2.exe 34 PID 2804 wrote to memory of 2452 2804 37798198d3649f8171286118fd320fe2.exe 34 PID 2804 wrote to memory of 2452 2804 37798198d3649f8171286118fd320fe2.exe 34 PID 2804 wrote to memory of 2452 2804 37798198d3649f8171286118fd320fe2.exe 34 PID 2804 wrote to memory of 2452 2804 37798198d3649f8171286118fd320fe2.exe 34 PID 2804 wrote to memory of 2452 2804 37798198d3649f8171286118fd320fe2.exe 34 PID 2452 wrote to memory of 2032 2452 InstallUtil.exe 35 PID 2452 wrote to memory of 2032 2452 InstallUtil.exe 35 PID 2452 wrote to memory of 2032 2452 InstallUtil.exe 35 PID 2452 wrote to memory of 2032 2452 InstallUtil.exe 35 PID 2804 wrote to memory of 1064 2804 37798198d3649f8171286118fd320fe2.exe 36 PID 2804 wrote to memory of 1064 2804 37798198d3649f8171286118fd320fe2.exe 36 PID 2804 wrote to memory of 1064 2804 37798198d3649f8171286118fd320fe2.exe 36 PID 2804 wrote to memory of 1064 2804 37798198d3649f8171286118fd320fe2.exe 36 PID 2804 wrote to memory of 1064 2804 37798198d3649f8171286118fd320fe2.exe 36 PID 2804 wrote to memory of 1064 2804 37798198d3649f8171286118fd320fe2.exe 36 PID 2804 wrote to memory of 1064 2804 37798198d3649f8171286118fd320fe2.exe 36 PID 2804 wrote to memory of 1064 2804 37798198d3649f8171286118fd320fe2.exe 36 PID 2804 wrote to memory of 1064 2804 37798198d3649f8171286118fd320fe2.exe 36 PID 2804 wrote to memory of 1064 2804 37798198d3649f8171286118fd320fe2.exe 36 PID 2804 wrote to memory of 1064 2804 37798198d3649f8171286118fd320fe2.exe 36 PID 2804 wrote to memory of 1064 2804 37798198d3649f8171286118fd320fe2.exe 36 PID 1064 wrote to memory of 2764 1064 InstallUtil.exe 37 PID 1064 wrote to memory of 2764 1064 InstallUtil.exe 37 PID 1064 wrote to memory of 2764 1064 InstallUtil.exe 37 PID 1064 wrote to memory of 2764 1064 InstallUtil.exe 37 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\37798198d3649f8171286118fd320fe2.exe"C:\Users\Admin\AppData\Local\Temp\37798198d3649f8171286118fd320fe2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2920 -
C:\Users\Admin\AppData\Local\Temp\37798198d3649f8171286118fd320fe2.exe"C:\Users\Admin\AppData\Local\Temp\37798198d3649f8171286118fd320fe2.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2804 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"3⤵
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2452 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2032
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"3⤵
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1064 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2764
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"1⤵
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2912 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:772
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD573820b2ce45d7d55062d1ad78157dc34
SHA153c8f42747ff87ec5a30a23bfdbe5e6512007475
SHA256572f2a1e7a9dc9885df4d519240fa1cc7408239c8f0de829b4a842852fde2143
SHA512f0481a7cb629574ee2ba32f44c725c3b19d6c353ce193b557c37ae34c453397a755a42c2d0fad5e3dbdab51d71b08a099c7e748ea5f33b5cd3aa89d44bc9720e
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD5661acb1f6d08f35177f5d5f4c4430313
SHA1b2e5e30ecdb0871bf252601b30b57531645013cf
SHA256e3c95d38913687c96d681eea294b70d2ed7d1417302b8db80947be9a9008fee2
SHA512592af2e26db7f95a398a94cd52df97c8119ceb6e2c0d683f659ce7bd416661626fed36d32e3bf6a163e284fbca8de932fe5663f3e443d84cd0a4d3cdd7080d43
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD58a09d3631538848b8b0c9614333ad2e2
SHA18810fedeaa82d727af7385b7b72b5e84ab023743
SHA2567b4b29773d35a5575238ffc39bc73f2ad7ee25d02ddf8171e413928645398a29
SHA512eea9a03ac6561f9f241eba8e838f9959f52b5a6e52067a32f9534007af4f9cb568d2b24f243452da40d07832a36cfd49388b1080994b4cb6c4f2b0a88b779c25
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Filesize
65KB
MD5ac05d27423a85adc1622c714f2cb6184
SHA1b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA5126d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d
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Filesize
171KB
MD59c0c641c06238516f27941aa1166d427
SHA164cd549fb8cf014fcd9312aa7a5b023847b6c977
SHA2564276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
SHA512936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06
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Filesize
20KB
MD51bad0cbd09b05a21157d8255dc801778
SHA1ff284bba12f011b72e20d4c9537d6c455cdbf228
SHA256218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9
SHA5124fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533