Analysis
-
max time kernel
151s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-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
-
Target
37798198d3649f8171286118fd320fe2.exe
-
Size
2.7MB
-
MD5
37798198d3649f8171286118fd320fe2
-
SHA1
e4d54a7c1dec833f20a6ff922388bac3b0a8546f
-
SHA256
04e942767c6c9744ef7eb6d3cc342239b8feaacd4df3c5e542b85177c0fbd97f
-
SHA512
04f6b778a1920686a8c831be6a827df8997c70b5f2148470142748388d8719f78c553ca462000323bc96c9dc0443addaed636687743ed6df159bab3e90e45838
-
SSDEEP
12288:lmsZymTeEa4vxX8Y4psEDM44IR//XjlYFq1XIJrgjawytjSu76nPK91s38NOu6Nb:ol
Malware Config
Signatures
-
A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
-
Detect ZGRat V1 1 IoCs
resource yara_rule behavioral2/memory/4572-7-0x0000000002AD0000-0x0000000002AE6000-memory.dmp family_zgrat_v1 -
StormKitty
StormKitty is an open source info stealer written in C#.
-
StormKitty payload 2 IoCs
resource yara_rule behavioral2/memory/3268-14-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral2/memory/3552-33-0x0000000001040000-0x0000000001050000-memory.dmp family_stormkitty -
A310logger Executable 4 IoCs
resource yara_rule behavioral2/memory/3268-14-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral2/memory/3552-33-0x0000000001040000-0x0000000001050000-memory.dmp a310logger behavioral2/files/0x0007000000023350-38.dat a310logger behavioral2/memory/4272-46-0x0000000001400000-0x0000000001410000-memory.dmp a310logger -
Executes dropped EXE 1 IoCs
pid Process 4272 MZ.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.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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 130 icanhazip.com -
Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
-
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 4572 set thread context of 2456 4572 37798198d3649f8171286118fd320fe2.exe 93 PID 2456 set thread context of 3268 2456 37798198d3649f8171286118fd320fe2.exe 95 PID 2456 set thread context of 3552 2456 37798198d3649f8171286118fd320fe2.exe 106 PID 2456 set thread context of 692 2456 37798198d3649f8171286118fd320fe2.exe 108 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Program crash 1 IoCs
pid pid_target Process procid_target 4228 692 WerFault.exe 108 -
Checks processor information in registry 2 TTPs 5 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 dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dw20.exe Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 InstallUtil.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dw20.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4272 MZ.exe 4272 MZ.exe 4272 MZ.exe 4272 MZ.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2456 37798198d3649f8171286118fd320fe2.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeRestorePrivilege 216 dw20.exe Token: SeBackupPrivilege 216 dw20.exe Token: SeBackupPrivilege 216 dw20.exe Token: SeBackupPrivilege 216 dw20.exe Token: SeDebugPrivilege 3552 InstallUtil.exe Token: SeDebugPrivilege 4272 MZ.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2456 37798198d3649f8171286118fd320fe2.exe 2456 37798198d3649f8171286118fd320fe2.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 4572 wrote to memory of 2456 4572 37798198d3649f8171286118fd320fe2.exe 93 PID 4572 wrote to memory of 2456 4572 37798198d3649f8171286118fd320fe2.exe 93 PID 4572 wrote to memory of 2456 4572 37798198d3649f8171286118fd320fe2.exe 93 PID 4572 wrote to memory of 2456 4572 37798198d3649f8171286118fd320fe2.exe 93 PID 4572 wrote to memory of 2456 4572 37798198d3649f8171286118fd320fe2.exe 93 PID 4572 wrote to memory of 2456 4572 37798198d3649f8171286118fd320fe2.exe 93 PID 4572 wrote to memory of 2456 4572 37798198d3649f8171286118fd320fe2.exe 93 PID 4572 wrote to memory of 2456 4572 37798198d3649f8171286118fd320fe2.exe 93 PID 2456 wrote to memory of 3268 2456 37798198d3649f8171286118fd320fe2.exe 95 PID 2456 wrote to memory of 3268 2456 37798198d3649f8171286118fd320fe2.exe 95 PID 2456 wrote to memory of 3268 2456 37798198d3649f8171286118fd320fe2.exe 95 PID 2456 wrote to memory of 3268 2456 37798198d3649f8171286118fd320fe2.exe 95 PID 2456 wrote to memory of 3268 2456 37798198d3649f8171286118fd320fe2.exe 95 PID 2456 wrote to memory of 3268 2456 37798198d3649f8171286118fd320fe2.exe 95 PID 2456 wrote to memory of 3268 2456 37798198d3649f8171286118fd320fe2.exe 95 PID 2456 wrote to memory of 3268 2456 37798198d3649f8171286118fd320fe2.exe 95 PID 3268 wrote to memory of 216 3268 InstallUtil.exe 96 PID 3268 wrote to memory of 216 3268 InstallUtil.exe 96 PID 3268 wrote to memory of 216 3268 InstallUtil.exe 96 PID 2456 wrote to memory of 3552 2456 37798198d3649f8171286118fd320fe2.exe 106 PID 2456 wrote to memory of 3552 2456 37798198d3649f8171286118fd320fe2.exe 106 PID 2456 wrote to memory of 3552 2456 37798198d3649f8171286118fd320fe2.exe 106 PID 2456 wrote to memory of 3552 2456 37798198d3649f8171286118fd320fe2.exe 106 PID 2456 wrote to memory of 3552 2456 37798198d3649f8171286118fd320fe2.exe 106 PID 2456 wrote to memory of 3552 2456 37798198d3649f8171286118fd320fe2.exe 106 PID 2456 wrote to memory of 3552 2456 37798198d3649f8171286118fd320fe2.exe 106 PID 2456 wrote to memory of 3552 2456 37798198d3649f8171286118fd320fe2.exe 106 PID 3552 wrote to memory of 4272 3552 InstallUtil.exe 107 PID 3552 wrote to memory of 4272 3552 InstallUtil.exe 107 PID 2456 wrote to memory of 692 2456 37798198d3649f8171286118fd320fe2.exe 108 PID 2456 wrote to memory of 692 2456 37798198d3649f8171286118fd320fe2.exe 108 PID 2456 wrote to memory of 692 2456 37798198d3649f8171286118fd320fe2.exe 108 PID 2456 wrote to memory of 692 2456 37798198d3649f8171286118fd320fe2.exe 108 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
-
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:4572 -
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:2456 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"3⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of WriteProcessMemory
PID:3268 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 4724⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:216
-
-
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"3⤵
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:3552 -
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:4272
-
-
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"3⤵PID:692
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 692 -s 804⤵
- Program crash
PID:4228
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 692 -ip 6921⤵PID:3412
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
20KB
MD51bad0cbd09b05a21157d8255dc801778
SHA1ff284bba12f011b72e20d4c9537d6c455cdbf228
SHA256218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9
SHA5124fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533