Analysis
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max time kernel
76s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
07/05/2023, 01:13
Static task
static1
Behavioral task
behavioral1
Sample
9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe
Resource
win10v2004-20230220-en
General
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Target
9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe
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Size
691KB
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MD5
2ff4d870cb02831c65b73f1d0205ce09
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SHA1
4ec739c65bc70acd3cbcbddc249630e77754acc5
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SHA256
9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f
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SHA512
3b8190b413a8969bb8377f5918f2d2e4f4d096440be54f2bd6a7b4918e9e88656716b57b4d5ac8bcef7eb5ff39ea7d9e5e21b6e8581eb44ef56132da45ff7aa6
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SSDEEP
12288:5c77oMdswXyP1+k9fR4fG0KmuV1By7o/7EK+jQvCiy0zhW:OkkfbuGc/78QvCi
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot5435719278:AAFkA_rGsUomupSCBqIPHcOBw0iPF0KuOG0/sendMessage?chat_id=5666881718
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 5 IoCs
resource yara_rule behavioral1/memory/796-65-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/796-66-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/796-68-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/796-70-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/796-72-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
StormKitty
StormKitty is an open source info stealer written in C#.
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StormKitty payload 5 IoCs
resource yara_rule behavioral1/memory/796-65-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty behavioral1/memory/796-66-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty behavioral1/memory/796-68-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty behavioral1/memory/796-70-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty behavioral1/memory/796-72-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty -
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 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.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 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 748 set thread context of 796 748 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 28 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1480 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 748 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 796 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 796 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 748 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe Token: SeDebugPrivilege 796 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 748 wrote to memory of 1480 748 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 26 PID 748 wrote to memory of 1480 748 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 26 PID 748 wrote to memory of 1480 748 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 26 PID 748 wrote to memory of 1480 748 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 26 PID 748 wrote to memory of 796 748 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 28 PID 748 wrote to memory of 796 748 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 28 PID 748 wrote to memory of 796 748 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 28 PID 748 wrote to memory of 796 748 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 28 PID 748 wrote to memory of 796 748 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 28 PID 748 wrote to memory of 796 748 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 28 PID 748 wrote to memory of 796 748 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 28 PID 748 wrote to memory of 796 748 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 28 PID 748 wrote to memory of 796 748 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe 28 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe"C:\Users\Admin\AppData\Local\Temp\9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:748 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uSOBUcBSYSz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE8CA.tmp"2⤵
- Creates scheduled task(s)
PID:1480
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C:\Users\Admin\AppData\Local\Temp\9a97d9127c4f8158ec393f7e0c47bd056fe6eee6c76c05600dd0c219d1de405f.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:796
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5e641e332d42707123f0a46937388dc07
SHA10776e02375a4995888469fd563623043b01ba341
SHA256a575d1ff9d17ddee0a7b72bda3594d9c1c69b6e00ed5ae148654fa074e0f1ffe
SHA51231b8977a949af6d35ab0e07df5ebc90c52e32d80fbce9cbd73d32a287846e1e90ba006755a00263d2b1af576498464329fdf0bda2a0f249e1babd67f5c462097