Analysis
- max time kernel
140s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
10/09/2022, 15:12
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
6 signatures
150 seconds
General
- Target file.exe
- Size 4.2MB
- Sample220910-sk6eksacd4
- SHA256 883e12a7cd81c09838284e4dbda9caa9d8df6ac57234e14ee0ee02bb2fcc2329
- MD5 e3e72ce16d5b1a87751d483a9eeda4ea
- SHA1 c038cfb9cc489ffc3df7ae9dfd18b9f170889d34
- SHA512 7d831dfe40251def846008d48922ea6047d4f14b5e6baeffd8c75c5b6f05278137104a047f677a036736084901b60a3e6f1d62550e26ad4dec56f29b2af2163a
- SSDEEP 49152:Jas5FDPBdlJbOdjTltvyiwVLn+4FJ3CqKhawlquAb7/iO:JayPBKjrvB14FJj/iO
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 19 checkip.amazonaws.com 18 checkip.amazonaws.com - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 3588 wmic.exe Token: SeSecurityPrivilege 3588 wmic.exe Token: SeTakeOwnershipPrivilege 3588 wmic.exe Token: SeLoadDriverPrivilege 3588 wmic.exe Token: SeSystemProfilePrivilege 3588 wmic.exe Token: SeSystemtimePrivilege 3588 wmic.exe Token: SeProfSingleProcessPrivilege 3588 wmic.exe Token: SeIncBasePriorityPrivilege 3588 wmic.exe Token: SeCreatePagefilePrivilege 3588 wmic.exe Token: SeBackupPrivilege 3588 wmic.exe Token: SeRestorePrivilege 3588 wmic.exe Token: SeShutdownPrivilege 3588 wmic.exe Token: SeDebugPrivilege 3588 wmic.exe Token: SeSystemEnvironmentPrivilege 3588 wmic.exe Token: SeRemoteShutdownPrivilege 3588 wmic.exe Token: SeUndockPrivilege 3588 wmic.exe Token: SeManageVolumePrivilege 3588 wmic.exe Token: 33 3588 wmic.exe Token: 34 3588 wmic.exe Token: 35 3588 wmic.exe Token: 36 3588 wmic.exe Token: SeIncreaseQuotaPrivilege 3588 wmic.exe Token: SeSecurityPrivilege 3588 wmic.exe Token: SeTakeOwnershipPrivilege 3588 wmic.exe Token: SeLoadDriverPrivilege 3588 wmic.exe Token: SeSystemProfilePrivilege 3588 wmic.exe Token: SeSystemtimePrivilege 3588 wmic.exe Token: SeProfSingleProcessPrivilege 3588 wmic.exe Token: SeIncBasePriorityPrivilege 3588 wmic.exe Token: SeCreatePagefilePrivilege 3588 wmic.exe Token: SeBackupPrivilege 3588 wmic.exe Token: SeRestorePrivilege 3588 wmic.exe Token: SeShutdownPrivilege 3588 wmic.exe Token: SeDebugPrivilege 3588 wmic.exe Token: SeSystemEnvironmentPrivilege 3588 wmic.exe Token: SeRemoteShutdownPrivilege 3588 wmic.exe Token: SeUndockPrivilege 3588 wmic.exe Token: SeManageVolumePrivilege 3588 wmic.exe Token: 33 3588 wmic.exe Token: 34 3588 wmic.exe Token: 35 3588 wmic.exe Token: 36 3588 wmic.exe Token: SeIncreaseQuotaPrivilege 220 WMIC.exe Token: SeSecurityPrivilege 220 WMIC.exe Token: SeTakeOwnershipPrivilege 220 WMIC.exe Token: SeLoadDriverPrivilege 220 WMIC.exe Token: SeSystemProfilePrivilege 220 WMIC.exe Token: SeSystemtimePrivilege 220 WMIC.exe Token: SeProfSingleProcessPrivilege 220 WMIC.exe Token: SeIncBasePriorityPrivilege 220 WMIC.exe Token: SeCreatePagefilePrivilege 220 WMIC.exe Token: SeBackupPrivilege 220 WMIC.exe Token: SeRestorePrivilege 220 WMIC.exe Token: SeShutdownPrivilege 220 WMIC.exe Token: SeDebugPrivilege 220 WMIC.exe Token: SeSystemEnvironmentPrivilege 220 WMIC.exe Token: SeRemoteShutdownPrivilege 220 WMIC.exe Token: SeUndockPrivilege 220 WMIC.exe Token: SeManageVolumePrivilege 220 WMIC.exe Token: 33 220 WMIC.exe Token: 34 220 WMIC.exe Token: 35 220 WMIC.exe Token: 36 220 WMIC.exe Token: SeIncreaseQuotaPrivilege 220 WMIC.exe - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2092 wrote to memory of 3588 2092 file.exe 83 PID 2092 wrote to memory of 3588 2092 file.exe 83 PID 2092 wrote to memory of 3588 2092 file.exe 83 PID 2092 wrote to memory of 3600 2092 file.exe 85 PID 2092 wrote to memory of 3600 2092 file.exe 85 PID 2092 wrote to memory of 3600 2092 file.exe 85 PID 3600 wrote to memory of 220 3600 cmd.exe 87 PID 3600 wrote to memory of 220 3600 cmd.exe 87 PID 3600 wrote to memory of 220 3600 cmd.exe 87 PID 2092 wrote to memory of 3516 2092 file.exe 88 PID 2092 wrote to memory of 3516 2092 file.exe 88 PID 2092 wrote to memory of 3516 2092 file.exe 88 PID 3516 wrote to memory of 4512 3516 cmd.exe 90 PID 3516 wrote to memory of 4512 3516 cmd.exe 90 PID 3516 wrote to memory of 4512 3516 cmd.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2092 -
C:\Windows\SysWOW64\Wbem\wmic.exewmic os get Caption2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3588
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C:\Windows\SysWOW64\cmd.execmd /C "wmic path win32_VideoController get name"2⤵
- Suspicious use of WriteProcessMemory
PID:3600 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic path win32_VideoController get name3⤵
- Suspicious use of AdjustPrivilegeToken
PID:220
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C:\Windows\SysWOW64\cmd.execmd /C "wmic cpu get name"2⤵
- Suspicious use of WriteProcessMemory
PID:3516 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic cpu get name3⤵PID:4512
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