09b930fd43842bf205b6e4182d9044ec9213b0aba4491294080a957b073a5b2f

General

Target
09b930fd43842bf205b6e4182d9044ec9213b0aba4491294080a957b073a5b2f.exe
Size 494KB
Sample250807-nn5j8strt3
SHA256 09b930fd43842bf205b6e4182d9044ec9213b0aba4491294080a957b073a5b2f
MD5 f4064f1d50e72e0b47cdd0342aaca422
SHA1 14b3de4b9133e6e54fe61260ecac67843cb5794e
SHA512 e2b77df32e652d0f61532919189a58f258d4e3d01bbaea5ded10777222ace0cebd446b6bd0e55e229c11455154fa48d2a397aea76f240147eeaff890e45d36a6
SSDEEP 12288:fvVTj8Zv1VG/V+vuwrBazq6vO6iTt+sPZKT:H9ktVqV2Gq6vO6cttZ
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

collection discovery

Malware Config

Signatures

Detected Nirsoft tools 3 IoCs

Free utilities often used by attackers which can steal passwords, product keys, etc.

resource	yara_rule
behavioral2/memory/2088-10-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/2680-12-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/5680-14-0x0000000000400000-0x0000000000482000-memory.dmp	Nirsoft

NirSoft MailPassView 1 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/2680-12-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 1 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/5680-14-0x0000000000400000-0x0000000000482000-memory.dmp	WebBrowserPassView

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-707770698-2523217751-1187874351-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	rmclient.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4688 set thread context of 5680	4688	09b930fd43842bf205b6e4182d9044ec9213b0aba4491294080a957b073a5b2f.exe	78
PID 4688 set thread context of 2680	4688	09b930fd43842bf205b6e4182d9044ec9213b0aba4491294080a957b073a5b2f.exe	79
PID 4688 set thread context of 2088	4688	09b930fd43842bf205b6e4182d9044ec9213b0aba4491294080a957b073a5b2f.exe	81

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	09b930fd43842bf205b6e4182d9044ec9213b0aba4491294080a957b073a5b2f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rmclient.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rmclient.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rmclient.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
5680	rmclient.exe
5680	rmclient.exe
2088	rmclient.exe
2088	rmclient.exe
5680	rmclient.exe
5680	rmclient.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2088	rmclient.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4688 wrote to memory of 5680	4688	09b930fd43842bf205b6e4182d9044ec9213b0aba4491294080a957b073a5b2f.exe	78
PID 4688 wrote to memory of 5680	4688	09b930fd43842bf205b6e4182d9044ec9213b0aba4491294080a957b073a5b2f.exe	78
PID 4688 wrote to memory of 5680	4688	09b930fd43842bf205b6e4182d9044ec9213b0aba4491294080a957b073a5b2f.exe	78
PID 4688 wrote to memory of 5680	4688	09b930fd43842bf205b6e4182d9044ec9213b0aba4491294080a957b073a5b2f.exe	78
PID 4688 wrote to memory of 2680	4688	09b930fd43842bf205b6e4182d9044ec9213b0aba4491294080a957b073a5b2f.exe	79
PID 4688 wrote to memory of 2680	4688	09b930fd43842bf205b6e4182d9044ec9213b0aba4491294080a957b073a5b2f.exe	79
PID 4688 wrote to memory of 2680	4688	09b930fd43842bf205b6e4182d9044ec9213b0aba4491294080a957b073a5b2f.exe	79
PID 4688 wrote to memory of 2680	4688	09b930fd43842bf205b6e4182d9044ec9213b0aba4491294080a957b073a5b2f.exe	79
PID 4688 wrote to memory of 5936	4688	09b930fd43842bf205b6e4182d9044ec9213b0aba4491294080a957b073a5b2f.exe	80
PID 4688 wrote to memory of 5936	4688	09b930fd43842bf205b6e4182d9044ec9213b0aba4491294080a957b073a5b2f.exe	80
PID 4688 wrote to memory of 5936	4688	09b930fd43842bf205b6e4182d9044ec9213b0aba4491294080a957b073a5b2f.exe	80
PID 4688 wrote to memory of 2088	4688	09b930fd43842bf205b6e4182d9044ec9213b0aba4491294080a957b073a5b2f.exe	81
PID 4688 wrote to memory of 2088	4688	09b930fd43842bf205b6e4182d9044ec9213b0aba4491294080a957b073a5b2f.exe	81
PID 4688 wrote to memory of 2088	4688	09b930fd43842bf205b6e4182d9044ec9213b0aba4491294080a957b073a5b2f.exe	81
PID 4688 wrote to memory of 2088	4688	09b930fd43842bf205b6e4182d9044ec9213b0aba4491294080a957b073a5b2f.exe	81

C:\Users\Admin\AppData\Local\Temp\09b930fd43842bf205b6e4182d9044ec9213b0aba4491294080a957b073a5b2f.exe
"C:\Users\Admin\AppData\Local\Temp\09b930fd43842bf205b6e4182d9044ec9213b0aba4491294080a957b073a5b2f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4688
- C:\Windows\SysWOW64\rmclient.exe
  /stext "C:\Users\Admin\AppData\Local\Temp\qxov"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:5680
- C:\Windows\SysWOW64\rmclient.exe
  /stext "C:\Users\Admin\AppData\Local\Temp\brtoqeu"
  2⤵
  - Accesses Microsoft Outlook accounts
  - System Location Discovery: System Language Discovery
  PID:2680
- C:\Windows\SysWOW64\rmclient.exe
  /stext "C:\Users\Admin\AppData\Local\Temp\duhhrpffbi"
  2⤵
  PID:5936
- C:\Windows\SysWOW64\rmclient.exe
  /stext "C:\Users\Admin\AppData\Local\Temp\duhhrpffbi"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2088

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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qxov

Path C:\Users\Admin\AppData\Local\Temp\qxov
Size 2B
SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
MD5 f3b25701fe362ec84616a93a45ce9998
SHA1 d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA512 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
MD5 SHA1 SHA512

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memory/2088-5-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/2088-10-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/2680-4-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/2680-12-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/4688-16-0x0000000010000000-0x0000000010019000-memory.dmp

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memory/4688-19-0x0000000010000000-0x0000000010019000-memory.dmp

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memory/4688-20-0x0000000010000000-0x0000000010019000-memory.dmp

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memory/5680-14-0x0000000000400000-0x0000000000482000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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