a914feb849114b198f068f0309172defadabc8aa5042dadc41ef7b095771f7d5

Resubmissions

03-09-2024 13:58

240903-q9w64azdke 10

02-09-2024 15:07

240902-shlbmatfkg 10

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02-09-2024 15:07

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General

Target

OsussistInstaller.exe
Size

1.6MB
MD5

192846aab90044b00521f2ba4e99ee03
SHA1

14b8bb92ce9d4046c3b66dc252cfb15fd7070576
SHA256

a914feb849114b198f068f0309172defadabc8aa5042dadc41ef7b095771f7d5
SHA512

119ee834aa21e3c4460b0830d09ffbb1ee4cd1df1692d5324f66dfad5e327d953d82f93ae70b36a2286c6024c012a1ed8e0ebafabc9b31ad696ee7ffa0ee2a08
SSDEEP

24576:jTQcPTAcySiDNpfVkqgfPyU8/oa8reuaDQkqjVnlqud+/2P+AH:H70nS4pfVkqgy6r3askqXfd+/9A

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2916	2644	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 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	OsussistInstaller.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2644	OsussistInstaller.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2916	2644	OsussistInstaller.exe	31
PID 2644 wrote to memory of 2916	2644	OsussistInstaller.exe	31
PID 2644 wrote to memory of 2916	2644	OsussistInstaller.exe	31
PID 2644 wrote to memory of 2916	2644	OsussistInstaller.exe	31

C:\Users\Admin\AppData\Local\Temp\OsussistInstaller.exe
"C:\Users\Admin\AppData\Local\Temp\OsussistInstaller.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2644 -s 1084
  2⤵
  - Program crash
  PID:2916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2644-0-0x00000000741CE000-0x00000000741CF000-memory.dmp

Filesize
4KB

Download
memory/2644-1-0x0000000000FD0000-0x000000000116C000-memory.dmp

Filesize
1.6MB

Download
memory/2644-2-0x00000000741C0000-0x00000000748AE000-memory.dmp

Filesize
6.9MB

Download
memory/2644-3-0x00000000741CE000-0x00000000741CF000-memory.dmp

Filesize
4KB

Download
memory/2644-4-0x00000000741C0000-0x00000000748AE000-memory.dmp

Filesize
6.9MB

Download