5440a5863002acacb3ddb6b1deb84945aa004ace8bd64938b681e3fe059a8a23

General

Target

Install.exe
Size

852KB
MD5

98d1321a449526557d43498027e78a63
SHA1

d8584de7e33d30a8fc792b62aa7217d44332a345
SHA256

5440a5863002acacb3ddb6b1deb84945aa004ace8bd64938b681e3fe059a8a23
SHA512

3b6f59dbd605e59152837266a3e7814af463bb2cd7c9341c99fc5445de78e2dde73c11735bd145c6ad9c6d08d2c2810155558d5e9c441ac8b69ed609562385d0

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1308	multitimer.exe
1648	multitimer.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\enterprisesec.config.cch.new	multitimer.exe
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\security.config.cch.new	multitimer.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	Install.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	Install.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1724	Install.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 1308	1724	Install.exe	29
PID 1724 wrote to memory of 1308	1724	Install.exe	29
PID 1724 wrote to memory of 1308	1724	Install.exe	29
PID 1308 wrote to memory of 1648	1308	multitimer.exe	30
PID 1308 wrote to memory of 1648	1308	multitimer.exe	30
PID 1308 wrote to memory of 1648	1308	multitimer.exe	30

C:\Users\Admin\AppData\Local\Temp\Install.exe
"C:\Users\Admin\AppData\Local\Temp\Install.exe"
1⤵
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Users\Admin\AppData\Local\Temp\FGQUJDCTMM\multitimer.exe
  "C:\Users\Admin\AppData\Local\Temp\FGQUJDCTMM\multitimer.exe" 0 3060197d33d91c80.94013368 0 101
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:1308
- - C:\Users\Admin\AppData\Local\Temp\FGQUJDCTMM\multitimer.exe
    "C:\Users\Admin\AppData\Local\Temp\FGQUJDCTMM\multitimer.exe" 1 101
    3⤵
    - Executes dropped EXE
    PID:1648

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1308-11-0x00000000009C0000-0x00000000009C2000-memory.dmp

Filesize
8KB

Download
memory/1308-9-0x000007FEF5FC0000-0x000007FEF695D000-memory.dmp

Filesize
9.6MB

Download
memory/1308-10-0x000007FEF5FC0000-0x000007FEF695D000-memory.dmp

Filesize
9.6MB

Download
memory/1648-15-0x000007FEF5FC0000-0x000007FEF695D000-memory.dmp

Filesize
9.6MB

Download
memory/1648-16-0x000007FEF5FC0000-0x000007FEF695D000-memory.dmp

Filesize
9.6MB

Download
memory/1648-18-0x0000000000AB0000-0x0000000000AB2000-memory.dmp

Filesize
8KB

Download
memory/1724-2-0x000007FEF5F70000-0x000007FEF695C000-memory.dmp

Filesize
9.9MB

Download
memory/1724-5-0x000000001B560000-0x000000001B562000-memory.dmp

Filesize
8KB

Download
memory/1724-3-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download

Analysis

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