e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4

General

Target

e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4.exe
Size

860KB
MD5

a18ae764514efd206b779bdc7c522b6c
SHA1

c24273454e7d1ab4162d78c64c73b77155caa37f
SHA256

e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4
SHA512

8f95712b9ae2243f945c1f570de140fbdf1d9ddc10468973010eabe1a179b3c4c2aa8d23f0798a0239e7bf04d614c4935b884e0c2a8fa76a50c0a68b83582ce5
SSDEEP

12288:4gdLZ77GT7GmYRpuEcutuFY1hGoksq6iTZaAZaWZSZvd9ZEAPRzaO2J5KLY9QRsf:4gLGTpo9qlBAP66ZDGUC

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1624	msmm.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	msmm.exe

Loads dropped DLL 3 IoCs

pid	Process
1000	e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4.exe
1000	e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4.exe
1000	e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Start Menu\Programs\Startups\desktop.ini	e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4.exe
File created	C:\Users\Admin\Start Menu\Programs\Startups\desktop.ini	e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\L:	msmm.exe
File opened (read-only)	\??\P:	msmm.exe
File opened (read-only)	\??\Q:	msmm.exe
File opened (read-only)	\??\S:	msmm.exe
File opened (read-only)	\??\V:	msmm.exe
File opened (read-only)	\??\M:	msmm.exe
File opened (read-only)	\??\N:	msmm.exe
File opened (read-only)	\??\R:	msmm.exe
File opened (read-only)	\??\Y:	msmm.exe
File opened (read-only)	\??\Z:	msmm.exe
File opened (read-only)	\??\E:	msmm.exe
File opened (read-only)	\??\F:	msmm.exe
File opened (read-only)	\??\I:	msmm.exe
File opened (read-only)	\??\K:	msmm.exe
File opened (read-only)	\??\U:	msmm.exe
File opened (read-only)	\??\G:	msmm.exe
File opened (read-only)	\??\H:	msmm.exe
File opened (read-only)	\??\J:	msmm.exe
File opened (read-only)	\??\O:	msmm.exe
File opened (read-only)	\??\T:	msmm.exe
File opened (read-only)	\??\W:	msmm.exe
File opened (read-only)	\??\X:	msmm.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	msmm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	msmm.exe

Suspicious use of AdjustPrivilegeToken 16 IoCs

description	pid	Process
Token: SeSystemtimePrivilege	1000	e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4.exe
Token: SeSystemtimePrivilege	1000	e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4.exe
Token: SeSystemtimePrivilege	1000	e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4.exe
Token: SeSystemtimePrivilege	1000	e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4.exe
Token: SeSystemtimePrivilege	1000	e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4.exe
Token: SeSystemtimePrivilege	1000	e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4.exe
Token: SeSystemtimePrivilege	1000	e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4.exe
Token: SeSystemtimePrivilege	1000	e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4.exe
Token: SeSystemtimePrivilege	1624	msmm.exe
Token: SeSystemtimePrivilege	1624	msmm.exe
Token: SeSystemtimePrivilege	1624	msmm.exe
Token: SeSystemtimePrivilege	1624	msmm.exe
Token: SeSystemtimePrivilege	1624	msmm.exe
Token: SeSystemtimePrivilege	1624	msmm.exe
Token: SeSystemtimePrivilege	1624	msmm.exe
Token: SeSystemtimePrivilege	1624	msmm.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1000	e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4.exe
1624	msmm.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1000 wrote to memory of 1624	1000	e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4.exe	27
PID 1000 wrote to memory of 1624	1000	e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4.exe	27
PID 1000 wrote to memory of 1624	1000	e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4.exe	27
PID 1000 wrote to memory of 1624	1000	e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4.exe	27
PID 1000 wrote to memory of 1624	1000	e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4.exe	27
PID 1000 wrote to memory of 1624	1000	e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4.exe	27
PID 1000 wrote to memory of 1624	1000	e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4.exe	27

C:\Users\Admin\AppData\Local\Temp\e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4.exe
"C:\Users\Admin\AppData\Local\Temp\e9df3f83ba7ced62c6646240c0f810d4d0d1c48c2294ee5397c8082f7e1994e4.exe"
1⤵
- Loads dropped DLL
- Drops desktop.ini file(s)
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1000
- C:\Users\Admin\Wins7\msmm.exe
  C:\Users\Admin\Wins7\msmm.exe /p
  2⤵
  - Executes dropped EXE
  - Checks BIOS information in registry
  - Enumerates connected drives
  - Checks processor information in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1624

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

4

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\Wins7\msmm.exe

Filesize
860KB

MD5
68bc9be088e8d0fa9dd1fb296aa3a227

SHA1
0996e4c62d3bc6b72969b8ceff5bd1e9a1de4476

SHA256
b80659bf1d1c38bc0687f2b8196861f5919299e9a451d58d76bbc3edb4723eb4

SHA512
ade941dca44885d5d11397a19515a9ab408317a7827ae4bf32d23e9bf8e789238260580be70a45f1985a1429fceb1a227f5cde366c02a706acc75bb25f3ec063

Download Submit
C:\Users\Admin\Wins7\msmm.exe

Filesize
860KB

MD5
68bc9be088e8d0fa9dd1fb296aa3a227

SHA1
0996e4c62d3bc6b72969b8ceff5bd1e9a1de4476

SHA256
b80659bf1d1c38bc0687f2b8196861f5919299e9a451d58d76bbc3edb4723eb4

SHA512
ade941dca44885d5d11397a19515a9ab408317a7827ae4bf32d23e9bf8e789238260580be70a45f1985a1429fceb1a227f5cde366c02a706acc75bb25f3ec063

Download Submit
\Users\Admin\Wins7\msmm.exe

Filesize
860KB

MD5
68bc9be088e8d0fa9dd1fb296aa3a227

SHA1
0996e4c62d3bc6b72969b8ceff5bd1e9a1de4476

SHA256
b80659bf1d1c38bc0687f2b8196861f5919299e9a451d58d76bbc3edb4723eb4

SHA512
ade941dca44885d5d11397a19515a9ab408317a7827ae4bf32d23e9bf8e789238260580be70a45f1985a1429fceb1a227f5cde366c02a706acc75bb25f3ec063

Download Submit
\Users\Admin\Wins7\msmm.exe

Filesize
860KB

MD5
68bc9be088e8d0fa9dd1fb296aa3a227

SHA1
0996e4c62d3bc6b72969b8ceff5bd1e9a1de4476

SHA256
b80659bf1d1c38bc0687f2b8196861f5919299e9a451d58d76bbc3edb4723eb4

SHA512
ade941dca44885d5d11397a19515a9ab408317a7827ae4bf32d23e9bf8e789238260580be70a45f1985a1429fceb1a227f5cde366c02a706acc75bb25f3ec063

Download Submit
\Users\Admin\Wins7\msmm.exe

Filesize
860KB

MD5
68bc9be088e8d0fa9dd1fb296aa3a227

SHA1
0996e4c62d3bc6b72969b8ceff5bd1e9a1de4476

SHA256
b80659bf1d1c38bc0687f2b8196861f5919299e9a451d58d76bbc3edb4723eb4

SHA512
ade941dca44885d5d11397a19515a9ab408317a7827ae4bf32d23e9bf8e789238260580be70a45f1985a1429fceb1a227f5cde366c02a706acc75bb25f3ec063

Download Submit
memory/1000-56-0x0000000076561000-0x0000000076563000-memory.dmp

Filesize
8KB

Download
memory/1000-66-0x0000000000400000-0x00000000004E7000-memory.dmp

Filesize
924KB

Download
memory/1000-68-0x0000000000400000-0x00000000004E7000-memory.dmp

Filesize
924KB

Download
memory/1624-67-0x0000000000400000-0x00000000004E7000-memory.dmp

Filesize
924KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads