41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5

General

Target

41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5.exe
Size

984KB
MD5

8433a22411da24387177f21242c3adba
SHA1

bd71f62e35962e131ce354ee7456666deb0ed861
SHA256

41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5
SHA512

ea0bb8f4e7ae9642561d4c0a5388519d9ce3664d70d1b73ad3cb43a8f028c015d4da0523b2be359afe2667bd66d0c5d04aca9186c9d5bcff0b55eb9b7ef20aaa
SSDEEP

12288:YgdLZ77GT7GmYRpuEcutuFY1hGoksq6iTZaAZaWZSZvd9ZEAPRzaO2J5KLY9QRsN:YgLGTpo9qlBAP66ZDGUKI

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1784	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
1112	41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5.exe
1112	41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5.exe
1112	41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\Start Menu\Programs\Startups\desktop.ini	41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5.exe
File opened for modification	C:\Users\Admin\Start Menu\Programs\Startups\desktop.ini	41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5.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)	\??\T:	msmm.exe
File opened (read-only)	\??\U:	msmm.exe
File opened (read-only)	\??\V:	msmm.exe
File opened (read-only)	\??\X:	msmm.exe
File opened (read-only)	\??\F:	msmm.exe
File opened (read-only)	\??\M:	msmm.exe
File opened (read-only)	\??\O:	msmm.exe
File opened (read-only)	\??\Q:	msmm.exe
File opened (read-only)	\??\R:	msmm.exe
File opened (read-only)	\??\S:	msmm.exe
File opened (read-only)	\??\Z:	msmm.exe
File opened (read-only)	\??\G:	msmm.exe
File opened (read-only)	\??\J:	msmm.exe
File opened (read-only)	\??\P:	msmm.exe
File opened (read-only)	\??\Y:	msmm.exe
File opened (read-only)	\??\I:	msmm.exe
File opened (read-only)	\??\L:	msmm.exe
File opened (read-only)	\??\N:	msmm.exe
File opened (read-only)	\??\W:	msmm.exe
File opened (read-only)	\??\E:	msmm.exe
File opened (read-only)	\??\H:	msmm.exe
File opened (read-only)	\??\K:	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	1112	41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5.exe
Token: SeSystemtimePrivilege	1112	41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5.exe
Token: SeSystemtimePrivilege	1112	41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5.exe
Token: SeSystemtimePrivilege	1112	41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5.exe
Token: SeSystemtimePrivilege	1112	41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5.exe
Token: SeSystemtimePrivilege	1112	41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5.exe
Token: SeSystemtimePrivilege	1112	41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5.exe
Token: SeSystemtimePrivilege	1112	41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5.exe
Token: SeSystemtimePrivilege	1784	msmm.exe
Token: SeSystemtimePrivilege	1784	msmm.exe
Token: SeSystemtimePrivilege	1784	msmm.exe
Token: SeSystemtimePrivilege	1784	msmm.exe
Token: SeSystemtimePrivilege	1784	msmm.exe
Token: SeSystemtimePrivilege	1784	msmm.exe
Token: SeSystemtimePrivilege	1784	msmm.exe
Token: SeSystemtimePrivilege	1784	msmm.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1112	41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5.exe
1784	msmm.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1112 wrote to memory of 1784	1112	41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5.exe	28
PID 1112 wrote to memory of 1784	1112	41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5.exe	28
PID 1112 wrote to memory of 1784	1112	41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5.exe	28
PID 1112 wrote to memory of 1784	1112	41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5.exe	28
PID 1112 wrote to memory of 1784	1112	41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5.exe	28
PID 1112 wrote to memory of 1784	1112	41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5.exe	28
PID 1112 wrote to memory of 1784	1112	41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5.exe	28

C:\Users\Admin\AppData\Local\Temp\41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5.exe
"C:\Users\Admin\AppData\Local\Temp\41a29ff7eeb9609bbca8261dc51b6467750c93032ee449ccd00c3cfdc4e702a5.exe"
1⤵
- Loads dropped DLL
- Drops desktop.ini file(s)
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1112
- 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:1784

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

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Downloads

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

Filesize
984KB

MD5
e6a9a8bed0d4d3d59420acf86cce85fb

SHA1
c4b598436f8715c73d4c7f5e79ad85df82928dec

SHA256
9c402c20fe141c6ce6fec41680efbc39758e4aa4b58198e23922b170f1fcd608

SHA512
e6bcc96c09c9632b29681786c3fe9fb7353237d218b131bb33762654da43b266172cae6d7affe5d35e5424e42f3ce7b4cf5319f4d2c768cfaf37abd5f542795f

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

Filesize
984KB

MD5
e6a9a8bed0d4d3d59420acf86cce85fb

SHA1
c4b598436f8715c73d4c7f5e79ad85df82928dec

SHA256
9c402c20fe141c6ce6fec41680efbc39758e4aa4b58198e23922b170f1fcd608

SHA512
e6bcc96c09c9632b29681786c3fe9fb7353237d218b131bb33762654da43b266172cae6d7affe5d35e5424e42f3ce7b4cf5319f4d2c768cfaf37abd5f542795f

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

Filesize
984KB

MD5
e6a9a8bed0d4d3d59420acf86cce85fb

SHA1
c4b598436f8715c73d4c7f5e79ad85df82928dec

SHA256
9c402c20fe141c6ce6fec41680efbc39758e4aa4b58198e23922b170f1fcd608

SHA512
e6bcc96c09c9632b29681786c3fe9fb7353237d218b131bb33762654da43b266172cae6d7affe5d35e5424e42f3ce7b4cf5319f4d2c768cfaf37abd5f542795f

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

Filesize
984KB

MD5
e6a9a8bed0d4d3d59420acf86cce85fb

SHA1
c4b598436f8715c73d4c7f5e79ad85df82928dec

SHA256
9c402c20fe141c6ce6fec41680efbc39758e4aa4b58198e23922b170f1fcd608

SHA512
e6bcc96c09c9632b29681786c3fe9fb7353237d218b131bb33762654da43b266172cae6d7affe5d35e5424e42f3ce7b4cf5319f4d2c768cfaf37abd5f542795f

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

Filesize
984KB

MD5
e6a9a8bed0d4d3d59420acf86cce85fb

SHA1
c4b598436f8715c73d4c7f5e79ad85df82928dec

SHA256
9c402c20fe141c6ce6fec41680efbc39758e4aa4b58198e23922b170f1fcd608

SHA512
e6bcc96c09c9632b29681786c3fe9fb7353237d218b131bb33762654da43b266172cae6d7affe5d35e5424e42f3ce7b4cf5319f4d2c768cfaf37abd5f542795f

Download Submit
memory/1112-57-0x0000000075B11000-0x0000000075B13000-memory.dmp

Filesize
8KB

Download
memory/1112-56-0x0000000000400000-0x00000000004FB000-memory.dmp

Filesize
1004KB

Download
memory/1112-67-0x0000000000400000-0x00000000004FB000-memory.dmp

Filesize
1004KB

Download
memory/1784-68-0x0000000000400000-0x00000000004FB000-memory.dmp

Filesize
1004KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads