8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa

Analysis

max time kernel
233s
max time network
270s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
12/10/2023, 01:38

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General

Target

8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe
Size

198KB
MD5

84d7a0535f63934a74bb793ebe1360c3
SHA1

a4a55f4a4355120e562da1043a688ed851d4bf8c
SHA256

8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa
SHA512

5f1e8be51c4761733add5b22923311c14e8e75e3b64abe7b4bd84b3ec38f62b9ee51e829e55d340ab90d81f7cb4ac36e07cda90408e84fbf0863fc635be4dfc5
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOU:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXh

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2132	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2752	tmshost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\tmshost.exe	8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe
File opened for modification	C:\Windows\Debug\tmshost.exe	8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe

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

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	tmshost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	tmshost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2760	8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 2132	2760	8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe	28
PID 2760 wrote to memory of 2132	2760	8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe	28
PID 2760 wrote to memory of 2132	2760	8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe	28
PID 2760 wrote to memory of 2132	2760	8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe	28

C:\Users\Admin\AppData\Local\Temp\8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe
"C:\Users\Admin\AppData\Local\Temp\8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2760
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\8FDFD3~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2132

C:\Windows\Debug\tmshost.exe
C:\Windows\Debug\tmshost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:2752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Debug\tmshost.exe

Filesize
198KB

MD5
18136fe2fab101276725f97ea70a23b1

SHA1
1fea3ed53b7d2ae0360dbf35c9344e6cbae4fb84

SHA256
26b013972a5dc22024b26acbd82b35783501b63d71a73e5a83d6daeb606584d8

SHA512
fc6083cfa88a711f38f28cc89c4a53ae24dcdb40e028a50c78bc25bfcec72a1d9d994d691bb51e2168503dbabca0420bec3346947c5ffeb77593497c4825f621

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C:\Windows\debug\tmshost.exe

Filesize
198KB

MD5
18136fe2fab101276725f97ea70a23b1

SHA1
1fea3ed53b7d2ae0360dbf35c9344e6cbae4fb84

SHA256
26b013972a5dc22024b26acbd82b35783501b63d71a73e5a83d6daeb606584d8

SHA512
fc6083cfa88a711f38f28cc89c4a53ae24dcdb40e028a50c78bc25bfcec72a1d9d994d691bb51e2168503dbabca0420bec3346947c5ffeb77593497c4825f621

Download Submit