a822048d81b2a907842eca75f2d57856ea752bd41c442b1d899b03b640ee240d

Analysis

max time kernel
162s
max time network
197s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 14:21

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General

Target

a822048d81b2a907842eca75f2d57856ea752bd41c442b1d899b03b640ee240d.exe
Size

172KB
MD5

6a3c9bf858c46682d7536fe726250109
SHA1

beb225bdc17c8c46af575ec3bf492184f6aaeb12
SHA256

a822048d81b2a907842eca75f2d57856ea752bd41c442b1d899b03b640ee240d
SHA512

99a39b9127e6319bdd10e12c9cf5380a5c8c145dd0bbaca159b0dc3c8a613d1bcf3af9a372ec522242d5cf29f0e5bfffd226d58af2f48abfbe33fb27f70a19ee
SSDEEP

3072:y9qlz7agvSTbc6fx4lq3S36kgEZaHcNuJTuMcbrFzb:hSM6fx4lN6kvZa8NGuMcv

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1656	tffohody.exe
2688	tffohody.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\healm_whiq.lnk	tffohody.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\healm_whiq.lnk	tffohody.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\PC Health Status = "C:\\Users\\Admin\\AppData\\Roaming\\tffohody.exe"	tffohody.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PC Health Status = "C:\\Users\\Admin\\AppData\\Roaming\\tffohody.exe"	tffohody.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1656	tffohody.exe
1656	tffohody.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3508 wrote to memory of 1656	3508	a822048d81b2a907842eca75f2d57856ea752bd41c442b1d899b03b640ee240d.exe	80
PID 3508 wrote to memory of 1656	3508	a822048d81b2a907842eca75f2d57856ea752bd41c442b1d899b03b640ee240d.exe	80
PID 3508 wrote to memory of 1656	3508	a822048d81b2a907842eca75f2d57856ea752bd41c442b1d899b03b640ee240d.exe	80
PID 1656 wrote to memory of 2688	1656	tffohody.exe	81
PID 1656 wrote to memory of 2688	1656	tffohody.exe	81
PID 1656 wrote to memory of 2688	1656	tffohody.exe	81

C:\Users\Admin\AppData\Local\Temp\a822048d81b2a907842eca75f2d57856ea752bd41c442b1d899b03b640ee240d.exe
"C:\Users\Admin\AppData\Local\Temp\a822048d81b2a907842eca75f2d57856ea752bd41c442b1d899b03b640ee240d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3508
- C:\Users\Admin\AppData\Roaming\tffohody.exe
  "C:\Users\Admin\AppData\Roaming\tffohody.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1656
- - C:\Users\Admin\AppData\Roaming\tffohody.exe
    "C:\Users\Admin\AppData\Roaming\tffohody.exe" FOOS
    3⤵
    - Executes dropped EXE
    PID:2688

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\tffohody.ddr

Filesize
546B

MD5
d3695926b6b615fa7d8ba051d2c5157f

SHA1
5b1225e2c0b91c7204f30bb227590c72af6c0f8b

SHA256
bbd3679d06a862a5ce1e993fff84b720dd4ee6a2a00eb71adf9ada1ffa513195

SHA512
5dc823e69760dc6a8afcf6c62ba5a71e303ea57d657e940be3464cf091910fcb9cd96ef8fab9b7ed7e55f3fa087934966863ecac5a9749f88d9a3b07cb26f59a

Download Submit
C:\Users\Admin\AppData\Roaming\tffohody.exe

Filesize
172KB

MD5
6a3c9bf858c46682d7536fe726250109

SHA1
beb225bdc17c8c46af575ec3bf492184f6aaeb12

SHA256
a822048d81b2a907842eca75f2d57856ea752bd41c442b1d899b03b640ee240d

SHA512
99a39b9127e6319bdd10e12c9cf5380a5c8c145dd0bbaca159b0dc3c8a613d1bcf3af9a372ec522242d5cf29f0e5bfffd226d58af2f48abfbe33fb27f70a19ee

Download Submit
C:\Users\Admin\AppData\Roaming\tffohody.exe

Filesize
172KB

MD5
6a3c9bf858c46682d7536fe726250109

SHA1
beb225bdc17c8c46af575ec3bf492184f6aaeb12

SHA256
a822048d81b2a907842eca75f2d57856ea752bd41c442b1d899b03b640ee240d

SHA512
99a39b9127e6319bdd10e12c9cf5380a5c8c145dd0bbaca159b0dc3c8a613d1bcf3af9a372ec522242d5cf29f0e5bfffd226d58af2f48abfbe33fb27f70a19ee

Download Submit
C:\Users\Admin\AppData\Roaming\tffohody.exe

Filesize
172KB

MD5
6a3c9bf858c46682d7536fe726250109

SHA1
beb225bdc17c8c46af575ec3bf492184f6aaeb12

SHA256
a822048d81b2a907842eca75f2d57856ea752bd41c442b1d899b03b640ee240d

SHA512
99a39b9127e6319bdd10e12c9cf5380a5c8c145dd0bbaca159b0dc3c8a613d1bcf3af9a372ec522242d5cf29f0e5bfffd226d58af2f48abfbe33fb27f70a19ee

Download Submit
memory/1656-156-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1656-147-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2688-154-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3508-138-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3508-132-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3508-137-0x0000000000710000-0x0000000000739000-memory.dmp

Filesize
164KB

Download
memory/3508-155-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3508-136-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download