8531ee2f309c1a45d9d1d468d5e846c08c8de5744ea6261af07e4b9335df234e

Analysis

max time kernel
5s
max time network
31s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
05-12-2022 17:29

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General

Target

8531ee2f309c1a45d9d1d468d5e846c08c8de5744ea6261af07e4b9335df234e.exe
Size

725KB
MD5

66f2b42bd115890ac3472a66896f3e07
SHA1

6d9f67028a8f1d38475c287aa1eebfd80ac19117
SHA256

8531ee2f309c1a45d9d1d468d5e846c08c8de5744ea6261af07e4b9335df234e
SHA512

f986c143a7acccab45dbdb7947e2c6f8d71f75414cb79444461ae7357e8907d817cbe38fa3a616eba343e9a1034e1534992ba07daafe9246dd43635384696e80
SSDEEP

12288:DrBUs/omQeiizTxuNJrz+YD5NyFawlb89s4glRYEjpLDRMMVRMMfRMMuRMMolauJ:DUezPAXrz+YDOFhb89klFLDRMMVRMMfV

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\IME_JPUpdate1.3 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\8531ee2f309c1a45d9d1d468d5e846c08c8de5744ea6261af07e4b9335df234e.bat\""	reg.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1108 wrote to memory of 1220	1108	8531ee2f309c1a45d9d1d468d5e846c08c8de5744ea6261af07e4b9335df234e.exe	28
PID 1108 wrote to memory of 1220	1108	8531ee2f309c1a45d9d1d468d5e846c08c8de5744ea6261af07e4b9335df234e.exe	28
PID 1108 wrote to memory of 1220	1108	8531ee2f309c1a45d9d1d468d5e846c08c8de5744ea6261af07e4b9335df234e.exe	28
PID 1108 wrote to memory of 1220	1108	8531ee2f309c1a45d9d1d468d5e846c08c8de5744ea6261af07e4b9335df234e.exe	28

C:\Users\Admin\AppData\Local\Temp\8531ee2f309c1a45d9d1d468d5e846c08c8de5744ea6261af07e4b9335df234e.exe
"C:\Users\Admin\AppData\Local\Temp\8531ee2f309c1a45d9d1d468d5e846c08c8de5744ea6261af07e4b9335df234e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1108
- C:\Windows\SysWOW64\reg.exe
  reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v IME_JPUpdate1.3 /d "\"C:\Users\Admin\AppData\Local\Temp\8531ee2f309c1a45d9d1d468d5e846c08c8de5744ea6261af07e4b9335df234e.bat\"" /f
  2⤵
  - Adds Run key to start application
  PID:1220

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

memory/1108-54-0x00000000767F1000-0x00000000767F3000-memory.dmp

Filesize
8KB

Download
memory/1220-55-0x0000000000000000-mapping.dmp

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