831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090

General

Target

831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe
Size

286KB
MD5

979efe8b0c92a12c7672c13a1c411023
SHA1

57659c0d9c152d0f50b8b790dcbbfbb25ad2a5a0
SHA256

831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090
SHA512

d994cf62a5ba18180e5b0d8e1c43cbfa30b17816c4d0facbbdae45c96dbe5722954606941a4f0a7c97bd8492a9d653acd7dd53a64d1b52123290a58e08f0b572
SSDEEP

6144:rLtYLoU6a/4uXBRXWQMuRRR+yDPlcDV60Ls1onctlj:3iLxBOir++Pl2gonI

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2012	831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.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\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Default Key = "C:\\Users\\Admin\\AppData\\Roaming\\Default Folder\\Default File.exe"	831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Default Key = "\\Default Folder\\Default File.exe"	831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1280	PING.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1356	831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe
Token: SeDebugPrivilege	2012	831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe
Token: SeDebugPrivilege	2012	831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1356 wrote to memory of 2012	1356	831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe	84
PID 1356 wrote to memory of 2012	1356	831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe	84
PID 1356 wrote to memory of 2012	1356	831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe	84
PID 1356 wrote to memory of 4232	1356	831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe	85
PID 1356 wrote to memory of 4232	1356	831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe	85
PID 1356 wrote to memory of 4232	1356	831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe	85
PID 4232 wrote to memory of 1280	4232	cmd.exe	90
PID 4232 wrote to memory of 1280	4232	cmd.exe	90
PID 4232 wrote to memory of 1280	4232	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe
"C:\Users\Admin\AppData\Local\Temp\831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1356
- C:\Users\Admin\AppData\Local\Temp\831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090\831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe
  "C:\Users\Admin\AppData\Local\Temp\831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090\831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  PID:2012
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 1000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4232
- - C:\Windows\SysWOW64\PING.EXE
    ping 1.1.1.1 -n 1 -w 1000
    3⤵
    - Runs ping.exe
    PID:1280

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090\831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe

Filesize
286KB

MD5
979efe8b0c92a12c7672c13a1c411023

SHA1
57659c0d9c152d0f50b8b790dcbbfbb25ad2a5a0

SHA256
831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090

SHA512
d994cf62a5ba18180e5b0d8e1c43cbfa30b17816c4d0facbbdae45c96dbe5722954606941a4f0a7c97bd8492a9d653acd7dd53a64d1b52123290a58e08f0b572

Download Submit
C:\Users\Admin\AppData\Local\Temp\831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090\831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090.exe

Filesize
286KB

MD5
979efe8b0c92a12c7672c13a1c411023

SHA1
57659c0d9c152d0f50b8b790dcbbfbb25ad2a5a0

SHA256
831a090aca43ee9a8a104f5bfdedcbcd29cd97355e66f6c703889aab5c4a6090

SHA512
d994cf62a5ba18180e5b0d8e1c43cbfa30b17816c4d0facbbdae45c96dbe5722954606941a4f0a7c97bd8492a9d653acd7dd53a64d1b52123290a58e08f0b572

Download Submit
memory/1356-132-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/1356-137-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/1356-140-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/2012-136-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download

Analysis

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