c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888

General

Target

c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe
Size

1.6MB
MD5

c5845949f95c5b713b9a76d5211c835f
SHA1

71c49204f8666bd2d54daf8bd0eabe0a4b145de7
SHA256

c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888
SHA512

35efa487ab280bb1a1e364f2a62c71ea37137a079df4b1c204acaa3e9706e13ae5d07065182fe71118152edb96ba0fe7424c0ad705c2f0341754f6b8c6549bad
SSDEEP

24576:W+zHdFeYR0iGkwFgc6BQSmtl0UrQbchemdY2GDMCbItNWf:WgW0AYySY0A3dYDA1tNWf

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2400	copyc88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\windows\CurrentVersion\Run	c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\TimeHint = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe"	c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3832	c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe
3832	c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe
3832	c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe
3832	c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe
3832	c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe
3832	c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2400	copyc88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe
2400	copyc88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe
3832	c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe
3832	c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3832 wrote to memory of 2400	3832	c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe	80
PID 3832 wrote to memory of 2400	3832	c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe	80
PID 3832 wrote to memory of 2400	3832	c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe	80
PID 3832 wrote to memory of 4592	3832	c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe	85
PID 3832 wrote to memory of 4592	3832	c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe	85
PID 3832 wrote to memory of 4592	3832	c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe	85
PID 2884 wrote to memory of 540	2884	explorer.exe	88
PID 2884 wrote to memory of 540	2884	explorer.exe	88

C:\Users\Admin\AppData\Local\Temp\c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe
"C:\Users\Admin\AppData\Local\Temp\c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3832
- C:\Users\Admin\AppData\Local\Temp\copyc88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe
  "C:\Users\Admin\AppData\Local\Temp\copyc88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe" C:\Users\Admin\AppData\Local\Temp\copyc88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2400
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\System32\explorer.exe" http://jc.110160.com/ad.htm
  2⤵
  PID:4592

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://jc.110160.com/ad.htm
  2⤵
  PID:540

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\Local\Temp\copyc88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe

Filesize
1.6MB

MD5
c5845949f95c5b713b9a76d5211c835f

SHA1
71c49204f8666bd2d54daf8bd0eabe0a4b145de7

SHA256
c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888

SHA512
35efa487ab280bb1a1e364f2a62c71ea37137a079df4b1c204acaa3e9706e13ae5d07065182fe71118152edb96ba0fe7424c0ad705c2f0341754f6b8c6549bad

Download Submit
C:\Users\Admin\AppData\Local\Temp\copyc88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888.exe

Filesize
1.6MB

MD5
c5845949f95c5b713b9a76d5211c835f

SHA1
71c49204f8666bd2d54daf8bd0eabe0a4b145de7

SHA256
c88d9f626900863fb95cced727ec8d203537f1744242f482c6024750185e5888

SHA512
35efa487ab280bb1a1e364f2a62c71ea37137a079df4b1c204acaa3e9706e13ae5d07065182fe71118152edb96ba0fe7424c0ad705c2f0341754f6b8c6549bad

Download Submit

Analysis

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