b893a74b5fd2d8ee3c23c7d0d3cc1433a6d1bc1d3ac1a5c9671696b5e29f9dc7

General

Target

b893a74b5fd2d8ee3c23c7d0d3cc1433a6d1bc1d3ac1a5c9671696b5e29f9dc7.exe
Size

303KB
MD5

0d1e2af66325bb4ef6c24874340a5e80
SHA1

e6ee16e70555bc531fe7cd2bf9ac8cdf6094b485
SHA256

b893a74b5fd2d8ee3c23c7d0d3cc1433a6d1bc1d3ac1a5c9671696b5e29f9dc7
SHA512

2b78158bb17b5281105d3421a5c1b5792e569c72eb038f3bd8b3ac9d00007e262c42c7172619f022ff678e084c58b9475aa243f52ce60e3133a86e8e90cca1c0
SSDEEP

6144:gV/JJ6AA0xM8vbMY1B6Xf2+wAn96LEo2BeT96hdzRX6Sk2LKEuSy:gFJJLAzaMv2+wAMLv2B9RX6SX2EuSy

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3800	jieqmo.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	b893a74b5fd2d8ee3c23c7d0d3cc1433a6d1bc1d3ac1a5c9671696b5e29f9dc7.exe

Loads dropped DLL 1 IoCs

pid	Process
3800	jieqmo.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	b893a74b5fd2d8ee3c23c7d0d3cc1433a6d1bc1d3ac1a5c9671696b5e29f9dc7.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
4832	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1136	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3800	jieqmo.exe
3800	jieqmo.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3800	jieqmo.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4832	taskkill.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3800	jieqmo.exe
3800	jieqmo.exe
3800	jieqmo.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
3800	jieqmo.exe
3800	jieqmo.exe
3800	jieqmo.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4540 wrote to memory of 3748	4540	b893a74b5fd2d8ee3c23c7d0d3cc1433a6d1bc1d3ac1a5c9671696b5e29f9dc7.exe	82
PID 4540 wrote to memory of 3748	4540	b893a74b5fd2d8ee3c23c7d0d3cc1433a6d1bc1d3ac1a5c9671696b5e29f9dc7.exe	82
PID 4540 wrote to memory of 3748	4540	b893a74b5fd2d8ee3c23c7d0d3cc1433a6d1bc1d3ac1a5c9671696b5e29f9dc7.exe	82
PID 3748 wrote to memory of 4832	3748	cmd.exe	84
PID 3748 wrote to memory of 4832	3748	cmd.exe	84
PID 3748 wrote to memory of 4832	3748	cmd.exe	84
PID 3748 wrote to memory of 1136	3748	cmd.exe	85
PID 3748 wrote to memory of 1136	3748	cmd.exe	85
PID 3748 wrote to memory of 1136	3748	cmd.exe	85
PID 3748 wrote to memory of 3800	3748	cmd.exe	86
PID 3748 wrote to memory of 3800	3748	cmd.exe	86
PID 3748 wrote to memory of 3800	3748	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\b893a74b5fd2d8ee3c23c7d0d3cc1433a6d1bc1d3ac1a5c9671696b5e29f9dc7.exe
"C:\Users\Admin\AppData\Local\Temp\b893a74b5fd2d8ee3c23c7d0d3cc1433a6d1bc1d3ac1a5c9671696b5e29f9dc7.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4540
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 4540 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\b893a74b5fd2d8ee3c23c7d0d3cc1433a6d1bc1d3ac1a5c9671696b5e29f9dc7.exe" & start C:\Users\Admin\AppData\Local\jieqmo.exe -f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3748
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 4540
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4832
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:1136
- - C:\Users\Admin\AppData\Local\jieqmo.exe
    C:\Users\Admin\AppData\Local\jieqmo.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:3800

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\jieqmo.exe

Filesize
303KB

MD5
0d1e2af66325bb4ef6c24874340a5e80

SHA1
e6ee16e70555bc531fe7cd2bf9ac8cdf6094b485

SHA256
b893a74b5fd2d8ee3c23c7d0d3cc1433a6d1bc1d3ac1a5c9671696b5e29f9dc7

SHA512
2b78158bb17b5281105d3421a5c1b5792e569c72eb038f3bd8b3ac9d00007e262c42c7172619f022ff678e084c58b9475aa243f52ce60e3133a86e8e90cca1c0

Download Submit
C:\Users\Admin\AppData\Local\jieqmo.exe

Filesize
303KB

MD5
0d1e2af66325bb4ef6c24874340a5e80

SHA1
e6ee16e70555bc531fe7cd2bf9ac8cdf6094b485

SHA256
b893a74b5fd2d8ee3c23c7d0d3cc1433a6d1bc1d3ac1a5c9671696b5e29f9dc7

SHA512
2b78158bb17b5281105d3421a5c1b5792e569c72eb038f3bd8b3ac9d00007e262c42c7172619f022ff678e084c58b9475aa243f52ce60e3133a86e8e90cca1c0

Download Submit
C:\Users\Admin\AppData\Local\jieqmo.exe

Filesize
303KB

MD5
0d1e2af66325bb4ef6c24874340a5e80

SHA1
e6ee16e70555bc531fe7cd2bf9ac8cdf6094b485

SHA256
b893a74b5fd2d8ee3c23c7d0d3cc1433a6d1bc1d3ac1a5c9671696b5e29f9dc7

SHA512
2b78158bb17b5281105d3421a5c1b5792e569c72eb038f3bd8b3ac9d00007e262c42c7172619f022ff678e084c58b9475aa243f52ce60e3133a86e8e90cca1c0

Download Submit
memory/3800-141-0x0000000001000000-0x0000000001104000-memory.dmp

Filesize
1.0MB

Download
memory/3800-143-0x0000000001000000-0x0000000001104000-memory.dmp

Filesize
1.0MB

Download
memory/4540-132-0x0000000001000000-0x0000000001104000-memory.dmp

Filesize
1.0MB

Download
memory/4540-134-0x0000000001000000-0x0000000001104000-memory.dmp

Filesize
1.0MB

Download

Analysis

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