ba006c7487b17390112f93a4c370f1897f6a835ea66da725ea53299557961e49

Analysis

max time kernel
21s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2022 00:23

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General

Target

ba006c7487b17390112f93a4c370f1897f6a835ea66da725ea53299557961e49.exe
Size

76KB
MD5

6694d593b990c0deab5949d3920085f0
SHA1

84bb72c1731226ec35b4a8e60ac4a9ea7f365041
SHA256

ba006c7487b17390112f93a4c370f1897f6a835ea66da725ea53299557961e49
SHA512

a2ae196180383aeea4b7817b47355b4c8088ac6bf7ec770d9eca9bde4b2a4bfe65289327e7c8acf8d5ffb6503656fdf9284afd52a5f439e2a8862686e2d79d03
SSDEEP

1536:jjiE+g0kY/l/mxEaHW4HKTpKsUTjlCfgB7:jV+gLY/l6lqpKs+sG7

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4824	couijeh.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	ba006c7487b17390112f93a4c370f1897f6a835ea66da725ea53299557961e49.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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\	couijeh.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
4824	couijeh.exe
4824	couijeh.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3684	ba006c7487b17390112f93a4c370f1897f6a835ea66da725ea53299557961e49.exe
4824	couijeh.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3684 wrote to memory of 4824	3684	ba006c7487b17390112f93a4c370f1897f6a835ea66da725ea53299557961e49.exe	90
PID 3684 wrote to memory of 4824	3684	ba006c7487b17390112f93a4c370f1897f6a835ea66da725ea53299557961e49.exe	90
PID 3684 wrote to memory of 4824	3684	ba006c7487b17390112f93a4c370f1897f6a835ea66da725ea53299557961e49.exe	90
PID 4824 wrote to memory of 3684	4824	couijeh.exe	83
PID 4824 wrote to memory of 3684	4824	couijeh.exe	83

C:\Users\Admin\AppData\Local\Temp\ba006c7487b17390112f93a4c370f1897f6a835ea66da725ea53299557961e49.exe
"C:\Users\Admin\AppData\Local\Temp\ba006c7487b17390112f93a4c370f1897f6a835ea66da725ea53299557961e49.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3684
- C:\Users\Admin\couijeh.exe
  "C:\Users\Admin\couijeh.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4824

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\couijeh.exe

Filesize
76KB

MD5
c0af6d20d0a88f78886e6dd6bde36977

SHA1
2512958da5ae87f2f048db5aa5bc2eeb9d055e57

SHA256
9fbc346595033a3a64c8a3f1169dc8c1b896fc4175a454515e25a6fa2a7c6142

SHA512
4b2b1c01703e94f39eccc26b0d26f7ebf7776e6422980be4ed77959350fe8a3e56db8a0a40113f1d40e7cec1e59ff24865432699874fd9e8b313015ec49e3bf5

Download Submit
C:\Users\Admin\couijeh.exe

Filesize
76KB

MD5
c0af6d20d0a88f78886e6dd6bde36977

SHA1
2512958da5ae87f2f048db5aa5bc2eeb9d055e57

SHA256
9fbc346595033a3a64c8a3f1169dc8c1b896fc4175a454515e25a6fa2a7c6142

SHA512
4b2b1c01703e94f39eccc26b0d26f7ebf7776e6422980be4ed77959350fe8a3e56db8a0a40113f1d40e7cec1e59ff24865432699874fd9e8b313015ec49e3bf5

Download Submit
memory/4824-134-0x0000000000000000-mapping.dmp

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