f57dab60885da9213f24b4896129182cb29ad3bd7be194685b68d61e6357188b

Analysis

max time kernel
140s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
05/10/2023, 16:48

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General

Target

3ef99fba02debc2ef81f3011f86a1372exe_JC.exe
Size

279KB
MD5

3ef99fba02debc2ef81f3011f86a1372
SHA1

5b21a1779d69466f3a69623fa64c244f6b890332
SHA256

f57dab60885da9213f24b4896129182cb29ad3bd7be194685b68d61e6357188b
SHA512

5a873f1d1342d739d0cd3d6adc5b59ef08f4a0a9cc81e10a18cc6e7c57db0c673b8520c5ae526e51340f6d17a1c870ca314fa983350b1adb9ab910ca851cd990
SSDEEP

3072:iwX3rFrz0c5qakoZLBP0xwx9bc82oO2SmQo38iC296Er621QZCjTX5ityt87hX9:X5rz35qakKp0xwXt2oOz2M57Er62Sty

Score

8^/10

Malware Config

Signatures

Downloads MZ/PE file

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-1-5-21-1141987721-3945596982-3297311814-1000\Control Panel\International\Geo\Nation	3ef99fba02debc2ef81f3011f86a1372exe_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
5088	7044704295.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1612	1920	WerFault.exe	81

Kills process with taskkill 1 IoCs

evasion

pid	Process
4664	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4664	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 4956	1920	3ef99fba02debc2ef81f3011f86a1372exe_JC.exe	100
PID 1920 wrote to memory of 4956	1920	3ef99fba02debc2ef81f3011f86a1372exe_JC.exe	100
PID 1920 wrote to memory of 4956	1920	3ef99fba02debc2ef81f3011f86a1372exe_JC.exe	100
PID 4956 wrote to memory of 5088	4956	cmd.exe	102
PID 4956 wrote to memory of 5088	4956	cmd.exe	102
PID 4956 wrote to memory of 5088	4956	cmd.exe	102
PID 1920 wrote to memory of 4872	1920	3ef99fba02debc2ef81f3011f86a1372exe_JC.exe	103
PID 1920 wrote to memory of 4872	1920	3ef99fba02debc2ef81f3011f86a1372exe_JC.exe	103
PID 1920 wrote to memory of 4872	1920	3ef99fba02debc2ef81f3011f86a1372exe_JC.exe	103
PID 4872 wrote to memory of 4664	4872	cmd.exe	107
PID 4872 wrote to memory of 4664	4872	cmd.exe	107
PID 4872 wrote to memory of 4664	4872	cmd.exe	107

C:\Users\Admin\AppData\Local\Temp\3ef99fba02debc2ef81f3011f86a1372exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\3ef99fba02debc2ef81f3011f86a1372exe_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1920
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\7044704295.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4956
- - C:\Users\Admin\AppData\Local\Temp\7044704295.exe
    "C:\Users\Admin\AppData\Local\Temp\7044704295.exe"
    3⤵
    - Executes dropped EXE
    PID:5088
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "3ef99fba02debc2ef81f3011f86a1372exe_JC.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\3ef99fba02debc2ef81f3011f86a1372exe_JC.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4872
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "3ef99fba02debc2ef81f3011f86a1372exe_JC.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4664
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1920 -s 1564
  2⤵
  - Program crash
  PID:1612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1920 -ip 1920
1⤵
PID:2568

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\7044704295.exe

Filesize
4.5MB

MD5
c77f5c3a261a1b92b9c847ee4c72c302

SHA1
a7b52f44aed191b79fb4313cb44a76febfec58c2

SHA256
da2013c9a3bdd8f73602a4920515357a38b05ddd8488022974db5560dbb3796b

SHA512
612cba02f63145de56bc1f60237bee60d496e143a7fee6b4b99506a24bc20dd87754aed324385d0e2bb92e9beda5e7dc9eecb1825074120635922c1715890e05

Download Submit
C:\Users\Admin\AppData\Local\Temp\7044704295.exe

Filesize
4.5MB

MD5
c77f5c3a261a1b92b9c847ee4c72c302

SHA1
a7b52f44aed191b79fb4313cb44a76febfec58c2

SHA256
da2013c9a3bdd8f73602a4920515357a38b05ddd8488022974db5560dbb3796b

SHA512
612cba02f63145de56bc1f60237bee60d496e143a7fee6b4b99506a24bc20dd87754aed324385d0e2bb92e9beda5e7dc9eecb1825074120635922c1715890e05

Download Submit
memory/1920-1-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/1920-2-0x00000000001C0000-0x00000000001FE000-memory.dmp

Filesize
248KB

Download
memory/1920-3-0x0000000000400000-0x00000000005BD000-memory.dmp

Filesize
1.7MB

Download
memory/1920-5-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/1920-6-0x0000000000400000-0x00000000005BD000-memory.dmp

Filesize
1.7MB

Download
memory/1920-7-0x00000000001C0000-0x00000000001FE000-memory.dmp

Filesize
248KB

Download
memory/1920-17-0x0000000000400000-0x00000000005BD000-memory.dmp

Filesize
1.7MB

Download