efeb1f0f35c12bd55b5f03bd0d56e78ad3b32e450569a879ac323b3efe147573

Analysis

max time kernel
143s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/01/2024, 15:15

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General

Target

WarCrypter/WarCrypter.exe
Size

1.0MB
MD5

5172e42a4c37c324d1bbde19e2523614
SHA1

82ad13fa0fa289de0bc39f769ed7aff26fb5c149
SHA256

d53fa4cccfb68404f07949fa67b230697b2f3e2acec6535d8ce74ed397ef05c6
SHA512

aadf26baf1e735c55a8fe3cfe68e9053968bc529b1c4b4a70a4441e5cf85d32ed916b5934de5c312d5896d1fab37712e026a8485fe91226428e77d5fbd670697
SSDEEP

24576:3+kh6t3UREOdw3pDhmuU1ITWxLi68+fEo6VDjZCUB:3KMdwZ1mqH+SVHDB

Score

7^/10

persistence

Malware Config

Signatures

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-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation	WarCrypter.exe

Executes dropped EXE 3 IoCs

pid	Process
4760	build.exe
4444	WarCrypter.exe
3496	module.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\module = "C:\\ProgramData\\module.exe"	build.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4444	WarCrypter.exe
Token: 33	728	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	728	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4444	WarCrypter.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4120 wrote to memory of 4760	4120	WarCrypter.exe	84
PID 4120 wrote to memory of 4760	4120	WarCrypter.exe	84
PID 4120 wrote to memory of 4444	4120	WarCrypter.exe	85
PID 4120 wrote to memory of 4444	4120	WarCrypter.exe	85
PID 4120 wrote to memory of 4444	4120	WarCrypter.exe	85
PID 4760 wrote to memory of 3496	4760	build.exe	86
PID 4760 wrote to memory of 3496	4760	build.exe	86

C:\Users\Admin\AppData\Local\Temp\WarCrypter\WarCrypter.exe
"C:\Users\Admin\AppData\Local\Temp\WarCrypter\WarCrypter.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4120
- C:\Users\Admin\AppData\Local\Temp\build.exe
  "C:\Users\Admin\AppData\Local\Temp\build.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4760
- - C:\ProgramData\module.exe
    C:\ProgramData\module.exe
    3⤵
    - Executes dropped EXE
    PID:3496
- C:\Users\Admin\AppData\Local\Temp\WarCrypter.exe
  "C:\Users\Admin\AppData\Local\Temp\WarCrypter.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:4444

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x504 0x510
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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\AppData\Local\Temp\WarCrypter.exe

Filesize
447KB

MD5
09475620b2afe5f8ebd677cf669e055d

SHA1
b23ca6010b25304fc10cc47c79c12655988e207f

SHA256
db3f6147d0b91063e017783c8913c12af54238429209feb2d5e01823e1a56a59

SHA512
aab79e3359c39f5d9695387c41aba86170c7cb1162db9270d52e8f957295dc6b484b6da9d805c18343430c6e6d858c6993f2db849be4e7fd3ce37471ef9c5880

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

Filesize
904KB

MD5
7aaddd342305fab1f267243390a2d924

SHA1
dee646017cd31840bde7fcdffb5b487a1361d5d0

SHA256
24c71405384ad6a5c2c85b339b4aba3ab2914b5dfcab0c707861731b1d4ba66f

SHA512
ed7553264ba720809a3bb39ca556a1f3c21f9d3f2270f9a481986c9aa5204e35d1ccc87856f6a372cfa8d8c56b641e7e471fa406fa0172919f16a394ecf573cc

Download Submit
memory/4444-27-0x0000000074770000-0x0000000074D21000-memory.dmp

Filesize
5.7MB

Download
memory/4444-26-0x0000000074770000-0x0000000074D21000-memory.dmp

Filesize
5.7MB

Download
memory/4444-28-0x0000000000BB0000-0x0000000000BC0000-memory.dmp

Filesize
64KB

Download
memory/4444-29-0x0000000000BB0000-0x0000000000BC0000-memory.dmp

Filesize
64KB

Download
memory/4444-33-0x0000000000BB0000-0x0000000000BC0000-memory.dmp

Filesize
64KB

Download
memory/4444-34-0x0000000074770000-0x0000000074D21000-memory.dmp

Filesize
5.7MB

Download
memory/4444-35-0x0000000000BB0000-0x0000000000BC0000-memory.dmp

Filesize
64KB

Download
memory/4444-36-0x0000000000BB0000-0x0000000000BC0000-memory.dmp

Filesize
64KB

Download
memory/4444-37-0x0000000000BB0000-0x0000000000BC0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads