168ba2bf1db5ac17d23865d543c5da641c1526e95025c030eaed0d96c3ebfc73

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
23-09-2023 11:20

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General

Target

2023-08-26_237239362c6c8f3dfc0ff2d30842c4d2_cryptolocker_JC.exe
Size

42KB
MD5

237239362c6c8f3dfc0ff2d30842c4d2
SHA1

fbc54e410a97c37931e985a954112f2fd9304cfd
SHA256

168ba2bf1db5ac17d23865d543c5da641c1526e95025c030eaed0d96c3ebfc73
SHA512

a3d0b6d505062e7789ed04cad6fa73daf23f3c7683aecc5bbd7081cd294a6cce1e46867afe761cfd45d8a6a42120db51b82f81a93b3f63a046726c67137a465c
SSDEEP

768:qmOKYQDf5XdrDmjr5tOOtEvwDpjAajFEitQbDmoSQCVUBJUkQqAHBIG05w:qmbhXDmjr5MOtEvwDpj5cDtKkQZQw

Score

7^/10

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-1-5-21-2890696111-2332180956-3312704074-1000\Control Panel\International\Geo\Nation	2023-08-26_237239362c6c8f3dfc0ff2d30842c4d2_cryptolocker_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
2084	asih.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 116 wrote to memory of 2084	116	2023-08-26_237239362c6c8f3dfc0ff2d30842c4d2_cryptolocker_JC.exe	86
PID 116 wrote to memory of 2084	116	2023-08-26_237239362c6c8f3dfc0ff2d30842c4d2_cryptolocker_JC.exe	86
PID 116 wrote to memory of 2084	116	2023-08-26_237239362c6c8f3dfc0ff2d30842c4d2_cryptolocker_JC.exe	86

C:\Users\Admin\AppData\Local\Temp\2023-08-26_237239362c6c8f3dfc0ff2d30842c4d2_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2023-08-26_237239362c6c8f3dfc0ff2d30842c4d2_cryptolocker_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:116
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2084

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\asih.exe

Filesize
42KB

MD5
6a2d50d7b27a7d5a3840cd7d39f159f0

SHA1
c35c1714abfd848392c8a7667b096e2c7eafd356

SHA256
9e7a4bab7585d286d98950887dbf0dc5e96acf55893997e321f751f7ac720d55

SHA512
3fca03e9f60b946470921684cb9aff40809ab5a15794ecdeb9a7fad5bc3966da40c3a5a635417fc50622608811431d6968020f7e289a1f307b47c57bc32997b7

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

Filesize
42KB

MD5
6a2d50d7b27a7d5a3840cd7d39f159f0

SHA1
c35c1714abfd848392c8a7667b096e2c7eafd356

SHA256
9e7a4bab7585d286d98950887dbf0dc5e96acf55893997e321f751f7ac720d55

SHA512
3fca03e9f60b946470921684cb9aff40809ab5a15794ecdeb9a7fad5bc3966da40c3a5a635417fc50622608811431d6968020f7e289a1f307b47c57bc32997b7

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

Filesize
42KB

MD5
6a2d50d7b27a7d5a3840cd7d39f159f0

SHA1
c35c1714abfd848392c8a7667b096e2c7eafd356

SHA256
9e7a4bab7585d286d98950887dbf0dc5e96acf55893997e321f751f7ac720d55

SHA512
3fca03e9f60b946470921684cb9aff40809ab5a15794ecdeb9a7fad5bc3966da40c3a5a635417fc50622608811431d6968020f7e289a1f307b47c57bc32997b7

Download Submit
memory/116-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/116-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/116-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/116-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/116-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2084-19-0x0000000001F70000-0x0000000001F76000-memory.dmp

Filesize
24KB

Download
memory/2084-20-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/2084-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download