8e238671fa8ec435e379d5aa8759d1decb8b1b8aa4f63fbd665e8c66d6b50dc0

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 03:40

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General

Target

2024-09-19_cda658974c5cadf4a833c739b188da56_cryptolocker.exe
Size

41KB
MD5

cda658974c5cadf4a833c739b188da56
SHA1

49f17f2bfeb3439a47ca9318875a0ca9efe17632
SHA256

8e238671fa8ec435e379d5aa8759d1decb8b1b8aa4f63fbd665e8c66d6b50dc0
SHA512

27ea4bac53fdb3eaba91ad30cbf581554fcda20d43d4cffb194c1c7cee9ea0808a1ec46209755fa2c16b700b4ed05f184bf0b02bcae4b94bb3d52d83ba5e18ce
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2B94IOMHo3sxP1Tx:btB9g/WItCSsAGjX7r3BPOMHoc/QQJPH

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	2024-09-19_cda658974c5cadf4a833c739b188da56_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	gewos.exe

Executes dropped EXE 1 IoCs

pid	Process
4680	gewos.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gewos.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-19_cda658974c5cadf4a833c739b188da56_cryptolocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 4680	2544	2024-09-19_cda658974c5cadf4a833c739b188da56_cryptolocker.exe	82
PID 2544 wrote to memory of 4680	2544	2024-09-19_cda658974c5cadf4a833c739b188da56_cryptolocker.exe	82
PID 2544 wrote to memory of 4680	2544	2024-09-19_cda658974c5cadf4a833c739b188da56_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-19_cda658974c5cadf4a833c739b188da56_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_cda658974c5cadf4a833c739b188da56_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4680

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
42KB

MD5
b001ce43d5c607f9dff54f36be844241

SHA1
46fb8b72a6c1f3416f4143fc319e375a70f1c9d3

SHA256
2c9f24f3c5535a6db2dbf8a39b5232d113e7dc47c05566a7c24eec30791e90db

SHA512
f30b3733d514ac34bf224d953b46952a3243f006ac0901eef2367ea1d78ad5e12b6a0cd472ac7e255234eaa07ab7a12607e4d823ac33755c3ba6a5516e297adb

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

Filesize
184B

MD5
b76bae025c41e6d44bf7094119144f74

SHA1
92f27212be951cadb4e82c2e67489c3a7877b7f2

SHA256
349851cec4e74d1597335644eab28e56b566b5b70709f1010c19edb527b4eeeb

SHA512
cdc88640c53079d424b108a10f0e5371da9e5f2d03d6dbcdf229b0b3be5d8a8b6a260545bcd04322aed2ac997a6cd445bf203aba9125d4a3b56eff0729e532d2

Download Submit
memory/2544-0-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/2544-1-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/2544-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4680-25-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download