4fe4cd3786436fc02a5200e5ac94e42204e1649b5c7ba6d6522775829a68f543

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/09/2024, 23:23

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General

Target

2024-09-20_1216b465aca7d1fc9ff4777af0269911_cryptolocker.exe
Size

39KB
MD5

1216b465aca7d1fc9ff4777af0269911
SHA1

5930770e258176d1a50e2860dfc44c23efbb6013
SHA256

4fe4cd3786436fc02a5200e5ac94e42204e1649b5c7ba6d6522775829a68f543
SHA512

35657b1e5f15bd05ecd63fe8cea7342409916ddc051c907a4031bf8142dd1409116d06186d36a569d8debfcd097678f11c637497c7c215e274788dbdf02dadf6
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2B94IOMHo3sxP1TR:btB9g/WItCSsAGjX7r3BPOMHoc/QQJvn

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2392	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2072	2024-09-20_1216b465aca7d1fc9ff4777af0269911_cryptolocker.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	2024-09-20_1216b465aca7d1fc9ff4777af0269911_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gewos.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2072	2024-09-20_1216b465aca7d1fc9ff4777af0269911_cryptolocker.exe
2392	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2392	2072	2024-09-20_1216b465aca7d1fc9ff4777af0269911_cryptolocker.exe	31
PID 2072 wrote to memory of 2392	2072	2024-09-20_1216b465aca7d1fc9ff4777af0269911_cryptolocker.exe	31
PID 2072 wrote to memory of 2392	2072	2024-09-20_1216b465aca7d1fc9ff4777af0269911_cryptolocker.exe	31
PID 2072 wrote to memory of 2392	2072	2024-09-20_1216b465aca7d1fc9ff4777af0269911_cryptolocker.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-09-20_1216b465aca7d1fc9ff4777af0269911_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-20_1216b465aca7d1fc9ff4777af0269911_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
40KB

MD5
20af86617fa68147aea6e3c6ca95cde7

SHA1
21b6ac24dbfc9f55f2a1d1efc37a292abbc855f3

SHA256
f0b30c3327a867384f799e5f1545111ffdb031ee06ad441e222cc251a8d467c0

SHA512
0254de4369d7b032177a32cffebe22bf3ec2d9e8cd405d6a8b62e12d125e71b150eb7039ec02734a5a6e6815f8e3270571bc581062529dd3d3ac8a9da50e9ce9

Download Submit
memory/2072-0-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/2072-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2072-8-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/2392-23-0x00000000007E0000-0x00000000007E6000-memory.dmp

Filesize
24KB

Download