6e9aa15ab94d40d2d80b1703b8cbd10cb8986d540788f6d5747dfd44ed54008a

General

Target

2025-03-21_d4b8a54c0d94af3de3d658677949cbdd_cryptolocker.exe
Size

61KB
MD5

d4b8a54c0d94af3de3d658677949cbdd
SHA1

ec0a277fe004f66ede4f57f7fa5d880f01a0b5a9
SHA256

6e9aa15ab94d40d2d80b1703b8cbd10cb8986d540788f6d5747dfd44ed54008a
SHA512

d7d79c1e26be3d7ba2bbb051ca152a36fbec62d5193dda22e3747b3563ee9d2b79960708723d9071a227766e755ab2be5172e6bf9140c2e5f09dd1b074d9b625
SSDEEP

768:bYv9g/WItCSsAGmXWhaI9cZnIe9N0hunrknljKrCY19:bYv9g/xtCSDx6A7f1rksrx19

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2780	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2160	2025-03-21_d4b8a54c0d94af3de3d658677949cbdd_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	2025-03-21_d4b8a54c0d94af3de3d658677949cbdd_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gewos.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2160	2025-03-21_d4b8a54c0d94af3de3d658677949cbdd_cryptolocker.exe
2780	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 2780	2160	2025-03-21_d4b8a54c0d94af3de3d658677949cbdd_cryptolocker.exe	30
PID 2160 wrote to memory of 2780	2160	2025-03-21_d4b8a54c0d94af3de3d658677949cbdd_cryptolocker.exe	30
PID 2160 wrote to memory of 2780	2160	2025-03-21_d4b8a54c0d94af3de3d658677949cbdd_cryptolocker.exe	30
PID 2160 wrote to memory of 2780	2160	2025-03-21_d4b8a54c0d94af3de3d658677949cbdd_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2025-03-21_d4b8a54c0d94af3de3d658677949cbdd_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-21_d4b8a54c0d94af3de3d658677949cbdd_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2160
- 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:2780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
71KB

MD5
83142242e97b8953c386f988aa694e4a

SHA1
833ed12fc15b356136dcdd27c61a50f59c5c7d50

SHA256
d72761e1a334a754ce8250e3af7ea4bf25301040929fd88cf9e50b4a9197d755

SHA512
bb6da177bd16d163f377d9b4c63f6d535804137887684c113cc2f643ceab4f34338c06b5a29213c23d375e95d22ef417eac928822dfb3688ce9e2de9d5242d10

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C0818D6C839FFFA99AF7D6971537495F

Filesize
1KB

MD5
4fdd07e4d42264391e0c3742ead1c6ae

SHA1
8094640eb5a7a1ca119c1fddd59f810263a7fbd1

SHA256
2cabeafe37d06ca22aba7391c0033d25982952c453647349763a3ab5ad6ccf69

SHA512
626261dcc0001d3bf73f9bd041067c78cbd19337c9dfcb2fb0854f24015efa662a7441dc5389de7c1ca4f464b44bf99b6df710661a9a8902ad907ee231dba74a

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C0818D6C839FFFA99AF7D6971537495F

Filesize
242B

MD5
019c5264f8eeef8b43594ca79d61962a

SHA1
ec8fc1403bd9e9ff57a85233b4889f0cfafd4e54

SHA256
130256892e4407efcde6841605d776668e969b98f92cadd724068d1d205e62f8

SHA512
2ae4162d16a9e6c7f9c673cb5bf65cc9a3d462ac499caa886181262bf8e0499678e728904226787362b59ce4de4118a5f57f8e3eaaa7f520a1671ca4c972c639

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar12BD.tmp

Filesize
183KB

MD5
109cab5505f5e065b63d01361467a83b

SHA1
4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

SHA256
ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

SHA512
753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

Download Submit
\Users\Admin\AppData\Local\Temp\gewos.exe

Filesize
61KB

MD5
10e3ddff0e8aad30722d8efe63a3ae12

SHA1
79588b76034c6f7ffa8185f5aebefa22ca4c1292

SHA256
74ce8d70205bf057082c699ba4eba6bdb7e97b8c1a10f6a590d3b69c599731e1

SHA512
9eda31bf771a11f35c043aae54544472358f4dc8c1349008b3bb721b6714f8b3e8502066394c8cd9fcdd9dc36462002c65091d53acfa0ffb4e5e1720935ce406

Download Submit
memory/2160-0-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/2160-1-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/2160-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2780-16-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download

Analysis

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