ec283e7f58db98f6287fdf61e4cf65650540a917415aa88e63a3405cded81501

General

Target

2025-03-21_cb1ff66299d8cea4d00c14fabd73c657_cryptolocker.exe
Size

25KB
MD5

cb1ff66299d8cea4d00c14fabd73c657
SHA1

c074d6f60cc419466daed6d4cdc017063f31c008
SHA256

ec283e7f58db98f6287fdf61e4cf65650540a917415aa88e63a3405cded81501
SHA512

82e4fd178a8a0cfcbf66656898c5bb1cefff11433224427ea911daa9e6882a72ec335fca55d5b10ede0b6be92b2756d9548f48eb5e088fe36b9ea976ee3f8831
SSDEEP

384:2pzt9rFQeKoOz/IHKhJfV8WcU+9Qi/zz47WmeXqA:2pz3hPKFzwHgJ9H/+VXRJ

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2384	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2432	2025-03-21_cb1ff66299d8cea4d00c14fabd73c657_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_cb1ff66299d8cea4d00c14fabd73c657_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gewos.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2432	2025-03-21_cb1ff66299d8cea4d00c14fabd73c657_cryptolocker.exe
2384	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 2384	2432	2025-03-21_cb1ff66299d8cea4d00c14fabd73c657_cryptolocker.exe	30
PID 2432 wrote to memory of 2384	2432	2025-03-21_cb1ff66299d8cea4d00c14fabd73c657_cryptolocker.exe	30
PID 2432 wrote to memory of 2384	2432	2025-03-21_cb1ff66299d8cea4d00c14fabd73c657_cryptolocker.exe	30
PID 2432 wrote to memory of 2384	2432	2025-03-21_cb1ff66299d8cea4d00c14fabd73c657_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2025-03-21_cb1ff66299d8cea4d00c14fabd73c657_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-21_cb1ff66299d8cea4d00c14fabd73c657_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2432
- 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:2384

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
37a89c5e32eac64a30c56b829870d2aa

SHA1
314d52fbc21833440b061a7334f440e3f8276c9c

SHA256
768f8d2a598a8d89d29c320ba30dd7aacb5ded1fa7163af8abc628eedd5d7ac3

SHA512
28595e48770743a0874bc7588d79a2e5a4b64a78c6588134a8c04b705912b8fa1e25c573b570286aa10aad417d79034e08baf96c85da803dae160b9d74c96931

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarA5C8.tmp

Filesize
183KB

MD5
109cab5505f5e065b63d01361467a83b

SHA1
4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

SHA256
ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

SHA512
753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

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

Filesize
25KB

MD5
f4c1f243c6af00b19fcd584a9306eae0

SHA1
ad3fd810ad4ec20bf9f540f8313131634fdd6063

SHA256
f61a22fefad6e2afa381b0983196aa2f6a69e09e62b2fcd2074701c63fe552c1

SHA512
801a63764a228240fbd54435d6ff0ba941db53c1958ce87347fe65e3da023728e6763a2c0d34a9385afa5ef4ac604c82ccfc7915ac5a0ed1be571c9167ac5d6d

Download Submit
memory/2384-15-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2384-24-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2432-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2432-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2432-9-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2432-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

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