a875b37040f21491a8d65e49f92a156b13f1d14e6c601f79d18188debadcdc5d

General

Target

2025-03-21_c27dcd15aedc2d37e074bd56575625c1_cryptolocker.exe
Size

61KB
MD5

c27dcd15aedc2d37e074bd56575625c1
SHA1

cdbfba65bf8443781f7422440c2bdc80ca725940
SHA256

a875b37040f21491a8d65e49f92a156b13f1d14e6c601f79d18188debadcdc5d
SHA512

b7b17daefeb321db69e0bb277225b23f2d42abc9f2c6e06e633643a60cba18469544c18ee237b9357580c12a8560f4d9c735098eea01f4fc9087881693eb1400
SSDEEP

768:bYv9g/WItCSsAGmXWhaI9cZnIe9N0hunrknljKrCY1a:bYv9g/xtCSDx6A7f1rksrx1a

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2668	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2808	2025-03-21_c27dcd15aedc2d37e074bd56575625c1_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_c27dcd15aedc2d37e074bd56575625c1_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gewos.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2808	2025-03-21_c27dcd15aedc2d37e074bd56575625c1_cryptolocker.exe
2668	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2668	2808	2025-03-21_c27dcd15aedc2d37e074bd56575625c1_cryptolocker.exe	30
PID 2808 wrote to memory of 2668	2808	2025-03-21_c27dcd15aedc2d37e074bd56575625c1_cryptolocker.exe	30
PID 2808 wrote to memory of 2668	2808	2025-03-21_c27dcd15aedc2d37e074bd56575625c1_cryptolocker.exe	30
PID 2808 wrote to memory of 2668	2808	2025-03-21_c27dcd15aedc2d37e074bd56575625c1_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2025-03-21_c27dcd15aedc2d37e074bd56575625c1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-21_c27dcd15aedc2d37e074bd56575625c1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2808
- 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:2668

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
58c6dff7c254037467999877c4139d81

SHA1
245b70e2ef84ba5eb59936c23af85cd6420b3d16

SHA256
e7cb07a56d579e684d69f1fc284e2f45175711d1b535a0a611a65d97985afc45

SHA512
7da79e5e7b6674cd60cd7efc8d30a46acee61e57bcaa39fa202969f2d1d33a5eecced8a3cea4877760ea00e7fc66f558af516f6ed904b470c779ad7fc861a717

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar6668.tmp

Filesize
183KB

MD5
109cab5505f5e065b63d01361467a83b

SHA1
4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

SHA256
ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

SHA512
753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

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

Filesize
61KB

MD5
222166c81b7629186de32ed8d0b8745f

SHA1
519723afe1bfb897ed89c4645705681a38b69899

SHA256
a4082c8d7b1ad2c4e0306224efa803ae0b62e530a02f5a158b4d88cf003d5b9d

SHA512
0a668cf5264f8f694d907b1faff4640d00f83bfb9e727664b09055fd819296d51dee254a947e0d1dfbb09490632cd19983b5a662774229d2deb52c538c5d64ac

Download Submit
memory/2668-16-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/2808-0-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2808-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2808-8-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download

Analysis

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