79a17ae086d8ede9cdb25df72025a4c2e02a918c419b2cf63edaaee28b3c98c0

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23/04/2024, 09:25

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General

Target

2024-04-23_5025c4180630303298612c7f6e0c379a_cryptolocker.exe
Size

35KB
MD5

5025c4180630303298612c7f6e0c379a
SHA1

8245734a31cfef80b9e64bf44552c2599df7a289
SHA256

79a17ae086d8ede9cdb25df72025a4c2e02a918c419b2cf63edaaee28b3c98c0
SHA512

0a5e0ca524aca03a6901e5c1b1dbc0135f50a6df2e6ad08347611f3f1a65b27c7bd3dcc3bc8c2ee2fcbcd0164eb059b78fd24baa6ad50d748a944becf8ec0f93
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2B0qvoLV:btB9g/WItCSsAGjX7r3BTmV

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224d-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3068	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2188	2024-04-23_5025c4180630303298612c7f6e0c379a_cryptolocker.exe

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

System Information Discovery
T1082

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2188	2024-04-23_5025c4180630303298612c7f6e0c379a_cryptolocker.exe
3068	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 3068	2188	2024-04-23_5025c4180630303298612c7f6e0c379a_cryptolocker.exe	28
PID 2188 wrote to memory of 3068	2188	2024-04-23_5025c4180630303298612c7f6e0c379a_cryptolocker.exe	28
PID 2188 wrote to memory of 3068	2188	2024-04-23_5025c4180630303298612c7f6e0c379a_cryptolocker.exe	28
PID 2188 wrote to memory of 3068	2188	2024-04-23_5025c4180630303298612c7f6e0c379a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-23_5025c4180630303298612c7f6e0c379a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-23_5025c4180630303298612c7f6e0c379a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:3068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
35KB

MD5
b1a969e9280796e71adf175e8406504c

SHA1
e1e71223db938de8f7508540cb3f49a375bac504

SHA256
ac7d62ac76c127f2fde269ded6d36a9379ff39a5e4761b62470bb8388d812125

SHA512
44c8e9b1ed70870fc68d515b660d86c1f0aea30bf9e5ee2d78c763fa488511813b13e12a137e7f88820f940dabceed76888fd5cdef7e8e5f00cd285ef535ae1d

Download Submit
memory/2188-0-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/2188-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2188-8-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/3068-17-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download