2ae82dcda31569c1502ff35952bb31f71e911cf0bb1265ce2e8f04f35e3c0135

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
09-03-2024 17:45

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General

Target

2024-03-09_e198d9b93ef99fd1b97ba2861ee6e21e_cryptolocker.exe
Size

59KB
MD5

e198d9b93ef99fd1b97ba2861ee6e21e
SHA1

037e4c5bcd840f1bc8b55e185d3816bbdba1acdf
SHA256

2ae82dcda31569c1502ff35952bb31f71e911cf0bb1265ce2e8f04f35e3c0135
SHA512

174d6ae605a739a5b50e67403f594a4b718cdfd74f1e400b3a419da47912ed630a4f878ea2069906bc8d01777d125d21979127de5af625f9845c46df5abfb9a4
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHg:btng54SMLr+/AO/kIhfoKMHd5

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012253-13.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2148	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2280	2024-03-09_e198d9b93ef99fd1b97ba2861ee6e21e_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
2280	2024-03-09_e198d9b93ef99fd1b97ba2861ee6e21e_cryptolocker.exe
2148	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2148	2280	2024-03-09_e198d9b93ef99fd1b97ba2861ee6e21e_cryptolocker.exe	28
PID 2280 wrote to memory of 2148	2280	2024-03-09_e198d9b93ef99fd1b97ba2861ee6e21e_cryptolocker.exe	28
PID 2280 wrote to memory of 2148	2280	2024-03-09_e198d9b93ef99fd1b97ba2861ee6e21e_cryptolocker.exe	28
PID 2280 wrote to memory of 2148	2280	2024-03-09_e198d9b93ef99fd1b97ba2861ee6e21e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-09_e198d9b93ef99fd1b97ba2861ee6e21e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-09_e198d9b93ef99fd1b97ba2861ee6e21e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2280
- 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:2148

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

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

Filesize
59KB

MD5
16f516b951a185d69c1bcd87a733160c

SHA1
7a82b30fa01e1c259cf553ffabc3a6cf167b8104

SHA256
fe59a1b742559bb6918da62e2780a3c59ea6d71d6e51e3bb334ce6d3cf956896

SHA512
a0b315dfff247be44a503883c4a3cfdc2bbddc28eef8310a855366770d21d01f99973f51d25be546592274a4c85a156c1572721a0cf27d350b89783db53f9426

Download Submit
memory/2148-23-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2280-0-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2280-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2280-3-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download