269603cce2007cc6989894bf6d160e8f25ed12965800634e6c27bbc9c04fe735

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/02/2024, 13:49

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General

Target

2024-02-14_2bb8c8251087c048c44db52388231ec3_cryptolocker.exe
Size

42KB
MD5

2bb8c8251087c048c44db52388231ec3
SHA1

3301f452da8c69f174dcf6a6948ee16dc619dccf
SHA256

269603cce2007cc6989894bf6d160e8f25ed12965800634e6c27bbc9c04fe735
SHA512

a5ef66035f2b735d25ec4832aab98f35b27235ae7f257d886389ef8220ae23ab3184966e28a241cf714031cc2d2ac0caafd9e98fa864d73499baf4da00cfb1ad
SSDEEP

768:btB9g/WItCSsAGjX7r3BPOMHoc/QQ/hGGtPVRfj:btB9g/xtCSKfxLIc//hGGtbL

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012252-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2844	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
3008	2024-02-14_2bb8c8251087c048c44db52388231ec3_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
3008	2024-02-14_2bb8c8251087c048c44db52388231ec3_cryptolocker.exe
2844	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 2844	3008	2024-02-14_2bb8c8251087c048c44db52388231ec3_cryptolocker.exe	28
PID 3008 wrote to memory of 2844	3008	2024-02-14_2bb8c8251087c048c44db52388231ec3_cryptolocker.exe	28
PID 3008 wrote to memory of 2844	3008	2024-02-14_2bb8c8251087c048c44db52388231ec3_cryptolocker.exe	28
PID 3008 wrote to memory of 2844	3008	2024-02-14_2bb8c8251087c048c44db52388231ec3_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-14_2bb8c8251087c048c44db52388231ec3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-14_2bb8c8251087c048c44db52388231ec3_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3008
- 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:2844

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
42KB

MD5
f72d8e194588a2f4eec35dfbfe0287c3

SHA1
406d28d5a84092aafd05dba5c61b7077f6af4e8f

SHA256
0f2714b66abff711f68cc9ce38dd3c32ec823cf3b37ee99f3ca03cdcad6e72a1

SHA512
173cc90bd78b697e86179d3b2b9cd8504e19f3352754d7de43f593cc44c0423de73a11be455578b2dab16884011b67b723ec306a9d94fc3f8171f64f8bb06872

Download Submit
memory/2844-17-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/3008-0-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/3008-1-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/3008-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download