41c65d8aaeec8b98473957c198980505d02a725611da9057783fd5b6b9a6278f

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
26/03/2024, 12:42

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General

Target

2024-03-26_8e4de9a03516b64d7c65612945d27cb1_cryptolocker.exe
Size

34KB
MD5

8e4de9a03516b64d7c65612945d27cb1
SHA1

79f736ae8a326570abf103af871a088eb4143f0e
SHA256

41c65d8aaeec8b98473957c198980505d02a725611da9057783fd5b6b9a6278f
SHA512

74427cd2573f87b08cfe1fe948a09220f927b8bfe4bc5fcdc413421e217ea7eefd5abd0b548b6d2d1a8c768f366ace3c97e1f61e1521f45e660f6341c0692a6a
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+45Fq:fT+hsMQMOtEvwDpjoIH5E

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000133b0-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000133b0-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2924	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2188	2024-03-26_8e4de9a03516b64d7c65612945d27cb1_cryptolocker.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2924	2188	2024-03-26_8e4de9a03516b64d7c65612945d27cb1_cryptolocker.exe	28
PID 2188 wrote to memory of 2924	2188	2024-03-26_8e4de9a03516b64d7c65612945d27cb1_cryptolocker.exe	28
PID 2188 wrote to memory of 2924	2188	2024-03-26_8e4de9a03516b64d7c65612945d27cb1_cryptolocker.exe	28
PID 2188 wrote to memory of 2924	2188	2024-03-26_8e4de9a03516b64d7c65612945d27cb1_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-26_8e4de9a03516b64d7c65612945d27cb1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-26_8e4de9a03516b64d7c65612945d27cb1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2924

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\misid.exe

Filesize
34KB

MD5
a29b4c194c9705476b1d3c560e3bbf48

SHA1
00635359daa544198f1dbe26a34fb18bb617151c

SHA256
8bbc872ec1c3661a2f6c663e95f8239b2dd1370e4874946cb79b1792017a6e48

SHA512
d6cfb94db32ac9e01f67fbe89870c6c642613557a47450aeef12324efd72ea3e61792eb239f709c5e09eebf862228ea4927fb3aa0a361b402b2c9589803b1d87

Download Submit
memory/2188-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2188-1-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2188-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2924-15-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2924-22-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download