5ea02120ab9de19171691916f8d5a508d7a737a549a526d7e0fd95a2ca77fb76

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
12/05/2024, 05:37

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General

Target

2024-05-12_c78e191bc2de9f61952ed348c4511068_cryptolocker.exe
Size

67KB
MD5

c78e191bc2de9f61952ed348c4511068
SHA1

ebff2fd719fc6024e8aebcec741a9812ebbd409c
SHA256

5ea02120ab9de19171691916f8d5a508d7a737a549a526d7e0fd95a2ca77fb76
SHA512

1e87a924e57497a129e3e7f5d919d683547ed52b0f90812456b983fbc859a08fff5984a5db0b886c04300fe45703d79276f299cf4751c16f90bf7c094ccf385b
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2l9tMPvdfGy7B:TCjsIOtEvwDpj5HE/OUHnSMYS

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 6 IoCs

resource	yara_rule
behavioral1/memory/1924-1-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000b000000015bb9-11.dat	CryptoLocker_rule2
behavioral1/memory/1924-13-0x00000000021B0000-0x00000000021BE000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1924-16-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/3024-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/3024-26-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 6 IoCs

resource	yara_rule
behavioral1/memory/1924-1-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000b000000015bb9-11.dat	CryptoLocker_set1
behavioral1/memory/1924-13-0x00000000021B0000-0x00000000021BE000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1924-16-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/3024-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/3024-26-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3024	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1924	2024-05-12_c78e191bc2de9f61952ed348c4511068_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 1924 wrote to memory of 3024	1924	2024-05-12_c78e191bc2de9f61952ed348c4511068_cryptolocker.exe	28
PID 1924 wrote to memory of 3024	1924	2024-05-12_c78e191bc2de9f61952ed348c4511068_cryptolocker.exe	28
PID 1924 wrote to memory of 3024	1924	2024-05-12_c78e191bc2de9f61952ed348c4511068_cryptolocker.exe	28
PID 1924 wrote to memory of 3024	1924	2024-05-12_c78e191bc2de9f61952ed348c4511068_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-12_c78e191bc2de9f61952ed348c4511068_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-12_c78e191bc2de9f61952ed348c4511068_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3024

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
67KB

MD5
19038c6a70af18410ae1bfe12e135626

SHA1
618c4fbd4f2ee8340788e4bad2bea759912d7e1e

SHA256
03290ccaaa6d957fd8b2fa8b82671ab5436396cee15ee552c5b2ec8f64b7ea0a

SHA512
2f62dc67f7ecdfffd63f7ed624dd0d92ce6ffdd543769c054459be1d2c41218adb709c8548d8c7945a7aab916781e82e248f215ebead238299476afcf0c1a39d

Download Submit
memory/1924-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1924-1-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/1924-2-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1924-3-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/1924-13-0x00000000021B0000-0x00000000021BE000-memory.dmp

Filesize
56KB

Download
memory/1924-16-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/3024-17-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/3024-19-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/3024-26-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download