e62c61c0e36ee3c066de768902845d3bec5b0ab5c9fccd1b12746a0902be6f79

Analysis

max time kernel
148s
max time network
152s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
15/05/2024, 21:42

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General

Target

2024-05-15_f7b444f15f0f6ce5b6263774720949b9_cryptolocker.exe
Size

48KB
MD5

f7b444f15f0f6ce5b6263774720949b9
SHA1

0482f850807f93f2e6e115f37b9f5d0f02d25f63
SHA256

e62c61c0e36ee3c066de768902845d3bec5b0ab5c9fccd1b12746a0902be6f79
SHA512

d8eaf5fa80da8da21aa8d6758488da86a2f753e1e6b1a7ac34b85d07a4d5bfa0c5aa91bbae82eb8cdeeac944ba8f00ab136d9ee29ede873f6639aa13ace8505a
SSDEEP

768:79inqyNR/QtOOtEvwDpjBKccJVODvy3Sp8LM:79mqyNhQMOtEvwDpjBzckqSuQ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/2940-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x0007000000012120-11.dat	CryptoLocker_rule2
behavioral1/memory/2940-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2592-17-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/2940-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x0007000000012120-11.dat	CryptoLocker_set1
behavioral1/memory/2940-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2592-17-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2592	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2940	2024-05-15_f7b444f15f0f6ce5b6263774720949b9_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 2940 wrote to memory of 2592	2940	2024-05-15_f7b444f15f0f6ce5b6263774720949b9_cryptolocker.exe	28
PID 2940 wrote to memory of 2592	2940	2024-05-15_f7b444f15f0f6ce5b6263774720949b9_cryptolocker.exe	28
PID 2940 wrote to memory of 2592	2940	2024-05-15_f7b444f15f0f6ce5b6263774720949b9_cryptolocker.exe	28
PID 2940 wrote to memory of 2592	2940	2024-05-15_f7b444f15f0f6ce5b6263774720949b9_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-15_f7b444f15f0f6ce5b6263774720949b9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-15_f7b444f15f0f6ce5b6263774720949b9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2940
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2592

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\asih.exe

Filesize
48KB

MD5
52f6c42e51ed7930ff269220a5851138

SHA1
c73601dca50cb3a82de7e3f5190d33b77d6516d4

SHA256
2ada056dd23fa01a821d4a258e047e2e755412e8140fa70d8fb6baaa0c08e39b

SHA512
e0c9d43f0b723a87fa59d3c3c4fa721daebea4fe52bd4093c58af7097b2d889522c6542ed794f9c23f8fed6e11617304c60aac35ceafb5911e7a425f78413c24

Download Submit
memory/2592-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2592-25-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2592-18-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2940-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2940-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2940-2-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2940-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2940-15-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download