6f168d65512a714cc3a36710b364b86e2971fc13486b3c5bc0966ab58ee9a725

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
02/05/2024, 11:28

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General

Target

2024-05-02_43a761abe4b34239e69e2fb1f09a05a2_cryptolocker.exe
Size

47KB
MD5

43a761abe4b34239e69e2fb1f09a05a2
SHA1

18bb40036172fa691ff298f92e19a2f8ce6d6e1d
SHA256

6f168d65512a714cc3a36710b364b86e2971fc13486b3c5bc0966ab58ee9a725
SHA512

415a2c271d8c3883c7d3c860aa4c29f8997e56e7d22b18145dd7785323db19ad0262d5270227c2bc3e629ae0f6adf6c60707ce575e62e4c41f292272636c4b40
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB03:vj+jsMQMOtEvwDpj5HczerLO04BU

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001445e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001445e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2052	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2248	2024-05-02_43a761abe4b34239e69e2fb1f09a05a2_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 2248 wrote to memory of 2052	2248	2024-05-02_43a761abe4b34239e69e2fb1f09a05a2_cryptolocker.exe	28
PID 2248 wrote to memory of 2052	2248	2024-05-02_43a761abe4b34239e69e2fb1f09a05a2_cryptolocker.exe	28
PID 2248 wrote to memory of 2052	2248	2024-05-02_43a761abe4b34239e69e2fb1f09a05a2_cryptolocker.exe	28
PID 2248 wrote to memory of 2052	2248	2024-05-02_43a761abe4b34239e69e2fb1f09a05a2_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-02_43a761abe4b34239e69e2fb1f09a05a2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-02_43a761abe4b34239e69e2fb1f09a05a2_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2052

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
47KB

MD5
e8897fa0d624657717d76fa2acac9f55

SHA1
6dcf2d2e800915e8fb623ed9a54e22d22d4df6e3

SHA256
7aa46c825d0099c10120aeef3827f48bbc28a03e08f53b0f7fa7c983428ac32f

SHA512
b5ee23aa87f281b186a1a06f97a0a25ca8989232baa619c57e5f5940c4676f9f2deed0fe5504f07c26957652bb24d202ee0c8948f5036e517703b2b47b18b8cf

Download Submit
memory/2052-15-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2052-22-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2248-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2248-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2248-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download