2b73d03167dfa587342156460aeca44e7de2b1368d34ae6c7602743a0e5db247

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
18/01/2024, 23:13

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General

Target

2024-01-18_ac093dce24b4dd7d822164a728fea2c9_cryptolocker.exe
Size

68KB
MD5

ac093dce24b4dd7d822164a728fea2c9
SHA1

1b3818a1772a41e918be6d3761de94462bf56516
SHA256

2b73d03167dfa587342156460aeca44e7de2b1368d34ae6c7602743a0e5db247
SHA512

eb8c88a12a438dbf89f90f6023cd27717130252a129581358e929fcc5f7f08c711b299fdb69461694e250975be2de9fdb8954ee0bbe5ba96af597320e6c6855b
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/Rk:vj+jsMQMOtEvwDpj5HZYTjipvF248/

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000013a21-21.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000013a21-21.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1944	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2172	2024-01-18_ac093dce24b4dd7d822164a728fea2c9_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 2172 wrote to memory of 1944	2172	2024-01-18_ac093dce24b4dd7d822164a728fea2c9_cryptolocker.exe	21
PID 2172 wrote to memory of 1944	2172	2024-01-18_ac093dce24b4dd7d822164a728fea2c9_cryptolocker.exe	21
PID 2172 wrote to memory of 1944	2172	2024-01-18_ac093dce24b4dd7d822164a728fea2c9_cryptolocker.exe	21
PID 2172 wrote to memory of 1944	2172	2024-01-18_ac093dce24b4dd7d822164a728fea2c9_cryptolocker.exe	21

C:\Users\Admin\AppData\Local\Temp\2024-01-18_ac093dce24b4dd7d822164a728fea2c9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-18_ac093dce24b4dd7d822164a728fea2c9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1944

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

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
68KB

MD5
f1eb143658ded44a5bc26f1e6c502cb5

SHA1
95f97ca1dcd7328e9193906ec32e463780d8f5cd

SHA256
245bdad9b72aeab11457b9b4b6bd93cb6c2549a8eb6762b4d5fbd1520455e4ac

SHA512
27a948768c3d7e0ab698a938854447b300c0ad6e277783a99c86f6406691cb1d4a25cff69e6115f9c5e364968a0a611352d1b387a79886655873704257ab29be

Download Submit
memory/1944-22-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1944-15-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2172-0-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2172-2-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2172-1-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download