1747bac759685bdc871f6dd8c7963323967e9cf9a0ffc0a9d1de21ccb5037c30

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
24-05-2024 00:32

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General

Target

2024-05-24_654bc67ccd8ccfcfe7c1091597da512d_cryptolocker.exe
Size

62KB
MD5

654bc67ccd8ccfcfe7c1091597da512d
SHA1

18e14a3679659cbc80de635f24b7bcbcbf29d111
SHA256

1747bac759685bdc871f6dd8c7963323967e9cf9a0ffc0a9d1de21ccb5037c30
SHA512

a5685116e5c9045ae421ea35e57396abdd5b2457a9c16dc54c9ed4535def8c1f1ae54b115db7221fee4ed99285cccf98b1eb42fb1e76394104aeebbd75e56100
SSDEEP

768:3Uz7yVEhs9+Hs1SQtOOtEvwDpjO9+4hdCY8EQMjpi/Wpi3B3URiLqCyLuAx8XG99:3P+HsMQMOtEvwDpjoHy7B3g9CWuAxWTQ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/616-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000b000000012286-11.dat	CryptoLocker_rule2
behavioral1/memory/616-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1272-17-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1272-26-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/616-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000b000000012286-11.dat	CryptoLocker_set1
behavioral1/memory/616-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1272-17-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1272-26-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1272	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
616	2024-05-24_654bc67ccd8ccfcfe7c1091597da512d_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 616 wrote to memory of 1272	616	2024-05-24_654bc67ccd8ccfcfe7c1091597da512d_cryptolocker.exe	28
PID 616 wrote to memory of 1272	616	2024-05-24_654bc67ccd8ccfcfe7c1091597da512d_cryptolocker.exe	28
PID 616 wrote to memory of 1272	616	2024-05-24_654bc67ccd8ccfcfe7c1091597da512d_cryptolocker.exe	28
PID 616 wrote to memory of 1272	616	2024-05-24_654bc67ccd8ccfcfe7c1091597da512d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-24_654bc67ccd8ccfcfe7c1091597da512d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-24_654bc67ccd8ccfcfe7c1091597da512d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:616
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1272

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
62KB

MD5
f8842e4e0c782e75ae5e9539b9a5799a

SHA1
c9fc65fed04782f24229947287b6038f85b7df26

SHA256
fd652f12cc0ae53ea24182a069b9c5708d42bc839ae036892bad550e0e184ed7

SHA512
dd1544caf6d26e25f29cb61a3ff2fa11b1f79b167a79a4ed81abd5a8d18bbf56308d15c3db913473a390067f6e3a1cd8ee0c4c4b4bff26d17c7b98d992eb86db

Download Submit
memory/616-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/616-1-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/616-2-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/616-9-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/616-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1272-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1272-18-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/1272-25-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1272-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download