38ad8662e45b3eb51be97e7852945a59a154c8f40a11e09bc6097294972c2633

General

Target

2024-05-22_1f6610d85973dd027de5c78853000c87_cryptolocker.exe
Size

51KB
MD5

1f6610d85973dd027de5c78853000c87
SHA1

eb2aff764c098155507822e6ed97901040a6f495
SHA256

38ad8662e45b3eb51be97e7852945a59a154c8f40a11e09bc6097294972c2633
SHA512

a2bcade852cadfcefe8525a016e07bfea2d6808d17a8c3e0261894e739549b79c1e5390ab65fc42d30995e30b30ab5ba41d17d541bb6d791392a45ed628485c0
SSDEEP

768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPhqlcnvhx5/xFRY+iyyw:6j+1NMOtEvwDpjr8hhXy+iyyw

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1260-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2
behavioral1/memory/1260-13-0x00000000003D0000-0x00000000003DF000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2356-17-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1260-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2356-27-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1260-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_set1
behavioral1/memory/1260-13-0x00000000003D0000-0x00000000003DF000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2356-17-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1260-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2356-27-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1260-0-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
\Users\Admin\AppData\Local\Temp\misid.exe	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1260-13-0x00000000003D0000-0x00000000003DF000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2356-17-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1260-16-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2356-27-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

2356 misid.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-22_1f6610d85973dd027de5c78853000c87_cryptolocker.exe

pid process

1260 2024-05-22_1f6610d85973dd027de5c78853000c87_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2356	misid.exe

pid	process
1260	2024-05-22_1f6610d85973dd027de5c78853000c87_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-22_1f6610d85973dd027de5c78853000c87_cryptolocker.exe

description	pid	process	target process
PID 1260 wrote to memory of 2356	1260	2024-05-22_1f6610d85973dd027de5c78853000c87_cryptolocker.exe	misid.exe
PID 1260 wrote to memory of 2356	1260	2024-05-22_1f6610d85973dd027de5c78853000c87_cryptolocker.exe	misid.exe
PID 1260 wrote to memory of 2356	1260	2024-05-22_1f6610d85973dd027de5c78853000c87_cryptolocker.exe	misid.exe
PID 1260 wrote to memory of 2356	1260	2024-05-22_1f6610d85973dd027de5c78853000c87_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-22_1f6610d85973dd027de5c78853000c87_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_1f6610d85973dd027de5c78853000c87_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1260

C:\Users\Admin\AppData\Local\Temp\misid.exe
"C:\Users\Admin\AppData\Local\Temp\misid.exe"
2⤵
- Executes dropped EXE
PID:2356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
52KB

MD5
7e2de5fda6cb752bfb569e46b7fca262

SHA1
740a985dd1706f7f2928ac18f6ae30dde4a3b0f9

SHA256
811dfda2602f010b71d5da7270d30265f4b6b77912c0bc269ddf4c257921c737

SHA512
52abcb2a82ff9af09586960b04776bf0f25900c9cd9a88f2012f28b4ce3fabb7a26d4b9edb87c942529149e17ba7d0e779b27fbb1361858528a150e63bdc4c48

Download Submit
memory/1260-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1260-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1260-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1260-3-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1260-13-0x00000000003D0000-0x00000000003DF000-memory.dmp

Filesize
60KB

Download
memory/1260-16-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2356-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2356-26-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2356-19-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2356-27-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads