c144d332c354ad8bdd1b535689d039ecb78f9e997f8254e93ba7d303876c8838

Analysis

max time kernel
149s
max time network
140s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15/04/2024, 06:39

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-04-15_e246c6417fa44b04a03c78b3c443bcda_cryptolocker.exe
Size

48KB
MD5

e246c6417fa44b04a03c78b3c443bcda
SHA1

bcdb07b73931e189ca3e815e48944487f18c3de2
SHA256

c144d332c354ad8bdd1b535689d039ecb78f9e997f8254e93ba7d303876c8838
SHA512

ac188ca1fd530b66e65de8fed469b0d6bc0f5012413915f130f7c2f60a6bbeb67b55b7fab8a5dbab51f0969cddf17f13ebc4fdebacbc437266f26f3077b6322e
SSDEEP

768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9RzhwaN4PYG:xj+VGMOtEvwDpjy+TN4t

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/3064-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000a000000012254-11.dat	CryptoLocker_rule2
behavioral1/memory/3064-15-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1388-25-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/3064-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000a000000012254-11.dat	CryptoLocker_set1
behavioral1/memory/3064-15-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1388-25-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 4 IoCs

resource	yara_rule
behavioral1/memory/3064-0-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000a000000012254-11.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/3064-15-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1388-25-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

pid	Process
1388	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
3064	2024-04-15_e246c6417fa44b04a03c78b3c443bcda_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 3064 wrote to memory of 1388	3064	2024-04-15_e246c6417fa44b04a03c78b3c443bcda_cryptolocker.exe	28
PID 3064 wrote to memory of 1388	3064	2024-04-15_e246c6417fa44b04a03c78b3c443bcda_cryptolocker.exe	28
PID 3064 wrote to memory of 1388	3064	2024-04-15_e246c6417fa44b04a03c78b3c443bcda_cryptolocker.exe	28
PID 3064 wrote to memory of 1388	3064	2024-04-15_e246c6417fa44b04a03c78b3c443bcda_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-15_e246c6417fa44b04a03c78b3c443bcda_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-15_e246c6417fa44b04a03c78b3c443bcda_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1388

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

Loading Replay Monitor...

Downloads

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

Filesize
48KB

MD5
09f54ea9f2d3003869089fafacd537c4

SHA1
114bc5399391cc2aa16edced60022ac3f1d24d0d

SHA256
e63f994135092887248f31d06ebee596a96aefd3cf12cd5067aefdae3d631c99

SHA512
57fdbe9c39f0f8f1e180354c12a0f2057b5c2255f0976b709e0e2ee7dc5d4f825477438db9636553b58ae870f1d00fe526a9869ad54ea0ec8f2b185a91d03f33

Download Submit
memory/1388-17-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1388-19-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1388-25-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3064-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3064-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3064-2-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/3064-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3064-15-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download