34cd2f40934c8a71ed1c1e2f33c30f1f5a5b15558492776a76aaf2479158c8ed

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
02-05-2024 03:36

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General

Target

2024-05-02_70837dbacfa2477c60d7ac43672c36f3_cryptolocker.exe
Size

56KB
MD5

70837dbacfa2477c60d7ac43672c36f3
SHA1

cee9e20bf6dc4cd52dfab5df05457d12b30c50a1
SHA256

34cd2f40934c8a71ed1c1e2f33c30f1f5a5b15558492776a76aaf2479158c8ed
SHA512

40fc5a942e25cf5999b69b70a114711204c4f75c0b3e1e6fbb663d93ab0912f34857cad0edd74a67ac892248b171ff982a1ff02dcfceb074eac281910db4f99b
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4hdCW1nw71TkhsiPn1YFv6dl4NNTT:vj+jsMQMOtEvwDpj5HH1nw73KOFiA1

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0007000000012120-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0007000000012120-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2216	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2416	2024-05-02_70837dbacfa2477c60d7ac43672c36f3_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 2416 wrote to memory of 2216	2416	2024-05-02_70837dbacfa2477c60d7ac43672c36f3_cryptolocker.exe	28
PID 2416 wrote to memory of 2216	2416	2024-05-02_70837dbacfa2477c60d7ac43672c36f3_cryptolocker.exe	28
PID 2416 wrote to memory of 2216	2416	2024-05-02_70837dbacfa2477c60d7ac43672c36f3_cryptolocker.exe	28
PID 2416 wrote to memory of 2216	2416	2024-05-02_70837dbacfa2477c60d7ac43672c36f3_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-02_70837dbacfa2477c60d7ac43672c36f3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-02_70837dbacfa2477c60d7ac43672c36f3_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2216

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
57KB

MD5
423ca0d41a5b19aed5e845eb55678099

SHA1
0ccf17af8af05c661b569b36fa9b88dc54b776de

SHA256
6961f6f57d00c26f49af3d4fb33195b16e552f560cd6df846e31ad1a46882ba5

SHA512
d5b61813d27f3a9fed68a467c426c42809feb2227aa76d6d51b135d6c22e49899914501be0de88f3223d30200e6dbce861d51bc84e76607109335666f0031235

Download Submit
memory/2216-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2216-22-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2416-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2416-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2416-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download