e62ef926cac2e6c9be72e10bc1be1457cd0c88ce2748eb4f088a55da13456eb5

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
01/06/2024, 10:17

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General

Target

2024-06-01_82e443633f6d2254081ae086b8d0c082_cryptolocker.exe
Size

46KB
MD5

82e443633f6d2254081ae086b8d0c082
SHA1

dba61ba6ad89667aa85f54d1afb80a120344afd2
SHA256

e62ef926cac2e6c9be72e10bc1be1457cd0c88ce2748eb4f088a55da13456eb5
SHA512

3a756b778fc055822edd120241f523950de76802fc71b66aa294dbf44c3159911966b46e3a2309ab217db8381c820bac53e0edf7d50931875068c7db74ad282d
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPh+1c:P6QFElP6k+MRQMOtEvwDpjBQpVXK+a

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/2928-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000d00000001227e-11.dat	CryptoLocker_rule2
behavioral1/memory/2712-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2928-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2712-26-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/2928-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000d00000001227e-11.dat	CryptoLocker_set1
behavioral1/memory/2712-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2928-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2712-26-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2712	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2928	2024-06-01_82e443633f6d2254081ae086b8d0c082_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 2928 wrote to memory of 2712	2928	2024-06-01_82e443633f6d2254081ae086b8d0c082_cryptolocker.exe	28
PID 2928 wrote to memory of 2712	2928	2024-06-01_82e443633f6d2254081ae086b8d0c082_cryptolocker.exe	28
PID 2928 wrote to memory of 2712	2928	2024-06-01_82e443633f6d2254081ae086b8d0c082_cryptolocker.exe	28
PID 2928 wrote to memory of 2712	2928	2024-06-01_82e443633f6d2254081ae086b8d0c082_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-01_82e443633f6d2254081ae086b8d0c082_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-01_82e443633f6d2254081ae086b8d0c082_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2712

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\asih.exe

Filesize
46KB

MD5
934dc3f5d035d76140e345c8a4c73c77

SHA1
b255631f894dab511fbdfb47e0fc1ef68af55639

SHA256
e37e2a2a8e2df4a3fa088421a65b582364c4450d17627418b300c004768fdac8

SHA512
00485f00580ed14094e4faf65abe8b76b2158e1683687aa99617dfe2996ebc41c9cd24424cacc18e3f51ac3dd87addb3beeac3d303a963cbab89e53a13346242

Download Submit
memory/2712-16-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2712-25-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2712-18-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2712-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2928-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2928-9-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2928-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2928-2-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2928-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download