a5cfcd3101b4b2bebc073ebde3d5d7abee43bf717e531af91995a03f08d4f517

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
25/05/2024, 22:38

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General

Target

2024-05-25_c444808d108bbd17ab3bc6fd83104f66_cryptolocker.exe
Size

97KB
MD5

c444808d108bbd17ab3bc6fd83104f66
SHA1

5bf1f022d568d71d8cdddb6e1c4ae098f6e25c96
SHA256

a5cfcd3101b4b2bebc073ebde3d5d7abee43bf717e531af91995a03f08d4f517
SHA512

fd24fec8b2bdf304270684733065c0dafb567fbf77bd679d81d0e70a5149699959e7d58e34fd63c5a68f08794ca3faf459eed7ce453b4ce620c7044b2ab9159d
SSDEEP

1536:Z6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNC4wrx:Z6a+pOtEvwDpjtz0

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000015cb1-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000015cb1-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2124	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2196	2024-05-25_c444808d108bbd17ab3bc6fd83104f66_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 2196 wrote to memory of 2124	2196	2024-05-25_c444808d108bbd17ab3bc6fd83104f66_cryptolocker.exe	28
PID 2196 wrote to memory of 2124	2196	2024-05-25_c444808d108bbd17ab3bc6fd83104f66_cryptolocker.exe	28
PID 2196 wrote to memory of 2124	2196	2024-05-25_c444808d108bbd17ab3bc6fd83104f66_cryptolocker.exe	28
PID 2196 wrote to memory of 2124	2196	2024-05-25_c444808d108bbd17ab3bc6fd83104f66_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-25_c444808d108bbd17ab3bc6fd83104f66_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-25_c444808d108bbd17ab3bc6fd83104f66_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2124

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
97KB

MD5
5ffc1132f43a6c7309fa4841eeb8f5f4

SHA1
84f1ca57c3f7aab42470d8f0c1683e751b32282a

SHA256
bce72edc32731e1a3890b7fca0ec8c3196f475acaed9f802836fe234ce59fd7c

SHA512
0fbfb6e344f734607306a9d7c2e71defade88a3fbcf38e5afb197a7f858a327b1dec5115d8ee69c963b2a71a9c0c22b9ab445153d0e0a06bb47142c69fd24a33

Download Submit
memory/2124-15-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/2124-22-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2196-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2196-1-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2196-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download