d4b2560001c6e48814a9e45b0b08196856cb0ffbcab33ea4654bd90eed6ea842

Analysis

max time kernel
136s
max time network
151s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05/03/2024, 21:47

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General

Target

2024-03-05_a6aebdbce87167df6fe84efa743ff087_cryptolocker.exe
Size

37KB
MD5

a6aebdbce87167df6fe84efa743ff087
SHA1

873572a565214ea302edaca98ceff435425f6773
SHA256

d4b2560001c6e48814a9e45b0b08196856cb0ffbcab33ea4654bd90eed6ea842
SHA512

2ddd22849b8f880ffcb1678222c4259ba2bcbe90097ea1add6eb256c222e945354fccc0dfd9a84b53c118754e40645fbf6423a4eda8b3ab61a5ca3d16b88125c
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAsV:ZzFbxmLPWQMOtEvwDpjLeJAsV

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000013a11-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3008	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
3036	2024-03-05_a6aebdbce87167df6fe84efa743ff087_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 3036 wrote to memory of 3008	3036	2024-03-05_a6aebdbce87167df6fe84efa743ff087_cryptolocker.exe	28
PID 3036 wrote to memory of 3008	3036	2024-03-05_a6aebdbce87167df6fe84efa743ff087_cryptolocker.exe	28
PID 3036 wrote to memory of 3008	3036	2024-03-05_a6aebdbce87167df6fe84efa743ff087_cryptolocker.exe	28
PID 3036 wrote to memory of 3008	3036	2024-03-05_a6aebdbce87167df6fe84efa743ff087_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-05_a6aebdbce87167df6fe84efa743ff087_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-05_a6aebdbce87167df6fe84efa743ff087_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3008

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
37KB

MD5
5ec979c4e780f2ff05c7f60244a3fd8e

SHA1
dfa3a1160c093df250dedbbee6542427405a58c0

SHA256
838998521d2e43c7180eb15e4faf6d3652adce46fc6cdbdce64cc42ce77cc64f

SHA512
7fc0b55f6249c4ac01248f07243d251e657b550a4ee758bf6419fe9422c1ca02d9d06d03b729dd7c81b84d0c31a9626f1f841281ad25e3d6025d09c7da3d5a13

Download Submit
memory/3008-16-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/3008-17-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/3036-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3036-1-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/3036-3-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3036-2-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download