5a9af8219f7f18b065a1637d0fcdaddd3b4fef27b271eb2c94a2303b6716f8e4

Analysis

max time kernel
150s
max time network
142s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27/02/2024, 21:27

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General

Target

2024-02-27_2e57e00d24e1bf55d881c019864a633f_cryptolocker.exe
Size

48KB
MD5

2e57e00d24e1bf55d881c019864a633f
SHA1

a502044f6fd100392e3ccaa74b4cc3d6045de78c
SHA256

5a9af8219f7f18b065a1637d0fcdaddd3b4fef27b271eb2c94a2303b6716f8e4
SHA512

b4d84bc47adaa09476829bcf49ba8ea64346067d1dc974f1600a1973e915ec9c0b4b8d526174076ecaa7cc4e20b5712f7f337e81fe2a12a097cd10aa947e7232
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjeJQ7pojakNPp:V6a+pOtEvwDpjS

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122fa-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122fa-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2676	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2212	2024-02-27_2e57e00d24e1bf55d881c019864a633f_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 2212 wrote to memory of 2676	2212	2024-02-27_2e57e00d24e1bf55d881c019864a633f_cryptolocker.exe	28
PID 2212 wrote to memory of 2676	2212	2024-02-27_2e57e00d24e1bf55d881c019864a633f_cryptolocker.exe	28
PID 2212 wrote to memory of 2676	2212	2024-02-27_2e57e00d24e1bf55d881c019864a633f_cryptolocker.exe	28
PID 2212 wrote to memory of 2676	2212	2024-02-27_2e57e00d24e1bf55d881c019864a633f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-27_2e57e00d24e1bf55d881c019864a633f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-27_2e57e00d24e1bf55d881c019864a633f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2676

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
49KB

MD5
b27229b9b72c22fdaef0414692455ccb

SHA1
30f0fc175660d56864c400025c6d369da2b5db42

SHA256
923a3a5d8062468851f8d2c6180f8d2b812405a91ccadaa658453d9a587ff7da

SHA512
1d58b4392050c9b2d712b863bd829ad1347dc06f43ef1ede2b4bd2fdca8fbbfadfe4edc10e48c6223f47855e4b698d0a0fbaa9dbe34394284c3288438ccb344e

Download Submit
memory/2212-0-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2212-2-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2212-1-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2676-15-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2676-19-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download