f750077a66393b70c4fa1fff0af2ad1a068163419509e853a5d6b6737bd875e1

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
27/01/2024, 21:32

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General

Target

2024-01-27_750fde1701632f87fd57bb9923bb65e8_cryptolocker.exe
Size

81KB
MD5

750fde1701632f87fd57bb9923bb65e8
SHA1

dd5274a1a4ca0a126cfd5705ef94a55feb3f1760
SHA256

f750077a66393b70c4fa1fff0af2ad1a068163419509e853a5d6b6737bd875e1
SHA512

49c975d513793d2796ec8e74c7041315fc65f8c2142bcf2cf0b9ac7bceabafacd3ba0feae59787c47b251d3dc1e9534b055446f0d103a6b91742bf28fb02adae
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLa5VccPtNw5CS95yFPnc:V6QFElP6n+gMQMOtEvwDpjyaLccVNlm

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012329-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012329-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2704	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2920	2024-01-27_750fde1701632f87fd57bb9923bb65e8_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 2920 wrote to memory of 2704	2920	2024-01-27_750fde1701632f87fd57bb9923bb65e8_cryptolocker.exe	28
PID 2920 wrote to memory of 2704	2920	2024-01-27_750fde1701632f87fd57bb9923bb65e8_cryptolocker.exe	28
PID 2920 wrote to memory of 2704	2920	2024-01-27_750fde1701632f87fd57bb9923bb65e8_cryptolocker.exe	28
PID 2920 wrote to memory of 2704	2920	2024-01-27_750fde1701632f87fd57bb9923bb65e8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-27_750fde1701632f87fd57bb9923bb65e8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-27_750fde1701632f87fd57bb9923bb65e8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2704

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
82KB

MD5
f00dc270bca7088ee0f5ad276a7e299b

SHA1
6ff5972d259cdf37bdc25e3efc243f36129f6181

SHA256
22620e6aa53f21fbb0d9d2fa2156a37bdab846b2ef0076795397d0143a958702

SHA512
1c5e6a9d511d7f99f29799f4abd23a81e567af395c9e1dbbc308b8df404adf6184c51d169e970fb9ec317a93785bacbd9eae3de0fc590bfe9e9c80519248b0c6

Download Submit
memory/2704-15-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2704-16-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2920-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2920-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2920-8-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download