156eb933b0bfd53b673234b9ef1a5414422301922d82d35b748bae7a05e63834

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
30/04/2024, 02:41

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General

Target

2024-04-30_59d64db286da40c1ce13f203f5b1aa65_cryptolocker.exe
Size

47KB
MD5

59d64db286da40c1ce13f203f5b1aa65
SHA1

f1428bb7c2f247357debb5a4c2929f673103ee39
SHA256

156eb933b0bfd53b673234b9ef1a5414422301922d82d35b748bae7a05e63834
SHA512

ae8ba2dc0a125183571a3a6c170160e503b6d970f67c40d122af89c721f54dee1e4740013f1caf14faffd1433c4fefe5dc1a84929ed6110036f96b1a397d7624
SSDEEP

768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/Dpkcq:P6Q0ElP6G+gJQMOtEvwDpjB8WMlfq

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/2784-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000b00000001472f-11.dat	CryptoLocker_rule2
behavioral1/memory/2784-13-0x0000000002420000-0x000000000242B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2784-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2572-26-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/2784-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000b00000001472f-11.dat	CryptoLocker_set1
behavioral1/memory/2784-13-0x0000000002420000-0x000000000242B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2784-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2572-26-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2572	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2784	2024-04-30_59d64db286da40c1ce13f203f5b1aa65_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 2784 wrote to memory of 2572	2784	2024-04-30_59d64db286da40c1ce13f203f5b1aa65_cryptolocker.exe	28
PID 2784 wrote to memory of 2572	2784	2024-04-30_59d64db286da40c1ce13f203f5b1aa65_cryptolocker.exe	28
PID 2784 wrote to memory of 2572	2784	2024-04-30_59d64db286da40c1ce13f203f5b1aa65_cryptolocker.exe	28
PID 2784 wrote to memory of 2572	2784	2024-04-30_59d64db286da40c1ce13f203f5b1aa65_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-30_59d64db286da40c1ce13f203f5b1aa65_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-30_59d64db286da40c1ce13f203f5b1aa65_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2784
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2572

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
47KB

MD5
caa0baddae810ea84dc6a68e11910231

SHA1
1c3c19a4b7140e227ded6b609462aada57ebdac1

SHA256
34f29e5aa9d3cdebf952d883f9b2ec483f535f15f93103b51e558e368bec47f4

SHA512
62edf046ec65928105293f64d89397947d4ac5ff7a0f4ed90d1e55febface32c6769e6b6716b7e3ffbbf6db6e15544fb462008fdfa6c7f513565b7dd8fab844c

Download Submit
memory/2572-18-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2572-19-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2572-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2784-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2784-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2784-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2784-2-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2784-13-0x0000000002420000-0x000000000242B000-memory.dmp

Filesize
44KB

Download
memory/2784-16-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download