5ceb195c3fcb54b6893df36836d4f6fd38b53d6f515b0b6eb982c042c6929b0e

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
28-01-2024 20:35

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General

Target

2024-01-28_ad978f376f230e7e22ebb33bd45b9080_cryptolocker.exe
Size

50KB
MD5

ad978f376f230e7e22ebb33bd45b9080
SHA1

68385529c7bbf2a3b603fa7068c1ab23e479e440
SHA256

5ceb195c3fcb54b6893df36836d4f6fd38b53d6f515b0b6eb982c042c6929b0e
SHA512

7d09915d6ef59141178605c290e5f9a18f64ef61e110b64c60c17f88ae61d0143eb0b3fa6b1e10362685e5d135a164cfc34e3456465d824c9b302179c2fcf98a
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vaToguMyI:X6QFElP6n+gJBMOtEvwDpjBtEJNMJ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012246-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012246-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3036	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
3032	2024-01-28_ad978f376f230e7e22ebb33bd45b9080_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 3032 wrote to memory of 3036	3032	2024-01-28_ad978f376f230e7e22ebb33bd45b9080_cryptolocker.exe	28
PID 3032 wrote to memory of 3036	3032	2024-01-28_ad978f376f230e7e22ebb33bd45b9080_cryptolocker.exe	28
PID 3032 wrote to memory of 3036	3032	2024-01-28_ad978f376f230e7e22ebb33bd45b9080_cryptolocker.exe	28
PID 3032 wrote to memory of 3036	3032	2024-01-28_ad978f376f230e7e22ebb33bd45b9080_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-28_ad978f376f230e7e22ebb33bd45b9080_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-28_ad978f376f230e7e22ebb33bd45b9080_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3036

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
50KB

MD5
712b2566c5376cb8d70413f21f422240

SHA1
9c8e49b615192a4ef909db51a53c9196854d5b1a

SHA256
7ef538af2f205440aff8941e5bc873a221377cefe7121e8b7bc594546374b5d5

SHA512
1f26800bfa666cc4901efec2cb7682316e1abb1d67bdd2afb1c089872121bb104c85e696f6a4fd61f095900018d053bce71fd7088cd90798d25fc3febd41ee07

Download Submit
memory/3032-0-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/3032-2-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/3032-1-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/3036-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/3036-17-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download