e2fdbcb2a80d7b2bca9ada4a598a9fef88bfdb4b02f45bb190a2c5d3079e2a2b

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
15/04/2024, 11:55

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General

Target

2024-04-15_ae90d7e689aca7f21da27c1eab33faf8_cryptolocker.exe
Size

50KB
MD5

ae90d7e689aca7f21da27c1eab33faf8
SHA1

95a806990291773c8297d3e7cb4d0440832454a3
SHA256

e2fdbcb2a80d7b2bca9ada4a598a9fef88bfdb4b02f45bb190a2c5d3079e2a2b
SHA512

3f9921a3e8e19ebcd91957b110692930949eead795e0ebb631318e95ece924cdfedf7faa98f82c8c2e26a80ea4465f1a2e262fb50908177a1d140217d56c8bc7
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxX:X6QFElP6n+gJBMOtEvwDpjBtExX

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000013a71-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000013a71-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3056	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2128	2024-04-15_ae90d7e689aca7f21da27c1eab33faf8_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 2128 wrote to memory of 3056	2128	2024-04-15_ae90d7e689aca7f21da27c1eab33faf8_cryptolocker.exe	28
PID 2128 wrote to memory of 3056	2128	2024-04-15_ae90d7e689aca7f21da27c1eab33faf8_cryptolocker.exe	28
PID 2128 wrote to memory of 3056	2128	2024-04-15_ae90d7e689aca7f21da27c1eab33faf8_cryptolocker.exe	28
PID 2128 wrote to memory of 3056	2128	2024-04-15_ae90d7e689aca7f21da27c1eab33faf8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-15_ae90d7e689aca7f21da27c1eab33faf8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-15_ae90d7e689aca7f21da27c1eab33faf8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3056

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
20fb714bef77ece4bedcd51931f3c093

SHA1
a038dc968f9041f6014eda2d53c8774c6814713d

SHA256
8c7091b5430ba165761f88783177b89cb5809bb3d3f18fa096dbf9db5b7568ac

SHA512
4853f133994a98e7d17dfaeb29db96aa20c1ac043f854c5e0279e44efe8bb79c6cfe906cc1f3f0e4f7e506d04c9f3430c7af5ead1eb63dbbeed670522e7d42f1

Download Submit
memory/2128-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2128-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2128-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3056-15-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/3056-19-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download