378dccda1ee1a057d8b493d050325ad90975240cc777a7746b4aee44d4dacd86

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
17-05-2024 05:32

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General

Target

2024-05-17_5296b97ebdac2d9ba3dde3d82e04956f_cryptolocker.exe
Size

45KB
MD5

5296b97ebdac2d9ba3dde3d82e04956f
SHA1

c127e02967729ab5960c0c64d7bb03b7835b556d
SHA256

378dccda1ee1a057d8b493d050325ad90975240cc777a7746b4aee44d4dacd86
SHA512

1472a779d85803b68602ff2fae22f5d4b8af3d9df3f7a2a9c441b84a19916af41928b86d66b798063db351584bc732ca4c08d6908aee14c5b436491640d35434
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzfm0EXsp3a:V6QFElP6n+gMQMOtEvwDpjyaYaFAh3j

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000122ee-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000122ee-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2260	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1148	2024-05-17_5296b97ebdac2d9ba3dde3d82e04956f_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 1148 wrote to memory of 2260	1148	2024-05-17_5296b97ebdac2d9ba3dde3d82e04956f_cryptolocker.exe	28
PID 1148 wrote to memory of 2260	1148	2024-05-17_5296b97ebdac2d9ba3dde3d82e04956f_cryptolocker.exe	28
PID 1148 wrote to memory of 2260	1148	2024-05-17_5296b97ebdac2d9ba3dde3d82e04956f_cryptolocker.exe	28
PID 1148 wrote to memory of 2260	1148	2024-05-17_5296b97ebdac2d9ba3dde3d82e04956f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-17_5296b97ebdac2d9ba3dde3d82e04956f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-17_5296b97ebdac2d9ba3dde3d82e04956f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1148
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2260

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
45KB

MD5
5b806351cf2314a4e047998461e7d042

SHA1
cfdb868c6dac852da158e1ac2060ef7935e7dcf8

SHA256
26e1babfdfedaf205fee9e65a0671b6440cb1357d2a9f520613c37e29c2083b5

SHA512
0a2eeb40f5b3ea85614968fcabf58663d202eb3c17da06b6b47a46efb366797ab2406fbaf0cc1bc1ac7d9b8f7338b882270d5bccd91d87b83044c9216c7d6a97

Download Submit
memory/1148-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1148-2-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1148-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2260-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download