09a01e8161071c3609e5c65008d413cc4cfef6190539a74b488485748438582e

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
27/04/2024, 08:26

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General

Target

2024-04-27_80b7866ea205a478efe3b6f4c749532d_cryptolocker.exe
Size

35KB
MD5

80b7866ea205a478efe3b6f4c749532d
SHA1

80cfd9b1d053ce7ae49935a852a7cba98b284b66
SHA256

09a01e8161071c3609e5c65008d413cc4cfef6190539a74b488485748438582e
SHA512

24cb961dc636717ca9254ef4ecd961134caf602fad9d8119e91d617a39f9409a5b28d43271c972ca70f329fcba12d5f7418881c0a672bdaf8c68ebaa78a8c895
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6ckJp0qAgmEzXKxA+uspNY:bAvJCYOOvbRPDEgXRc+BAILYY

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000014b31-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3008	demka.exe

Loads dropped DLL 1 IoCs

pid	Process
2368	2024-04-27_80b7866ea205a478efe3b6f4c749532d_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2368	2024-04-27_80b7866ea205a478efe3b6f4c749532d_cryptolocker.exe
3008	demka.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 3008	2368	2024-04-27_80b7866ea205a478efe3b6f4c749532d_cryptolocker.exe	28
PID 2368 wrote to memory of 3008	2368	2024-04-27_80b7866ea205a478efe3b6f4c749532d_cryptolocker.exe	28
PID 2368 wrote to memory of 3008	2368	2024-04-27_80b7866ea205a478efe3b6f4c749532d_cryptolocker.exe	28
PID 2368 wrote to memory of 3008	2368	2024-04-27_80b7866ea205a478efe3b6f4c749532d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-27_80b7866ea205a478efe3b6f4c749532d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-27_80b7866ea205a478efe3b6f4c749532d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Users\Admin\AppData\Local\Temp\demka.exe
  "C:\Users\Admin\AppData\Local\Temp\demka.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:3008

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\demka.exe

Filesize
35KB

MD5
a1d935ca381385a245b6959f1ebfb22d

SHA1
c42de23369a13b31262be1230c84664305d00770

SHA256
531f47f7e5ce58f1eeacb86fdb6a8d3b6a6534d64b8380eb3d2a3f8f4dd5cbb4

SHA512
c3d84b3145c41e46116f47bf3c562172c8d0d0a7c6297a5dea8601bc9e8cd135f0a7e64dbff6992d38e6208270de2abef11361d2e2220f4838bd22e5343da82f

Download Submit
memory/2368-0-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/2368-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2368-1-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/3008-23-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download