01fee360079600b5c19925f286cfcaca3f61e40b2d0d778197fd5006f8c7020d

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21/05/2024, 21:21

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General

Target

2024-05-21_6af5c1277e67b2e13c89fa4ad8446ece_cryptolocker.exe
Size

390KB
MD5

6af5c1277e67b2e13c89fa4ad8446ece
SHA1

8e653114f59629fd134331779518ae1f9209a684
SHA256

01fee360079600b5c19925f286cfcaca3f61e40b2d0d778197fd5006f8c7020d
SHA512

4ff9bfbf460edb7200588bf850e2e4f72cbe3bb6350492da18d59ea6af7990cec0a9cb3697f8a62f7e38135190544ca1168cd57d341cfa42db17f1b62deba1b1
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXR2:nnOflT/ZFIjBz3xjTxynGUOUhXR2

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001445e-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3016	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2380	2024-05-21_6af5c1277e67b2e13c89fa4ad8446ece_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 2380 wrote to memory of 3016	2380	2024-05-21_6af5c1277e67b2e13c89fa4ad8446ece_cryptolocker.exe	28
PID 2380 wrote to memory of 3016	2380	2024-05-21_6af5c1277e67b2e13c89fa4ad8446ece_cryptolocker.exe	28
PID 2380 wrote to memory of 3016	2380	2024-05-21_6af5c1277e67b2e13c89fa4ad8446ece_cryptolocker.exe	28
PID 2380 wrote to memory of 3016	2380	2024-05-21_6af5c1277e67b2e13c89fa4ad8446ece_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-21_6af5c1277e67b2e13c89fa4ad8446ece_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-21_6af5c1277e67b2e13c89fa4ad8446ece_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:3016

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\hasfj.exe

Filesize
390KB

MD5
145d83b3ef2c32fc1b60ca3cfd05b57d

SHA1
da1178e88b577aba2d47cf82b0e475321d202bbf

SHA256
df111f4de920205a1adf38e2234b0cd842d996e5267a7a52727ab8bb3958be06

SHA512
fea43016b5ed2d3afe386c17ed8d1a25957eb64adcd7797182d3fcda6aab5850f33d1282f6bb39617d6e509da3cc7be3ea7195d297dc94c8ef1e64f192fb770b

Download Submit
memory/2380-8-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2380-1-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2380-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3016-15-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/3016-16-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download