177418186b7c8c9be66861ff9b6b455e67c5efdb3ba5a3414a93f385d6aba92b

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07/03/2024, 21:32

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General

Target

2024-03-07_6170084ffe307d946fae819d9453ac8d_cryptolocker.exe
Size

41KB
MD5

6170084ffe307d946fae819d9453ac8d
SHA1

84c6a1049d3900dfc54d0f61672d259f76ea2120
SHA256

177418186b7c8c9be66861ff9b6b455e67c5efdb3ba5a3414a93f385d6aba92b
SHA512

63791ca1b255578ca3c0a582a7ddfcd2409598ec03adaae1874f5290539259f8710e594b3960ae28b713cd2e1388b12d7731564182330b5b688b303a2413964c
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6Dy8POKy:bIDOw9a0Dwo3P1ojvUSDhE

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000900000001224e-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2540	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2252	2024-03-07_6170084ffe307d946fae819d9453ac8d_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 2252 wrote to memory of 2540	2252	2024-03-07_6170084ffe307d946fae819d9453ac8d_cryptolocker.exe	28
PID 2252 wrote to memory of 2540	2252	2024-03-07_6170084ffe307d946fae819d9453ac8d_cryptolocker.exe	28
PID 2252 wrote to memory of 2540	2252	2024-03-07_6170084ffe307d946fae819d9453ac8d_cryptolocker.exe	28
PID 2252 wrote to memory of 2540	2252	2024-03-07_6170084ffe307d946fae819d9453ac8d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-07_6170084ffe307d946fae819d9453ac8d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-07_6170084ffe307d946fae819d9453ac8d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2540

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\lossy.exe

Filesize
41KB

MD5
dbc6598acad844be614b9415039dc216

SHA1
3895b204e4ebf6584c46bd33e195a6f9e8aa48f0

SHA256
9e210841fec01c5bfaf9adf27d93c4d49586e26defdd8f0e5b1b57e5f8d1d9af

SHA512
b209afc60574131596eadc62d7abfeab387f7700d8a9b6d784d6326bcc9c5e15b0ff7c7824a2932a07ba3d5d56d8f32bd239383d0456f930c5c79788dd9412d9

Download Submit
memory/2252-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2252-1-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2252-4-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2540-15-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download