05fa2ec1e6a375fa09eda8ec8d8d48e3f9a968a858837513e61df7a75b20ca25

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
27/01/2024, 04:37

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General

Target

2024-01-27_c1d7dac3a7f212dbc4483a91e15d7587_cryptolocker.exe
Size

40KB
MD5

c1d7dac3a7f212dbc4483a91e15d7587
SHA1

ad7a2057e8bb93fdadcdf5cda5222c6a4ddd6735
SHA256

05fa2ec1e6a375fa09eda8ec8d8d48e3f9a968a858837513e61df7a75b20ca25
SHA512

e2ab3edb893f0e115c2a921a09e39a4653cf063d3613af7e16c891017b0c201c19e423e8d0897833653936e6f289c1680032a3615b5d44b1ab7db784b729da1f
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6Dy8PEk:bIDOw9a0Dwo3P1ojvUSDhck

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012266-13.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2252	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2184	2024-01-27_c1d7dac3a7f212dbc4483a91e15d7587_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 2184 wrote to memory of 2252	2184	2024-01-27_c1d7dac3a7f212dbc4483a91e15d7587_cryptolocker.exe	28
PID 2184 wrote to memory of 2252	2184	2024-01-27_c1d7dac3a7f212dbc4483a91e15d7587_cryptolocker.exe	28
PID 2184 wrote to memory of 2252	2184	2024-01-27_c1d7dac3a7f212dbc4483a91e15d7587_cryptolocker.exe	28
PID 2184 wrote to memory of 2252	2184	2024-01-27_c1d7dac3a7f212dbc4483a91e15d7587_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-27_c1d7dac3a7f212dbc4483a91e15d7587_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-27_c1d7dac3a7f212dbc4483a91e15d7587_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2252

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

C:\Users\Admin\AppData\Local\Temp\lossy.exe

Filesize
40KB

MD5
76c08a319a202cb5479752de828846fd

SHA1
ad3c1cf6c55bbbc982a0d9ce92cb47b434e1827b

SHA256
846d5c72b3fb9a47cf76aa9e6626f792c9a9129d01f67a1552a957dde20dfa93

SHA512
d8b1d230b8836842eecc2505f80d3234be14c6b57dc5b9e232bf93ad80dc1126383831e96e5f69b3443b1325f547e48aa6adf294eedd7728ea5a646c8b6048cd

Download Submit
memory/2184-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2184-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2184-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2252-15-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/2252-22-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download