1b45360fd49207460e4f0df2f5f04a6f36292ea2dbdcb8555097fbb55273a3bc

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17-05-2024 14:53

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General

Target

2024-05-17_7c4def41d50c001bd5aefaa731ffd458_cryptolocker.exe
Size

86KB
MD5

7c4def41d50c001bd5aefaa731ffd458
SHA1

706d30c21bf3fc38c8c2dbf47a564b8310adbfdc
SHA256

1b45360fd49207460e4f0df2f5f04a6f36292ea2dbdcb8555097fbb55273a3bc
SHA512

792ea4d31b800cc38ac1e05cf85cad280af54ef96f34ff870afab147dba4eedc8452a2cacca964a17b49a8d3ff5a96af7c7d6d64d78804d8f7b7a4bc2244c909
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNBM:vCjsIOtEvwDpj5H9YvQd2E

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000015d79-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000015d79-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1200	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2780	2024-05-17_7c4def41d50c001bd5aefaa731ffd458_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 2780 wrote to memory of 1200	2780	2024-05-17_7c4def41d50c001bd5aefaa731ffd458_cryptolocker.exe	28
PID 2780 wrote to memory of 1200	2780	2024-05-17_7c4def41d50c001bd5aefaa731ffd458_cryptolocker.exe	28
PID 2780 wrote to memory of 1200	2780	2024-05-17_7c4def41d50c001bd5aefaa731ffd458_cryptolocker.exe	28
PID 2780 wrote to memory of 1200	2780	2024-05-17_7c4def41d50c001bd5aefaa731ffd458_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-17_7c4def41d50c001bd5aefaa731ffd458_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-17_7c4def41d50c001bd5aefaa731ffd458_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1200

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\misid.exe

Filesize
86KB

MD5
4d51372c8aa9485bdaa42d809b0ec266

SHA1
b84dd2f8287e526720435388fe54649e761262ef

SHA256
93287e6ad91aa12b0d94e610308e545c87ae241f0d3c0ae94d87e70db713b0df

SHA512
f7522d366a6fbeb97c40792583c8eed864547e7b3c0042f197538dd5238fabf59b3e3f688f82f6f53e89600511f851a2f3373193bdc48a039b9e835503683c1c

Download Submit
memory/1200-15-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/1200-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2780-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2780-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2780-1-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download