df44309d16ae8834b856dbc950bbadfd04ddc671e5df1cf9c03f1e2f86339400

Analysis

max time kernel
171s
max time network
186s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26/03/2024, 17:26

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General

Target

2024-03-26_36373d568bd8470592e1e8e916f582f9_cryptolocker.exe
Size

80KB
MD5

36373d568bd8470592e1e8e916f582f9
SHA1

0591702b2648a6d40b30433802f83ce099adc36f
SHA256

df44309d16ae8834b856dbc950bbadfd04ddc671e5df1cf9c03f1e2f86339400
SHA512

c34fa3f20c3d87d7ff24400492d054bedaeac72570e0fe25bbcaa9bb40c7bce45dc68b348d08cd8949a4c69f1fba3c936e272f9a54a092f00ae02d8521780cb9
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMrX:TCjsIOtEvwDpj5HE/OUHnSM9

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/2296-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000c00000001339f-11.dat	CryptoLocker_rule2
behavioral1/memory/2848-16-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2296-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2848-25-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/2296-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000c00000001339f-11.dat	CryptoLocker_set1
behavioral1/memory/2848-16-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2296-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2848-25-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2848	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2296	2024-03-26_36373d568bd8470592e1e8e916f582f9_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 2296 wrote to memory of 2848	2296	2024-03-26_36373d568bd8470592e1e8e916f582f9_cryptolocker.exe	27
PID 2296 wrote to memory of 2848	2296	2024-03-26_36373d568bd8470592e1e8e916f582f9_cryptolocker.exe	27
PID 2296 wrote to memory of 2848	2296	2024-03-26_36373d568bd8470592e1e8e916f582f9_cryptolocker.exe	27
PID 2296 wrote to memory of 2848	2296	2024-03-26_36373d568bd8470592e1e8e916f582f9_cryptolocker.exe	27

C:\Users\Admin\AppData\Local\Temp\2024-03-26_36373d568bd8470592e1e8e916f582f9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-26_36373d568bd8470592e1e8e916f582f9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2848

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
81KB

MD5
f4aabe6a4f69695f3fa5823f9626592e

SHA1
3ec2ce58ada22fbdefd910aa4ce7486a994bbb0e

SHA256
03125e40a843de01c20ad4d39960d9d5c7dd8c9d178cabede2abc5da092e00f2

SHA512
827ab569fc58862117fcdec4fb8f347a53b1426062a89e8e9e0e921ebcbe2715c4a4b67655dd35e9422ed6d3395cb9feca18ade9ea8c4b9d5ede8a649a03d4b4

Download Submit
memory/2296-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2296-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2296-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2296-2-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2296-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2848-16-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2848-18-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2848-25-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download