d3cab709976536891c5efc408bb65d4903a8e12a05ac7a7f7e3974ef2af52b2b

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240319-en
resource tags

arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
submitted
18/04/2024, 10:41

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General

Target

2024-04-18_aede190998646101976f622d8d30782b_cryptolocker.exe
Size

102KB
MD5

aede190998646101976f622d8d30782b
SHA1

4349ffe6add0d9dfeba4f98e5f28435bc203ca05
SHA256

d3cab709976536891c5efc408bb65d4903a8e12a05ac7a7f7e3974ef2af52b2b
SHA512

735d2f193bcf3cda2f1bb94cf9f4dd69c3ea2e305c0994dccbbb6d438db17a567b2062e2c228213de22726adfafb6ce71889e484ed4e542d0125ca0b0bc46988
SSDEEP

768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJHlv/k2NMeo6:xj+VGMOtEvwDpjubwQEIiVmkxv/Lo6

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/2004-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000c0000000121c5-11.dat	CryptoLocker_rule2
behavioral1/memory/2004-15-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/312-16-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/312-26-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/2004-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000c0000000121c5-11.dat	CryptoLocker_set1
behavioral1/memory/2004-15-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral1/memory/312-16-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral1/memory/312-26-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral1/memory/2004-0-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000c0000000121c5-11.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2004-15-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/312-16-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/312-26-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

pid	Process
312	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2004	2024-04-18_aede190998646101976f622d8d30782b_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 2004 wrote to memory of 312	2004	2024-04-18_aede190998646101976f622d8d30782b_cryptolocker.exe	28
PID 2004 wrote to memory of 312	2004	2024-04-18_aede190998646101976f622d8d30782b_cryptolocker.exe	28
PID 2004 wrote to memory of 312	2004	2024-04-18_aede190998646101976f622d8d30782b_cryptolocker.exe	28
PID 2004 wrote to memory of 312	2004	2024-04-18_aede190998646101976f622d8d30782b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-18_aede190998646101976f622d8d30782b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-18_aede190998646101976f622d8d30782b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:312

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
102KB

MD5
843a029d7ef0eceb48c23ce3ac349d58

SHA1
ee00845054e5f0429e9293c46735464e7a315608

SHA256
c9ea0c919bb32c6e1855ab6613bf417e127677c07f5540748724b79f68205a0f

SHA512
ca6a3c06619e94699805a1e8a69094b16d5f0025a6bcb19becaab7ccb19e4d9685d1c367a87a90111add345b0216ca37e3e8ea2a7f95a9cf7fd85d978db53bf6

Download Submit
memory/312-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/312-19-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/312-18-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/312-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2004-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2004-1-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2004-2-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2004-3-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2004-15-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download