df1c081ef7f2f3dbbb1a8cc41d0e1e95690e2604d091825d4416f2d845280393

Analysis

max time kernel
140s
max time network
151s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14-02-2024 16:29

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General

Target

2024-02-14_187e256f11e58ec5effa4fca53e7a93a_cryptolocker.exe
Size

126KB
MD5

187e256f11e58ec5effa4fca53e7a93a
SHA1

71a2bc421254c4e23446b99b259bdf9724159a1a
SHA256

df1c081ef7f2f3dbbb1a8cc41d0e1e95690e2604d091825d4416f2d845280393
SHA512

5e0fb571e944d2b4c156199d3c2c1508cd1d548d3803210ae5c100e16d6ee1a70ee2149b40cd09fe360b7d0b245c6c193a748f127a8f0b198b5790c971abb022
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBpa5:vCA9OtEvwDpjE

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001224c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001224c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2884	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2088	2024-02-14_187e256f11e58ec5effa4fca53e7a93a_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 2088 wrote to memory of 2884	2088	2024-02-14_187e256f11e58ec5effa4fca53e7a93a_cryptolocker.exe	28
PID 2088 wrote to memory of 2884	2088	2024-02-14_187e256f11e58ec5effa4fca53e7a93a_cryptolocker.exe	28
PID 2088 wrote to memory of 2884	2088	2024-02-14_187e256f11e58ec5effa4fca53e7a93a_cryptolocker.exe	28
PID 2088 wrote to memory of 2884	2088	2024-02-14_187e256f11e58ec5effa4fca53e7a93a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-14_187e256f11e58ec5effa4fca53e7a93a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-14_187e256f11e58ec5effa4fca53e7a93a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2884

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
126KB

MD5
d41f4c163b4b78a6089fd3e43f524745

SHA1
a4e281a72f576d2f5a6983a9ec6138c5b7f120d9

SHA256
02ca93fcfb397ede71916986afb9371b20685e48532ab7155012185872bb9f80

SHA512
7a56f17ea1e762b27ea87345895ac979fa84c9b6f038906fd99bfc39cfc400a38741313ad0062a023cb818aa6def31d1c333548a86783514a00f38474c001345

Download Submit
memory/2088-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2088-2-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2088-1-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2884-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2884-18-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download