d5f5db97dad6ee49d5a5177141447b09c4c44e6901ad2d44d083d986b2d3d9ad

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/02/2024, 05:46

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General

Target

2024-02-22_6fdc1ab37ef2dcfac7575fb3e6025ec0_cryptolocker.exe
Size

66KB
MD5

6fdc1ab37ef2dcfac7575fb3e6025ec0
SHA1

1cf3bc5353454dc0f9a3c60a7369abb7e96c61f8
SHA256

d5f5db97dad6ee49d5a5177141447b09c4c44e6901ad2d44d083d986b2d3d9ad
SHA512

83e4a13f1a05d3173e3f5f0d43016a3ed23b45296765a7e25347477f77f4dcf70b10b02c270acbad27405a07ca2673839805cc9cabc4511b79586d0cca803266
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3hvLcbVE:ZVxkGOtEvwDpjcawq

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012241-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2056	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2208	2024-02-22_6fdc1ab37ef2dcfac7575fb3e6025ec0_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 2208 wrote to memory of 2056	2208	2024-02-22_6fdc1ab37ef2dcfac7575fb3e6025ec0_cryptolocker.exe	28
PID 2208 wrote to memory of 2056	2208	2024-02-22_6fdc1ab37ef2dcfac7575fb3e6025ec0_cryptolocker.exe	28
PID 2208 wrote to memory of 2056	2208	2024-02-22_6fdc1ab37ef2dcfac7575fb3e6025ec0_cryptolocker.exe	28
PID 2208 wrote to memory of 2056	2208	2024-02-22_6fdc1ab37ef2dcfac7575fb3e6025ec0_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-22_6fdc1ab37ef2dcfac7575fb3e6025ec0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-22_6fdc1ab37ef2dcfac7575fb3e6025ec0_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2056

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
66KB

MD5
d7a2ad74258cea8f01a62525f9b36b11

SHA1
e05e43e2f54761d312273e19f1b95733dac12fad

SHA256
a50529cd921be346c4cfbe6d65fb6548fc0fe6dbb17d07052b02d0d9cffe474e

SHA512
38eb3cae5a8e4195f28d5bfaf03167055ffb44f13c84620f53b27e7109b5f17fb5bd061bdcb0a8864eddb65ae692507b356843e1f09f856bf875c0ae83df6941

Download Submit
memory/2056-16-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2056-19-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2208-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2208-1-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/2208-2-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/2208-5-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download