f2a8924e8a23d4f32a523c805f28b109cb2037e1391740eaa0a9b4de1d97ac2b

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/03/2024, 19:51

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General

Target

2024-03-08_ebb3a70156868ad40d189fdbc99ab442_cryptolocker.exe
Size

47KB
MD5

ebb3a70156868ad40d189fdbc99ab442
SHA1

9e0b4536ca25ef4a495a95fa70639b25f423ca1b
SHA256

f2a8924e8a23d4f32a523c805f28b109cb2037e1391740eaa0a9b4de1d97ac2b
SHA512

26e7aa8d3ea24e706ce7faa83f085b46d3258837d329792ab1392c5d0c07451c52afb0dd7c0efb854c5a5717078ab77dd02a1c13352bfcf2a6b85eeb0082bfd4
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6D8jnPx9UnuCmGsl:bIDOw9a0Dwo3P1ojvUSD4PInrmV

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001224e-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2300	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
1812	2024-03-08_ebb3a70156868ad40d189fdbc99ab442_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 1812 wrote to memory of 2300	1812	2024-03-08_ebb3a70156868ad40d189fdbc99ab442_cryptolocker.exe	28
PID 1812 wrote to memory of 2300	1812	2024-03-08_ebb3a70156868ad40d189fdbc99ab442_cryptolocker.exe	28
PID 1812 wrote to memory of 2300	1812	2024-03-08_ebb3a70156868ad40d189fdbc99ab442_cryptolocker.exe	28
PID 1812 wrote to memory of 2300	1812	2024-03-08_ebb3a70156868ad40d189fdbc99ab442_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-08_ebb3a70156868ad40d189fdbc99ab442_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-08_ebb3a70156868ad40d189fdbc99ab442_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1812
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2300

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\lossy.exe

Filesize
47KB

MD5
2530924f1fb84ad5a224afe530899ff7

SHA1
ed07f496b6e60c51f48214dc7aeca2087b4d6732

SHA256
88d7841acf700c083823c1f4db262a01b385fb9ac6d34ee1af341892a4ba68ed

SHA512
cd43ba33ba31b1c712131f4d42bead912c1ade15b64507e82f957de308595e0ba100ee6b00708fad1e11295d3ab21080ad7364d545b3e12f20c05ed80077a3c5

Download Submit
memory/1812-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1812-1-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1812-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2300-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2300-22-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download