23fda4d3d26ed2d8222ac9007c042eba394c3c4a2240a74eea9c28bfecdb8869

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
04/05/2024, 03:40

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General

Target

2024-05-04_c6ab5ceafe0f146e240774a5cee153cb_cryptolocker.exe
Size

52KB
MD5

c6ab5ceafe0f146e240774a5cee153cb
SHA1

7a36fcc2c802303f8adc50eaa1e1cd8f1aea3e93
SHA256

23fda4d3d26ed2d8222ac9007c042eba394c3c4a2240a74eea9c28bfecdb8869
SHA512

60cd8c3ac609938e4d1ffff9d3866047fb647129017b50b2a86a2971799dc38e62ad9a9b4953e269cf6c14306b704728a8fa2b8452f6258197965663802636d5
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9Xv+mb6uYGER:bIDOw9a0DwitDZzc161R

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012345-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2024	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2108	2024-05-04_c6ab5ceafe0f146e240774a5cee153cb_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 2108 wrote to memory of 2024	2108	2024-05-04_c6ab5ceafe0f146e240774a5cee153cb_cryptolocker.exe	28
PID 2108 wrote to memory of 2024	2108	2024-05-04_c6ab5ceafe0f146e240774a5cee153cb_cryptolocker.exe	28
PID 2108 wrote to memory of 2024	2108	2024-05-04_c6ab5ceafe0f146e240774a5cee153cb_cryptolocker.exe	28
PID 2108 wrote to memory of 2024	2108	2024-05-04_c6ab5ceafe0f146e240774a5cee153cb_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-04_c6ab5ceafe0f146e240774a5cee153cb_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-04_c6ab5ceafe0f146e240774a5cee153cb_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2024

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
52KB

MD5
39f7b1f0ecce1c9f45f7fcfe3cff521b

SHA1
4ef73148054905e81a136dabcbc28c3a9a1eab0f

SHA256
eb02b63713e6fca3333d53b8edeb44ec4fc9d9bdde0e39555d84a6bf7e2346fd

SHA512
88a524d0e733c0282b8d4dc07f67c3adf4681c846a7e2ae77524536b0015ccdac4ced230b0255628d184f9f3da15163035603a27728c3849a244999a62613be9

Download Submit
memory/2024-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2024-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2108-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2108-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2108-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download