ed7522324ce0960601ee5ac27064617369b869a298796747b4ede2925fd5d1d9

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
26/03/2024, 21:27

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General

Target

2024-03-26_2b5e7e66cd70a4c14f3b87d9d0d4ba41_cryptolocker.exe
Size

53KB
MD5

2b5e7e66cd70a4c14f3b87d9d0d4ba41
SHA1

fbc1aaa7b72a59549f99825cb0b0d502f0b43740
SHA256

ed7522324ce0960601ee5ac27064617369b869a298796747b4ede2925fd5d1d9
SHA512

a46d5d8a6e1335fa35f04ef2f12023443f92abdcfdccfda7a860f855b478d29aacb3d9759755b56ac05d61b7f06965aa9823448eebfd20bfa312c446a1dff816
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vaTiSfQaV2Lv:X6QFElP6n+gJBMOtEvwDpjBtE1yILv

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d0000000122a8-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d0000000122a8-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1836	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2268	2024-03-26_2b5e7e66cd70a4c14f3b87d9d0d4ba41_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 2268 wrote to memory of 1836	2268	2024-03-26_2b5e7e66cd70a4c14f3b87d9d0d4ba41_cryptolocker.exe	28
PID 2268 wrote to memory of 1836	2268	2024-03-26_2b5e7e66cd70a4c14f3b87d9d0d4ba41_cryptolocker.exe	28
PID 2268 wrote to memory of 1836	2268	2024-03-26_2b5e7e66cd70a4c14f3b87d9d0d4ba41_cryptolocker.exe	28
PID 2268 wrote to memory of 1836	2268	2024-03-26_2b5e7e66cd70a4c14f3b87d9d0d4ba41_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-26_2b5e7e66cd70a4c14f3b87d9d0d4ba41_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-26_2b5e7e66cd70a4c14f3b87d9d0d4ba41_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1836

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\asih.exe

Filesize
53KB

MD5
8e085028110eba18d433d438963cc507

SHA1
665fb7628504bce2d101efd199a919763d79ffca

SHA256
38cc4f3d329c51f871a6ebe2904ac332b6a5a6238c4e3844f455814d6d2e0799

SHA512
8f5edf0a47d5bd3396d7bd82d083d972c1e5c8ee4c2da91327a7c26aa31a425c6771788e658ca808f621c9064a12b3708f5ca05b9961ebdaa711eadfb90694b1

Download Submit
memory/1836-15-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/1836-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2268-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2268-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2268-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download