8dbdd1d4443ee13dfae9bfa2dc3e8bbccb3fe73def96eea8a99f086957d71396

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22-02-2024 07:27

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General

Target

2024-02-22_407d73c1fa51057c9d3c135be661138b_cryptolocker.exe
Size

46KB
MD5

407d73c1fa51057c9d3c135be661138b
SHA1

d98a78660fcc663c1ba3e6e1ccbf03f8c908a0f9
SHA256

8dbdd1d4443ee13dfae9bfa2dc3e8bbccb3fe73def96eea8a99f086957d71396
SHA512

ad060ee84719e665fa2ec3fa22f7b1e842a79e514438cc50bed86d208679b948ca652c94f52858669b289cb984866c0220848d594f4c89eec3acf7ecf0226e01
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu556Blg:X6QFElP6n+gJQMOtEvwDpjB0GIWSlg

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2888	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2752	2024-02-22_407d73c1fa51057c9d3c135be661138b_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 2752 wrote to memory of 2888	2752	2024-02-22_407d73c1fa51057c9d3c135be661138b_cryptolocker.exe	28
PID 2752 wrote to memory of 2888	2752	2024-02-22_407d73c1fa51057c9d3c135be661138b_cryptolocker.exe	28
PID 2752 wrote to memory of 2888	2752	2024-02-22_407d73c1fa51057c9d3c135be661138b_cryptolocker.exe	28
PID 2752 wrote to memory of 2888	2752	2024-02-22_407d73c1fa51057c9d3c135be661138b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-22_407d73c1fa51057c9d3c135be661138b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-22_407d73c1fa51057c9d3c135be661138b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2752
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2888

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
46KB

MD5
4f07dbdc45bd2a419bcc3e07a41ab561

SHA1
bb288c29e5a5415eaeb05e9b0557e5f6d6057d0a

SHA256
925507d9fe43e57cf69facec8e6443b89dacf156fb8882aca4d16a22b444b977

SHA512
c00d444262c107dfeb5f59ae4c15406636027e21f43717917530ea72ffb90b9c709d8f4ed9cd32d46095fca39af4bfc12334575de7f134ad0cbaf316af14b027

Download Submit
memory/2752-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2752-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2752-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2888-16-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2888-15-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download