7d49e14fe8fc14f0ff5eb4642b1867ec755826614792bac6f1ce88060b39e5ef

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240319-en
resource tags

arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
submitted
26/03/2024, 03:08

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General

Target

2024-03-26_ffadf366f3af35c2a2271688cf0d94be_cryptolocker.exe
Size

50KB
MD5

ffadf366f3af35c2a2271688cf0d94be
SHA1

2389f0ebb4c72a6657521c5c425998fed805e617
SHA256

7d49e14fe8fc14f0ff5eb4642b1867ec755826614792bac6f1ce88060b39e5ef
SHA512

6a80a8d72d83270811b7ba6a0e293554a139f7d1fd4dcbd5d3d65c36b1e47707f81dd0522b1aeade2248128f8d13d24b44fe0090de105f3a6c8ced02502241c4
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcXav:X6QFElP6n+gJBMOtEvwDpjBtExmlB

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000700000001220a-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000700000001220a-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2940	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2128	2024-03-26_ffadf366f3af35c2a2271688cf0d94be_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 2128 wrote to memory of 2940	2128	2024-03-26_ffadf366f3af35c2a2271688cf0d94be_cryptolocker.exe	28
PID 2128 wrote to memory of 2940	2128	2024-03-26_ffadf366f3af35c2a2271688cf0d94be_cryptolocker.exe	28
PID 2128 wrote to memory of 2940	2128	2024-03-26_ffadf366f3af35c2a2271688cf0d94be_cryptolocker.exe	28
PID 2128 wrote to memory of 2940	2128	2024-03-26_ffadf366f3af35c2a2271688cf0d94be_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-26_ffadf366f3af35c2a2271688cf0d94be_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-26_ffadf366f3af35c2a2271688cf0d94be_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2940

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
50KB

MD5
1af93a7dbfa1ad2ccd48d69526c7cc51

SHA1
92f2837fbc6bc8cf380331afb929c7e60c3cc5a9

SHA256
43a4751e5b4875b24e581beaa29d4763e5cfb40498858c029b4bd92c89486950

SHA512
09967590cf9474f563f2455545114f483766da9aa4ec4b0265c485e2503d4ee6347b79be7f356d8ae2575b130370e0c645620577d94c4eb9e5196315de394666

Download Submit
memory/2128-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2128-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2128-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2940-15-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2940-16-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download