5e026dbd344969636d95e0dc559fff9ec353fea0e4cd16276a38ed27d6f357f9

Analysis

max time kernel
120s
max time network
129s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/02/2024, 05:12

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General

Target

2024-02-25_d725755fbb10f0e9a530bd6dba3f90a8_cryptolocker.exe
Size

42KB
MD5

d725755fbb10f0e9a530bd6dba3f90a8
SHA1

ea4e9fb5ddfdf5657cd42601dd36400957da2e66
SHA256

5e026dbd344969636d95e0dc559fff9ec353fea0e4cd16276a38ed27d6f357f9
SHA512

23fcf02910fd0b7379083a2f21487c9b4f380357ba34e26355a24e541c46aa994c8be04f4ec988739986b3d92b2f433ac0714fadeedc22bf7b0a4d9344300a15
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiJXxXunrkwIxZWQpyN:btB9g/WItCSsAGjX7e9N0hunrknlO

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012272-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2188	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2144	2024-02-25_d725755fbb10f0e9a530bd6dba3f90a8_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2144	2024-02-25_d725755fbb10f0e9a530bd6dba3f90a8_cryptolocker.exe
2188	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 2188	2144	2024-02-25_d725755fbb10f0e9a530bd6dba3f90a8_cryptolocker.exe	28
PID 2144 wrote to memory of 2188	2144	2024-02-25_d725755fbb10f0e9a530bd6dba3f90a8_cryptolocker.exe	28
PID 2144 wrote to memory of 2188	2144	2024-02-25_d725755fbb10f0e9a530bd6dba3f90a8_cryptolocker.exe	28
PID 2144 wrote to memory of 2188	2144	2024-02-25_d725755fbb10f0e9a530bd6dba3f90a8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-25_d725755fbb10f0e9a530bd6dba3f90a8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-25_d725755fbb10f0e9a530bd6dba3f90a8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2144
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2188

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\gewos.exe

Filesize
42KB

MD5
700124749b1220c8425b875929818c2d

SHA1
a727cdec326a156e2b73d4e58972cebae8110d02

SHA256
61c8aa5751dec6512905b390ab217d4d86e906b358780a683c0c781ac7b83c8a

SHA512
e96ed881d548687d736c059f6066aa3755a8d3ef581219dee538fd300a6f4a551c79a50ad70145be2101bc45acb8e8aa71a1cbf182cf14008de1bd935bf490d1

Download Submit
memory/2144-0-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2144-2-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2144-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2188-18-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download