7677b3fde28f21c68bd2ee34275ae36b95e8ddd92acae2e3b02321c92a046b4e

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
02/09/2023, 15:40

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General

Target

2023-08-22_3006469331ecd9638d8352d2c3e11275_cryptolocker_JC.exe
Size

30KB
MD5

3006469331ecd9638d8352d2c3e11275
SHA1

73799d7129b0055fce27981e5d882e883fc32018
SHA256

7677b3fde28f21c68bd2ee34275ae36b95e8ddd92acae2e3b02321c92a046b4e
SHA512

bab1839536972a736ddf1dc33513207decb4390ac2ba0b139e685b3250e40e04a25a83a3818539c7195059dd9e4b15f4b67623c4faed332b93484c377cac014e
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNa:btB9g/WItCSsAGjX7e9Na

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3028	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
1144	2023-08-22_3006469331ecd9638d8352d2c3e11275_cryptolocker_JC.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
1144	2023-08-22_3006469331ecd9638d8352d2c3e11275_cryptolocker_JC.exe
3028	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1144 wrote to memory of 3028	1144	2023-08-22_3006469331ecd9638d8352d2c3e11275_cryptolocker_JC.exe	28
PID 1144 wrote to memory of 3028	1144	2023-08-22_3006469331ecd9638d8352d2c3e11275_cryptolocker_JC.exe	28
PID 1144 wrote to memory of 3028	1144	2023-08-22_3006469331ecd9638d8352d2c3e11275_cryptolocker_JC.exe	28
PID 1144 wrote to memory of 3028	1144	2023-08-22_3006469331ecd9638d8352d2c3e11275_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\2023-08-22_3006469331ecd9638d8352d2c3e11275_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2023-08-22_3006469331ecd9638d8352d2c3e11275_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1144
- 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:3028

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

C:\Users\Admin\AppData\Local\Temp\gewos.exe

Filesize
31KB

MD5
790dc30cb921fc93538a80d5ae55e828

SHA1
b432ddf3f68d6404d16ca1dc9344827ef45f2fe5

SHA256
6b9e2e8c29202f59a084102617292c6d33c23b4346672c34702fbc1ee78950a6

SHA512
57a3562c0cffc6b9aec03b63e7ebb030a759b2b352977d7df59f4448e0de96c022405bca405df09b0096c350006fe56aa66125751c820aa5958e4298e9f29576

Download Submit
C:\Users\Admin\AppData\Local\Temp\gewos.exe

Filesize
31KB

MD5
790dc30cb921fc93538a80d5ae55e828

SHA1
b432ddf3f68d6404d16ca1dc9344827ef45f2fe5

SHA256
6b9e2e8c29202f59a084102617292c6d33c23b4346672c34702fbc1ee78950a6

SHA512
57a3562c0cffc6b9aec03b63e7ebb030a759b2b352977d7df59f4448e0de96c022405bca405df09b0096c350006fe56aa66125751c820aa5958e4298e9f29576

Download Submit
\Users\Admin\AppData\Local\Temp\gewos.exe

Filesize
31KB

MD5
790dc30cb921fc93538a80d5ae55e828

SHA1
b432ddf3f68d6404d16ca1dc9344827ef45f2fe5

SHA256
6b9e2e8c29202f59a084102617292c6d33c23b4346672c34702fbc1ee78950a6

SHA512
57a3562c0cffc6b9aec03b63e7ebb030a759b2b352977d7df59f4448e0de96c022405bca405df09b0096c350006fe56aa66125751c820aa5958e4298e9f29576

Download Submit
memory/1144-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1144-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1144-2-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/3028-16-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download