ae3288a6c7da672d11872d1cb2453e7eef900af2c1521e725f62500628467394

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
16/08/2023, 18:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

0daa840067e1bff6812f4f2067124cde_cryptolocker_JC.exe
Size

95KB
MD5

0daa840067e1bff6812f4f2067124cde
SHA1

9db6d07f47026e99237989e9d4fd5871f3967c20
SHA256

ae3288a6c7da672d11872d1cb2453e7eef900af2c1521e725f62500628467394
SHA512

114e555faaf2fbcb80f1d25b043359c8186bd616e2beff5fd1addb3f88830664149560cb75615aa94c232a9494986107e225157d049dbac276639575f6483849
SSDEEP

1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsvi5:AnBdOOtEvwDpj6zj

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1980	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1472	0daa840067e1bff6812f4f2067124cde_cryptolocker_JC.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1472-54-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x0008000000012026-65.dat	upx
behavioral1/files/0x0008000000012026-68.dat	upx
behavioral1/memory/1472-69-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/memory/1980-70-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x0008000000012026-79.dat	upx
behavioral1/memory/1980-80-0x0000000000500000-0x000000000050F000-memory.dmp	upx

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 1472 wrote to memory of 1980	1472	0daa840067e1bff6812f4f2067124cde_cryptolocker_JC.exe	28
PID 1472 wrote to memory of 1980	1472	0daa840067e1bff6812f4f2067124cde_cryptolocker_JC.exe	28
PID 1472 wrote to memory of 1980	1472	0daa840067e1bff6812f4f2067124cde_cryptolocker_JC.exe	28
PID 1472 wrote to memory of 1980	1472	0daa840067e1bff6812f4f2067124cde_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\0daa840067e1bff6812f4f2067124cde_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\0daa840067e1bff6812f4f2067124cde_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1472
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1980

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

Loading Replay Monitor...

Downloads

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

Filesize
95KB

MD5
26939694cc08b2ec72b56dde9933eb9f

SHA1
10cc1dcec76a99e1813bee4cb4bb18816fcc220c

SHA256
83d85295544770cae9026950c252b1a595cf117fa5f8e977f048b4086fcee915

SHA512
96d9e2b3f1b49fddf346496f4cac78f2c74f96841577d86b5c5cd814d3438cada6b4e1c4c5032d3a0803324017a02d7720c00838cb6bdb86583ffb25d9a470cd

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

Filesize
95KB

MD5
26939694cc08b2ec72b56dde9933eb9f

SHA1
10cc1dcec76a99e1813bee4cb4bb18816fcc220c

SHA256
83d85295544770cae9026950c252b1a595cf117fa5f8e977f048b4086fcee915

SHA512
96d9e2b3f1b49fddf346496f4cac78f2c74f96841577d86b5c5cd814d3438cada6b4e1c4c5032d3a0803324017a02d7720c00838cb6bdb86583ffb25d9a470cd

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

Filesize
95KB

MD5
26939694cc08b2ec72b56dde9933eb9f

SHA1
10cc1dcec76a99e1813bee4cb4bb18816fcc220c

SHA256
83d85295544770cae9026950c252b1a595cf117fa5f8e977f048b4086fcee915

SHA512
96d9e2b3f1b49fddf346496f4cac78f2c74f96841577d86b5c5cd814d3438cada6b4e1c4c5032d3a0803324017a02d7720c00838cb6bdb86583ffb25d9a470cd

Download Submit
memory/1472-54-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1472-57-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/1472-56-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1472-55-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/1472-69-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1980-70-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1980-73-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/1980-72-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1980-80-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download