ae3288a6c7da672d11872d1cb2453e7eef900af2c1521e725f62500628467394

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
16/08/2023, 18:24

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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
4664	asih.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1380-133-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/files/0x00070000000231e1-146.dat	upx
behavioral2/files/0x00070000000231e1-148.dat	upx
behavioral2/files/0x00070000000231e1-149.dat	upx
behavioral2/memory/4664-150-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/memory/1380-152-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral2/memory/4664-160-0x0000000000500000-0x000000000050F000-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 3 IoCs

description	pid	Process	procid_target
PID 1380 wrote to memory of 4664	1380	0daa840067e1bff6812f4f2067124cde_cryptolocker_JC.exe	81
PID 1380 wrote to memory of 4664	1380	0daa840067e1bff6812f4f2067124cde_cryptolocker_JC.exe	81
PID 1380 wrote to memory of 4664	1380	0daa840067e1bff6812f4f2067124cde_cryptolocker_JC.exe	81

C:\Users\Admin\AppData\Local\Temp\0daa840067e1bff6812f4f2067124cde_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\0daa840067e1bff6812f4f2067124cde_cryptolocker_JC.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1380
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:4664

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

Filesize
95KB

MD5
26939694cc08b2ec72b56dde9933eb9f

SHA1
10cc1dcec76a99e1813bee4cb4bb18816fcc220c

SHA256
83d85295544770cae9026950c252b1a595cf117fa5f8e977f048b4086fcee915

SHA512
96d9e2b3f1b49fddf346496f4cac78f2c74f96841577d86b5c5cd814d3438cada6b4e1c4c5032d3a0803324017a02d7720c00838cb6bdb86583ffb25d9a470cd

Download Submit
memory/1380-133-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1380-134-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1380-135-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1380-136-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/1380-152-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4664-150-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/4664-153-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/4664-154-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/4664-160-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download