81f7f65f317116b17f1b06091cf959bd415a95123925c50e58fc0c576e94d8a0

Analysis

max time kernel
186s
max time network
191s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
05/12/2022, 21:31

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General

Target

81f7f65f317116b17f1b06091cf959bd415a95123925c50e58fc0c576e94d8a0.exe
Size

92KB
MD5

d86e720a88533e62cadd418b2f2f7599
SHA1

4d4f7b9635ce2554e8bf9f57f970061a1f219191
SHA256

81f7f65f317116b17f1b06091cf959bd415a95123925c50e58fc0c576e94d8a0
SHA512

7a946ede59812f1f4dd3e460f81b2c610c27fafee12443586f4bd49e041e073a8c99da09da38362f6546fe3818f29c1d3f50c938754f0e9d21c55b17e2166887
SSDEEP

1536:/giuHKiksDOIeAMGXGyoI9y+kpFm94msrP9UnCcyUngZuc163Xqqi9T:YnKtsDOpAMGXGyoI9kpFm94msrP9UCc8

Score

8^/10

persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	REG.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\SystemService = "C:\\Users\\Admin\\AppData\\Local\\Temp\\gbot\\svchost.exe"	REG.exe

Executes dropped EXE 1 IoCs

pid	Process
228	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	81f7f65f317116b17f1b06091cf959bd415a95123925c50e58fc0c576e94d8a0.exe

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

System Information Discovery
T1082

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
4232	REG.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1784 wrote to memory of 228	1784	81f7f65f317116b17f1b06091cf959bd415a95123925c50e58fc0c576e94d8a0.exe	83
PID 1784 wrote to memory of 228	1784	81f7f65f317116b17f1b06091cf959bd415a95123925c50e58fc0c576e94d8a0.exe	83
PID 1784 wrote to memory of 228	1784	81f7f65f317116b17f1b06091cf959bd415a95123925c50e58fc0c576e94d8a0.exe	83
PID 228 wrote to memory of 4232	228	svchost.exe	84
PID 228 wrote to memory of 4232	228	svchost.exe	84
PID 228 wrote to memory of 4232	228	svchost.exe	84

C:\Users\Admin\AppData\Local\Temp\81f7f65f317116b17f1b06091cf959bd415a95123925c50e58fc0c576e94d8a0.exe
"C:\Users\Admin\AppData\Local\Temp\81f7f65f317116b17f1b06091cf959bd415a95123925c50e58fc0c576e94d8a0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1784
- C:\Users\Admin\AppData\Local\Temp\gbot\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\gbot\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:228
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run /V "SystemService" /D "C:\Users\Admin\AppData\Local\Temp\gbot\svchost.exe" /F
    3⤵
    - Adds policy Run key to start application
    - Modifies registry key
    PID:4232

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\gbot\svchost.exe

Filesize
92KB

MD5
d86e720a88533e62cadd418b2f2f7599

SHA1
4d4f7b9635ce2554e8bf9f57f970061a1f219191

SHA256
81f7f65f317116b17f1b06091cf959bd415a95123925c50e58fc0c576e94d8a0

SHA512
7a946ede59812f1f4dd3e460f81b2c610c27fafee12443586f4bd49e041e073a8c99da09da38362f6546fe3818f29c1d3f50c938754f0e9d21c55b17e2166887

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C:\Users\Admin\AppData\Local\Temp\gbot\svchost.exe

Filesize
92KB

MD5
d86e720a88533e62cadd418b2f2f7599

SHA1
4d4f7b9635ce2554e8bf9f57f970061a1f219191

SHA256
81f7f65f317116b17f1b06091cf959bd415a95123925c50e58fc0c576e94d8a0

SHA512
7a946ede59812f1f4dd3e460f81b2c610c27fafee12443586f4bd49e041e073a8c99da09da38362f6546fe3818f29c1d3f50c938754f0e9d21c55b17e2166887

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads