c9aa5dc253264f3c11f4c87187ed9003bb83fb9382693aef3fdce55ac6f99cc6

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
22/01/2024, 21:32

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General

Target

1236c0ef970171094fba3b7895a4d3d9.exe
Size

37KB
MD5

1236c0ef970171094fba3b7895a4d3d9
SHA1

bca356e243b57232faabd82aaf1b94e9e620ce82
SHA256

c9aa5dc253264f3c11f4c87187ed9003bb83fb9382693aef3fdce55ac6f99cc6
SHA512

d4c56182e4206972bcd084f3e89bdc55c9f8267be7573840d64cb3301c044a8dfced474d024af78487ef0e30eb3837f02a059d409142481399d90cc8a77349fd
SSDEEP

384:QuSvEiTbTvpWNcZ0y8fvCv3v3cLkacJE0rAF+rMRTyN/0L+EcoinblneHQM3epzx:VS7TZ38fvCv3E1cprM+rMRa8NuUpit

Score

8^/10

evasion persistence

Malware Config

Signatures

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Windows Service

T1543.003

pid	Process
2616	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\be4d90616045e600dd4bbde5668f0c8e.exe	1236c0ef970171094fba3b7895a4d3d9.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\be4d90616045e600dd4bbde5668f0c8e.exe	1236c0ef970171094fba3b7895a4d3d9.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\be4d90616045e600dd4bbde5668f0c8e = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1236c0ef970171094fba3b7895a4d3d9.exe\" .."	1236c0ef970171094fba3b7895a4d3d9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\be4d90616045e600dd4bbde5668f0c8e = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\1236c0ef970171094fba3b7895a4d3d9.exe\" .."	1236c0ef970171094fba3b7895a4d3d9.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Drops autorun.inf file 1 TTPs 5 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File created	D:\autorun.inf	1236c0ef970171094fba3b7895a4d3d9.exe
File created	F:\autorun.inf	1236c0ef970171094fba3b7895a4d3d9.exe
File opened for modification	F:\autorun.inf	1236c0ef970171094fba3b7895a4d3d9.exe
File created	C:\autorun.inf	1236c0ef970171094fba3b7895a4d3d9.exe
File opened for modification	C:\autorun.inf	1236c0ef970171094fba3b7895a4d3d9.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2932	taskkill.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1988	1236c0ef970171094fba3b7895a4d3d9.exe

Suspicious use of AdjustPrivilegeToken 38 IoCs

description	pid	Process
Token: SeDebugPrivilege	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: SeDebugPrivilege	2932	taskkill.exe
Token: 33	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: SeIncBasePriorityPrivilege	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: 33	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: SeIncBasePriorityPrivilege	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: 33	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: SeIncBasePriorityPrivilege	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: 33	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: SeIncBasePriorityPrivilege	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: 33	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: SeIncBasePriorityPrivilege	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: 33	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: SeIncBasePriorityPrivilege	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: 33	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: SeIncBasePriorityPrivilege	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: 33	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: SeIncBasePriorityPrivilege	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: 33	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: SeIncBasePriorityPrivilege	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: 33	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: SeIncBasePriorityPrivilege	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: 33	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: SeIncBasePriorityPrivilege	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: 33	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: SeIncBasePriorityPrivilege	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: 33	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: SeIncBasePriorityPrivilege	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: 33	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: SeIncBasePriorityPrivilege	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: 33	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: SeIncBasePriorityPrivilege	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: 33	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: SeIncBasePriorityPrivilege	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: 33	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: SeIncBasePriorityPrivilege	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: 33	1988	1236c0ef970171094fba3b7895a4d3d9.exe
Token: SeIncBasePriorityPrivilege	1988	1236c0ef970171094fba3b7895a4d3d9.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 2616	1988	1236c0ef970171094fba3b7895a4d3d9.exe	28
PID 1988 wrote to memory of 2616	1988	1236c0ef970171094fba3b7895a4d3d9.exe	28
PID 1988 wrote to memory of 2616	1988	1236c0ef970171094fba3b7895a4d3d9.exe	28
PID 1988 wrote to memory of 2616	1988	1236c0ef970171094fba3b7895a4d3d9.exe	28
PID 1988 wrote to memory of 2932	1988	1236c0ef970171094fba3b7895a4d3d9.exe	30
PID 1988 wrote to memory of 2932	1988	1236c0ef970171094fba3b7895a4d3d9.exe	30
PID 1988 wrote to memory of 2932	1988	1236c0ef970171094fba3b7895a4d3d9.exe	30
PID 1988 wrote to memory of 2932	1988	1236c0ef970171094fba3b7895a4d3d9.exe	30

C:\Users\Admin\AppData\Local\Temp\1236c0ef970171094fba3b7895a4d3d9.exe
"C:\Users\Admin\AppData\Local\Temp\1236c0ef970171094fba3b7895a4d3d9.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Drops autorun.inf file
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1988
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\1236c0ef970171094fba3b7895a4d3d9.exe" "1236c0ef970171094fba3b7895a4d3d9.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  PID:2616
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /F /IM explorer.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

F:\svchost.exe

Filesize
37KB

MD5
1236c0ef970171094fba3b7895a4d3d9

SHA1
bca356e243b57232faabd82aaf1b94e9e620ce82

SHA256
c9aa5dc253264f3c11f4c87187ed9003bb83fb9382693aef3fdce55ac6f99cc6

SHA512
d4c56182e4206972bcd084f3e89bdc55c9f8267be7573840d64cb3301c044a8dfced474d024af78487ef0e30eb3837f02a059d409142481399d90cc8a77349fd

Download Submit
memory/1988-0-0x0000000074030000-0x00000000745DB000-memory.dmp

Filesize
5.7MB

Download
memory/1988-1-0x0000000074030000-0x00000000745DB000-memory.dmp

Filesize
5.7MB

Download
memory/1988-2-0x00000000001E0000-0x0000000000220000-memory.dmp

Filesize
256KB

Download
memory/1988-12-0x0000000074030000-0x00000000745DB000-memory.dmp

Filesize
5.7MB

Download
memory/1988-13-0x0000000074030000-0x00000000745DB000-memory.dmp

Filesize
5.7MB

Download
memory/1988-14-0x00000000001E0000-0x0000000000220000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads