bc87fe928ae0192a255156c7d26ba9dd59b5553326f61c3fb2e855bfb68f7372

Analysis

max time kernel
143s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18/10/2024, 02:36

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General

Target

bc87fe928ae0192a255156c7d26ba9dd59b5553326f61c3fb2e855bfb68f7372.exe
Size

1.7MB
MD5

6608143604c2ad3f19690fe0f9966e10
SHA1

6266e58782b866b84363aef7709d7f205a710335
SHA256

bc87fe928ae0192a255156c7d26ba9dd59b5553326f61c3fb2e855bfb68f7372
SHA512

c2cc3f50efd9a1f70b195dd8580ae7ab5bfbe43849f095e6ec4d2034360e252c4ea77b6740d34c3eb3d94b20a26c761c5db6e04d037e6d83d30a7553ee58e98a
SSDEEP

49152:/SzQnyRCV4g0FI25aUs0orSdGlDSHk27Eaq:Y2V4g0FI25a5WdGlDSHB

Score

10^/10

discovery persistence

Malware Config

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 1720 created 3420	1720	bc87fe928ae0192a255156c7d26ba9dd59b5553326f61c3fb2e855bfb68f7372.exe	56

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rvdqnavuj = "C:\\Users\\Admin\\AppData\\Roaming\\Rvdqnavuj.exe"	bc87fe928ae0192a255156c7d26ba9dd59b5553326f61c3fb2e855bfb68f7372.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1720 set thread context of 3160	1720	bc87fe928ae0192a255156c7d26ba9dd59b5553326f61c3fb2e855bfb68f7372.exe	87

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bc87fe928ae0192a255156c7d26ba9dd59b5553326f61c3fb2e855bfb68f7372.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1720	bc87fe928ae0192a255156c7d26ba9dd59b5553326f61c3fb2e855bfb68f7372.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1720	bc87fe928ae0192a255156c7d26ba9dd59b5553326f61c3fb2e855bfb68f7372.exe
Token: SeDebugPrivilege	1720	bc87fe928ae0192a255156c7d26ba9dd59b5553326f61c3fb2e855bfb68f7372.exe
Token: SeDebugPrivilege	3160	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 3160	1720	bc87fe928ae0192a255156c7d26ba9dd59b5553326f61c3fb2e855bfb68f7372.exe	87
PID 1720 wrote to memory of 3160	1720	bc87fe928ae0192a255156c7d26ba9dd59b5553326f61c3fb2e855bfb68f7372.exe	87
PID 1720 wrote to memory of 3160	1720	bc87fe928ae0192a255156c7d26ba9dd59b5553326f61c3fb2e855bfb68f7372.exe	87
PID 1720 wrote to memory of 3160	1720	bc87fe928ae0192a255156c7d26ba9dd59b5553326f61c3fb2e855bfb68f7372.exe	87
PID 1720 wrote to memory of 3160	1720	bc87fe928ae0192a255156c7d26ba9dd59b5553326f61c3fb2e855bfb68f7372.exe	87
PID 1720 wrote to memory of 3160	1720	bc87fe928ae0192a255156c7d26ba9dd59b5553326f61c3fb2e855bfb68f7372.exe	87
PID 1720 wrote to memory of 3160	1720	bc87fe928ae0192a255156c7d26ba9dd59b5553326f61c3fb2e855bfb68f7372.exe	87
PID 1720 wrote to memory of 3160	1720	bc87fe928ae0192a255156c7d26ba9dd59b5553326f61c3fb2e855bfb68f7372.exe	87

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3420
- C:\Users\Admin\AppData\Local\Temp\bc87fe928ae0192a255156c7d26ba9dd59b5553326f61c3fb2e855bfb68f7372.exe
  "C:\Users\Admin\AppData\Local\Temp\bc87fe928ae0192a255156c7d26ba9dd59b5553326f61c3fb2e855bfb68f7372.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1720
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1720-0-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/1720-1-0x0000000000FD0000-0x0000000001184000-memory.dmp

Filesize
1.7MB

Download
memory/1720-3-0x0000000005B40000-0x0000000005CEA000-memory.dmp

Filesize
1.7MB

Download
memory/1720-2-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/1720-4-0x0000000005CF0000-0x0000000005E9A000-memory.dmp

Filesize
1.7MB

Download
memory/1720-14-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-16-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-62-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-68-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-66-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-64-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-60-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-58-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-56-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-54-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-50-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-48-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-47-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-44-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-42-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-40-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-38-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-36-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-34-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-32-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-30-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-28-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-26-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-24-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-22-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-20-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-19-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-12-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-52-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-10-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-8-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-6-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-5-0x0000000005CF0000-0x0000000005E95000-memory.dmp

Filesize
1.6MB

Download
memory/1720-1077-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/1720-1078-0x00000000061A0000-0x00000000062C6000-memory.dmp

Filesize
1.1MB

Download
memory/1720-1079-0x0000000006030000-0x000000000607C000-memory.dmp

Filesize
304KB

Download
memory/1720-1083-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/1720-1084-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/1720-1085-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/1720-1086-0x0000000006A90000-0x0000000007034000-memory.dmp

Filesize
5.6MB

Download
memory/1720-1087-0x00000000064E0000-0x0000000006534000-memory.dmp

Filesize
336KB

Download
memory/1720-1094-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/3160-1090-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/3160-1091-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/3160-1092-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/3160-1093-0x00000000054E0000-0x00000000055EE000-memory.dmp

Filesize
1.1MB

Download
memory/3160-3993-0x00000000056C0000-0x000000000575E000-memory.dmp

Filesize
632KB

Download
memory/3160-3994-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download