3cefc76dc59f54df0dfa41fa9b65ff06d4d4e1e5b4bca91db1370b2cf582a826

Resubmissions

25-12-2024 10:23

241225-mexbtsskel 10

24-12-2024 21:01

241224-zt1c9axlbs 10

Analysis

max time kernel
98s
max time network
110s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 21:01

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General

Target

RG Launcher v2.150.exe
Size

178.1MB
MD5

cbaedbb56be67ae226275a73d680b0de
SHA1

978dd3afac1f1e2e0e0c407d40827ca641b03d5a
SHA256

3cefc76dc59f54df0dfa41fa9b65ff06d4d4e1e5b4bca91db1370b2cf582a826
SHA512

b7a015fdd4e1facf267645082c747c4ef2d7a94ea5c11ccceaaa89ab304776ac0b95a6b464308acd8646835584cf09a47a396970a2cc232bbac2cd124284f600
SSDEEP

786432:qC+zTLKV+8ym5CqWpQshx4i9vnrX5h9vSIii4h4euGlNTqu1idDf47lscee9:qTTG/PkDzr9v/FpiZhOGlNGbcT

Score

10^/10

discovery

Malware Config

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 540 created 2492	540	RegAsm.exe	42

Downloads MZ/PE file

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	RG Launcher v2.150.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2348 set thread context of 540	2348	RG Launcher v2.150.exe	91
PID 2348 set thread context of 1856	2348	RG Launcher v2.150.exe	99

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1360	540	WerFault.exe	91
3068	540	WerFault.exe	91

System Location Discovery: System Language Discovery 1 TTPs 3 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	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	RG Launcher v2.150.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	RG Launcher v2.150.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	RG Launcher v2.150.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
540	RegAsm.exe
540	RegAsm.exe
540	RegAsm.exe
540	RegAsm.exe
2384	svchost.exe
2384	svchost.exe
2384	svchost.exe
2384	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2348	RG Launcher v2.150.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 540	2348	RG Launcher v2.150.exe	91
PID 2348 wrote to memory of 540	2348	RG Launcher v2.150.exe	91
PID 2348 wrote to memory of 540	2348	RG Launcher v2.150.exe	91
PID 2348 wrote to memory of 540	2348	RG Launcher v2.150.exe	91
PID 2348 wrote to memory of 540	2348	RG Launcher v2.150.exe	91
PID 2348 wrote to memory of 540	2348	RG Launcher v2.150.exe	91
PID 2348 wrote to memory of 540	2348	RG Launcher v2.150.exe	91
PID 2348 wrote to memory of 540	2348	RG Launcher v2.150.exe	91
PID 2348 wrote to memory of 540	2348	RG Launcher v2.150.exe	91
PID 2348 wrote to memory of 540	2348	RG Launcher v2.150.exe	91
PID 540 wrote to memory of 2384	540	RegAsm.exe	92
PID 540 wrote to memory of 2384	540	RegAsm.exe	92
PID 540 wrote to memory of 2384	540	RegAsm.exe	92
PID 540 wrote to memory of 2384	540	RegAsm.exe	92
PID 540 wrote to memory of 2384	540	RegAsm.exe	92
PID 2348 wrote to memory of 628	2348	RG Launcher v2.150.exe	98
PID 2348 wrote to memory of 628	2348	RG Launcher v2.150.exe	98
PID 2348 wrote to memory of 628	2348	RG Launcher v2.150.exe	98
PID 2348 wrote to memory of 1856	2348	RG Launcher v2.150.exe	99
PID 2348 wrote to memory of 1856	2348	RG Launcher v2.150.exe	99
PID 2348 wrote to memory of 1856	2348	RG Launcher v2.150.exe	99
PID 2348 wrote to memory of 1856	2348	RG Launcher v2.150.exe	99
PID 2348 wrote to memory of 1856	2348	RG Launcher v2.150.exe	99
PID 2348 wrote to memory of 1856	2348	RG Launcher v2.150.exe	99
PID 2348 wrote to memory of 1856	2348	RG Launcher v2.150.exe	99
PID 2348 wrote to memory of 1856	2348	RG Launcher v2.150.exe	99
PID 2348 wrote to memory of 1856	2348	RG Launcher v2.150.exe	99
PID 2348 wrote to memory of 1856	2348	RG Launcher v2.150.exe	99

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2492
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\System32\svchost.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2384

C:\Users\Admin\AppData\Local\Temp\RG Launcher v2.150.exe
"C:\Users\Admin\AppData\Local\Temp\RG Launcher v2.150.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:540
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 540 -s 600
    3⤵
    - Program crash
    PID:1360
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 540 -s 596
    3⤵
    - Program crash
    PID:3068
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:628
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 540 -ip 540
1⤵
PID:2932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 540 -ip 540
1⤵
PID:4836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

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/540-16-0x0000000075730000-0x0000000075945000-memory.dmp

Filesize
2.1MB

Download
memory/540-4-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/540-6-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/540-7-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/540-8-0x0000000001110000-0x0000000001191000-memory.dmp

Filesize
516KB

Download
memory/540-11-0x0000000002B60000-0x0000000002F60000-memory.dmp

Filesize
4.0MB

Download
memory/540-12-0x0000000002B60000-0x0000000002F60000-memory.dmp

Filesize
4.0MB

Download
memory/540-10-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/540-9-0x0000000002B60000-0x0000000002F60000-memory.dmp

Filesize
4.0MB

Download
memory/540-14-0x0000000002B60000-0x0000000002F60000-memory.dmp

Filesize
4.0MB

Download
memory/540-13-0x00007FFC553D0000-0x00007FFC555C5000-memory.dmp

Filesize
2.0MB

Download
memory/540-5-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/540-26-0x0000000002B60000-0x0000000002F60000-memory.dmp

Filesize
4.0MB

Download
memory/1856-28-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1856-27-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1856-30-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1856-29-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2384-19-0x0000000001520000-0x0000000001920000-memory.dmp

Filesize
4.0MB

Download
memory/2384-21-0x00007FFC553D0000-0x00007FFC555C5000-memory.dmp

Filesize
2.0MB

Download
memory/2384-24-0x0000000075730000-0x0000000075945000-memory.dmp

Filesize
2.1MB

Download
memory/2384-22-0x0000000001520000-0x0000000001920000-memory.dmp

Filesize
4.0MB

Download
memory/2384-25-0x0000000001520000-0x0000000001920000-memory.dmp

Filesize
4.0MB

Download
memory/2384-20-0x0000000001520000-0x0000000001920000-memory.dmp

Filesize
4.0MB

Download
memory/2384-17-0x0000000000D10000-0x0000000000D1A000-memory.dmp

Filesize
40KB

Download