0001c1409b360fc8e1b6933d20c7bfa42e1f5d7bc1593a5057a96930e0b53488

Resubmissions

04/10/2023, 21:26

231004-1akzwsfb7v 9

23/02/2022, 01:55

220223-cchqjshhem 9

Analysis

max time kernel
91s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
23/02/2022, 01:55

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Report Analysis Logs

General

Target

0001c1409b360fc8e1b6933d20c7bfa42e1f5d7bc1593a5057a96930e0b53488.exe
Size

12.6MB
MD5

e63dc29b24934b64f077291d2eba75f2
SHA1

b1cdd6ccc14f5f65bef59975667d6306a1cd07b3
SHA256

0001c1409b360fc8e1b6933d20c7bfa42e1f5d7bc1593a5057a96930e0b53488
SHA512

b09df1937edc922a2d25bb3f60ac45f289db0a99fb0d0c581da10ff56237c3bd2012f02a28f1afae148dad2f744af86668b2a5e39f09aa286020d8c0221c9213

Score

9^/10

persistence spyware stealer upx

Malware Config

Signatures

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/files/0x000400000001ed31-160.dat	WebBrowserPassView
behavioral2/files/0x000400000001ed31-161.dat	WebBrowserPassView

Nirsoft 8 IoCs

resource	yara_rule
behavioral2/files/0x000500000001ed18-155.dat	Nirsoft
behavioral2/files/0x000500000001ed18-156.dat	Nirsoft
behavioral2/files/0x000400000001ed31-160.dat	Nirsoft
behavioral2/files/0x000400000001ed31-161.dat	Nirsoft
behavioral2/files/0x000400000001ed2a-168.dat	Nirsoft
behavioral2/files/0x000400000001ed2a-171.dat	Nirsoft
behavioral2/files/0x000400000001ed2f-175.dat	Nirsoft
behavioral2/files/0x000400000001ed2f-176.dat	Nirsoft

Executes dropped EXE 9 IoCs

pid	Process
3576	asdas.exe
3936	RtkBtManServ.exe
2996	sms.exe
2984	bfsvc.exe
3068	snuvcdsm.exe
3184	winhlp32.exe
644	splwow64.exe
3168	hh.exe
432	xwizard.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000500000001ed1a-165.dat	upx
behavioral2/files/0x000500000001ed1a-166.dat	upx
behavioral2/files/0x000500000001ed2e-167.dat	upx
behavioral2/files/0x000500000001ed2e-169.dat	upx

Checks computer location settings 2 TTPs 6 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-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	asdas.exe
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	RtkBtManServ.exe
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	WScript.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds 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\RunOnce	0001c1409b360fc8e1b6933d20c7bfa42e1f5d7bc1593a5057a96930e0b53488.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	0001c1409b360fc8e1b6933d20c7bfa42e1f5d7bc1593a5057a96930e0b53488.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 class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000_Classes\Local Settings	RtkBtManServ.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
3068	snuvcdsm.exe
3068	snuvcdsm.exe
3068	snuvcdsm.exe
3068	snuvcdsm.exe
3168	hh.exe
3168	hh.exe
432	xwizard.exe
432	xwizard.exe
432	xwizard.exe
432	xwizard.exe
432	xwizard.exe
432	xwizard.exe
432	xwizard.exe
432	xwizard.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3936	RtkBtManServ.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 3576	3012	0001c1409b360fc8e1b6933d20c7bfa42e1f5d7bc1593a5057a96930e0b53488.exe	62
PID 3012 wrote to memory of 3576	3012	0001c1409b360fc8e1b6933d20c7bfa42e1f5d7bc1593a5057a96930e0b53488.exe	62
PID 3012 wrote to memory of 3576	3012	0001c1409b360fc8e1b6933d20c7bfa42e1f5d7bc1593a5057a96930e0b53488.exe	62
PID 3576 wrote to memory of 3936	3576	asdas.exe	72
PID 3576 wrote to memory of 3936	3576	asdas.exe	72
PID 3012 wrote to memory of 2996	3012	0001c1409b360fc8e1b6933d20c7bfa42e1f5d7bc1593a5057a96930e0b53488.exe	73
PID 3012 wrote to memory of 2996	3012	0001c1409b360fc8e1b6933d20c7bfa42e1f5d7bc1593a5057a96930e0b53488.exe	73
PID 3936 wrote to memory of 2444	3936	RtkBtManServ.exe	77
PID 3936 wrote to memory of 2444	3936	RtkBtManServ.exe	77
PID 2444 wrote to memory of 3324	2444	WScript.exe	78
PID 2444 wrote to memory of 3324	2444	WScript.exe	78
PID 3324 wrote to memory of 2984	3324	cmd.exe	80
PID 3324 wrote to memory of 2984	3324	cmd.exe	80
PID 3324 wrote to memory of 2984	3324	cmd.exe	80
PID 3936 wrote to memory of 3524	3936	RtkBtManServ.exe	81
PID 3936 wrote to memory of 3524	3936	RtkBtManServ.exe	81
PID 3524 wrote to memory of 1292	3524	WScript.exe	82
PID 3524 wrote to memory of 1292	3524	WScript.exe	82
PID 1292 wrote to memory of 3068	1292	cmd.exe	84
PID 1292 wrote to memory of 3068	1292	cmd.exe	84
PID 1292 wrote to memory of 3068	1292	cmd.exe	84
PID 3936 wrote to memory of 3884	3936	RtkBtManServ.exe	86
PID 3936 wrote to memory of 3884	3936	RtkBtManServ.exe	86
PID 3884 wrote to memory of 3892	3884	WScript.exe	87
PID 3884 wrote to memory of 3892	3884	WScript.exe	87
PID 3892 wrote to memory of 3184	3892	cmd.exe	89
PID 3892 wrote to memory of 3184	3892	cmd.exe	89
PID 3892 wrote to memory of 3184	3892	cmd.exe	89
PID 3892 wrote to memory of 644	3892	cmd.exe	91
PID 3892 wrote to memory of 644	3892	cmd.exe	91
PID 3892 wrote to memory of 644	3892	cmd.exe	91
PID 3892 wrote to memory of 3168	3892	cmd.exe	90
PID 3892 wrote to memory of 3168	3892	cmd.exe	90
PID 3892 wrote to memory of 3168	3892	cmd.exe	90
PID 3936 wrote to memory of 3308	3936	RtkBtManServ.exe	92
PID 3936 wrote to memory of 3308	3936	RtkBtManServ.exe	92
PID 3308 wrote to memory of 3924	3308	WScript.exe	93
PID 3308 wrote to memory of 3924	3308	WScript.exe	93
PID 3924 wrote to memory of 432	3924	cmd.exe	95
PID 3924 wrote to memory of 432	3924	cmd.exe	95
PID 3924 wrote to memory of 432	3924	cmd.exe	95
PID 3936 wrote to memory of 840	3936	RtkBtManServ.exe	96
PID 3936 wrote to memory of 840	3936	RtkBtManServ.exe	96
PID 840 wrote to memory of 4024	840	cmd.exe	98
PID 840 wrote to memory of 4024	840	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\0001c1409b360fc8e1b6933d20c7bfa42e1f5d7bc1593a5057a96930e0b53488.exe
"C:\Users\Admin\AppData\Local\Temp\0001c1409b360fc8e1b6933d20c7bfa42e1f5d7bc1593a5057a96930e0b53488.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\asdas.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\asdas.exe
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:3576
- - C:\Users\Admin\AppData\Local\Temp\RtkBtManServ.exe
    "C:\Users\Admin\AppData\Local\Temp\RtkBtManServ.exe" ZhXl39BlhP84+Y4kurA8wpehxxqA0X22IMYZ6Vpiqs7LIsqCC4a/AX2b2RVR/YEUkVsAd21s1Zj3Q7+D+wBDqZXHiuUwqD+ulat5YCzOWXvJWtDoU7A9lCKly9ij2EI/e2+S7OW+qFJxtlQeFXgI2TuHiauFjXibHW/+xco2h6U=
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Modifies registry class
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3936
  - - C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\compile.vbs"
      4⤵
      Checks computer location settings
      Suspicious use of WriteProcessMemory
      PID:2444
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c compile.bat
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3324
      - C:\Users\Admin\AppData\Local\Temp\bfsvc.exe
        
        C:\Users\Admin\AppData\Local\Temp\bfsvc.exe /capture /Filename "C:\Users\Admin\AppData\Local\Temp\capture.png"
        6⤵
        Executes dropped EXE
        
        PID:2984
  - - C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\compile.vbs"
      4⤵
      Checks computer location settings
      Suspicious use of WriteProcessMemory
      PID:3524
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c compile.bat
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1292
      - C:\Users\Admin\AppData\Local\Temp\snuvcdsm.exe
        
        C:\Users\Admin\AppData\Local\Temp\snuvcdsm.exe /stext "C:\Users\Admin\AppData\Local\Temp\Admin_Passwords.txt"
        6⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        
        PID:3068
  - - C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\compile.vbs"
      4⤵
      Checks computer location settings
      Suspicious use of WriteProcessMemory
      PID:3884
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c compile.bat
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3892
      - C:\Users\Admin\AppData\Local\Temp\winhlp32.exe
        
        C:\Users\Admin\AppData\Local\Temp\winhlp32.exe /stext "C:\Users\Admin\AppData\Local\Temp\Cookies1"
        6⤵
        Executes dropped EXE
        
        PID:3184
      - C:\Users\Admin\AppData\Local\Temp\hh.exe
        
        C:\Users\Admin\AppData\Local\Temp\hh.exe /stext "C:\Users\Admin\AppData\Local\Temp\Cookies3"
        6⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        
        PID:3168
      - C:\Users\Admin\AppData\Local\Temp\splwow64.exe
        
        C:\Users\Admin\AppData\Local\Temp\splwow64.exe /stext "C:\Users\Admin\AppData\Local\Temp\Cookies2"
        6⤵
        Executes dropped EXE
        
        PID:644
  - - C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\compile.vbs"
      4⤵
      Checks computer location settings
      Suspicious use of WriteProcessMemory
      PID:3308
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c compile.bat
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3924
      - C:\Users\Admin\AppData\Local\Temp\xwizard.exe
        
        C:\Users\Admin\AppData\Local\Temp\xwizard.exe /stext "C:\Users\Admin\AppData\Local\Temp\Admin_History.txt"
        6⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        
        PID:432
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\RtkBtManServ.exe"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:840
    - - C:\Windows\system32\choice.exe
        
        choice /C Y /N /D Y /T 3
        5⤵
        
        PID:4024
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sms.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sms.exe
  2⤵
  - Executes dropped EXE
  PID:2996

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

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2996-143-0x000000EC2D500000-0x000000EC2D501000-memory.dmp

Filesize
4KB

Download
memory/3576-136-0x0000000005020000-0x0000000005086000-memory.dmp

Filesize
408KB

Download
memory/3576-132-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/3576-133-0x0000000000050000-0x000000000034C000-memory.dmp

Filesize
3.0MB

Download
memory/3576-134-0x0000000005520000-0x0000000005AC4000-memory.dmp

Filesize
5.6MB

Download
memory/3576-135-0x0000000000062000-0x0000000000063000-memory.dmp

Filesize
4KB

Download
memory/3576-137-0x0000000004D20000-0x0000000004D21000-memory.dmp

Filesize
4KB

Download
memory/3936-147-0x00000189F7CF0000-0x00000189F7D66000-memory.dmp

Filesize
472KB

Download
memory/3936-140-0x00000189DC000000-0x00000189DC2DA000-memory.dmp

Filesize
2.9MB

Download
memory/3936-142-0x00007FFDF40A3000-0x00007FFDF40A5000-memory.dmp

Filesize
8KB

Download
memory/3936-145-0x00000189DC680000-0x00000189DC682000-memory.dmp

Filesize
8KB

Download
memory/3936-152-0x00000189F8860000-0x00000189F887E000-memory.dmp

Filesize
120KB

Download
memory/3936-149-0x00000189F7E60000-0x00000189F7E82000-memory.dmp

Filesize
136KB

Download
memory/3936-150-0x00000189F8440000-0x00000189F845A000-memory.dmp

Filesize
104KB

Download
memory/3936-151-0x00000189F8430000-0x00000189F8438000-memory.dmp

Filesize
32KB

Download