xloader | 14017a5f9a46c97ba874b288cb1f56a9ce838a0f91c12d8fbfa4265cef0d312d

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
26/07/2022, 17:18

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General

Target
Purchase Order Frank Manufactures.Pdf.exe
Size 812KB
Sample220726-vt9vgafba7
SHA256 14017a5f9a46c97ba874b288cb1f56a9ce838a0f91c12d8fbfa4265cef0d312d
MD5 25fe79e1e23673ead7e0bd10c15d4bb8
SHA1 aa07042efac960b5ecb1f0800316eee54a6799e8
SHA512 68cb3446ec767d2b3d389663e73b60113878c706cf6bcd9d07e3fe53e1290cec8a965e1313a156dcced0f50037a3cbdc8055d8c2bdb31cca83e31e9dc1936264
MD5 SHA1 SHA512

Score

10^/10

xloader loader rat

Malware Config

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader payload 5 IoCs

rat

resource	yara_rule
behavioral2/memory/1332-137-0x0000000000400000-0x000000000042D000-memory.dmp	xloader
behavioral2/memory/1332-139-0x0000000000400000-0x000000000042D000-memory.dmp	xloader
behavioral2/memory/1332-146-0x0000000000400000-0x000000000042D000-memory.dmp	xloader
behavioral2/memory/788-150-0x0000000000A00000-0x0000000000A2D000-memory.dmp	xloader
behavioral2/memory/788-154-0x0000000000A00000-0x0000000000A2D000-memory.dmp	xloader

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-1-5-21-2372564722-193526734-2636556182-1000\Control Panel\International\Geo\Nation	Purchase Order Frank Manufactures.Pdf.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4292 set thread context of 1332	4292	Purchase Order Frank Manufactures.Pdf.exe	83
PID 1332 set thread context of 2120	1332	Purchase Order Frank Manufactures.Pdf.exe	49
PID 1332 set thread context of 2120	1332	Purchase Order Frank Manufactures.Pdf.exe	49
PID 788 set thread context of 2120	788	ipconfig.exe	49

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command-Line Interface

T1059

pid	Process
788	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 40 IoCs

pid	Process
1332	Purchase Order Frank Manufactures.Pdf.exe
1332	Purchase Order Frank Manufactures.Pdf.exe
1332	Purchase Order Frank Manufactures.Pdf.exe
1332	Purchase Order Frank Manufactures.Pdf.exe
1332	Purchase Order Frank Manufactures.Pdf.exe
1332	Purchase Order Frank Manufactures.Pdf.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe
788	ipconfig.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2120	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1332	Purchase Order Frank Manufactures.Pdf.exe
1332	Purchase Order Frank Manufactures.Pdf.exe
1332	Purchase Order Frank Manufactures.Pdf.exe
1332	Purchase Order Frank Manufactures.Pdf.exe
788	ipconfig.exe
788	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1332	Purchase Order Frank Manufactures.Pdf.exe
Token: SeDebugPrivilege	788	ipconfig.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4292	Purchase Order Frank Manufactures.Pdf.exe
4292	Purchase Order Frank Manufactures.Pdf.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4292 wrote to memory of 1332	4292	Purchase Order Frank Manufactures.Pdf.exe	83
PID 4292 wrote to memory of 1332	4292	Purchase Order Frank Manufactures.Pdf.exe	83
PID 4292 wrote to memory of 1332	4292	Purchase Order Frank Manufactures.Pdf.exe	83
PID 4292 wrote to memory of 1332	4292	Purchase Order Frank Manufactures.Pdf.exe	83
PID 4292 wrote to memory of 1332	4292	Purchase Order Frank Manufactures.Pdf.exe	83
PID 4292 wrote to memory of 1332	4292	Purchase Order Frank Manufactures.Pdf.exe	83
PID 1332 wrote to memory of 788	1332	Purchase Order Frank Manufactures.Pdf.exe	84
PID 1332 wrote to memory of 788	1332	Purchase Order Frank Manufactures.Pdf.exe	84
PID 1332 wrote to memory of 788	1332	Purchase Order Frank Manufactures.Pdf.exe	84
PID 788 wrote to memory of 4848	788	ipconfig.exe	85
PID 788 wrote to memory of 4848	788	ipconfig.exe	85
PID 788 wrote to memory of 4848	788	ipconfig.exe	85

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
PID:2120
- C:\Users\Admin\AppData\Local\Temp\Purchase Order Frank Manufactures.Pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase Order Frank Manufactures.Pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4292
- - C:\Users\Admin\AppData\Local\Temp\Purchase Order Frank Manufactures.Pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order Frank Manufactures.Pdf.exe"
    3⤵
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1332
  - - C:\Windows\SysWOW64\ipconfig.exe
      "C:\Windows\SysWOW64\ipconfig.exe"
      4⤵
      Suspicious use of SetThreadContext
      Gathers network information
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:788
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\Purchase Order Frank Manufactures.Pdf.exe"
        5⤵
        
        PID:4848

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/788-154-0x0000000000A00000-0x0000000000A2D000-memory.dmp

Download

memory/788-152-0x00000000010F0000-0x0000000001180000-memory.dmp

Download

memory/788-151-0x0000000001210000-0x000000000155A000-memory.dmp

Download

memory/788-150-0x0000000000A00000-0x0000000000A2D000-memory.dmp

Download

memory/788-149-0x0000000000C30000-0x0000000000C3B000-memory.dmp

Download

memory/1332-139-0x0000000000400000-0x000000000042D000-memory.dmp

Download

memory/1332-141-0x00000000010D0000-0x00000000010E1000-memory.dmp

Download

memory/1332-140-0x0000000001110000-0x000000000145A000-memory.dmp

Download

memory/1332-144-0x0000000002F20000-0x0000000002F31000-memory.dmp

Download

memory/1332-146-0x0000000000400000-0x000000000042D000-memory.dmp

Download

memory/1332-137-0x0000000000400000-0x000000000042D000-memory.dmp

Download

memory/2120-153-0x0000000003320000-0x00000000033E5000-memory.dmp

Download

memory/2120-142-0x0000000008A50000-0x0000000008BCD000-memory.dmp

Download

memory/2120-145-0x000000000A900000-0x000000000AA5F000-memory.dmp

Download

memory/2120-155-0x0000000003320000-0x00000000033E5000-memory.dmp

Download

memory/4292-130-0x0000000000A70000-0x0000000000B40000-memory.dmp

Download

memory/4292-134-0x00000000090E0000-0x000000000917C000-memory.dmp

Download

memory/4292-133-0x0000000005510000-0x000000000551A000-memory.dmp

Download

memory/4292-132-0x0000000005520000-0x00000000055B2000-memory.dmp

Download

memory/4292-135-0x000000000BC10000-0x000000000BC76000-memory.dmp

Download

memory/4292-131-0x0000000005A30000-0x0000000005FD4000-memory.dmp

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