xloader | 408d42bbe82ea5d8abee447060a40ff8289f4c3317022d6c0a1081c37d25b164

General

Target

$PLUGINSDIR/mtpoerkl.dll
Size

20KB
MD5

adc8b564ab49cf22c95760ca373e51ce
SHA1

ce0bb7c028a41868e1c2003710c386d84d1b0563
SHA256

5e074e10a889e3790c6fe2bd7131f3e990e234dd64e30feb812ef32441351e48
SHA512

f0f4251868231f9f693be855410cf559ea5b5f687c4d9f6651fbd39e01690de6e57db9ab6023e53d909efc3154ead6a7daefe8a65f3e39aa02b991cf6c5feef3
SSDEEP

192:9dBwHlinVnbk4ia/6n3lfNIgJ2PIXyY8gu0tR0buCGfibI6sKOwS5iMrOVI2qFOE:P+FiVbkftNIgoU8oCioKKOw1PDqFjh

Score

10^/10

xloader ga6b discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

ga6b

Decoy

diasporacospices.com

sd-shenghe.com

onlinewritingjobs.net

greenstreamgroup.store

garageair.agency

idh-bf.com

middenhavendambreskens.com

szkoleniawcag.online

wiremefeelings.com

ottosperformance.com

brothermush.com

weiserpath.com

baohiemtv24h.com

glassgalaxynft.com

spiritualmind.space

18130072012.com

3v0.space

smartgadgetscompare.com

corvusexpeditii.xyz

egcontabilidade.website

Signatures

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

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral3/memory/2168-1-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral3/memory/2168-4-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral3/memory/2084-10-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2412 set thread context of 2168	2412	rundll32.exe	31
PID 2168 set thread context of 1244	2168	rundll32.exe	21
PID 2084 set thread context of 1244	2084	control.exe	21

System Location Discovery: System Language Discovery 1 TTPs 4 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	control.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2168	rundll32.exe
2168	rundll32.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe
2084	control.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2168	rundll32.exe
2168	rundll32.exe
2168	rundll32.exe
2084	control.exe
2084	control.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2168	rundll32.exe
Token: SeDebugPrivilege	2084	control.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2412	2108	rundll32.exe	30
PID 2108 wrote to memory of 2412	2108	rundll32.exe	30
PID 2108 wrote to memory of 2412	2108	rundll32.exe	30
PID 2108 wrote to memory of 2412	2108	rundll32.exe	30
PID 2108 wrote to memory of 2412	2108	rundll32.exe	30
PID 2108 wrote to memory of 2412	2108	rundll32.exe	30
PID 2108 wrote to memory of 2412	2108	rundll32.exe	30
PID 2412 wrote to memory of 2168	2412	rundll32.exe	31
PID 2412 wrote to memory of 2168	2412	rundll32.exe	31
PID 2412 wrote to memory of 2168	2412	rundll32.exe	31
PID 2412 wrote to memory of 2168	2412	rundll32.exe	31
PID 2412 wrote to memory of 2168	2412	rundll32.exe	31
PID 2412 wrote to memory of 2168	2412	rundll32.exe	31
PID 2412 wrote to memory of 2168	2412	rundll32.exe	31
PID 2412 wrote to memory of 2168	2412	rundll32.exe	31
PID 2412 wrote to memory of 2168	2412	rundll32.exe	31
PID 2412 wrote to memory of 2168	2412	rundll32.exe	31
PID 1244 wrote to memory of 2084	1244	Explorer.EXE	32
PID 1244 wrote to memory of 2084	1244	Explorer.EXE	32
PID 1244 wrote to memory of 2084	1244	Explorer.EXE	32
PID 1244 wrote to memory of 2084	1244	Explorer.EXE	32
PID 2084 wrote to memory of 2936	2084	control.exe	33
PID 2084 wrote to memory of 2936	2084	control.exe	33
PID 2084 wrote to memory of 2936	2084	control.exe	33
PID 2084 wrote to memory of 2936	2084	control.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\mtpoerkl.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2108
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\mtpoerkl.dll,#1
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2412
  - - C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\mtpoerkl.dll,#1
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2168
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\SysWOW64\control.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2084
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\rundll32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1244-6-0x0000000006D20000-0x0000000006E4B000-memory.dmp

Filesize
1.2MB

Download
memory/1244-11-0x0000000006D20000-0x0000000006E4B000-memory.dmp

Filesize
1.2MB

Download
memory/2084-9-0x0000000000170000-0x000000000018F000-memory.dmp

Filesize
124KB

Download
memory/2084-7-0x0000000000170000-0x000000000018F000-memory.dmp

Filesize
124KB

Download
memory/2084-10-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/2168-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2168-2-0x0000000002100000-0x0000000002403000-memory.dmp

Filesize
3.0MB

Download
memory/2168-5-0x00000000001B0000-0x00000000001C1000-memory.dmp

Filesize
68KB

Download
memory/2168-4-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2412-0-0x0000000074BC5000-0x0000000074BC7000-memory.dmp

Filesize
8KB

Download

Analysis

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