xloader | 11f36b79a24c88bf46a99ebb86d5bdfb62c5ea4105c79f5b0f25f5bedbe6e8a2

General

Target

PO3118.exe
Size

393KB
MD5

7472bc65871e7bef7264c09fcc028e4f
SHA1

c0420262972a81c2332f83a0736f48ce500dc2b6
SHA256

d6ddafd9aa4fbe03e73aa4f1b4854d83503eb4fe9b91dd6f3ac44a030847c2d7
SHA512

bd4c3397af0c66626ab5c35c95bb5dd74134ef348375cd338a1013c8b1c9ccf8fe936f23874153cb32145c55c01ac660d0db293e0d7451eacc907540eb9accdf
SSDEEP

6144:id/ztr1lc8xB6SSQ8mst8hTM+713eGlaUlBfqcOvCom2K9ItlkEvmrVuy5A:WvlcWBe/WRiJHmYtlPaVuyC

Score

10^/10

xloader pnqr discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

pnqr

Decoy

bullexch9.com

hiiidesigns.com

yosapark-gakuenmae.com

movementinspires.com

orlandas.com

flowga.world

opende.info

jiconic.com

selviclothingco.com

herbalmedicineresearch.com

contex33.xyz

riord.com

alchemistslibrary.com

ecalyte.com

tutu119.com

61ue00.com

properwayllc.com

tamitoe.com

adacompliantsoftware.com

deliabe.com

Signatures

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

Xloader payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2440-9-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2440-11-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2440-14-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2500-23-0x0000000000100000-0x0000000000128000-memory.dmp	xloader

Deletes itself 1 IoCs

pid	Process
2808	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
3068	PO3118.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3068 set thread context of 2440	3068	PO3118.exe	30
PID 2440 set thread context of 1212	2440	PO3118.exe	21
PID 2440 set thread context of 1212	2440	PO3118.exe	21
PID 2500 set thread context of 1212	2500	wininit.exe	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	PO3118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO3118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wininit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2440	PO3118.exe
2440	PO3118.exe
2440	PO3118.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe
2500	wininit.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
3068	PO3118.exe
2440	PO3118.exe
2440	PO3118.exe
2440	PO3118.exe
2440	PO3118.exe
2500	wininit.exe
2500	wininit.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2440	PO3118.exe
Token: SeDebugPrivilege	2500	wininit.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 2440	3068	PO3118.exe	30
PID 3068 wrote to memory of 2440	3068	PO3118.exe	30
PID 3068 wrote to memory of 2440	3068	PO3118.exe	30
PID 3068 wrote to memory of 2440	3068	PO3118.exe	30
PID 3068 wrote to memory of 2440	3068	PO3118.exe	30
PID 2440 wrote to memory of 2500	2440	PO3118.exe	32
PID 2440 wrote to memory of 2500	2440	PO3118.exe	32
PID 2440 wrote to memory of 2500	2440	PO3118.exe	32
PID 2440 wrote to memory of 2500	2440	PO3118.exe	32
PID 2500 wrote to memory of 2808	2500	wininit.exe	33
PID 2500 wrote to memory of 2808	2500	wininit.exe	33
PID 2500 wrote to memory of 2808	2500	wininit.exe	33
PID 2500 wrote to memory of 2808	2500	wininit.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\PO3118.exe
  "C:\Users\Admin\AppData\Local\Temp\PO3118.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3068
- - C:\Users\Admin\AppData\Local\Temp\PO3118.exe
    "C:\Users\Admin\AppData\Local\Temp\PO3118.exe"
    3⤵
    - 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:2440
  - - C:\Windows\SysWOW64\wininit.exe
      "C:\Windows\SysWOW64\wininit.exe"
      4⤵
      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:2500
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\PO3118.exe"
        5⤵
        Deletes itself
        System Location Discovery: System Language Discovery
        
        PID:2808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

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

\Users\Admin\AppData\Local\Temp\nsjBA3C.tmp\cvve2p5h0gqmdd.dll

Filesize
4KB

MD5
7dca75191f506b4a9dac4683211aafc0

SHA1
c31b50e4d74aae90730d308d70e166c6c031ec54

SHA256
28b2482383978cb373546a80213c9c6d03e4af09f2399e5b8d115811f822200e

SHA512
382d43c225cc815a796be1a66f111dd396ce8921fb424d92987cd3055850272f597d5eee4d84ae1b888577833e134b296934a37a26c882d04f520462d99aaa74

Download Submit
memory/1212-12-0x00000000049B0000-0x0000000004B1A000-memory.dmp

Filesize
1.4MB

Download
memory/1212-15-0x00000000049B0000-0x0000000004B1A000-memory.dmp

Filesize
1.4MB

Download
memory/1212-16-0x0000000004CA0000-0x0000000004D64000-memory.dmp

Filesize
784KB

Download
memory/1212-22-0x0000000004CA0000-0x0000000004D64000-memory.dmp

Filesize
784KB

Download
memory/2440-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2440-11-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2440-14-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2500-20-0x00000000008D0000-0x00000000008EA000-memory.dmp

Filesize
104KB

Download
memory/2500-21-0x00000000008D0000-0x00000000008EA000-memory.dmp

Filesize
104KB

Download
memory/2500-23-0x0000000000100000-0x0000000000128000-memory.dmp

Filesize
160KB

Download
memory/3068-8-0x0000000000310000-0x0000000000312000-memory.dmp

Filesize
8KB

Download

Analysis

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