xloader | fc144e7e5c01d580e1d4ab639b16df8379fcd82ee73c88b9fa0a605f8283e174

General

Target

706f2e7c6cafb3205cff3d498bb5a773_JaffaCakes118.exe
Size

734KB
MD5

706f2e7c6cafb3205cff3d498bb5a773
SHA1

4fe7c2674dbe9106d40c8ab611d5375203fb5fd2
SHA256

fc144e7e5c01d580e1d4ab639b16df8379fcd82ee73c88b9fa0a605f8283e174
SHA512

8ef8e1fb5a43e3a49428bed32336a1afe3440f16dd1971bf68c5086d1276bee0b6156a7e527fa0eebc6ca164784081771750df67817837d5c244ef6c239d73dd
SSDEEP

12288:whx0wWh6FKgqv1JC/GId8spXECbCsSyLQBp5oUF0HK7zNc8JCfMofvTTcFE2zI6t:x4dd8cbfzU1hFJMn8FjfEr5DDwCI1C4z

Score

10^/10

xloader nvq4 discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

nvq4

Decoy

emorytxinsurance.com

bastansonatarih.com

ysainasen.com

hillbilliesunite.net

lshuinai.com

consultpapers.com

digontorekha.com

diaobi.net

moonlightclayco.com

sh-junshen.com

maksavit.site

ushasoftbd.com

vienesacarnicos.com

milkonphone.com

lifeinthelineofduty.com

blackamericanoutlaw.com

wonkrushop.com

elearnium.com

scottbruce.info

anantaonline.com

Signatures

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

Xloader payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/440-23-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/440-18-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/3148-27-0x0000000000C40000-0x0000000000C68000-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

Processes:

706f2e7c6cafb3205cff3d498bb5a773_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	706f2e7c6cafb3205cff3d498bb5a773_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

706f2e7c6cafb3205cff3d498bb5a773_JaffaCakes118.exeRegSvcs.exe

description	pid	process	target process
PID 2420 set thread context of 440	2420	706f2e7c6cafb3205cff3d498bb5a773_JaffaCakes118.exe	RegSvcs.exe
PID 440 set thread context of 3416	440	RegSvcs.exe	Explorer.EXE

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

Processes:

706f2e7c6cafb3205cff3d498bb5a773_JaffaCakes118.exeschtasks.exeraserver.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	706f2e7c6cafb3205cff3d498bb5a773_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	raserver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

4908 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

RegSvcs.exe

pid process

440 RegSvcs.exe
440 RegSvcs.exe
440 RegSvcs.exe
440 RegSvcs.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

RegSvcs.exe

pid process

440 RegSvcs.exe
440 RegSvcs.exe
440 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 440 RegSvcs.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3416 Explorer.EXE

pid	process
4908	schtasks.exe

pid	process
440	RegSvcs.exe
440	RegSvcs.exe
440	RegSvcs.exe
440	RegSvcs.exe

pid	process
440	RegSvcs.exe
440	RegSvcs.exe
440	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	440	RegSvcs.exe

pid	process
3416	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

706f2e7c6cafb3205cff3d498bb5a773_JaffaCakes118.exeExplorer.EXE

description	pid	process	target process
PID 2420 wrote to memory of 4908	2420	706f2e7c6cafb3205cff3d498bb5a773_JaffaCakes118.exe	schtasks.exe
PID 2420 wrote to memory of 4908	2420	706f2e7c6cafb3205cff3d498bb5a773_JaffaCakes118.exe	schtasks.exe
PID 2420 wrote to memory of 4908	2420	706f2e7c6cafb3205cff3d498bb5a773_JaffaCakes118.exe	schtasks.exe
PID 2420 wrote to memory of 440	2420	706f2e7c6cafb3205cff3d498bb5a773_JaffaCakes118.exe	RegSvcs.exe
PID 2420 wrote to memory of 440	2420	706f2e7c6cafb3205cff3d498bb5a773_JaffaCakes118.exe	RegSvcs.exe
PID 2420 wrote to memory of 440	2420	706f2e7c6cafb3205cff3d498bb5a773_JaffaCakes118.exe	RegSvcs.exe
PID 2420 wrote to memory of 440	2420	706f2e7c6cafb3205cff3d498bb5a773_JaffaCakes118.exe	RegSvcs.exe
PID 2420 wrote to memory of 440	2420	706f2e7c6cafb3205cff3d498bb5a773_JaffaCakes118.exe	RegSvcs.exe
PID 2420 wrote to memory of 440	2420	706f2e7c6cafb3205cff3d498bb5a773_JaffaCakes118.exe	RegSvcs.exe
PID 3416 wrote to memory of 3148	3416	Explorer.EXE	raserver.exe
PID 3416 wrote to memory of 3148	3416	Explorer.EXE	raserver.exe
PID 3416 wrote to memory of 3148	3416	Explorer.EXE	raserver.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3416
- C:\Users\Admin\AppData\Local\Temp\706f2e7c6cafb3205cff3d498bb5a773_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\706f2e7c6cafb3205cff3d498bb5a773_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2420
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wdUbTbOrIw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3CE5.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4908
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:440
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3148
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3CE5.tmp

Filesize
1KB

MD5
cbec5d8e4b29d7fda46b54fc1568c4ac

SHA1
0323cf07ebb93b7bb9db595bfc1304d950d10b7f

SHA256
ad1d52923fc3125779c218040587c0b82fb7d77e2b219efec47c7fadb88e46b0

SHA512
94965debdde2e74c2e7b0a4190d4ce7a3faf2eaadaf29e79cd7510314f1fdf99e933300812baeea6b1a5d03d6855202a6940967dc38c3ba51b3d5d531145027d

Download Submit
memory/440-21-0x0000000000F90000-0x00000000012DA000-memory.dmp

Filesize
3.3MB

Download
memory/440-18-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/440-23-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/440-24-0x0000000000EE0000-0x0000000000EF0000-memory.dmp

Filesize
64KB

Download
memory/2420-6-0x0000000005260000-0x00000000052B6000-memory.dmp

Filesize
344KB

Download
memory/2420-5-0x0000000004EB0000-0x0000000004EBA000-memory.dmp

Filesize
40KB

Download
memory/2420-7-0x0000000074D80000-0x0000000075530000-memory.dmp

Filesize
7.7MB

Download
memory/2420-8-0x00000000053A0000-0x00000000053B6000-memory.dmp

Filesize
88KB

Download
memory/2420-9-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

Filesize
4KB

Download
memory/2420-10-0x0000000074D80000-0x0000000075530000-memory.dmp

Filesize
7.7MB

Download
memory/2420-11-0x0000000007D50000-0x0000000007DEE000-memory.dmp

Filesize
632KB

Download
memory/2420-12-0x000000000A4A0000-0x000000000A4CE000-memory.dmp

Filesize
184KB

Download
memory/2420-20-0x0000000074D80000-0x0000000075530000-memory.dmp

Filesize
7.7MB

Download
memory/2420-0-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

Filesize
4KB

Download
memory/2420-2-0x0000000004F10000-0x0000000004FAC000-memory.dmp

Filesize
624KB

Download
memory/2420-1-0x0000000000440000-0x00000000004FE000-memory.dmp

Filesize
760KB

Download
memory/2420-3-0x0000000005560000-0x0000000005B04000-memory.dmp

Filesize
5.6MB

Download
memory/2420-4-0x0000000004FB0000-0x0000000005042000-memory.dmp

Filesize
584KB

Download
memory/3148-26-0x00000000005C0000-0x00000000005DF000-memory.dmp

Filesize
124KB

Download
memory/3148-27-0x0000000000C40000-0x0000000000C68000-memory.dmp

Filesize
160KB

Download
memory/3416-25-0x00000000049D0000-0x0000000004ABE000-memory.dmp

Filesize
952KB

Download
memory/3416-28-0x00000000049D0000-0x0000000004ABE000-memory.dmp

Filesize
952KB

Download
memory/3416-32-0x0000000009020000-0x00000000091A3000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads