xloader | 44073a3b4a860bfeb94ad3cd469231a33864ee3f9d9ea66a38fec5d74af383d1

General

Target

NEPTUNE M 17112021_xlxs.exe
Size

820KB
MD5

c984a1c9d32ebb1ac91ae7aa8bfe997f
SHA1

382edbc64117b655df612ebd7d0342d8eac6e269
SHA256

220c05d85e6a90823ff827cf628564d36e1f8324bbb14b976b49525861ffc07b
SHA512

6148544ae224bbe8dc578d86104fa939d5a4b936e9db9ec98a5da7dcd5c9996235d1df979ad39f8e84d836baa2044ef037aec33331b6431e17b8dbe43083c78a
SSDEEP

12288:4nqPhCcfZ/2YpYPMn5WYoj/APEavp0mBXR+5RKUS4S2zG9+aw9cNq0p2W:ak/2YpX5W94PEaR0mBB+NS4jZqN

Score

10^/10

xloader cfb2 discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

cfb2

Decoy

modafemme.store

adriankazer.com

littlerockgardens.com

peolinkbroker.com

gulfandinlandlimited.com

overseasentry.online

jen4x.com

saltysirenapparel.com

sprintfingers.com

obio-energi.com

auroralunaclothing.com

imafuckingretard.net

finalimpactoutdoors.com

haylcion.com

cybertice.com

nikaluda.com

juliana-nails.online

karbalacanning.com

candouventures.net

solarpanelscapegirardeaumo.com

Signatures

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

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2740-15-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2740-19-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2756-24-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

pid	Process
2916	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1956 set thread context of 2740	1956	NEPTUNE M 17112021_xlxs.exe	31
PID 2740 set thread context of 1244	2740	NEPTUNE M 17112021_xlxs.exe	21
PID 2756 set thread context of 1244	2756	systray.exe	21

System Location Discovery: System Language Discovery 1 TTPs 3 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	NEPTUNE M 17112021_xlxs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	systray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
1956	NEPTUNE M 17112021_xlxs.exe
1956	NEPTUNE M 17112021_xlxs.exe
1956	NEPTUNE M 17112021_xlxs.exe
1956	NEPTUNE M 17112021_xlxs.exe
1956	NEPTUNE M 17112021_xlxs.exe
1956	NEPTUNE M 17112021_xlxs.exe
2740	NEPTUNE M 17112021_xlxs.exe
2740	NEPTUNE M 17112021_xlxs.exe
2756	systray.exe
2756	systray.exe
2756	systray.exe
2756	systray.exe
2756	systray.exe
2756	systray.exe
2756	systray.exe
2756	systray.exe
2756	systray.exe
2756	systray.exe
2756	systray.exe
2756	systray.exe
2756	systray.exe
2756	systray.exe
2756	systray.exe
2756	systray.exe
2756	systray.exe
2756	systray.exe
2756	systray.exe
2756	systray.exe
2756	systray.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2740	NEPTUNE M 17112021_xlxs.exe
2740	NEPTUNE M 17112021_xlxs.exe
2740	NEPTUNE M 17112021_xlxs.exe
2756	systray.exe
2756	systray.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1956	NEPTUNE M 17112021_xlxs.exe
Token: SeDebugPrivilege	2740	NEPTUNE M 17112021_xlxs.exe
Token: SeDebugPrivilege	2756	systray.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 2740	1956	NEPTUNE M 17112021_xlxs.exe	31
PID 1956 wrote to memory of 2740	1956	NEPTUNE M 17112021_xlxs.exe	31
PID 1956 wrote to memory of 2740	1956	NEPTUNE M 17112021_xlxs.exe	31
PID 1956 wrote to memory of 2740	1956	NEPTUNE M 17112021_xlxs.exe	31
PID 1956 wrote to memory of 2740	1956	NEPTUNE M 17112021_xlxs.exe	31
PID 1956 wrote to memory of 2740	1956	NEPTUNE M 17112021_xlxs.exe	31
PID 1956 wrote to memory of 2740	1956	NEPTUNE M 17112021_xlxs.exe	31
PID 1244 wrote to memory of 2756	1244	Explorer.EXE	32
PID 1244 wrote to memory of 2756	1244	Explorer.EXE	32
PID 1244 wrote to memory of 2756	1244	Explorer.EXE	32
PID 1244 wrote to memory of 2756	1244	Explorer.EXE	32
PID 2756 wrote to memory of 2916	2756	systray.exe	33
PID 2756 wrote to memory of 2916	2756	systray.exe	33
PID 2756 wrote to memory of 2916	2756	systray.exe	33
PID 2756 wrote to memory of 2916	2756	systray.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Users\Admin\AppData\Local\Temp\NEPTUNE M 17112021_xlxs.exe
  "C:\Users\Admin\AppData\Local\Temp\NEPTUNE M 17112021_xlxs.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1956
- - C:\Users\Admin\AppData\Local\Temp\NEPTUNE M 17112021_xlxs.exe
    "C:\Users\Admin\AppData\Local\Temp\NEPTUNE M 17112021_xlxs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2740
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.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:2756
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\NEPTUNE M 17112021_xlxs.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2916

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/1244-25-0x0000000006BC0000-0x0000000006D36000-memory.dmp

Filesize
1.5MB

Download
memory/1244-21-0x0000000006BC0000-0x0000000006D36000-memory.dmp

Filesize
1.5MB

Download
memory/1956-16-0x0000000074870000-0x0000000074F5E000-memory.dmp

Filesize
6.9MB

Download
memory/1956-1-0x0000000001300000-0x00000000013D2000-memory.dmp

Filesize
840KB

Download
memory/1956-2-0x0000000074870000-0x0000000074F5E000-memory.dmp

Filesize
6.9MB

Download
memory/1956-3-0x0000000000770000-0x000000000077C000-memory.dmp

Filesize
48KB

Download
memory/1956-4-0x000000007487E000-0x000000007487F000-memory.dmp

Filesize
4KB

Download
memory/1956-5-0x0000000074870000-0x0000000074F5E000-memory.dmp

Filesize
6.9MB

Download
memory/1956-6-0x0000000005050000-0x00000000050A6000-memory.dmp

Filesize
344KB

Download
memory/1956-7-0x00000000011C0000-0x00000000011F0000-memory.dmp

Filesize
192KB

Download
memory/1956-0-0x000000007487E000-0x000000007487F000-memory.dmp

Filesize
4KB

Download
memory/2740-10-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2740-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2740-17-0x0000000000770000-0x0000000000A73000-memory.dmp

Filesize
3.0MB

Download
memory/2740-20-0x00000000003E0000-0x00000000003F1000-memory.dmp

Filesize
68KB

Download
memory/2740-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2740-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2740-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2756-23-0x0000000000750000-0x0000000000755000-memory.dmp

Filesize
20KB

Download
memory/2756-22-0x0000000000750000-0x0000000000755000-memory.dmp

Filesize
20KB

Download
memory/2756-24-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download

Analysis

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