xloader | 6bdea0ba8978cd3080b6e1adb3dec027d9e6d74586b4afe88ec6744f77977918

General

Target

SOA.exe
Size

263KB
MD5

baf2982217b31a6fe69abf4008f58329
SHA1

b8dadf51e395b219e7300ba5d0e95fb9d7d9f509
SHA256

40da3a76d7dfbe395b879dc9b090af73483617c65c7c433975490c0a22e4a71a
SHA512

d7aa8d2409c77e29e58ed79ca0539411e3323dfa32451f1f5bf6580f8d375a2756a7d0c0647a301fb2b002bdffad7797d27180746a4154a0c848589c0bd35f4e
SSDEEP

6144:l8LxBjFO09nfR+z/ZSGoxaHGcLFBZ/uxap1Z9EfbNdVE:0FRnfMz/Im9fZ/uwxaNdVE

Score

10^/10

xloader b2c0 discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

b2c0

Decoy

bjyxszd520.xyz

hsvfingerprinting.com

elliotpioneer.com

bf396.com

chinaopedia.com

6233v.com

shopeuphoricapparel.com

loccssol.store

truefictionpictures.com

playstarexch.com

peruviancoffee.store

shobhajoshi.com

philme.net

avito-rules.com

independencehomecenters.com

atp-cayenne.com

invetorsbank.com

sasanos.com

scentfreebnb.com

catfuid.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/3032-9-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/3032-12-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2856-18-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

pid	Process
1548	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2792	SOA.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2792 set thread context of 3032	2792	SOA.exe	31
PID 3032 set thread context of 1220	3032	SOA.exe	21
PID 2856 set thread context of 1220	2856	NETSTAT.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 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	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SOA.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2856	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
3032	SOA.exe
3032	SOA.exe
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE
2856	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2792	SOA.exe
3032	SOA.exe
3032	SOA.exe
3032	SOA.exe
2856	NETSTAT.EXE
2856	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3032	SOA.exe
Token: SeDebugPrivilege	2856	NETSTAT.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 3032	2792	SOA.exe	31
PID 2792 wrote to memory of 3032	2792	SOA.exe	31
PID 2792 wrote to memory of 3032	2792	SOA.exe	31
PID 2792 wrote to memory of 3032	2792	SOA.exe	31
PID 2792 wrote to memory of 3032	2792	SOA.exe	31
PID 1220 wrote to memory of 2856	1220	Explorer.EXE	32
PID 1220 wrote to memory of 2856	1220	Explorer.EXE	32
PID 1220 wrote to memory of 2856	1220	Explorer.EXE	32
PID 1220 wrote to memory of 2856	1220	Explorer.EXE	32
PID 2856 wrote to memory of 1548	2856	NETSTAT.EXE	33
PID 2856 wrote to memory of 1548	2856	NETSTAT.EXE	33
PID 2856 wrote to memory of 1548	2856	NETSTAT.EXE	33
PID 2856 wrote to memory of 1548	2856	NETSTAT.EXE	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1220
- C:\Users\Admin\AppData\Local\Temp\SOA.exe
  "C:\Users\Admin\AppData\Local\Temp\SOA.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2792
- - C:\Users\Admin\AppData\Local\Temp\SOA.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3032
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2856
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\SOA.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:1548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

\Users\Admin\AppData\Local\Temp\nsyF345.tmp\qhcv.dll

Filesize
39KB

MD5
6d70c6175a3d7e78b967d0f8f349a17c

SHA1
35c22d80df2112aae34e567b6e28a3d969f23e3b

SHA256
1e22878a69afeffc681adfcb5fbb6772821bafccd966b72da2e3ba195595b735

SHA512
6472e91780238b1f47c86c5d32e238252b840619477c5c27654b99b617af123d30eb4d64336e79cb65bca6e1878c6b9d6375148b0e68ccb178c4893023eb87d2

Download Submit
memory/1220-13-0x0000000004CE0000-0x0000000004D9A000-memory.dmp

Filesize
744KB

Download
memory/1220-19-0x0000000004CE0000-0x0000000004D9A000-memory.dmp

Filesize
744KB

Download
memory/2792-7-0x0000000074EC0000-0x0000000074ECE000-memory.dmp

Filesize
56KB

Download
memory/2792-10-0x0000000074EC0000-0x0000000074ECE000-memory.dmp

Filesize
56KB

Download
memory/2856-16-0x0000000000A00000-0x0000000000A09000-memory.dmp

Filesize
36KB

Download
memory/2856-17-0x0000000000A00000-0x0000000000A09000-memory.dmp

Filesize
36KB

Download
memory/2856-18-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/3032-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3032-12-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

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