xloader | 811976224041ecf8d38638ab5440fe24cfe713ddc3fc8b532f0d70b9ea234b0c

General

Target

6480c27577ec4b5412f5869be7688753.exe
Size

919KB
MD5

6480c27577ec4b5412f5869be7688753
SHA1

d47df66a173cdbf3d0edb12811fbbe3279c434aa
SHA256

f418beabbb3cb228180b1dbfa41904564d8936f77d01f6529c42d64f31b2d490
SHA512

cd5998cd94f8eca2ba9228fe9965f9a88d276af44adcab61f4974e72d6aa8f36f33ba67cd228a2f5dea14875024e170de5317860ad4a21589506de9901b29d33
SSDEEP

12288:RjHuWFHmpuSMPQipP5LqGd27mklDUZPh90ey56JCSXLhgVolis9R:RxHIRipBq02LDs+eycnbhZxL

Score

10^/10

xloader uqf5 discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

uqf5

Decoy

paolograssino.com

hammockcoastproperty.net

blinbins.com

financierapoorvenirsas.com

mattruddle.com

wighumanhair.com

tvdajiang14.com

theblackharvest.com

tylerrucarean.com

a-prime-india-demataccount.zone

amboselisafarigallery.info

toolbnbapp.com

scientificindustrial.com

trainup-wall.com

pocosmo.com

thebluepottingtable.com

leavelogs.com

verbalfreedom.com

qa4i.com

kiiikoo.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/2636-12-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2636-16-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/596-21-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2300 set thread context of 2636	2300	6480c27577ec4b5412f5869be7688753.exe	31
PID 2636 set thread context of 1192	2636	RegSvcs.exe	21
PID 596 set thread context of 1192	596	NAPSTAT.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	6480c27577ec4b5412f5869be7688753.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NAPSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
2300	6480c27577ec4b5412f5869be7688753.exe
2636	RegSvcs.exe
2636	RegSvcs.exe
596	NAPSTAT.EXE
596	NAPSTAT.EXE
596	NAPSTAT.EXE
596	NAPSTAT.EXE
596	NAPSTAT.EXE
596	NAPSTAT.EXE
596	NAPSTAT.EXE
596	NAPSTAT.EXE
596	NAPSTAT.EXE
596	NAPSTAT.EXE
596	NAPSTAT.EXE
596	NAPSTAT.EXE
596	NAPSTAT.EXE
596	NAPSTAT.EXE
596	NAPSTAT.EXE
596	NAPSTAT.EXE
596	NAPSTAT.EXE
596	NAPSTAT.EXE
596	NAPSTAT.EXE
596	NAPSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2636	RegSvcs.exe
2636	RegSvcs.exe
2636	RegSvcs.exe
596	NAPSTAT.EXE
596	NAPSTAT.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2300	6480c27577ec4b5412f5869be7688753.exe
Token: SeDebugPrivilege	2636	RegSvcs.exe
Token: SeDebugPrivilege	596	NAPSTAT.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 2636	2300	6480c27577ec4b5412f5869be7688753.exe	31
PID 2300 wrote to memory of 2636	2300	6480c27577ec4b5412f5869be7688753.exe	31
PID 2300 wrote to memory of 2636	2300	6480c27577ec4b5412f5869be7688753.exe	31
PID 2300 wrote to memory of 2636	2300	6480c27577ec4b5412f5869be7688753.exe	31
PID 2300 wrote to memory of 2636	2300	6480c27577ec4b5412f5869be7688753.exe	31
PID 2300 wrote to memory of 2636	2300	6480c27577ec4b5412f5869be7688753.exe	31
PID 2300 wrote to memory of 2636	2300	6480c27577ec4b5412f5869be7688753.exe	31
PID 2300 wrote to memory of 2636	2300	6480c27577ec4b5412f5869be7688753.exe	31
PID 2300 wrote to memory of 2636	2300	6480c27577ec4b5412f5869be7688753.exe	31
PID 2300 wrote to memory of 2636	2300	6480c27577ec4b5412f5869be7688753.exe	31
PID 1192 wrote to memory of 596	1192	Explorer.EXE	32
PID 1192 wrote to memory of 596	1192	Explorer.EXE	32
PID 1192 wrote to memory of 596	1192	Explorer.EXE	32
PID 1192 wrote to memory of 596	1192	Explorer.EXE	32
PID 596 wrote to memory of 1716	596	NAPSTAT.EXE	33
PID 596 wrote to memory of 1716	596	NAPSTAT.EXE	33
PID 596 wrote to memory of 1716	596	NAPSTAT.EXE	33
PID 596 wrote to memory of 1716	596	NAPSTAT.EXE	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\6480c27577ec4b5412f5869be7688753.exe
  "C:\Users\Admin\AppData\Local\Temp\6480c27577ec4b5412f5869be7688753.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2300
- - 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:2636
- C:\Windows\SysWOW64\NAPSTAT.EXE
  "C:\Windows\SysWOW64\NAPSTAT.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:596
- - 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:1716

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/596-20-0x0000000000360000-0x00000000003A6000-memory.dmp

Filesize
280KB

Download
memory/596-19-0x0000000000360000-0x00000000003A6000-memory.dmp

Filesize
280KB

Download
memory/596-21-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1192-22-0x00000000050B0000-0x00000000051D1000-memory.dmp

Filesize
1.1MB

Download
memory/1192-18-0x00000000050B0000-0x00000000051D1000-memory.dmp

Filesize
1.1MB

Download
memory/2300-3-0x00000000002D0000-0x00000000002E6000-memory.dmp

Filesize
88KB

Download
memory/2300-6-0x0000000005120000-0x000000000519A000-memory.dmp

Filesize
488KB

Download
memory/2300-7-0x0000000000B60000-0x0000000000B9C000-memory.dmp

Filesize
240KB

Download
memory/2300-5-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2300-4-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/2300-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/2300-2-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2300-13-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2300-1-0x0000000000E90000-0x0000000000F7C000-memory.dmp

Filesize
944KB

Download
memory/2636-12-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2636-17-0x0000000000370000-0x0000000000381000-memory.dmp

Filesize
68KB

Download
memory/2636-16-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2636-14-0x0000000000810000-0x0000000000B13000-memory.dmp

Filesize
3.0MB

Download
memory/2636-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2636-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2636-8-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

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