xloader | 61da1e62a955d7c06856df15c5ce91d4aa39b0716a419bf223d5b224c348d233

General

Target

0rder-bcm_23062021.exe
Size

1.3MB
MD5

be367a26f8caea0b21c3d23734fe926d
SHA1

7c64a083dc814e69fe472edbe3d87c74310a9ef8
SHA256

19502ad02119f2e62cd3a35bfb9ceda6be0e5767a078609631dca9091f9ecde6
SHA512

1dff8942de1ee220568a4f1ae2eebfa5b9de27fdbc4bc47460b2ba28dc8e3ec3ab55077e6fa549295ebbe3940889626264649eda761e3d879031d89340ce95e1
SSDEEP

24576:1KoBEm9pX4MSVHgIVxTEK+Qwsnd51RV1XPm5X0/fqrrCgPM2S8cAt8jipgXGdk:QjCX4M2pVFwq5bV1fm5C4CgPMu8jipg/

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/2904-15-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2904-19-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2912-24-0x0000000000110000-0x0000000000139000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 108 set thread context of 2904	108	0rder-bcm_23062021.exe	31
PID 2904 set thread context of 1188	2904	RegSvcs.exe	21
PID 2912 set thread context of 1188	2912	cmstp.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	0rder-bcm_23062021.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
108	0rder-bcm_23062021.exe
108	0rder-bcm_23062021.exe
108	0rder-bcm_23062021.exe
108	0rder-bcm_23062021.exe
2904	RegSvcs.exe
2904	RegSvcs.exe
2912	cmstp.exe
2912	cmstp.exe
2912	cmstp.exe
2912	cmstp.exe
2912	cmstp.exe
2912	cmstp.exe
2912	cmstp.exe
2912	cmstp.exe
2912	cmstp.exe
2912	cmstp.exe
2912	cmstp.exe
2912	cmstp.exe
2912	cmstp.exe
2912	cmstp.exe
2912	cmstp.exe
2912	cmstp.exe
2912	cmstp.exe
2912	cmstp.exe
2912	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2904	RegSvcs.exe
2904	RegSvcs.exe
2904	RegSvcs.exe
2912	cmstp.exe
2912	cmstp.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	108	0rder-bcm_23062021.exe
Token: SeDebugPrivilege	2904	RegSvcs.exe
Token: SeDebugPrivilege	2912	cmstp.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 108 wrote to memory of 2904	108	0rder-bcm_23062021.exe	31
PID 108 wrote to memory of 2904	108	0rder-bcm_23062021.exe	31
PID 108 wrote to memory of 2904	108	0rder-bcm_23062021.exe	31
PID 108 wrote to memory of 2904	108	0rder-bcm_23062021.exe	31
PID 108 wrote to memory of 2904	108	0rder-bcm_23062021.exe	31
PID 108 wrote to memory of 2904	108	0rder-bcm_23062021.exe	31
PID 108 wrote to memory of 2904	108	0rder-bcm_23062021.exe	31
PID 108 wrote to memory of 2904	108	0rder-bcm_23062021.exe	31
PID 108 wrote to memory of 2904	108	0rder-bcm_23062021.exe	31
PID 108 wrote to memory of 2904	108	0rder-bcm_23062021.exe	31
PID 1188 wrote to memory of 2912	1188	Explorer.EXE	32
PID 1188 wrote to memory of 2912	1188	Explorer.EXE	32
PID 1188 wrote to memory of 2912	1188	Explorer.EXE	32
PID 1188 wrote to memory of 2912	1188	Explorer.EXE	32
PID 1188 wrote to memory of 2912	1188	Explorer.EXE	32
PID 1188 wrote to memory of 2912	1188	Explorer.EXE	32
PID 1188 wrote to memory of 2912	1188	Explorer.EXE	32
PID 2912 wrote to memory of 2692	2912	cmstp.exe	33
PID 2912 wrote to memory of 2692	2912	cmstp.exe	33
PID 2912 wrote to memory of 2692	2912	cmstp.exe	33
PID 2912 wrote to memory of 2692	2912	cmstp.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Users\Admin\AppData\Local\Temp\0rder-bcm_23062021.exe
  "C:\Users\Admin\AppData\Local\Temp\0rder-bcm_23062021.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:108
- - 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:2904
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:2912
- - 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:2692

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/108-16-0x0000000074340000-0x0000000074A2E000-memory.dmp

Filesize
6.9MB

Download
memory/108-1-0x0000000000920000-0x0000000000A7C000-memory.dmp

Filesize
1.4MB

Download
memory/108-2-0x0000000074340000-0x0000000074A2E000-memory.dmp

Filesize
6.9MB

Download
memory/108-3-0x0000000000420000-0x0000000000436000-memory.dmp

Filesize
88KB

Download
memory/108-4-0x000000007434E000-0x000000007434F000-memory.dmp

Filesize
4KB

Download
memory/108-5-0x0000000074340000-0x0000000074A2E000-memory.dmp

Filesize
6.9MB

Download
memory/108-6-0x00000000082F0000-0x00000000083AE000-memory.dmp

Filesize
760KB

Download
memory/108-7-0x0000000008160000-0x00000000081EC000-memory.dmp

Filesize
560KB

Download
memory/108-0-0x000000007434E000-0x000000007434F000-memory.dmp

Filesize
4KB

Download
memory/1188-25-0x0000000006C80000-0x0000000006D78000-memory.dmp

Filesize
992KB

Download
memory/1188-21-0x0000000006C80000-0x0000000006D78000-memory.dmp

Filesize
992KB

Download
memory/2904-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2904-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2904-17-0x0000000000B70000-0x0000000000E73000-memory.dmp

Filesize
3.0MB

Download
memory/2904-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2904-20-0x00000000002B0000-0x00000000002C1000-memory.dmp

Filesize
68KB

Download
memory/2904-10-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2904-8-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2912-22-0x0000000000190000-0x00000000001A8000-memory.dmp

Filesize
96KB

Download
memory/2912-23-0x0000000000190000-0x00000000001A8000-memory.dmp

Filesize
96KB

Download
memory/2912-24-0x0000000000110000-0x0000000000139000-memory.dmp

Filesize
164KB

Download

Analysis

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