xloader | cce33ae3f6893af9e24964cc00973dfc3d3f1fb631a97f6160b85d548ff9bf46

General

Target

proforma invoice.exe
Size

952KB
MD5

e47b1ea33b1abf2f4fb8ea4033085f5f
SHA1

b03c03eaabbb7a9f400004115a80087f49c7d24d
SHA256

2f149eeefba021804e56e884c6a0b9b20a0205104976741b9f7255ec60e4872f
SHA512

e4ec9343ae245a4fa2ba47250cd334adb15a8071df54b6eec5db3f5214044135cdee3da0d17873df7837f567b1fd38657d19e401e39222f34bc4966db979e033
SSDEEP

12288:9iDerSToYkbL9AvIQYci7fep8aLBdi1WWbdNIQvr5I:99bJATYnCr21WCdWA

Score

10^/10

xloader xfts discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

xfts

Decoy

dailiesplatform.com

krlanka.com

koms.info

chesslearner.com

softwarefully.com

yogiplayground.com

learhee.com

faithbook.info

pepperrefo.com

kratochvil-elektro.com

artbyg2.com

123-e.com

levelupyourbody.info

ecommercebusinessowner.com

floraseriestrilogy.com

sdyykt.com

swchof.com

huaxinhui.tech

sems-iress2016.com

vasudhalibrary.com

Signatures

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

Xloader payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/2612-12-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/2612-17-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/2612-21-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1064-28-0x0000000000A10000-0x0000000000A39000-memory.dmp	xloader

Blocklisted process makes network request 2 IoCs

flow	pid	Process
48	1064	cmd.exe
53	1064	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1948 set thread context of 2612	1948	proforma invoice.exe	90
PID 2612 set thread context of 3444	2612	proforma invoice.exe	56
PID 2612 set thread context of 3444	2612	proforma invoice.exe	56
PID 1064 set thread context of 3444	1064	cmd.exe	56

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	proforma invoice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 51 IoCs

pid	Process
1948	proforma invoice.exe
2612	proforma invoice.exe
2612	proforma invoice.exe
2612	proforma invoice.exe
2612	proforma invoice.exe
2612	proforma invoice.exe
2612	proforma invoice.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe
1064	cmd.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2612	proforma invoice.exe
2612	proforma invoice.exe
2612	proforma invoice.exe
2612	proforma invoice.exe
1064	cmd.exe
1064	cmd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1948	proforma invoice.exe
Token: SeDebugPrivilege	2612	proforma invoice.exe
Token: SeDebugPrivilege	1064	cmd.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 2612	1948	proforma invoice.exe	90
PID 1948 wrote to memory of 2612	1948	proforma invoice.exe	90
PID 1948 wrote to memory of 2612	1948	proforma invoice.exe	90
PID 1948 wrote to memory of 2612	1948	proforma invoice.exe	90
PID 1948 wrote to memory of 2612	1948	proforma invoice.exe	90
PID 1948 wrote to memory of 2612	1948	proforma invoice.exe	90
PID 3444 wrote to memory of 1064	3444	Explorer.EXE	92
PID 3444 wrote to memory of 1064	3444	Explorer.EXE	92
PID 3444 wrote to memory of 1064	3444	Explorer.EXE	92
PID 1064 wrote to memory of 1772	1064	cmd.exe	93
PID 1064 wrote to memory of 1772	1064	cmd.exe	93
PID 1064 wrote to memory of 1772	1064	cmd.exe	93

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3444
- C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1948
- - C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2612
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  - Blocklisted process makes network request
  - 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:1064
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1772

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/1064-27-0x0000000000AB0000-0x0000000000B0A000-memory.dmp

Filesize
360KB

Download
memory/1064-25-0x0000000000AB0000-0x0000000000B0A000-memory.dmp

Filesize
360KB

Download
memory/1064-28-0x0000000000A10000-0x0000000000A39000-memory.dmp

Filesize
164KB

Download
memory/1948-4-0x0000000005BC0000-0x0000000005C5C000-memory.dmp

Filesize
624KB

Download
memory/1948-3-0x0000000005B20000-0x0000000005BB2000-memory.dmp

Filesize
584KB

Download
memory/1948-5-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/1948-6-0x0000000005AB0000-0x0000000005ABA000-memory.dmp

Filesize
40KB

Download
memory/1948-7-0x0000000005DD0000-0x0000000005DD8000-memory.dmp

Filesize
32KB

Download
memory/1948-8-0x0000000074DFE000-0x0000000074DFF000-memory.dmp

Filesize
4KB

Download
memory/1948-9-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/1948-10-0x0000000008C90000-0x0000000008D2C000-memory.dmp

Filesize
624KB

Download
memory/1948-11-0x000000000B410000-0x000000000B45C000-memory.dmp

Filesize
304KB

Download
memory/1948-2-0x0000000006030000-0x00000000065D4000-memory.dmp

Filesize
5.6MB

Download
memory/1948-14-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/1948-0-0x0000000074DFE000-0x0000000074DFF000-memory.dmp

Filesize
4KB

Download
memory/1948-1-0x0000000000FE0000-0x00000000010D4000-memory.dmp

Filesize
976KB

Download
memory/2612-15-0x0000000001590000-0x00000000018DA000-memory.dmp

Filesize
3.3MB

Download
memory/2612-22-0x00000000010E0000-0x00000000010F1000-memory.dmp

Filesize
68KB

Download
memory/2612-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2612-17-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2612-18-0x0000000001050000-0x0000000001061000-memory.dmp

Filesize
68KB

Download
memory/2612-12-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3444-19-0x0000000002790000-0x00000000028FA000-memory.dmp

Filesize
1.4MB

Download
memory/3444-23-0x0000000002B20000-0x0000000002BD5000-memory.dmp

Filesize
724KB

Download
memory/3444-24-0x0000000002790000-0x00000000028FA000-memory.dmp

Filesize
1.4MB

Download
memory/3444-29-0x0000000002B20000-0x0000000002BD5000-memory.dmp

Filesize
724KB

Download
memory/3444-32-0x0000000008100000-0x00000000081C3000-memory.dmp

Filesize
780KB

Download
memory/3444-34-0x0000000008100000-0x00000000081C3000-memory.dmp

Filesize
780KB

Download

Analysis

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