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 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2964-14-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2964-19-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2760-24-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

pid	Process
2848	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2528 set thread context of 2964	2528	proforma invoice.exe	30
PID 2964 set thread context of 1212	2964	proforma invoice.exe	21
PID 2760 set thread context of 1212	2760	svchost.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	proforma invoice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2528	proforma invoice.exe
2964	proforma invoice.exe
2964	proforma invoice.exe
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe
2760	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2964	proforma invoice.exe
2964	proforma invoice.exe
2964	proforma invoice.exe
2760	svchost.exe
2760	svchost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2528	proforma invoice.exe
Token: SeDebugPrivilege	2964	proforma invoice.exe
Token: SeDebugPrivilege	2760	svchost.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2964	2528	proforma invoice.exe	30
PID 2528 wrote to memory of 2964	2528	proforma invoice.exe	30
PID 2528 wrote to memory of 2964	2528	proforma invoice.exe	30
PID 2528 wrote to memory of 2964	2528	proforma invoice.exe	30
PID 2528 wrote to memory of 2964	2528	proforma invoice.exe	30
PID 2528 wrote to memory of 2964	2528	proforma invoice.exe	30
PID 2528 wrote to memory of 2964	2528	proforma invoice.exe	30
PID 1212 wrote to memory of 2760	1212	Explorer.EXE	31
PID 1212 wrote to memory of 2760	1212	Explorer.EXE	31
PID 1212 wrote to memory of 2760	1212	Explorer.EXE	31
PID 1212 wrote to memory of 2760	1212	Explorer.EXE	31
PID 2760 wrote to memory of 2848	2760	svchost.exe	32
PID 2760 wrote to memory of 2848	2760	svchost.exe	32
PID 2760 wrote to memory of 2848	2760	svchost.exe	32
PID 2760 wrote to memory of 2848	2760	svchost.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1212
- 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:2528
- - 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:2964
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.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:2760
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2848

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/1212-21-0x0000000004240000-0x00000000043B4000-memory.dmp

Filesize
1.5MB

Download
memory/1212-26-0x0000000003840000-0x0000000003940000-memory.dmp

Filesize
1024KB

Download
memory/1212-25-0x0000000004240000-0x00000000043B4000-memory.dmp

Filesize
1.5MB

Download
memory/1212-18-0x0000000000350000-0x0000000000450000-memory.dmp

Filesize
1024KB

Download
memory/2528-5-0x0000000074B10000-0x00000000751FE000-memory.dmp

Filesize
6.9MB

Download
memory/2528-3-0x0000000000230000-0x0000000000238000-memory.dmp

Filesize
32KB

Download
memory/2528-6-0x0000000007F40000-0x0000000007FDC000-memory.dmp

Filesize
624KB

Download
memory/2528-7-0x0000000000B00000-0x0000000000B4C000-memory.dmp

Filesize
304KB

Download
memory/2528-1-0x0000000000D00000-0x0000000000DF4000-memory.dmp

Filesize
976KB

Download
memory/2528-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/2528-2-0x0000000074B10000-0x00000000751FE000-memory.dmp

Filesize
6.9MB

Download
memory/2528-15-0x0000000074B10000-0x00000000751FE000-memory.dmp

Filesize
6.9MB

Download
memory/2528-4-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/2760-24-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/2760-22-0x0000000000DD0000-0x0000000000DD8000-memory.dmp

Filesize
32KB

Download
memory/2760-23-0x0000000000DD0000-0x0000000000DD8000-memory.dmp

Filesize
32KB

Download
memory/2964-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2964-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2964-20-0x0000000000150000-0x0000000000161000-memory.dmp

Filesize
68KB

Download
memory/2964-16-0x0000000000850000-0x0000000000B53000-memory.dmp

Filesize
3.0MB

Download
memory/2964-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2964-10-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2964-8-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

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