xloader | ccbe9e305f5ba3d97682fe5ebd634799f9d84004b5781d16a9e65fdd60020394

General

Target

john.exe
Size

501KB
MD5

f5dae2c70407ffa5383fd9fe6442e681
SHA1

b6d90585000081f040f415ec33199e485888dd1c
SHA256

d88a92e9507b6a45dad8c21cdae0abe7a6a97c3f4b8e2d692267a967317e26cd
SHA512

a69a23de5abc7518098a3ad9be8606cb3ce2f45fb8506e019156c1ed5c9d3cbfac3adbba520921f08ff5ae3879f610649b74c297417024bb6632ab6f5e76e405
SSDEEP

12288:0ZaxyU/MCq+2YNinizhdwKMJr5fkR8ZGA7gBQWTHMMs4nEmrAQH:0ZIL/V52Oish+KMJVfkR8/1M/nFH

Score

10^/10

xloader p980 discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.1

Campaign

p980

Decoy

iwantgoddessevelyn.com

attorneysiraq.com

stfairytale-gakuin.site

mybazaartrip.com

alexjrtransport.com

present-sense.store

bigbucks4you.com

westernwings.info

qrs4u.com

knightsbridgehouse.com

fanamfoods.com

ediblesareincredible.com

revinedbypao.com

psychsolutionsofdurham.com

xn--mykyr-kra.com

sweettreatsepiceats.com

quarnetta.com

femaletopic.com

rockstoneofblue.com

btbaidu.com

Signatures

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

Xloader payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2532-6-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/2532-10-0x0000000000400000-0x0000000000428000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2536 set thread context of 2532	2536	john.exe	30
PID 2532 set thread context of 1188	2532	RegAsm.exe	21
PID 2064 set thread context of 1188	2064	wininit.exe	21

System Location Discovery: System Language Discovery 1 TTPs 4 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	john.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wininit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2532	RegAsm.exe
2532	RegAsm.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe
2064	wininit.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2536	john.exe
2532	RegAsm.exe
2532	RegAsm.exe
2532	RegAsm.exe
2064	wininit.exe
2064	wininit.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2532	RegAsm.exe
Token: SeDebugPrivilege	2064	wininit.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2532	2536	john.exe	30
PID 2536 wrote to memory of 2532	2536	john.exe	30
PID 2536 wrote to memory of 2532	2536	john.exe	30
PID 2536 wrote to memory of 2532	2536	john.exe	30
PID 2536 wrote to memory of 2532	2536	john.exe	30
PID 2536 wrote to memory of 2532	2536	john.exe	30
PID 2536 wrote to memory of 2532	2536	john.exe	30
PID 2536 wrote to memory of 2532	2536	john.exe	30
PID 1188 wrote to memory of 2064	1188	Explorer.EXE	31
PID 1188 wrote to memory of 2064	1188	Explorer.EXE	31
PID 1188 wrote to memory of 2064	1188	Explorer.EXE	31
PID 1188 wrote to memory of 2064	1188	Explorer.EXE	31
PID 2064 wrote to memory of 2232	2064	wininit.exe	32
PID 2064 wrote to memory of 2232	2064	wininit.exe	32
PID 2064 wrote to memory of 2232	2064	wininit.exe	32
PID 2064 wrote to memory of 2232	2064	wininit.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Users\Admin\AppData\Local\Temp\john.exe
  "C:\Users\Admin\AppData\Local\Temp\john.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2536
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2532
- C:\Windows\SysWOW64\wininit.exe
  "C:\Windows\SysWOW64\wininit.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:2064
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2232

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/1188-12-0x0000000005070000-0x00000000051E2000-memory.dmp

Filesize
1.4MB

Download
memory/1188-16-0x0000000005070000-0x00000000051E2000-memory.dmp

Filesize
1.4MB

Download
memory/2064-13-0x0000000000D80000-0x0000000000D9A000-memory.dmp

Filesize
104KB

Download
memory/2064-15-0x0000000000D80000-0x0000000000D9A000-memory.dmp

Filesize
104KB

Download
memory/2532-11-0x0000000000240000-0x0000000000251000-memory.dmp

Filesize
68KB

Download
memory/2532-6-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2532-8-0x0000000002680000-0x0000000002983000-memory.dmp

Filesize
3.0MB

Download
memory/2532-10-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2536-5-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2536-7-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2536-0-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2536-4-0x0000000000EB0000-0x0000000000EE6000-memory.dmp

Filesize
216KB

Download
memory/2536-3-0x00000000004C0000-0x00000000004F6000-memory.dmp

Filesize
216KB

Download
memory/2536-2-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2536-1-0x00000000011F0000-0x0000000001274000-memory.dmp

Filesize
528KB

Download

Analysis

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