xloader | f90df1966e0f3f1c5b57a339c792d6f4119c3e558774585aba5e2273380caf75

General

Target

Orden de compra.exe
Size

240KB
MD5

79c4bfe2768aa6941fe3dddc7bd48e7d
SHA1

0f3d391d88a3b174ba33c3c1ef033f6089dbff16
SHA256

255506cf2f11fd60925729fe567e971eec5718dfff04051deac436d6e83874af
SHA512

c3e11a706269c476740645272ffac9229affe3e8263279ce9203735aa88916391c09408130e8d63acc7166570f8fe182fca387274151a34fbc315004a9ca4343
SSDEEP

6144:pBlL/4DgN8cOwmHQihvPJU9cubngctc57kyCwwX:P4gLeL69Vt7wA

Score

10^/10

xloader s4h4 discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

s4h4

Decoy

v65mwh.com

ofertasempresariais.com

apoteklowamedika.com

shopblvdhair.com

jtcameraftp.com

vimlark.com

wamodo.com

mistersvisuals.com

copterapps.com

jamesebraxton.com

darmarcasepatentes.com

texasroofrepairpros.com

okaycollective.net

rughouzz.com

dgzhileng.com

markstipsandtoes.com

globalgrowlights.com

thehustleandco.com

fdgrenewables.com

sweetsells.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/2368-11-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2368-13-0x0000000000400000-0x0000000000429000-memory.dmp	xloader

Loads dropped DLL 2 IoCs

pid	Process
2332	Orden de compra.exe
2332	Orden de compra.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2332 set thread context of 2368	2332	Orden de compra.exe	31
PID 2368 set thread context of 1124	2368	Orden de compra.exe	20

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2736	2072	WerFault.exe	32

System Location Discovery: System Language Discovery 1 TTPs 2 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	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Orden de compra.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2368	Orden de compra.exe
2368	Orden de compra.exe

Suspicious behavior: MapViewOfSection 4 IoCs

pid	Process
2332	Orden de compra.exe
2368	Orden de compra.exe
2368	Orden de compra.exe
2368	Orden de compra.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2368	Orden de compra.exe
Token: SeShutdownPrivilege	1124	Explorer.EXE
Token: SeShutdownPrivilege	1124	Explorer.EXE
Token: SeShutdownPrivilege	1124	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 2368	2332	Orden de compra.exe	31
PID 2332 wrote to memory of 2368	2332	Orden de compra.exe	31
PID 2332 wrote to memory of 2368	2332	Orden de compra.exe	31
PID 2332 wrote to memory of 2368	2332	Orden de compra.exe	31
PID 2332 wrote to memory of 2368	2332	Orden de compra.exe	31
PID 1124 wrote to memory of 2072	1124	Explorer.EXE	32
PID 1124 wrote to memory of 2072	1124	Explorer.EXE	32
PID 1124 wrote to memory of 2072	1124	Explorer.EXE	32
PID 1124 wrote to memory of 2072	1124	Explorer.EXE	32
PID 1124 wrote to memory of 2072	1124	Explorer.EXE	32
PID 1124 wrote to memory of 2072	1124	Explorer.EXE	32
PID 1124 wrote to memory of 2072	1124	Explorer.EXE	32
PID 2072 wrote to memory of 2736	2072	msiexec.exe	33
PID 2072 wrote to memory of 2736	2072	msiexec.exe	33
PID 2072 wrote to memory of 2736	2072	msiexec.exe	33
PID 2072 wrote to memory of 2736	2072	msiexec.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1124
- C:\Users\Admin\AppData\Local\Temp\Orden de compra.exe
  "C:\Users\Admin\AppData\Local\Temp\Orden de compra.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2332
- - C:\Users\Admin\AppData\Local\Temp\Orden de compra.exe
    "C:\Users\Admin\AppData\Local\Temp\Orden de compra.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2368
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2072
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 268
    3⤵
    - Program crash
    PID:2736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

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

\Users\Admin\AppData\Local\Temp\nsdCD9C.tmp\System.dll

Filesize
10KB

MD5
56a321bd011112ec5d8a32b2f6fd3231

SHA1
df20e3a35a1636de64df5290ae5e4e7572447f78

SHA256
bb6df93369b498eaa638b0bcdc4bb89f45e9b02ca12d28bcedf4629ea7f5e0f1

SHA512
5354890cbc53ce51081a78c64ba9c4c8c4dc9e01141798c1e916e19c5776dac7c82989fad0f08c73e81aaba332dad81205f90d0663119af45550b97b338b9cc3

Download Submit
memory/1124-14-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1124-15-0x0000000004F10000-0x0000000005041000-memory.dmp

Filesize
1.2MB

Download
memory/1124-24-0x0000000004F10000-0x0000000005041000-memory.dmp

Filesize
1.2MB

Download
memory/2072-18-0x0000000000DB0000-0x0000000000DC4000-memory.dmp

Filesize
80KB

Download
memory/2072-19-0x0000000000DB0000-0x0000000000DC4000-memory.dmp

Filesize
80KB

Download
memory/2072-21-0x0000000000DB0000-0x0000000000DC4000-memory.dmp

Filesize
80KB

Download
memory/2368-11-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2368-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

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