xloader | 1524c77791d2167c07ff0a63cd3aa0cc2b069939994d4e0bd5c0eebcb8b2934f

General

Target

purchase inquiry/purchase inquiry.exe
Size

478KB
MD5

7b609be1e4a80e64255bae244ccbd7d9
SHA1

7fdafd903951c4d001c4ee166a56e84ab521b148
SHA256

a502d5124ce1a2f6cf2b1daba71b936c4ef0c0b876a59393309311af4530b2a3
SHA512

0923ed7453eae902e7cc7cca6e33cfa7353c1c9115cf5de0022b519c645bdb77bc7fa09d2a63d29f63719d6257f29b9cbadbf2de833831063bff8e4c486d4125
SSDEEP

6144:qGiVg8tb1jW/xx8gTnEc8LTMVQc+W2X9sAgxHrK431F86YmhvTOMC4xx+hsl:ktBsAQEcMT9s2X9qE0FyCx+Gl

Score

10^/10

xloader ze2k discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

ze2k

Decoy

thesisibrush.com

triligence.com

chestnutsquare.net

primojavera.quest

topspeed-logistics.com

28684jy.com

spacesolo.com

paramusrealtor.com

designercandleco.com

profit-fx.com

medicosconnect.ltd

skylergray.net

prolaint.net

mvptcodesupport.com

empoweredsolutions.info

myhoja.com

cqueensbakery.com

thenorthfacesold.online

arttonft.net

angelaporterward.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/2488-9-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2488-12-0x0000000000400000-0x0000000000429000-memory.dmp	xloader

Loads dropped DLL 1 IoCs

pid	Process
2460	purchase inquiry.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2460 set thread context of 2488	2460	purchase inquiry.exe	31
PID 2488 set thread context of 1196	2488	purchase inquiry.exe	21

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
1848	2992	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	purchase inquiry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2488	purchase inquiry.exe
2488	purchase inquiry.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2488	purchase inquiry.exe
2488	purchase inquiry.exe
2488	purchase inquiry.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2488	purchase inquiry.exe
Token: SeShutdownPrivilege	1196	Explorer.EXE
Token: SeShutdownPrivilege	1196	Explorer.EXE
Token: SeShutdownPrivilege	1196	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 2488	2460	purchase inquiry.exe	31
PID 2460 wrote to memory of 2488	2460	purchase inquiry.exe	31
PID 2460 wrote to memory of 2488	2460	purchase inquiry.exe	31
PID 2460 wrote to memory of 2488	2460	purchase inquiry.exe	31
PID 2460 wrote to memory of 2488	2460	purchase inquiry.exe	31
PID 2460 wrote to memory of 2488	2460	purchase inquiry.exe	31
PID 2460 wrote to memory of 2488	2460	purchase inquiry.exe	31
PID 1196 wrote to memory of 2992	1196	Explorer.EXE	32
PID 1196 wrote to memory of 2992	1196	Explorer.EXE	32
PID 1196 wrote to memory of 2992	1196	Explorer.EXE	32
PID 1196 wrote to memory of 2992	1196	Explorer.EXE	32
PID 1196 wrote to memory of 2992	1196	Explorer.EXE	32
PID 1196 wrote to memory of 2992	1196	Explorer.EXE	32
PID 1196 wrote to memory of 2992	1196	Explorer.EXE	32
PID 2992 wrote to memory of 1848	2992	msiexec.exe	33
PID 2992 wrote to memory of 1848	2992	msiexec.exe	33
PID 2992 wrote to memory of 1848	2992	msiexec.exe	33
PID 2992 wrote to memory of 1848	2992	msiexec.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\purchase inquiry\purchase inquiry.exe
  "C:\Users\Admin\AppData\Local\Temp\purchase inquiry\purchase inquiry.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2460
- - C:\Users\Admin\AppData\Local\Temp\purchase inquiry\purchase inquiry.exe
    "C:\Users\Admin\AppData\Local\Temp\purchase inquiry\purchase inquiry.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2488
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2992
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2992 -s 268
    3⤵
    - Program crash
    PID:1848

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

C:\Users\Admin\AppData\Local\Temp\nstD328.tmp\kqzumo.dll

Filesize
113KB

MD5
308631a500f8d984dee36b054ed45c1d

SHA1
aea27d0fa8574d6dd40fdd8525a08083ae2dbda2

SHA256
af3b4ee5be463951c6c7c2dfd2303391f42c64bd54b74fbbfd89db54e35023c7

SHA512
5e72932cf8e46163e9f9185c3d66f9776a0edcf853bad8963efdbe63ed0c8c5f7ec3c990abfec54c5bb79cbdbfe469fd6598b2c37c1598433ca2f7faf2bb7f2a

Download Submit
memory/1196-13-0x0000000004D90000-0x0000000004E65000-memory.dmp

Filesize
852KB

Download
memory/1196-22-0x0000000004D90000-0x0000000004E65000-memory.dmp

Filesize
852KB

Download
memory/2460-7-0x0000000010000000-0x0000000010021000-memory.dmp

Filesize
132KB

Download
memory/2460-10-0x0000000010000000-0x0000000010021000-memory.dmp

Filesize
132KB

Download
memory/2488-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2488-12-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2992-16-0x0000000000CD0000-0x0000000000CE4000-memory.dmp

Filesize
80KB

Download
memory/2992-17-0x0000000000CD0000-0x0000000000CE4000-memory.dmp

Filesize
80KB

Download
memory/2992-19-0x0000000000CD0000-0x0000000000CE4000-memory.dmp

Filesize
80KB

Download

Analysis

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