xloader | 38dc6496f79d8b2be723b6285c5bf3725d07a837dcd0d8ec339428f9177c1045

General

Target

38dc6496f79d8b2be723b6285c5bf3725d07a837dcd0d8ec339428f9177c1045.exe
Size

879KB
MD5

f58fb03057ddaa00cb0e46d7d0241589
SHA1

088280f1e9c3fb51bebe03ee4767936a5ff5fb0e
SHA256

38dc6496f79d8b2be723b6285c5bf3725d07a837dcd0d8ec339428f9177c1045
SHA512

4c5f0974151a578ee2e1007c2ac64e5e60d7e9bcd746a7343a5e7ef0a7239916409dfd1a1607661e25c813de84388dd6b2504febf28bf5e85d7d0b7b210a6a1a
SSDEEP

12288:9/cIIK2eES2R08gkS/m5Xk6JabFu6PxdoYFpzQBcYml6VZQNBZIKUPke:9HIVTngkkIXk6JguUdV0VCqCdIc

Score

10^/10

xloader vu9b discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

vu9b

Decoy

longdoggy.net

gylvs.com

evonnemccray.com

nicemoneymaker.com

baby-schutzen.com

xgahovzm.icu

psdcompany.com

makeupjunkiewholesale.com

vz357.com

carshownet.com

forneyus.com

nfoptic.com

lampacosmetiques.com

newmandu.com

localupdate.net

theartofmajur1.com

bancosecurity.website

cabinhealthy.com

tiprent.com

lloydwellsandassociates.com

Signatures

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

Xloader payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2248-15-0x0000000000400000-0x0000000000429000-memory.dmp	xloader

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1988 set thread context of 2248	1988	38dc6496f79d8b2be723b6285c5bf3725d07a837dcd0d8ec339428f9177c1045.exe	31

System Location Discovery: System Language Discovery 1 TTPs 1 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	38dc6496f79d8b2be723b6285c5bf3725d07a837dcd0d8ec339428f9177c1045.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1988	38dc6496f79d8b2be723b6285c5bf3725d07a837dcd0d8ec339428f9177c1045.exe
1988	38dc6496f79d8b2be723b6285c5bf3725d07a837dcd0d8ec339428f9177c1045.exe
2248	38dc6496f79d8b2be723b6285c5bf3725d07a837dcd0d8ec339428f9177c1045.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1988	38dc6496f79d8b2be723b6285c5bf3725d07a837dcd0d8ec339428f9177c1045.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 2248	1988	38dc6496f79d8b2be723b6285c5bf3725d07a837dcd0d8ec339428f9177c1045.exe	31
PID 1988 wrote to memory of 2248	1988	38dc6496f79d8b2be723b6285c5bf3725d07a837dcd0d8ec339428f9177c1045.exe	31
PID 1988 wrote to memory of 2248	1988	38dc6496f79d8b2be723b6285c5bf3725d07a837dcd0d8ec339428f9177c1045.exe	31
PID 1988 wrote to memory of 2248	1988	38dc6496f79d8b2be723b6285c5bf3725d07a837dcd0d8ec339428f9177c1045.exe	31
PID 1988 wrote to memory of 2248	1988	38dc6496f79d8b2be723b6285c5bf3725d07a837dcd0d8ec339428f9177c1045.exe	31
PID 1988 wrote to memory of 2248	1988	38dc6496f79d8b2be723b6285c5bf3725d07a837dcd0d8ec339428f9177c1045.exe	31
PID 1988 wrote to memory of 2248	1988	38dc6496f79d8b2be723b6285c5bf3725d07a837dcd0d8ec339428f9177c1045.exe	31

C:\Users\Admin\AppData\Local\Temp\38dc6496f79d8b2be723b6285c5bf3725d07a837dcd0d8ec339428f9177c1045.exe
"C:\Users\Admin\AppData\Local\Temp\38dc6496f79d8b2be723b6285c5bf3725d07a837dcd0d8ec339428f9177c1045.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1988
- C:\Users\Admin\AppData\Local\Temp\38dc6496f79d8b2be723b6285c5bf3725d07a837dcd0d8ec339428f9177c1045.exe
  "C:\Users\Admin\AppData\Local\Temp\38dc6496f79d8b2be723b6285c5bf3725d07a837dcd0d8ec339428f9177c1045.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2248

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/1988-6-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/1988-8-0x0000000000510000-0x0000000000542000-memory.dmp

Filesize
200KB

Download
memory/1988-2-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/1988-3-0x0000000000460000-0x000000000046C000-memory.dmp

Filesize
48KB

Download
memory/1988-4-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/1988-5-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/1988-1-0x0000000000CC0000-0x0000000000DA2000-memory.dmp

Filesize
904KB

Download
memory/1988-7-0x0000000005D10000-0x0000000005D8A000-memory.dmp

Filesize
488KB

Download
memory/1988-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/1988-16-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2248-11-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2248-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2248-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2248-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2248-17-0x0000000000DB0000-0x00000000010B3000-memory.dmp

Filesize
3.0MB

Download

Analysis

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