xloader | 8527448ad0abb36e21c59136ab49a0886ebbf2548d3277ed7823907d0517d374

General

Target

dc8cd94e547cd182eb96ea6d3af0b25bcf11827d6a0f8fcd4d340358e1f9bc77.exe
Size

1.6MB
MD5

ba840e7358bb4e302e1fb21af1e3c77a
SHA1

6d3b9505425e00c404216b853ff6dcea40f286d0
SHA256

dc8cd94e547cd182eb96ea6d3af0b25bcf11827d6a0f8fcd4d340358e1f9bc77
SHA512

0e9b0ca9340d37aed1207cd4f1886584e61a8eee38aeb3c0f4c41d2dc7cf8c5b280d1abfb4086d23441e1a2a33baa80d47b782f2e2cb79026bbd5adeeb3c2c60
SSDEEP

24576:7Bvct+W5oaXpcB7mVSaccPuvcd5OGQT/1/0nS+7n4SYwqK4zf3RTsAHWAgqChJ+N:p6iecPBGj2IpqpFNQuiNB/e

Score

10^/10

xloader c8bs discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

c8bs

Decoy

wdreparaciones.com

cateac.com

thenaturalattar.com

maebaelife.com

yh28r.com

ethiopiantravelguru.com

creative-artworks.net

palominomobilenotary.com

thelaundrymate.site

sgacraft.online

starbleach.com

nhansacvietnam.net

menab2b.net

xn--2osw87cr3a47lw2o.com

ztxwnqe.icu

zbzs02.com

vikkstarswazoneshowdown.com

beijingjin6.icu

sawingtechnologies.com

szzycb.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/2664-18-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/2664-21-0x00000000008C0000-0x0000000000BC3000-memory.dmp	xloader

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1684 set thread context of 2664	1684	dc8cd94e547cd182eb96ea6d3af0b25bcf11827d6a0f8fcd4d340358e1f9bc77.exe	33

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

System Information Discovery
T1082

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	dc8cd94e547cd182eb96ea6d3af0b25bcf11827d6a0f8fcd4d340358e1f9bc77.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2772	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1684	dc8cd94e547cd182eb96ea6d3af0b25bcf11827d6a0f8fcd4d340358e1f9bc77.exe
2664	dc8cd94e547cd182eb96ea6d3af0b25bcf11827d6a0f8fcd4d340358e1f9bc77.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1684	dc8cd94e547cd182eb96ea6d3af0b25bcf11827d6a0f8fcd4d340358e1f9bc77.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 2772	1684	dc8cd94e547cd182eb96ea6d3af0b25bcf11827d6a0f8fcd4d340358e1f9bc77.exe	31
PID 1684 wrote to memory of 2772	1684	dc8cd94e547cd182eb96ea6d3af0b25bcf11827d6a0f8fcd4d340358e1f9bc77.exe	31
PID 1684 wrote to memory of 2772	1684	dc8cd94e547cd182eb96ea6d3af0b25bcf11827d6a0f8fcd4d340358e1f9bc77.exe	31
PID 1684 wrote to memory of 2772	1684	dc8cd94e547cd182eb96ea6d3af0b25bcf11827d6a0f8fcd4d340358e1f9bc77.exe	31
PID 1684 wrote to memory of 2664	1684	dc8cd94e547cd182eb96ea6d3af0b25bcf11827d6a0f8fcd4d340358e1f9bc77.exe	33
PID 1684 wrote to memory of 2664	1684	dc8cd94e547cd182eb96ea6d3af0b25bcf11827d6a0f8fcd4d340358e1f9bc77.exe	33
PID 1684 wrote to memory of 2664	1684	dc8cd94e547cd182eb96ea6d3af0b25bcf11827d6a0f8fcd4d340358e1f9bc77.exe	33
PID 1684 wrote to memory of 2664	1684	dc8cd94e547cd182eb96ea6d3af0b25bcf11827d6a0f8fcd4d340358e1f9bc77.exe	33
PID 1684 wrote to memory of 2664	1684	dc8cd94e547cd182eb96ea6d3af0b25bcf11827d6a0f8fcd4d340358e1f9bc77.exe	33
PID 1684 wrote to memory of 2664	1684	dc8cd94e547cd182eb96ea6d3af0b25bcf11827d6a0f8fcd4d340358e1f9bc77.exe	33
PID 1684 wrote to memory of 2664	1684	dc8cd94e547cd182eb96ea6d3af0b25bcf11827d6a0f8fcd4d340358e1f9bc77.exe	33

C:\Users\Admin\AppData\Local\Temp\dc8cd94e547cd182eb96ea6d3af0b25bcf11827d6a0f8fcd4d340358e1f9bc77.exe
"C:\Users\Admin\AppData\Local\Temp\dc8cd94e547cd182eb96ea6d3af0b25bcf11827d6a0f8fcd4d340358e1f9bc77.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wiWdfAno" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA100.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2772
- C:\Users\Admin\AppData\Local\Temp\dc8cd94e547cd182eb96ea6d3af0b25bcf11827d6a0f8fcd4d340358e1f9bc77.exe
  "C:\Users\Admin\AppData\Local\Temp\dc8cd94e547cd182eb96ea6d3af0b25bcf11827d6a0f8fcd4d340358e1f9bc77.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA100.tmp

Filesize
1KB

MD5
7d983913cdc9203b020910449ab77d0d

SHA1
b7493f910a74876ff9b7d48cce85f399f0f533e5

SHA256
21013577c660241f3fae289d797cee52d87afe21929b0b99e0c13b8565629663

SHA512
24689e42210c229ea2c2d17ee968eaa593f016c49610bebecd9b482710b7f598da66daa866c65c45b67507a69d5e96536833ee27ee2eff15b86e845e0c05dcb5

Download Submit
memory/1684-4-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/1684-19-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/1684-3-0x000000007409E000-0x000000007409F000-memory.dmp

Filesize
4KB

Download
memory/1684-0-0x000000007409E000-0x000000007409F000-memory.dmp

Filesize
4KB

Download
memory/1684-5-0x0000000000230000-0x0000000000266000-memory.dmp

Filesize
216KB

Download
memory/1684-6-0x0000000005490000-0x0000000005508000-memory.dmp

Filesize
480KB

Download
memory/1684-2-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/1684-1-0x0000000000BD0000-0x0000000000D66000-memory.dmp

Filesize
1.6MB

Download
memory/1684-7-0x0000000000860000-0x0000000000890000-memory.dmp

Filesize
192KB

Download
memory/2664-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2664-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2664-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2664-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2664-20-0x00000000008C0000-0x0000000000BC3000-memory.dmp

Filesize
3.0MB

Download
memory/2664-21-0x00000000008C0000-0x0000000000BC3000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads