xloader | 7c189e20c6be34de44f057bb29b3ce02f20ad84d0584b75864047145f9bdba7c

General

Target

4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe
Size

1.0MB
MD5

91706d95a9aafe3c99f742e6d476fd66
SHA1

2b69023fcd198efe36909ae031726a02966c30a8
SHA256

4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080
SHA512

0f85a0ee382f0dfd02da27e52a0e4431da723aa99df88c8d78b92c0bc104c1282dd19841216bbd5b264df6120ec490e090bd5b7fbdb093a6a6fc153db510f23d
SSDEEP

12288:F7Dc9F3nC0Py3gAhPEJbjJEKFWxqG1ICxlLokn9z5ab2NJO92dJBfOjpkUhXRxOT:OY9jlLokn9z5dg2L0GUhHl1OMayg

Score

10^/10

xloader udew discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

udew

Decoy

danieleawilliams.com

miladjalilian.com

hzmila.com

elecreator.com

instrep.com

4tongzhi.com

sltreeserv.com

expressrev.com

dataresearchcenter.com

filmblingalley.com

3buagency.com

hxjh888.com

gotmetwistedcomb.com

vihco.com

scg.solutions

drcvkm.com

frostresorts.com

gintech.co.uk

luxury-holding.com

roupasdobras.com

Signatures

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

Xloader payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/3704-12-0x0000000000400000-0x0000000000428000-memory.dmp	xloader

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5088 set thread context of 3704	5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe	103

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	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe
5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe
5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe
5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe
5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe
5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe
5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe
5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe
3704	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe
3704	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 3940	5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe	99
PID 5088 wrote to memory of 3940	5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe	99
PID 5088 wrote to memory of 3940	5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe	99
PID 5088 wrote to memory of 3972	5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe	100
PID 5088 wrote to memory of 3972	5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe	100
PID 5088 wrote to memory of 3972	5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe	100
PID 5088 wrote to memory of 2936	5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe	101
PID 5088 wrote to memory of 2936	5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe	101
PID 5088 wrote to memory of 2936	5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe	101
PID 5088 wrote to memory of 1944	5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe	102
PID 5088 wrote to memory of 1944	5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe	102
PID 5088 wrote to memory of 1944	5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe	102
PID 5088 wrote to memory of 3704	5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe	103
PID 5088 wrote to memory of 3704	5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe	103
PID 5088 wrote to memory of 3704	5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe	103
PID 5088 wrote to memory of 3704	5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe	103
PID 5088 wrote to memory of 3704	5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe	103
PID 5088 wrote to memory of 3704	5088	4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe	103

C:\Users\Admin\AppData\Local\Temp\4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe
"C:\Users\Admin\AppData\Local\Temp\4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5088
- C:\Users\Admin\AppData\Local\Temp\4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe
  "C:\Users\Admin\AppData\Local\Temp\4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe"
  2⤵
  PID:3940
- C:\Users\Admin\AppData\Local\Temp\4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe
  "C:\Users\Admin\AppData\Local\Temp\4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe"
  2⤵
  PID:3972
- C:\Users\Admin\AppData\Local\Temp\4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe
  "C:\Users\Admin\AppData\Local\Temp\4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe"
  2⤵
  PID:2936
- C:\Users\Admin\AppData\Local\Temp\4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe
  "C:\Users\Admin\AppData\Local\Temp\4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe"
  2⤵
  PID:1944
- C:\Users\Admin\AppData\Local\Temp\4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe
  "C:\Users\Admin\AppData\Local\Temp\4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3704

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/3704-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3704-15-0x00000000014F0000-0x000000000183A000-memory.dmp

Filesize
3.3MB

Download
memory/5088-6-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/5088-3-0x0000000005150000-0x00000000051E2000-memory.dmp

Filesize
584KB

Download
memory/5088-4-0x00000000051F0000-0x000000000528C000-memory.dmp

Filesize
624KB

Download
memory/5088-5-0x0000000005100000-0x000000000510A000-memory.dmp

Filesize
40KB

Download
memory/5088-0-0x000000007521E000-0x000000007521F000-memory.dmp

Filesize
4KB

Download
memory/5088-7-0x0000000005310000-0x0000000005328000-memory.dmp

Filesize
96KB

Download
memory/5088-8-0x000000007521E000-0x000000007521F000-memory.dmp

Filesize
4KB

Download
memory/5088-9-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/5088-10-0x0000000006A90000-0x0000000006B2E000-memory.dmp

Filesize
632KB

Download
memory/5088-11-0x0000000006760000-0x000000000678E000-memory.dmp

Filesize
184KB

Download
memory/5088-2-0x0000000005660000-0x0000000005C04000-memory.dmp

Filesize
5.6MB

Download
memory/5088-14-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/5088-1-0x0000000000740000-0x0000000000846000-memory.dmp

Filesize
1.0MB

Download

Analysis

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