xloader | 95fb48e810c51e4ce990a1143a7081a35cca427a748120612d23a2e25f155e81

General

Target

3d376406d5d05f3f353447e17a2f5adab37ea85d72a3a7cefb33549c2a17c19f.exe
Size

582KB
MD5

7865e4215d53758ff1d749b26b56142e
SHA1

506db383bbaa167442c8dba0f0884b745cec8a8b
SHA256

3d376406d5d05f3f353447e17a2f5adab37ea85d72a3a7cefb33549c2a17c19f
SHA512

7064e831ebec08befc0ceb06780cf4a2159f6f9267f6e76cb9db1216aa42d84c1f0511ce6a7bf36957e28a9edfd78c7c71f9c947bd24fa610c5e4358f4a138f4
SSDEEP

12288:mm4R7v3Knn6oJyyInK+EUbwzLjXtBaESLEPalMXY2X51Pljh:ibal4nkUsBB/DkMx7Pljh

Score

10^/10

xloader uv34 discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

uv34

Decoy

lattakia-imbiss.com

helenafinaltouch.com

yogamays.com

habangli.com

embraceblm.com

freeurlsite.com

szxanpet.com

inspirationalsblog.com

calibratefirearms.net

chelseashalza.com

ihdeuruim.com

symbolofsafety.com

albanyhumanesociety.net

exclusiveoffer.bet

888yuntu.com

maraitime.com

caletaexperience.com

dreamlikeliving.com

wolvesmito.club

zbyunjin.com

Signatures

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

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/3536-12-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/3536-17-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral2/memory/2204-22-0x00000000006A0000-0x00000000006C8000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4044 set thread context of 3536	4044	3d376406d5d05f3f353447e17a2f5adab37ea85d72a3a7cefb33549c2a17c19f.exe	98
PID 3536 set thread context of 3516	3536	RegSvcs.exe	56
PID 2204 set thread context of 3516	2204	msdt.exe	56

System Location Discovery: System Language Discovery 1 TTPs 3 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	3d376406d5d05f3f353447e17a2f5adab37ea85d72a3a7cefb33549c2a17c19f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
4044	3d376406d5d05f3f353447e17a2f5adab37ea85d72a3a7cefb33549c2a17c19f.exe
3536	RegSvcs.exe
3536	RegSvcs.exe
3536	RegSvcs.exe
3536	RegSvcs.exe
2204	msdt.exe
2204	msdt.exe
2204	msdt.exe
2204	msdt.exe
2204	msdt.exe
2204	msdt.exe
2204	msdt.exe
2204	msdt.exe
2204	msdt.exe
2204	msdt.exe
2204	msdt.exe
2204	msdt.exe
2204	msdt.exe
2204	msdt.exe
2204	msdt.exe
2204	msdt.exe
2204	msdt.exe
2204	msdt.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3536	RegSvcs.exe
3536	RegSvcs.exe
3536	RegSvcs.exe
2204	msdt.exe
2204	msdt.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4044	3d376406d5d05f3f353447e17a2f5adab37ea85d72a3a7cefb33549c2a17c19f.exe
Token: SeDebugPrivilege	3536	RegSvcs.exe
Token: SeDebugPrivilege	2204	msdt.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4044 wrote to memory of 3536	4044	3d376406d5d05f3f353447e17a2f5adab37ea85d72a3a7cefb33549c2a17c19f.exe	98
PID 4044 wrote to memory of 3536	4044	3d376406d5d05f3f353447e17a2f5adab37ea85d72a3a7cefb33549c2a17c19f.exe	98
PID 4044 wrote to memory of 3536	4044	3d376406d5d05f3f353447e17a2f5adab37ea85d72a3a7cefb33549c2a17c19f.exe	98
PID 4044 wrote to memory of 3536	4044	3d376406d5d05f3f353447e17a2f5adab37ea85d72a3a7cefb33549c2a17c19f.exe	98
PID 4044 wrote to memory of 3536	4044	3d376406d5d05f3f353447e17a2f5adab37ea85d72a3a7cefb33549c2a17c19f.exe	98
PID 4044 wrote to memory of 3536	4044	3d376406d5d05f3f353447e17a2f5adab37ea85d72a3a7cefb33549c2a17c19f.exe	98
PID 3516 wrote to memory of 2204	3516	Explorer.EXE	99
PID 3516 wrote to memory of 2204	3516	Explorer.EXE	99
PID 3516 wrote to memory of 2204	3516	Explorer.EXE	99
PID 2204 wrote to memory of 4344	2204	msdt.exe	100
PID 2204 wrote to memory of 4344	2204	msdt.exe	100
PID 2204 wrote to memory of 4344	2204	msdt.exe	100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3516
- C:\Users\Admin\AppData\Local\Temp\3d376406d5d05f3f353447e17a2f5adab37ea85d72a3a7cefb33549c2a17c19f.exe
  "C:\Users\Admin\AppData\Local\Temp\3d376406d5d05f3f353447e17a2f5adab37ea85d72a3a7cefb33549c2a17c19f.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4044
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3536
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2204
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4344

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/2204-22-0x00000000006A0000-0x00000000006C8000-memory.dmp

Filesize
160KB

Download
memory/2204-21-0x0000000000D40000-0x0000000000D97000-memory.dmp

Filesize
348KB

Download
memory/2204-20-0x0000000000D40000-0x0000000000D97000-memory.dmp

Filesize
348KB

Download
memory/3516-19-0x00000000022A0000-0x0000000002368000-memory.dmp

Filesize
800KB

Download
memory/3516-29-0x0000000007960000-0x0000000007AE8000-memory.dmp

Filesize
1.5MB

Download
memory/3516-27-0x0000000007960000-0x0000000007AE8000-memory.dmp

Filesize
1.5MB

Download
memory/3516-26-0x0000000007960000-0x0000000007AE8000-memory.dmp

Filesize
1.5MB

Download
memory/3516-23-0x00000000022A0000-0x0000000002368000-memory.dmp

Filesize
800KB

Download
memory/3536-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3536-15-0x0000000001220000-0x000000000156A000-memory.dmp

Filesize
3.3MB

Download
memory/3536-17-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3536-18-0x00000000009F0000-0x0000000000A00000-memory.dmp

Filesize
64KB

Download
memory/4044-8-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/4044-14-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4044-0-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/4044-11-0x0000000000ED0000-0x0000000000F06000-memory.dmp

Filesize
216KB

Download
memory/4044-10-0x0000000000DC0000-0x0000000000E40000-memory.dmp

Filesize
512KB

Download
memory/4044-9-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4044-7-0x00000000053E0000-0x00000000053EA000-memory.dmp

Filesize
40KB

Download
memory/4044-6-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4044-5-0x00000000050E0000-0x00000000050EA000-memory.dmp

Filesize
40KB

Download
memory/4044-4-0x00000000051B0000-0x000000000524C000-memory.dmp

Filesize
624KB

Download
memory/4044-3-0x0000000005020000-0x00000000050B2000-memory.dmp

Filesize
584KB

Download
memory/4044-2-0x00000000056C0000-0x0000000005C64000-memory.dmp

Filesize
5.6MB

Download
memory/4044-1-0x00000000005B0000-0x0000000000648000-memory.dmp

Filesize
608KB

Download

Analysis

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