xloader | 89ce5deea4986b1d484b34bee77c58899dab5ce01c8f62b9ac2ca8e9bbed79bd

General

Target

kargonuzu doğrulayın_07052022-Ref_#1326425139484.exe
Size

382KB
MD5

69c60f14117c4a3440b945c28dcff034
SHA1

1891b961eb682ba5fbe8e2be9bb0a5c748c73cfc
SHA256

89ce5deea4986b1d484b34bee77c58899dab5ce01c8f62b9ac2ca8e9bbed79bd
SHA512

0b8f798757f1ab70430db150d6c2251484f25c7bed52bab32ddcc12adb2a41930c420e4eda194dd980af99012c9315b085eb5eb24d04f3059f2259241eaa9ee0

Score

10^/10

xloader loader persistence rat suricata

Malware Config

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata

Xloader Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4420-132-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/4420-138-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/2368-141-0x0000000000810000-0x000000000083C000-memory.dmp	xloader
behavioral2/memory/2368-145-0x0000000000810000-0x000000000083C000-memory.dmp	xloader

Executes dropped EXE 1 IoCs

Processes:

s0sdana8apxxm.exe

pid process

1004 s0sdana8apxxm.exe

pid	process
1004	s0sdana8apxxm.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HHLXV4Q810 = "C:\\Program Files (x86)\\D5ji4w\\s0sdana8apxxm.exe"	msiexec.exe
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	msiexec.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

kargonuzu doğrulayın_07052022-Ref_#1326425139484.execvtres.exemsiexec.exe

description	pid	process	target process
PID 1524 set thread context of 4420	1524	kargonuzu doğrulayın_07052022-Ref_#1326425139484.exe	cvtres.exe
PID 4420 set thread context of 3136	4420	cvtres.exe	Explorer.EXE
PID 2368 set thread context of 3136	2368	msiexec.exe	Explorer.EXE

Drops file in Program Files directory 4 IoCs

Processes:

msiexec.exeExplorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\D5ji4w\s0sdana8apxxm.exe	msiexec.exe
File opened for modification	C:\Program Files (x86)\D5ji4w	Explorer.EXE
File created	C:\Program Files (x86)\D5ji4w\s0sdana8apxxm.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\D5ji4w\s0sdana8apxxm.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	msiexec.exe

Modifies registry class 3 IoCs

Processes:

Explorer.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 48 IoCs

Processes:

cvtres.exemsiexec.exe

pid	process
4420	cvtres.exe
4420	cvtres.exe
4420	cvtres.exe
4420	cvtres.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe
2368	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3136 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

cvtres.exemsiexec.exe

pid process

4420 cvtres.exe
4420 cvtres.exe
4420 cvtres.exe
2368 msiexec.exe
2368 msiexec.exe
2368 msiexec.exe
2368 msiexec.exe

pid	process
3136	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 12 IoCs

Processes:

cvtres.exemsiexec.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	4420	cvtres.exe
Token: SeDebugPrivilege	2368	msiexec.exe
Token: SeShutdownPrivilege	3136	Explorer.EXE
Token: SeCreatePagefilePrivilege	3136	Explorer.EXE
Token: SeShutdownPrivilege	3136	Explorer.EXE
Token: SeCreatePagefilePrivilege	3136	Explorer.EXE
Token: SeShutdownPrivilege	3136	Explorer.EXE
Token: SeCreatePagefilePrivilege	3136	Explorer.EXE
Token: SeShutdownPrivilege	3136	Explorer.EXE
Token: SeCreatePagefilePrivilege	3136	Explorer.EXE
Token: SeShutdownPrivilege	3136	Explorer.EXE
Token: SeCreatePagefilePrivilege	3136	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

3136 Explorer.EXE
3136 Explorer.EXE

pid	process
3136	Explorer.EXE
3136	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

kargonuzu doğrulayın_07052022-Ref_#1326425139484.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 1524 wrote to memory of 4420	1524	kargonuzu doğrulayın_07052022-Ref_#1326425139484.exe	cvtres.exe
PID 1524 wrote to memory of 4420	1524	kargonuzu doğrulayın_07052022-Ref_#1326425139484.exe	cvtres.exe
PID 1524 wrote to memory of 4420	1524	kargonuzu doğrulayın_07052022-Ref_#1326425139484.exe	cvtres.exe
PID 1524 wrote to memory of 4420	1524	kargonuzu doğrulayın_07052022-Ref_#1326425139484.exe	cvtres.exe
PID 1524 wrote to memory of 4420	1524	kargonuzu doğrulayın_07052022-Ref_#1326425139484.exe	cvtres.exe
PID 1524 wrote to memory of 4420	1524	kargonuzu doğrulayın_07052022-Ref_#1326425139484.exe	cvtres.exe
PID 3136 wrote to memory of 2368	3136	Explorer.EXE	msiexec.exe
PID 3136 wrote to memory of 2368	3136	Explorer.EXE	msiexec.exe
PID 3136 wrote to memory of 2368	3136	Explorer.EXE	msiexec.exe
PID 2368 wrote to memory of 4872	2368	msiexec.exe	cmd.exe
PID 2368 wrote to memory of 4872	2368	msiexec.exe	cmd.exe
PID 2368 wrote to memory of 4872	2368	msiexec.exe	cmd.exe
PID 2368 wrote to memory of 4832	2368	msiexec.exe	Firefox.exe
PID 2368 wrote to memory of 4832	2368	msiexec.exe	Firefox.exe
PID 2368 wrote to memory of 4832	2368	msiexec.exe	Firefox.exe
PID 3136 wrote to memory of 1004	3136	Explorer.EXE	s0sdana8apxxm.exe
PID 3136 wrote to memory of 1004	3136	Explorer.EXE	s0sdana8apxxm.exe
PID 3136 wrote to memory of 1004	3136	Explorer.EXE	s0sdana8apxxm.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3136

C:\Users\Admin\AppData\Local\Temp\kargonuzu doğrulayın_07052022-Ref_#1326425139484.exe
"C:\Users\Admin\AppData\Local\Temp\kargonuzu doğrulayın_07052022-Ref_#1326425139484.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1524

C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4420

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:4400

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:3568

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:3612

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:4588

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2368

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
3⤵
PID:4872

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:4832

C:\Program Files (x86)\D5ji4w\s0sdana8apxxm.exe
"C:\Program Files (x86)\D5ji4w\s0sdana8apxxm.exe"
2⤵
- Executes dropped EXE
PID:1004

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\D5ji4w\s0sdana8apxxm.exe
Filesize
45KB

MD5
70d838a7dc5b359c3f938a71fad77db0

SHA1
66b83eb16481c334719eed406bc58a3c2b910923

SHA256
e4dbdbf7888ea96f3f8aa5c4c7f2bcf6e57d724dd8194fe5f35b673c6ef724ea

SHA512
9c9a945db5b5e7ff8105bfe74578e6f00b5f707f7c3d8f1f1fb41553a6d0eab29cef026e77877a1ad6435fa7bc369141921442e1485f2b0894c6bbcbd7791034

Download Submit
C:\Program Files (x86)\D5ji4w\s0sdana8apxxm.exe
Filesize
45KB

MD5
70d838a7dc5b359c3f938a71fad77db0

SHA1
66b83eb16481c334719eed406bc58a3c2b910923

SHA256
e4dbdbf7888ea96f3f8aa5c4c7f2bcf6e57d724dd8194fe5f35b673c6ef724ea

SHA512
9c9a945db5b5e7ff8105bfe74578e6f00b5f707f7c3d8f1f1fb41553a6d0eab29cef026e77877a1ad6435fa7bc369141921442e1485f2b0894c6bbcbd7791034

Download Submit
memory/1004-147-0x0000000000000000-mapping.dmp

Download
memory/1524-130-0x0000000000800000-0x0000000000862000-memory.dmp

Filesize
392KB

Download
memory/2368-137-0x0000000000000000-mapping.dmp

Download
memory/2368-145-0x0000000000810000-0x000000000083C000-memory.dmp

Filesize
176KB

Download
memory/2368-141-0x0000000000810000-0x000000000083C000-memory.dmp

Filesize
176KB

Download
memory/2368-140-0x0000000000490000-0x00000000004A2000-memory.dmp

Filesize
72KB

Download
memory/2368-142-0x0000000002710000-0x0000000002A5A000-memory.dmp

Filesize
3.3MB

Download
memory/2368-143-0x0000000002540000-0x00000000025D0000-memory.dmp

Filesize
576KB

Download
memory/3136-136-0x0000000008660000-0x0000000008768000-memory.dmp

Filesize
1.0MB

Download
memory/3136-144-0x0000000008A40000-0x0000000008B7D000-memory.dmp

Filesize
1.2MB

Download
memory/3136-146-0x0000000008A40000-0x0000000008B7D000-memory.dmp

Filesize
1.2MB

Download
memory/4420-135-0x0000000001520000-0x0000000001531000-memory.dmp

Filesize
68KB

Download
memory/4420-138-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4420-134-0x00000000019E0000-0x0000000001D2A000-memory.dmp

Filesize
3.3MB

Download
memory/4420-132-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4420-131-0x0000000000000000-mapping.dmp

Download
memory/4872-139-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads