xloader | 2c6fad6a7fb8a7a34573dde4421ef3ad0dbf0b03da7d99aa34a9b398847914dc

General

Target

c3c712f6cafb2e2768423e6e5dd623177962b820e140d1942099090ba67b8100.exe
Size

1017KB
MD5

72a251065b2ede0e5f7cd372e04a815c
SHA1

df56b66ab765c9418658b6e4ccfab96a89bb357b
SHA256

c3c712f6cafb2e2768423e6e5dd623177962b820e140d1942099090ba67b8100
SHA512

5c7bb1fa8184fb0bbf3407abb85c20383ea24c9244801c0f57063985bf5a5f13cc4c3f2aeb33a63478895844315e0dcafba830cc3bc6e2286b12e187e0c1729a

Score

10^/10

xloader bsz6 loader persistence rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

bsz6

C2

http://www.hosotructiep.online/bsz6/

Decoy

rn-interior.com

padimo40.com

original-photos.com

gigacode.club

sacarwrap.com

daphne1.com

studyabroadway.com

caddonline.com

medicareadvplans.net

keyuhair.com

ethenea-paris.com

hungryhollow.farm

hirdavatgezegeni.com

biotransmitter.com

vrikshamfinance.com

holzhafen-bodensee.com

houseofbegums.com

dream-mart.tech

csitexas.biz

kitchenalamode.xyz

Signatures

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

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/652-127-0x0000000072480000-0x00000000724AA000-memory.dmp	xloader
behavioral2/memory/2932-133-0x0000000000B90000-0x0000000000BB9000-memory.dmp	xloader

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

c3c712f6cafb2e2768423e6e5dd623177962b820e140d1942099090ba67b8100.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\Gombst = "C:\\Users\\Public\\Libraries\\\\tsbmoG.url"	c3c712f6cafb2e2768423e6e5dd623177962b820e140d1942099090ba67b8100.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

mobsync.exenetsh.exe

description	pid	process	target process
PID 652 set thread context of 2872	652	mobsync.exe	Explorer.EXE
PID 2932 set thread context of 2872	2932	netsh.exe	Explorer.EXE

Modifies registry key 1 TTPs 3 IoCs

Modify Registry
T1112

Processes:

reg.exereg.exereg.exe

pid process

760 reg.exe
3632 reg.exe
592 reg.exe

pid	process
760	reg.exe
3632	reg.exe
592	reg.exe

Suspicious behavior: EnumeratesProcesses 56 IoCs

Processes:

mobsync.exenetsh.exe

pid	process
652	mobsync.exe
652	mobsync.exe
652	mobsync.exe
652	mobsync.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe
2932	netsh.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2872 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

mobsync.exenetsh.exe

pid process

652 mobsync.exe
652 mobsync.exe
652 mobsync.exe
2932 netsh.exe
2932 netsh.exe

pid	process
2872	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

mobsync.exenetsh.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	652	mobsync.exe
Token: SeDebugPrivilege	2932	netsh.exe
Token: SeShutdownPrivilege	2872	Explorer.EXE
Token: SeCreatePagefilePrivilege	2872	Explorer.EXE
Token: SeShutdownPrivilege	2872	Explorer.EXE
Token: SeCreatePagefilePrivilege	2872	Explorer.EXE
Token: SeShutdownPrivilege	2872	Explorer.EXE
Token: SeCreatePagefilePrivilege	2872	Explorer.EXE

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

c3c712f6cafb2e2768423e6e5dd623177962b820e140d1942099090ba67b8100.execmd.execmd.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 2848 wrote to memory of 652	2848	c3c712f6cafb2e2768423e6e5dd623177962b820e140d1942099090ba67b8100.exe	mobsync.exe
PID 2848 wrote to memory of 652	2848	c3c712f6cafb2e2768423e6e5dd623177962b820e140d1942099090ba67b8100.exe	mobsync.exe
PID 2848 wrote to memory of 652	2848	c3c712f6cafb2e2768423e6e5dd623177962b820e140d1942099090ba67b8100.exe	mobsync.exe
PID 2848 wrote to memory of 652	2848	c3c712f6cafb2e2768423e6e5dd623177962b820e140d1942099090ba67b8100.exe	mobsync.exe
PID 2848 wrote to memory of 652	2848	c3c712f6cafb2e2768423e6e5dd623177962b820e140d1942099090ba67b8100.exe	mobsync.exe
PID 2848 wrote to memory of 652	2848	c3c712f6cafb2e2768423e6e5dd623177962b820e140d1942099090ba67b8100.exe	mobsync.exe
PID 2848 wrote to memory of 664	2848	c3c712f6cafb2e2768423e6e5dd623177962b820e140d1942099090ba67b8100.exe	cmd.exe
PID 2848 wrote to memory of 664	2848	c3c712f6cafb2e2768423e6e5dd623177962b820e140d1942099090ba67b8100.exe	cmd.exe
PID 2848 wrote to memory of 664	2848	c3c712f6cafb2e2768423e6e5dd623177962b820e140d1942099090ba67b8100.exe	cmd.exe
PID 664 wrote to memory of 4012	664	cmd.exe	cmd.exe
PID 664 wrote to memory of 4012	664	cmd.exe	cmd.exe
PID 664 wrote to memory of 4012	664	cmd.exe	cmd.exe
PID 4012 wrote to memory of 760	4012	cmd.exe	reg.exe
PID 4012 wrote to memory of 760	4012	cmd.exe	reg.exe
PID 4012 wrote to memory of 760	4012	cmd.exe	reg.exe
PID 4012 wrote to memory of 3632	4012	cmd.exe	reg.exe
PID 4012 wrote to memory of 3632	4012	cmd.exe	reg.exe
PID 4012 wrote to memory of 3632	4012	cmd.exe	reg.exe
PID 4012 wrote to memory of 864	4012	cmd.exe	schtasks.exe
PID 4012 wrote to memory of 864	4012	cmd.exe	schtasks.exe
PID 4012 wrote to memory of 864	4012	cmd.exe	schtasks.exe
PID 2872 wrote to memory of 2932	2872	Explorer.EXE	netsh.exe
PID 2872 wrote to memory of 2932	2872	Explorer.EXE	netsh.exe
PID 2872 wrote to memory of 2932	2872	Explorer.EXE	netsh.exe
PID 2848 wrote to memory of 956	2848	c3c712f6cafb2e2768423e6e5dd623177962b820e140d1942099090ba67b8100.exe	cmd.exe
PID 2848 wrote to memory of 956	2848	c3c712f6cafb2e2768423e6e5dd623177962b820e140d1942099090ba67b8100.exe	cmd.exe
PID 2848 wrote to memory of 956	2848	c3c712f6cafb2e2768423e6e5dd623177962b820e140d1942099090ba67b8100.exe	cmd.exe
PID 956 wrote to memory of 592	956	cmd.exe	reg.exe
PID 956 wrote to memory of 592	956	cmd.exe	reg.exe
PID 956 wrote to memory of 592	956	cmd.exe	reg.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2872

C:\Users\Admin\AppData\Local\Temp\c3c712f6cafb2e2768423e6e5dd623177962b820e140d1942099090ba67b8100.exe
"C:\Users\Admin\AppData\Local\Temp\c3c712f6cafb2e2768423e6e5dd623177962b820e140d1942099090ba67b8100.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2848

C:\Windows\SysWOW64\mobsync.exe
C:\Windows\System32\mobsync.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:652

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Trast.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:664

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
4⤵
- Suspicious use of WriteProcessMemory
PID:4012

C:\Windows\SysWOW64\reg.exe
reg delete hkcu\Environment /v windir /f
5⤵
- Modifies registry key
PID:760

C:\Windows\SysWOW64\reg.exe
reg add hkcu\Environment /v windir /d "cmd /c start /min C:\Users\Public\KDECO.bat reg delete hkcu\Environment /v windir /f && REM "
5⤵
- Modifies registry key
PID:3632

C:\Windows\SysWOW64\schtasks.exe
schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
5⤵
PID:864

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\nest.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:956

C:\Windows\SysWOW64\reg.exe
reg delete hkcu\Environment /v windir /f
4⤵
- Modifies registry key
PID:592

C:\Windows\SysWOW64\netsh.exe
"C:\Windows\SysWOW64\netsh.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2932

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

Loading Replay Monitor...

Downloads

C:\Users\Public\Trast.bat
MD5
4068c9f69fcd8a171c67f81d4a952a54

SHA1
4d2536a8c28cdcc17465e20d6693fb9e8e713b36

SHA256
24222300c78180b50ed1f8361ba63cb27316ec994c1c9079708a51b4a1a9d810

SHA512
a64f9319acc51fffd0491c74dcd9c9084c2783b82f95727e4bfe387a8528c6dcf68f11418e88f1e133d115daf907549c86dd7ad866b2a7938add5225fbb2811d

Download Submit
C:\Users\Public\UKO.bat
MD5
eaf8d967454c3bbddbf2e05a421411f8

SHA1
6170880409b24de75c2dc3d56a506fbff7f6622c

SHA256
f35f2658455a2e40f151549a7d6465a836c33fa9109e67623916f889849eac56

SHA512
fe5be5c673e99f70c93019d01abb0a29dd2ecf25b2d895190ff551f020c28e7d8f99f65007f440f0f76c5bcac343b2a179a94d190c938ea3b9e1197890a412e9

Download Submit
C:\Users\Public\nest.bat
MD5
8ada51400b7915de2124baaf75e3414c

SHA1
1a7b9db12184ab7fd7fce1c383f9670a00adb081

SHA256
45aa3957c29865260a78f03eef18ae9aebdbf7bea751ecc88be4a799f2bb46c7

SHA512
9afc138157a4565294ca49942579cdb6f5d8084e56f9354738de62b585f4c0fa3e7f2cbc9541827f2084e3ff36c46eed29b46f5dd2444062ffcd05c599992e68

Download Submit
memory/592-137-0x0000000000000000-mapping.dmp

Download
memory/652-127-0x0000000072480000-0x00000000724AA000-memory.dmp

Filesize
168KB

Download
memory/652-129-0x00000000011C0000-0x00000000011D1000-memory.dmp

Filesize
68KB

Download
memory/652-117-0x0000000000000000-mapping.dmp

Download
memory/652-126-0x0000000072480000-0x00000000724AA000-memory.dmp

Filesize
168KB

Download
memory/652-125-0x0000000000C20000-0x0000000000C21000-memory.dmp

Filesize
4KB

Download
memory/652-128-0x0000000004BA0000-0x0000000004EC0000-memory.dmp

Filesize
3.1MB

Download
memory/664-118-0x0000000000000000-mapping.dmp

Download
memory/760-122-0x0000000000000000-mapping.dmp

Download
memory/864-124-0x0000000000000000-mapping.dmp

Download
memory/956-135-0x0000000000000000-mapping.dmp

Download
memory/2848-115-0x0000000000890000-0x00000000008B3000-memory.dmp

Filesize
140KB

Download
memory/2848-116-0x00000000008C1000-0x00000000008D5000-memory.dmp

Filesize
80KB

Download
memory/2872-130-0x0000000005E50000-0x0000000005FE5000-memory.dmp

Filesize
1.6MB

Download
memory/2872-139-0x0000000005FF0000-0x000000000614C000-memory.dmp

Filesize
1.4MB

Download
memory/2932-131-0x0000000000000000-mapping.dmp

Download
memory/2932-132-0x0000000000FF0000-0x000000000100E000-memory.dmp

Filesize
120KB

Download
memory/2932-133-0x0000000000B90000-0x0000000000BB9000-memory.dmp

Filesize
164KB

Download
memory/2932-134-0x0000000003760000-0x0000000003A80000-memory.dmp

Filesize
3.1MB

Download
memory/2932-138-0x0000000003320000-0x00000000033B0000-memory.dmp

Filesize
576KB

Download
memory/3632-123-0x0000000000000000-mapping.dmp

Download
memory/4012-120-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads