xloader | 8855c73a66320b1d62c22f7af62feb301d13e4b68f4edfba64bf47473ad58c4a

General

Target

5479c43c_by_Libranalysis.exe
Size

759KB
MD5

5479c43c28d4286d39041482778a9c82
SHA1

4accc679c637a8ec24956db8990c4042cc402131
SHA256

8855c73a66320b1d62c22f7af62feb301d13e4b68f4edfba64bf47473ad58c4a
SHA512

a1a8666f43468dcc5569a59f9c31beff715fe185885dd0ec6643b119e2ae533040644a960b7ae1dee08008d05f2ed07d3e3e745abdb8a9751a2f711191eea9dc

Score

10^/10

xloader loader persistence rat

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.austinenglishtutor.com/ipio/

Decoy

fatiguemanager.co.uk

malignment.com

fashionashton.com

soawstservices.com

gardengarages.com

affirm.digital

savetheboxes.com

stepupjam.net

sassyfurbaby.com

rarecares.institute

hisarsteel.com

thespotifygrowthguide.com

111indianbend.com

kizilaykorkuevi.com

zeegostar.com

scuolateatroarsenale.com

dyaspaar.com

no1jt.com

gain2020live.com

dearhim.com

Signatures

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4012-119-0x0000000000000000-mapping.dmp	xloader
behavioral2/memory/4012-121-0x0000000010410000-0x0000000010439000-memory.dmp	xloader
behavioral2/memory/3684-127-0x0000000003000000-0x0000000003029000-memory.dmp	xloader

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

5479c43c_by_Libranalysis.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\Hmdqfu = "C:\\Users\\Public\\ufqdmH.url"	5479c43c_by_Libranalysis.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

mobsync.execscript.exe

description	pid	process	target process
PID 4012 set thread context of 1700	4012	mobsync.exe	Explorer.EXE
PID 3684 set thread context of 1700	3684	cscript.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 50 IoCs

Processes:

mobsync.execscript.exe

pid	process
4012	mobsync.exe
4012	mobsync.exe
4012	mobsync.exe
4012	mobsync.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe
3684	cscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1700 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

mobsync.execscript.exe

pid process

4012 mobsync.exe
4012 mobsync.exe
4012 mobsync.exe
3684 cscript.exe
3684 cscript.exe

pid	process
1700	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

mobsync.exeExplorer.EXEcscript.exe

description	pid	process
Token: SeDebugPrivilege	4012	mobsync.exe
Token: SeShutdownPrivilege	1700	Explorer.EXE
Token: SeCreatePagefilePrivilege	1700	Explorer.EXE
Token: SeDebugPrivilege	3684	cscript.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

1700 Explorer.EXE

pid	process
1700	Explorer.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

5479c43c_by_Libranalysis.exeExplorer.EXE

description	pid	process	target process
PID 2232 wrote to memory of 4012	2232	5479c43c_by_Libranalysis.exe	mobsync.exe
PID 2232 wrote to memory of 4012	2232	5479c43c_by_Libranalysis.exe	mobsync.exe
PID 2232 wrote to memory of 4012	2232	5479c43c_by_Libranalysis.exe	mobsync.exe
PID 2232 wrote to memory of 4012	2232	5479c43c_by_Libranalysis.exe	mobsync.exe
PID 2232 wrote to memory of 4012	2232	5479c43c_by_Libranalysis.exe	mobsync.exe
PID 2232 wrote to memory of 4012	2232	5479c43c_by_Libranalysis.exe	mobsync.exe
PID 1700 wrote to memory of 3684	1700	Explorer.EXE	cscript.exe
PID 1700 wrote to memory of 3684	1700	Explorer.EXE	cscript.exe
PID 1700 wrote to memory of 3684	1700	Explorer.EXE	cscript.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1700

C:\Users\Admin\AppData\Local\Temp\5479c43c_by_Libranalysis.exe
"C:\Users\Admin\AppData\Local\Temp\5479c43c_by_Libranalysis.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2232

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:4012

C:\Windows\SysWOW64\cscript.exe
"C:\Windows\SysWOW64\cscript.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3684

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

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1700-130-0x0000000006530000-0x0000000006615000-memory.dmp

Filesize
916KB

Download
memory/1700-124-0x0000000006830000-0x0000000006999000-memory.dmp

Filesize
1.4MB

Download
memory/2232-116-0x0000000002280000-0x000000000229A000-memory.dmp

Filesize
104KB

Download
memory/2232-114-0x00000000004D0000-0x000000000061A000-memory.dmp

Filesize
1.3MB

Download
memory/3684-127-0x0000000003000000-0x0000000003029000-memory.dmp

Filesize
164KB

Download
memory/3684-129-0x0000000004A60000-0x0000000004AEF000-memory.dmp

Filesize
572KB

Download
memory/3684-128-0x00000000046B0000-0x00000000049D0000-memory.dmp

Filesize
3.1MB

Download
memory/3684-126-0x0000000000010000-0x0000000000037000-memory.dmp

Filesize
156KB

Download
memory/3684-125-0x0000000000000000-mapping.dmp

Download
memory/4012-121-0x0000000010410000-0x0000000010439000-memory.dmp

Filesize
164KB

Download
memory/4012-123-0x00000000005D0000-0x000000000071A000-memory.dmp

Filesize
1.3MB

Download
memory/4012-122-0x0000000004480000-0x00000000047A0000-memory.dmp

Filesize
3.1MB

Download
memory/4012-120-0x0000000000400000-0x0000000000401000-memory.dmp

Filesize
4KB

Download
memory/4012-119-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads