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
behavioral1/memory/1932-66-0x0000000000000000-mapping.dmp	xloader
behavioral1/memory/1932-69-0x0000000010410000-0x0000000010439000-memory.dmp	xloader
behavioral1/memory/1084-76-0x0000000000090000-0x00000000000B9000-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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\Hmdqfu = "C:\\Users\\Public\\ufqdmH.url"	5479c43c_by_Libranalysis.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

dialer.execmstp.exe

description	pid	process	target process
PID 1932 set thread context of 1196	1932	dialer.exe	Explorer.EXE
PID 1084 set thread context of 1196	1084	cmstp.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

dialer.execmstp.exe

pid	process
1932	dialer.exe
1932	dialer.exe
1084	cmstp.exe
1084	cmstp.exe
1084	cmstp.exe
1084	cmstp.exe
1084	cmstp.exe
1084	cmstp.exe
1084	cmstp.exe
1084	cmstp.exe
1084	cmstp.exe
1084	cmstp.exe
1084	cmstp.exe
1084	cmstp.exe
1084	cmstp.exe
1084	cmstp.exe
1084	cmstp.exe
1084	cmstp.exe
1084	cmstp.exe
1084	cmstp.exe
1084	cmstp.exe
1084	cmstp.exe
1084	cmstp.exe
1084	cmstp.exe
1084	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

dialer.execmstp.exe

pid process

1932 dialer.exe
1932 dialer.exe
1932 dialer.exe
1084 cmstp.exe
1084 cmstp.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

dialer.execmstp.exe

description pid process

Token: SeDebugPrivilege 1932 dialer.exe
Token: SeDebugPrivilege 1084 cmstp.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1932	dialer.exe
Token: SeDebugPrivilege	1084	cmstp.exe

pid	process
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE

pid	process
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

5479c43c_by_Libranalysis.exeExplorer.EXE

description	pid	process	target process
PID 1748 wrote to memory of 1932	1748	5479c43c_by_Libranalysis.exe	dialer.exe
PID 1748 wrote to memory of 1932	1748	5479c43c_by_Libranalysis.exe	dialer.exe
PID 1748 wrote to memory of 1932	1748	5479c43c_by_Libranalysis.exe	dialer.exe
PID 1748 wrote to memory of 1932	1748	5479c43c_by_Libranalysis.exe	dialer.exe
PID 1748 wrote to memory of 1932	1748	5479c43c_by_Libranalysis.exe	dialer.exe
PID 1748 wrote to memory of 1932	1748	5479c43c_by_Libranalysis.exe	dialer.exe
PID 1748 wrote to memory of 1932	1748	5479c43c_by_Libranalysis.exe	dialer.exe
PID 1196 wrote to memory of 1084	1196	Explorer.EXE	cmstp.exe
PID 1196 wrote to memory of 1084	1196	Explorer.EXE	cmstp.exe
PID 1196 wrote to memory of 1084	1196	Explorer.EXE	cmstp.exe
PID 1196 wrote to memory of 1084	1196	Explorer.EXE	cmstp.exe
PID 1196 wrote to memory of 1084	1196	Explorer.EXE	cmstp.exe
PID 1196 wrote to memory of 1084	1196	Explorer.EXE	cmstp.exe
PID 1196 wrote to memory of 1084	1196	Explorer.EXE	cmstp.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1196

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:1748

C:\Windows\SysWOW64\dialer.exe
C:\Windows\System32\dialer.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1932

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1084

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

Replay Monitor

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Downloads

memory/1084-76-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/1084-78-0x00000000008D0000-0x000000000095F000-memory.dmp

Filesize
572KB

Download
memory/1084-75-0x0000000000E10000-0x0000000000E28000-memory.dmp

Filesize
96KB

Download
memory/1084-77-0x0000000002230000-0x0000000002533000-memory.dmp

Filesize
3.0MB

Download
memory/1084-73-0x0000000000000000-mapping.dmp

Download
memory/1196-79-0x0000000009090000-0x0000000009217000-memory.dmp

Filesize
1.5MB

Download
memory/1196-72-0x0000000005110000-0x00000000051CC000-memory.dmp

Filesize
752KB

Download
memory/1748-62-0x0000000000330000-0x000000000034A000-memory.dmp

Filesize
104KB

Download
memory/1748-65-0x00000000757E1000-0x00000000757E3000-memory.dmp

Filesize
8KB

Download
memory/1748-60-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1932-66-0x0000000000000000-mapping.dmp

Download
memory/1932-70-0x00000000021C0000-0x00000000024C3000-memory.dmp

Filesize
3.0MB

Download
memory/1932-71-0x0000000000290000-0x00000000002A0000-memory.dmp

Filesize
64KB

Download
memory/1932-69-0x0000000010410000-0x0000000010439000-memory.dmp

Filesize
164KB

Download
memory/1932-68-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads