xloader | 7f7ba47b4b075164bdaa25c2a26a4b2fe2f1f7b5fa76a5912f108db492d616b8

General

Target

jabastin.exe
Size

219KB
MD5

bf2280363178076f4f5e4f6b1560c4bb
SHA1

8cff680cbc56da797f68e234901b16a8067abbd8
SHA256

c0c03ed0990ed10f1f253b8db22d6126a344388797b920909c64f5307c42da40
SHA512

b2b652de7fa1341d8b868c7d995a2713e25184cc12255dc9831ca6d4b04a60d060ecd1b9364deed565114906fae423bd36f4c43182d4215d3505a9f69253aee9

Score

10^/10

xloader loader rat

Malware Config

Extracted

Family

xloader

C2

http://www.injectionhub.com/nppk/

Decoy

jwfbc.com

thebroncooutfitters.com

andaplafonpadang.com

zixi20.com

lanzhoubuxiugang.com

saielectronicsonline.com

amazonishop.com

theblindshops.com

polyanom.com

stunningsinglemama.com

softfsafawt.site

fuyunniu.com

choose-deal.com

pornstarpimp.com

hairthatshappy.com

one-etz.com

sharonbrandman.com

servidordigital.company

don-dejohn.com

malaysianwhitecoffee.com

Signatures

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

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/5096-5-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4232-11-0x0000000002DB0000-0x0000000002DD9000-memory.dmp	xloader

Loads dropped DLL 1 IoCs

Processes:

jabastin.exe

pid process

4684 jabastin.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

jabastin.exejabastin.execmstp.exe

description	pid	process	target process
PID 4684 set thread context of 5096	4684	jabastin.exe	jabastin.exe
PID 5096 set thread context of 3128	5096	jabastin.exe	Explorer.EXE
PID 4232 set thread context of 3128	4232	cmstp.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

jabastin.exejabastin.execmstp.exe

pid	process
4684	jabastin.exe
4684	jabastin.exe
4684	jabastin.exe
4684	jabastin.exe
4684	jabastin.exe
4684	jabastin.exe
4684	jabastin.exe
4684	jabastin.exe
5096	jabastin.exe
5096	jabastin.exe
5096	jabastin.exe
5096	jabastin.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe
4232	cmstp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

jabastin.exejabastin.execmstp.exe

pid process

4684 jabastin.exe
5096 jabastin.exe
5096 jabastin.exe
5096 jabastin.exe
4232 cmstp.exe
4232 cmstp.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

jabastin.exeExplorer.EXEcmstp.exe

description	pid	process
Token: SeDebugPrivilege	5096	jabastin.exe
Token: SeShutdownPrivilege	3128	Explorer.EXE
Token: SeCreatePagefilePrivilege	3128	Explorer.EXE
Token: SeShutdownPrivilege	3128	Explorer.EXE
Token: SeCreatePagefilePrivilege	3128	Explorer.EXE
Token: SeDebugPrivilege	4232	cmstp.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

jabastin.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 4684 wrote to memory of 5096	4684	jabastin.exe	jabastin.exe
PID 4684 wrote to memory of 5096	4684	jabastin.exe	jabastin.exe
PID 4684 wrote to memory of 5096	4684	jabastin.exe	jabastin.exe
PID 4684 wrote to memory of 5096	4684	jabastin.exe	jabastin.exe
PID 3128 wrote to memory of 4232	3128	Explorer.EXE	cmstp.exe
PID 3128 wrote to memory of 4232	3128	Explorer.EXE	cmstp.exe
PID 3128 wrote to memory of 4232	3128	Explorer.EXE	cmstp.exe
PID 4232 wrote to memory of 3304	4232	cmstp.exe	cmd.exe
PID 4232 wrote to memory of 3304	4232	cmstp.exe	cmd.exe
PID 4232 wrote to memory of 3304	4232	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3128

C:\Users\Admin\AppData\Local\Temp\jabastin.exe
"C:\Users\Admin\AppData\Local\Temp\jabastin.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4684

C:\Users\Admin\AppData\Local\Temp\jabastin.exe
"C:\Users\Admin\AppData\Local\Temp\jabastin.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:5096

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
- Suspicious use of WriteProcessMemory
PID:4232

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\jabastin.exe"
3⤵
PID:3304

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\nsu2B9B.tmp\p3tkf.dll
MD5
d4f92f1c48fff5c30de03897eee21c95

SHA1
3341a9ca0906f94e95856453b19385a7957e101f

SHA256
2036564a7e2ffa08e02d3e52a51727e28297e7d7901b3cf659a1142719a52cd4

SHA512
e53bd79f0e853f5b699d54482bc94ebbaa627e0ea861e3fc82ff38d3049f04034c91ea85910731dccaec0434ea63b6f78581b26f8872c7d9039a1e768f24411b

Download Submit
memory/3128-8-0x0000000004F00000-0x000000000502D000-memory.dmp

Filesize
1.2MB

Download
memory/3128-15-0x0000000005030000-0x0000000005180000-memory.dmp

Filesize
1.3MB

Download
memory/3304-12-0x0000000000000000-mapping.dmp

Download
memory/4232-9-0x0000000000000000-mapping.dmp

Download
memory/4232-10-0x0000000000150000-0x0000000000166000-memory.dmp

Filesize
88KB

Download
memory/4232-11-0x0000000002DB0000-0x0000000002DD9000-memory.dmp

Filesize
164KB

Download
memory/4232-13-0x0000000004500000-0x0000000004820000-memory.dmp

Filesize
3.1MB

Download
memory/4232-14-0x00000000048B0000-0x0000000004940000-memory.dmp

Filesize
576KB

Download
memory/5096-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5096-7-0x00000000008E0000-0x00000000008F1000-memory.dmp

Filesize
68KB

Download
memory/5096-6-0x00000000009D0000-0x0000000000CF0000-memory.dmp

Filesize
3.1MB

Download
memory/5096-3-0x000000000041D090-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