xloader | a1c7157e3d321dc5966c65601335e053edb2c4a1e6cf4f1f678b974a4f2dbf26

Analysis

max time kernel
150s
max time network
164s
platform
windows10_x64
resource
win10v20210408
submitted
20-07-2021 13:07

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General

Target

ISSUES INVOICE E-4136 REV.1.exe
Size

646KB
MD5

02efae6482a081c221d846f386752d3a
SHA1

2c2dce7d34e81dd0329022ec41802ce8296a7ba7
SHA256

19f2101d500dfa2ba71baf220497fe8888667bb7d9c8cf4996087ff67c11d156
SHA512

00dd5efb9b60a914072f9f9c555da0c4ad3871bf74a14312e0429662f2aa55a75cd9352e49690e07478e4b079ffc9f7592bbda48c56027ecda6c714374f0b925

Score

10^/10

xloader loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

http://www.wwwgraciescottage.com/u9pi/

Decoy

balancerestoreomaha.com

allpurposepaintingservices.com

talsworldwide.com

specialforcesofindia.com

flaxx.life

taspate.com

88q858.com

parossunbed.com

pontacols.com

soulpowerlive.com

holowide.com

covidcustomdesigns.com

cleaner-solar.com

cnhy0769.com

gmb-marketing.com

thepassiveincomecreator.com

kate.chat

awkwardpeachfitness.com

lolly-bops.com

29752ellendale.com

Signatures

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral11/memory/1364-124-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral11/memory/1364-125-0x000000000041D040-mapping.dmp	xloader
behavioral11/memory/2836-133-0x0000000000880000-0x00000000008A8000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

Processes:

ISSUES INVOICE E-4136 REV.1.exeISSUES INVOICE E-4136 REV.1.execmstp.exe

description	pid	process	target process
PID 3920 set thread context of 1364	3920	ISSUES INVOICE E-4136 REV.1.exe	ISSUES INVOICE E-4136 REV.1.exe
PID 1364 set thread context of 3000	1364	ISSUES INVOICE E-4136 REV.1.exe	Explorer.EXE
PID 1364 set thread context of 3000	1364	ISSUES INVOICE E-4136 REV.1.exe	Explorer.EXE
PID 2836 set thread context of 3000	2836	cmstp.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 46 IoCs

Processes:

ISSUES INVOICE E-4136 REV.1.execmstp.exe

pid	process
1364	ISSUES INVOICE E-4136 REV.1.exe
1364	ISSUES INVOICE E-4136 REV.1.exe
1364	ISSUES INVOICE E-4136 REV.1.exe
1364	ISSUES INVOICE E-4136 REV.1.exe
1364	ISSUES INVOICE E-4136 REV.1.exe
1364	ISSUES INVOICE E-4136 REV.1.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe
2836	cmstp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3000 Explorer.EXE

pid	process
3000	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

ISSUES INVOICE E-4136 REV.1.execmstp.exe

pid	process
1364	ISSUES INVOICE E-4136 REV.1.exe
1364	ISSUES INVOICE E-4136 REV.1.exe
1364	ISSUES INVOICE E-4136 REV.1.exe
1364	ISSUES INVOICE E-4136 REV.1.exe
2836	cmstp.exe
2836	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ISSUES INVOICE E-4136 REV.1.execmstp.exe

description pid process

Token: SeDebugPrivilege 1364 ISSUES INVOICE E-4136 REV.1.exe
Token: SeDebugPrivilege 2836 cmstp.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3000 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1364	ISSUES INVOICE E-4136 REV.1.exe
Token: SeDebugPrivilege	2836	cmstp.exe

pid	process
3000	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

ISSUES INVOICE E-4136 REV.1.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 3920 wrote to memory of 1364	3920	ISSUES INVOICE E-4136 REV.1.exe	ISSUES INVOICE E-4136 REV.1.exe
PID 3920 wrote to memory of 1364	3920	ISSUES INVOICE E-4136 REV.1.exe	ISSUES INVOICE E-4136 REV.1.exe
PID 3920 wrote to memory of 1364	3920	ISSUES INVOICE E-4136 REV.1.exe	ISSUES INVOICE E-4136 REV.1.exe
PID 3920 wrote to memory of 1364	3920	ISSUES INVOICE E-4136 REV.1.exe	ISSUES INVOICE E-4136 REV.1.exe
PID 3920 wrote to memory of 1364	3920	ISSUES INVOICE E-4136 REV.1.exe	ISSUES INVOICE E-4136 REV.1.exe
PID 3920 wrote to memory of 1364	3920	ISSUES INVOICE E-4136 REV.1.exe	ISSUES INVOICE E-4136 REV.1.exe
PID 3000 wrote to memory of 2836	3000	Explorer.EXE	cmstp.exe
PID 3000 wrote to memory of 2836	3000	Explorer.EXE	cmstp.exe
PID 3000 wrote to memory of 2836	3000	Explorer.EXE	cmstp.exe
PID 2836 wrote to memory of 3716	2836	cmstp.exe	cmd.exe
PID 2836 wrote to memory of 3716	2836	cmstp.exe	cmd.exe
PID 2836 wrote to memory of 3716	2836	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3000

C:\Users\Admin\AppData\Local\Temp\ISSUES INVOICE E-4136 REV.1.exe
"C:\Users\Admin\AppData\Local\Temp\ISSUES INVOICE E-4136 REV.1.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3920

C:\Users\Admin\AppData\Local\Temp\ISSUES INVOICE E-4136 REV.1.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1364

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:2836

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\ISSUES INVOICE E-4136 REV.1.exe"
3⤵
PID:3716

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1364-129-0x0000000001100000-0x0000000001110000-memory.dmp

Filesize
64KB

Download
memory/1364-124-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1364-125-0x000000000041D040-mapping.dmp

Download
memory/1364-127-0x00000000010C0000-0x00000000010D0000-memory.dmp

Filesize
64KB

Download
memory/1364-126-0x0000000001420000-0x0000000001740000-memory.dmp

Filesize
3.1MB

Download
memory/2836-136-0x00000000041D0000-0x000000000425F000-memory.dmp

Filesize
572KB

Download
memory/2836-132-0x0000000000A10000-0x0000000000A26000-memory.dmp

Filesize
88KB

Download
memory/2836-134-0x0000000004380000-0x00000000046A0000-memory.dmp

Filesize
3.1MB

Download
memory/2836-133-0x0000000000880000-0x00000000008A8000-memory.dmp

Filesize
160KB

Download
memory/2836-131-0x0000000000000000-mapping.dmp

Download
memory/3000-137-0x0000000007100000-0x0000000007247000-memory.dmp

Filesize
1.3MB

Download
memory/3000-128-0x0000000006FA0000-0x00000000070FB000-memory.dmp

Filesize
1.4MB

Download
memory/3000-130-0x00000000072D0000-0x0000000007452000-memory.dmp

Filesize
1.5MB

Download
memory/3716-135-0x0000000000000000-mapping.dmp

Download
memory/3920-116-0x0000000005770000-0x0000000005771000-memory.dmp

Filesize
4KB

Download
memory/3920-117-0x0000000005270000-0x0000000005271000-memory.dmp

Filesize
4KB

Download
memory/3920-114-0x0000000000850000-0x0000000000851000-memory.dmp

Filesize
4KB

Download
memory/3920-123-0x0000000007610000-0x000000000765E000-memory.dmp

Filesize
312KB

Download
memory/3920-122-0x0000000006F30000-0x0000000006FCB000-memory.dmp

Filesize
620KB

Download
memory/3920-121-0x0000000007670000-0x0000000007671000-memory.dmp

Filesize
4KB

Download
memory/3920-120-0x00000000056C0000-0x00000000056C2000-memory.dmp

Filesize
8KB

Download
memory/3920-119-0x0000000005270000-0x000000000576E000-memory.dmp

Filesize
5.0MB

Download
memory/3920-118-0x00000000053D0000-0x00000000053D1000-memory.dmp

Filesize
4KB

Download