xloader | e25ea6eb167727e93ddf4162cdf8fd9f8b974c6ae6195d743b578cadcc17301a

General

Target

89978171.exe
Size

396KB
MD5

11a4392746dabb7901c50a6b26975864
SHA1

e6fc492cc3d3c64535de5a794b0103b6521b271e
SHA256

e25ea6eb167727e93ddf4162cdf8fd9f8b974c6ae6195d743b578cadcc17301a
SHA512

3436d712600572590da454ff76e72aaa49d2b552bd759f4b9c4600219372a4bc7f7c74982867b217ebb9c90c991b0ef222c066fc97e6a26fa9af70d3a23c7331

Score

10^/10

xloader tn61 loader persistence rat spyware stealer suricata

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

tn61

Decoy

ryliehorrall.art

mesdco.net

street-art-ink.com

sepetcin.com

stilghar.com

hawaiipooltiles.com

fuerst-von-falkennest.com

totalvirtue.com

xdk0blc0tqy6a7.life

zootowngravel.com

kreditkarten-optionde.com

6888tlbb.xyz

albertakleekai.com

travelnurseinfofinder3.life

valleyinnswat.com

secure-remove-devices.com

digitalswamy.com

www112casinova.com

medifasttrd.com

distritoxermar.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata

Xloader payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3536-132-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/3536-138-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/1168-141-0x0000000001000000-0x000000000102B000-memory.dmp	xloader
behavioral2/memory/1168-145-0x0000000001000000-0x000000000102B000-memory.dmp	xloader

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

mstsc.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	mstsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\LRULGNPP = "C:\\Program Files (x86)\\Tdxa\\Cookiesj4ulwt2h.exe"	mstsc.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

89978171.execvtres.exemstsc.exe

description	pid	process	target process
PID 1112 set thread context of 3536	1112	89978171.exe	cvtres.exe
PID 3536 set thread context of 3304	3536	cvtres.exe	Explorer.EXE
PID 1168 set thread context of 3304	1168	mstsc.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

mstsc.exe

description ioc process

File opened for modification C:\Program Files (x86)\Tdxa\Cookiesj4ulwt2h.exe mstsc.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Tdxa\Cookiesj4ulwt2h.exe	mstsc.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

mstsc.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	mstsc.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

Processes:

cvtres.exemstsc.exe

pid	process
3536	cvtres.exe
3536	cvtres.exe
3536	cvtres.exe
3536	cvtres.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe
1168	mstsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3304 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

cvtres.exemstsc.exe

pid process

3536 cvtres.exe
3536 cvtres.exe
3536 cvtres.exe
1168 mstsc.exe
1168 mstsc.exe
1168 mstsc.exe
1168 mstsc.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

cvtres.exemstsc.exe

description pid process

Token: SeDebugPrivilege 3536 cvtres.exe
Token: SeDebugPrivilege 1168 mstsc.exe

pid	process
3304	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	3536	cvtres.exe
Token: SeDebugPrivilege	1168	mstsc.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

89978171.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 1112 wrote to memory of 3536	1112	89978171.exe	cvtres.exe
PID 1112 wrote to memory of 3536	1112	89978171.exe	cvtres.exe
PID 1112 wrote to memory of 3536	1112	89978171.exe	cvtres.exe
PID 1112 wrote to memory of 3536	1112	89978171.exe	cvtres.exe
PID 1112 wrote to memory of 3536	1112	89978171.exe	cvtres.exe
PID 1112 wrote to memory of 3536	1112	89978171.exe	cvtres.exe
PID 3304 wrote to memory of 1168	3304	Explorer.EXE	mstsc.exe
PID 3304 wrote to memory of 1168	3304	Explorer.EXE	mstsc.exe
PID 3304 wrote to memory of 1168	3304	Explorer.EXE	mstsc.exe
PID 1168 wrote to memory of 812	1168	mstsc.exe	cmd.exe
PID 1168 wrote to memory of 812	1168	mstsc.exe	cmd.exe
PID 1168 wrote to memory of 812	1168	mstsc.exe	cmd.exe
PID 1168 wrote to memory of 3360	1168	mstsc.exe	cmd.exe
PID 1168 wrote to memory of 3360	1168	mstsc.exe	cmd.exe
PID 1168 wrote to memory of 3360	1168	mstsc.exe	cmd.exe
PID 1168 wrote to memory of 3344	1168	mstsc.exe	cmd.exe
PID 1168 wrote to memory of 3344	1168	mstsc.exe	cmd.exe
PID 1168 wrote to memory of 3344	1168	mstsc.exe	cmd.exe
PID 1168 wrote to memory of 2116	1168	mstsc.exe	Firefox.exe
PID 1168 wrote to memory of 2116	1168	mstsc.exe	Firefox.exe
PID 1168 wrote to memory of 2116	1168	mstsc.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3304

C:\Users\Admin\AppData\Local\Temp\89978171.exe
"C:\Users\Admin\AppData\Local\Temp\89978171.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1112

C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3536

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1168

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
3⤵
PID:812

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:3360

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:3344

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:2116

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

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
40KB

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
48KB

MD5
349e6eb110e34a08924d92f6b334801d

SHA1
bdfb289daff51890cc71697b6322aa4b35ec9169

SHA256
c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a

SHA512
2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574

Download Submit
memory/812-139-0x0000000000000000-mapping.dmp

Download
memory/1112-130-0x00000000000D0000-0x0000000000136000-memory.dmp

Filesize
408KB

Download
memory/1168-142-0x0000000002F80000-0x00000000032CA000-memory.dmp

Filesize
3.3MB

Download
memory/1168-145-0x0000000001000000-0x000000000102B000-memory.dmp

Filesize
172KB

Download
memory/1168-143-0x0000000002DA0000-0x0000000002E30000-memory.dmp

Filesize
576KB

Download
memory/1168-137-0x0000000000000000-mapping.dmp

Download
memory/1168-141-0x0000000001000000-0x000000000102B000-memory.dmp

Filesize
172KB

Download
memory/1168-140-0x00000000008E0000-0x0000000000A1A000-memory.dmp

Filesize
1.2MB

Download
memory/3304-146-0x0000000002880000-0x000000000291D000-memory.dmp

Filesize
628KB

Download
memory/3304-144-0x0000000002880000-0x000000000291D000-memory.dmp

Filesize
628KB

Download
memory/3304-136-0x00000000027B0000-0x000000000287D000-memory.dmp

Filesize
820KB

Download
memory/3344-149-0x0000000000000000-mapping.dmp

Download
memory/3360-147-0x0000000000000000-mapping.dmp

Download
memory/3536-138-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3536-135-0x0000000001440000-0x0000000001451000-memory.dmp

Filesize
68KB

Download
memory/3536-134-0x0000000001000000-0x000000000134A000-memory.dmp

Filesize
3.3MB

Download
memory/3536-132-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3536-131-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads