modiloader | 039ba5b7a3206c8e92295b9e9d6a5419149574c945e48d6ee0d8f407ec931327

General

Target

Kvruwfvhsjzetg.exe
Size

1.1MB
MD5

f642f03706a86b22eff5b8764edaed56
SHA1

8a3a217ebda9437299765e7eb246494305086c01
SHA256

d6c7872a47c2b39878c40fc9e9af3fe41c829d425814bdc331d4c2b48efc7f19
SHA512

a6632ce0eb90359678e32d54073040b99d5cb498d80ebda17acc833830db89234f924623293497631eab4e3f0538c6acde6111a38b0e55e29f1669a2d71f9219
SSDEEP

12288:oX8lOqFSsZ40z3QjB2lr5fPx7Zh70WoQzV9hBoSFhAf1nAhglR:Q8ltFSQ3AB2zp7pcf1nAhglR

Score

10^/10

modiloader xloader uj3c loader persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

uj3c

Decoy

copimetro.com

choonchain.com

luxxwireless.com

fashionweekofcincinnati.com

campingshare.net

suncochina.com

kidsfundoor.com

testingnyc.co

lovesoe.com

vehiclesbeenrecord.com

socialpearmarketing.com

maxproductdji.com

getallarticle.online

forummind.com

arenamarenostrum.com

trisuaka.xyz

designgamagazine.com

chateaulehotel.com

huangse5.com

esginvestment.tech

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

ModiLoader Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3392-132-0x0000000004600000-0x000000000462C000-memory.dmp	modiloader_stage2

Xloader payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3392-136-0x0000000010410000-0x000000001043B000-memory.dmp	xloader
behavioral2/memory/2156-142-0x0000000010410000-0x000000001043B000-memory.dmp	xloader
behavioral2/memory/1032-146-0x00000000006C0000-0x00000000006EB000-memory.dmp	xloader
behavioral2/memory/1032-149-0x00000000006C0000-0x00000000006EB000-memory.dmp	xloader

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wlanext.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	wlanext.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ZVBXR6CXTBX = "C:\\Program Files (x86)\\Hstr\\4hwtnx9holnhbhnh.exe"	wlanext.exe

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 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Kvruwfvhsjzetg.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Kvruwfvh = "C:\\Users\\Public\\Libraries\\hvfwurvK.url"	Kvruwfvhsjzetg.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

iexpress.exewlanext.exe

description	pid	process	target process
PID 2156 set thread context of 2396	2156	iexpress.exe	Explorer.EXE
PID 1032 set thread context of 2396	1032	wlanext.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

wlanext.exe

description ioc process

File opened for modification C:\Program Files (x86)\Hstr\4hwtnx9holnhbhnh.exe wlanext.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Hstr\4hwtnx9holnhbhnh.exe	wlanext.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wlanext.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wlanext.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

Processes:

Kvruwfvhsjzetg.exeiexpress.exewlanext.exe

pid	process
3392	Kvruwfvhsjzetg.exe
3392	Kvruwfvhsjzetg.exe
2156	iexpress.exe
2156	iexpress.exe
2156	iexpress.exe
2156	iexpress.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2396 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

iexpress.exewlanext.exe

pid process

2156 iexpress.exe
2156 iexpress.exe
2156 iexpress.exe
1032 wlanext.exe
1032 wlanext.exe
1032 wlanext.exe
1032 wlanext.exe

pid	process
2396	Explorer.EXE

pid	process
2156	iexpress.exe
2156	iexpress.exe
2156	iexpress.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe
1032	wlanext.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

iexpress.exeExplorer.EXEwlanext.exe

description	pid	process
Token: SeDebugPrivilege	2156	iexpress.exe
Token: SeShutdownPrivilege	2396	Explorer.EXE
Token: SeCreatePagefilePrivilege	2396	Explorer.EXE
Token: SeShutdownPrivilege	2396	Explorer.EXE
Token: SeCreatePagefilePrivilege	2396	Explorer.EXE
Token: SeDebugPrivilege	1032	wlanext.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

Kvruwfvhsjzetg.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 3392 wrote to memory of 2156	3392	Kvruwfvhsjzetg.exe	iexpress.exe
PID 3392 wrote to memory of 2156	3392	Kvruwfvhsjzetg.exe	iexpress.exe
PID 3392 wrote to memory of 2156	3392	Kvruwfvhsjzetg.exe	iexpress.exe
PID 3392 wrote to memory of 2156	3392	Kvruwfvhsjzetg.exe	iexpress.exe
PID 3392 wrote to memory of 2156	3392	Kvruwfvhsjzetg.exe	iexpress.exe
PID 3392 wrote to memory of 2156	3392	Kvruwfvhsjzetg.exe	iexpress.exe
PID 2396 wrote to memory of 1032	2396	Explorer.EXE	wlanext.exe
PID 2396 wrote to memory of 1032	2396	Explorer.EXE	wlanext.exe
PID 2396 wrote to memory of 1032	2396	Explorer.EXE	wlanext.exe
PID 1032 wrote to memory of 2892	1032	wlanext.exe	cmd.exe
PID 1032 wrote to memory of 2892	1032	wlanext.exe	cmd.exe
PID 1032 wrote to memory of 2892	1032	wlanext.exe	cmd.exe
PID 1032 wrote to memory of 4760	1032	wlanext.exe	cmd.exe
PID 1032 wrote to memory of 4760	1032	wlanext.exe	cmd.exe
PID 1032 wrote to memory of 4760	1032	wlanext.exe	cmd.exe
PID 1032 wrote to memory of 3308	1032	wlanext.exe	cmd.exe
PID 1032 wrote to memory of 3308	1032	wlanext.exe	cmd.exe
PID 1032 wrote to memory of 3308	1032	wlanext.exe	cmd.exe
PID 1032 wrote to memory of 2784	1032	wlanext.exe	Firefox.exe
PID 1032 wrote to memory of 2784	1032	wlanext.exe	Firefox.exe
PID 1032 wrote to memory of 2784	1032	wlanext.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2396

C:\Users\Admin\AppData\Local\Temp\Kvruwfvhsjzetg.exe
"C:\Users\Admin\AppData\Local\Temp\Kvruwfvhsjzetg.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3392

C:\Windows\SysWOW64\iexpress.exe
C:\Windows\System32\iexpress.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2156

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:3380

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1320

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1636

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:3272

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:2708

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1708

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.exe"
2⤵
- Adds policy 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:1032

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\iexpress.exe"
3⤵
PID:2892

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:4760

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:3308

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:2784

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

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/1032-149-0x00000000006C0000-0x00000000006EB000-memory.dmp

Filesize
172KB

Download
memory/1032-145-0x0000000000F10000-0x000000000125A000-memory.dmp

Filesize
3.3MB

Download
memory/1032-147-0x0000000000C20000-0x0000000000CB0000-memory.dmp

Filesize
576KB

Download
memory/1032-146-0x00000000006C0000-0x00000000006EB000-memory.dmp

Filesize
172KB

Download
memory/1032-144-0x0000000000D40000-0x0000000000D57000-memory.dmp

Filesize
92KB

Download
memory/1032-141-0x0000000000000000-mapping.dmp

Download
memory/2156-142-0x0000000010410000-0x000000001043B000-memory.dmp

Filesize
172KB

Download
memory/2156-139-0x0000000003840000-0x0000000003851000-memory.dmp

Filesize
68KB

Download
memory/2156-138-0x0000000003910000-0x0000000003C5A000-memory.dmp

Filesize
3.3MB

Download
memory/2156-134-0x0000000000000000-mapping.dmp

Download
memory/2396-140-0x0000000002800000-0x0000000002918000-memory.dmp

Filesize
1.1MB

Download
memory/2396-148-0x0000000008030000-0x00000000080D5000-memory.dmp

Filesize
660KB

Download
memory/2396-150-0x0000000008030000-0x00000000080D5000-memory.dmp

Filesize
660KB

Download
memory/2892-143-0x0000000000000000-mapping.dmp

Download
memory/3308-153-0x0000000000000000-mapping.dmp

Download
memory/3392-136-0x0000000010410000-0x000000001043B000-memory.dmp

Filesize
172KB

Download
memory/3392-135-0x0000000010410000-0x000000001043B000-memory.dmp

Filesize
172KB

Download
memory/3392-132-0x0000000004600000-0x000000000462C000-memory.dmp

Filesize
176KB

Download
memory/4760-151-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads