formbook | b36891ab4a7fa6be1680a65614dd5551a3fa8a89052c381a954601eedd82e62c

General

Target

f5G3iGDs25iJjZE.exe
Size

1.1MB
MD5

33899614b3fe24bc02dfb4c1f84dabdc
SHA1

8dbc988c06f51cce14e4cc95717241fb1521fac6
SHA256

b36891ab4a7fa6be1680a65614dd5551a3fa8a89052c381a954601eedd82e62c
SHA512

30058e2e8d6da6b5e0db01cdab70cfb9af8bfb93aed69a009cdba0f1be4c9b805472a531a5abd4dc56f46349ff43a6ce797e98123898719a38e5329920aac5ad

Score

10^/10

formbook xloader wdc8 loader persistence rat spyware stealer trojan

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

wdc8

Decoy

mygotomaid.com

joyoushealthandwellnessspa.com

wefundprojects.com

magicbasketbourse.net

vitos3.xyz

oligopoly.city

beauty-bihada.asia

visitnewrichmond.com

crgeniusworld.biz

bantasis.com

transsexual.pro

casagraph.com

eastjamrecords.com

howtotrainyourmustache.com

heiappropriate.xyz

bataperu.com

ces341.com

prajahitha.com

manuelagattegger.com

wolfpackmotorcycletours.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1592-137-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1940-144-0x0000000001070000-0x0000000001099000-memory.dmp	xloader

Executes dropped EXE 1 IoCs

Processes:

igfxvzf.exe

pid process

636 igfxvzf.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

pid	process
636	igfxvzf.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

msdt.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	msdt.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\O43DUFWXF0 = "C:\\Program Files (x86)\\Ihv1pdx\\igfxvzf.exe"	msdt.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

f5G3iGDs25iJjZE.exef5G3iGDs25iJjZE.exemsdt.exe

description	pid	process	target process
PID 3732 set thread context of 1592	3732	f5G3iGDs25iJjZE.exe	f5G3iGDs25iJjZE.exe
PID 1592 set thread context of 2060	1592	f5G3iGDs25iJjZE.exe	Explorer.EXE
PID 1940 set thread context of 2060	1940	msdt.exe	Explorer.EXE

Drops file in Program Files directory 4 IoCs

Processes:

Explorer.EXEmsdt.exe

description	ioc	process
File created	C:\Program Files (x86)\Ihv1pdx\igfxvzf.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\Ihv1pdx\igfxvzf.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\Ihv1pdx\igfxvzf.exe	msdt.exe
File opened for modification	C:\Program Files (x86)\Ihv1pdx	Explorer.EXE

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1536 636 WerFault.exe igfxvzf.exe

pid	pid_target	process	target process
1536	636	WerFault.exe	igfxvzf.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

msdt.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	msdt.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

f5G3iGDs25iJjZE.exef5G3iGDs25iJjZE.exemsdt.exe

pid	process
3732	f5G3iGDs25iJjZE.exe
3732	f5G3iGDs25iJjZE.exe
1592	f5G3iGDs25iJjZE.exe
1592	f5G3iGDs25iJjZE.exe
1592	f5G3iGDs25iJjZE.exe
1592	f5G3iGDs25iJjZE.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2060 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

f5G3iGDs25iJjZE.exemsdt.exe

pid process

1592 f5G3iGDs25iJjZE.exe
1592 f5G3iGDs25iJjZE.exe
1592 f5G3iGDs25iJjZE.exe
1940 msdt.exe
1940 msdt.exe
1940 msdt.exe
1940 msdt.exe

pid	process
2060	Explorer.EXE

pid	process
1592	f5G3iGDs25iJjZE.exe
1592	f5G3iGDs25iJjZE.exe
1592	f5G3iGDs25iJjZE.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe
1940	msdt.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

Processes:

f5G3iGDs25iJjZE.exef5G3iGDs25iJjZE.exemsdt.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	3732	f5G3iGDs25iJjZE.exe
Token: SeDebugPrivilege	1592	f5G3iGDs25iJjZE.exe
Token: SeDebugPrivilege	1940	msdt.exe
Token: SeShutdownPrivilege	2060	Explorer.EXE
Token: SeCreatePagefilePrivilege	2060	Explorer.EXE
Token: SeShutdownPrivilege	2060	Explorer.EXE
Token: SeCreatePagefilePrivilege	2060	Explorer.EXE
Token: SeShutdownPrivilege	2060	Explorer.EXE
Token: SeCreatePagefilePrivilege	2060	Explorer.EXE
Token: SeShutdownPrivilege	2060	Explorer.EXE
Token: SeCreatePagefilePrivilege	2060	Explorer.EXE
Token: SeShutdownPrivilege	2060	Explorer.EXE
Token: SeCreatePagefilePrivilege	2060	Explorer.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

f5G3iGDs25iJjZE.exeExplorer.EXEmsdt.exe

description	pid	process	target process
PID 3732 wrote to memory of 2376	3732	f5G3iGDs25iJjZE.exe	f5G3iGDs25iJjZE.exe
PID 3732 wrote to memory of 2376	3732	f5G3iGDs25iJjZE.exe	f5G3iGDs25iJjZE.exe
PID 3732 wrote to memory of 2376	3732	f5G3iGDs25iJjZE.exe	f5G3iGDs25iJjZE.exe
PID 3732 wrote to memory of 1592	3732	f5G3iGDs25iJjZE.exe	f5G3iGDs25iJjZE.exe
PID 3732 wrote to memory of 1592	3732	f5G3iGDs25iJjZE.exe	f5G3iGDs25iJjZE.exe
PID 3732 wrote to memory of 1592	3732	f5G3iGDs25iJjZE.exe	f5G3iGDs25iJjZE.exe
PID 3732 wrote to memory of 1592	3732	f5G3iGDs25iJjZE.exe	f5G3iGDs25iJjZE.exe
PID 3732 wrote to memory of 1592	3732	f5G3iGDs25iJjZE.exe	f5G3iGDs25iJjZE.exe
PID 3732 wrote to memory of 1592	3732	f5G3iGDs25iJjZE.exe	f5G3iGDs25iJjZE.exe
PID 2060 wrote to memory of 1940	2060	Explorer.EXE	msdt.exe
PID 2060 wrote to memory of 1940	2060	Explorer.EXE	msdt.exe
PID 2060 wrote to memory of 1940	2060	Explorer.EXE	msdt.exe
PID 1940 wrote to memory of 2988	1940	msdt.exe	cmd.exe
PID 1940 wrote to memory of 2988	1940	msdt.exe	cmd.exe
PID 1940 wrote to memory of 2988	1940	msdt.exe	cmd.exe
PID 1940 wrote to memory of 4648	1940	msdt.exe	cmd.exe
PID 1940 wrote to memory of 4648	1940	msdt.exe	cmd.exe
PID 1940 wrote to memory of 4648	1940	msdt.exe	cmd.exe
PID 1940 wrote to memory of 1152	1940	msdt.exe	Firefox.exe
PID 1940 wrote to memory of 1152	1940	msdt.exe	Firefox.exe
PID 2060 wrote to memory of 636	2060	Explorer.EXE	igfxvzf.exe
PID 2060 wrote to memory of 636	2060	Explorer.EXE	igfxvzf.exe
PID 2060 wrote to memory of 636	2060	Explorer.EXE	igfxvzf.exe
PID 1940 wrote to memory of 1152	1940	msdt.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2060

C:\Users\Admin\AppData\Local\Temp\f5G3iGDs25iJjZE.exe
"C:\Users\Admin\AppData\Local\Temp\f5G3iGDs25iJjZE.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3732

C:\Users\Admin\AppData\Local\Temp\f5G3iGDs25iJjZE.exe
"C:\Users\Admin\AppData\Local\Temp\f5G3iGDs25iJjZE.exe"
3⤵
PID:2376

C:\Users\Admin\AppData\Local\Temp\f5G3iGDs25iJjZE.exe
"C:\Users\Admin\AppData\Local\Temp\f5G3iGDs25iJjZE.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1592

C:\Windows\SysWOW64\msdt.exe
"C:\Windows\SysWOW64\msdt.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:1940

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\f5G3iGDs25iJjZE.exe"
3⤵
PID:2988

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:4648

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1152

C:\Program Files (x86)\Ihv1pdx\igfxvzf.exe
"C:\Program Files (x86)\Ihv1pdx\igfxvzf.exe"
2⤵
- Executes dropped EXE
PID:636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 1176
3⤵
- Program crash
PID:1536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 636 -ip 636
1⤵
PID:1508

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:\Program Files (x86)\Ihv1pdx\igfxvzf.exe
MD5
0274a5571bbdc3173e0cd7358050f1a1

SHA1
d75f9ae18bb0bc3870f49ee14fdf0c909fcc0ca4

SHA256
781f165eb40ab8555b933b2487cf580ab627fdd00b766104ba5e53e69a9bdd5d

SHA512
941516c63f6eb8dca9e679bedefe078884b39b12608cdfa33444b1943a0c8805276cfde287d39443b3fd65ef86de6bea712b703c9937e8a5123f471d511f36f2

Download Submit
C:\Program Files (x86)\Ihv1pdx\igfxvzf.exe
MD5
0274a5571bbdc3173e0cd7358050f1a1

SHA1
d75f9ae18bb0bc3870f49ee14fdf0c909fcc0ca4

SHA256
781f165eb40ab8555b933b2487cf580ab627fdd00b766104ba5e53e69a9bdd5d

SHA512
941516c63f6eb8dca9e679bedefe078884b39b12608cdfa33444b1943a0c8805276cfde287d39443b3fd65ef86de6bea712b703c9937e8a5123f471d511f36f2

Download Submit
C:\Users\Admin\AppData\Local\Temp\DB1
MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
memory/636-153-0x00000000031F0000-0x0000000003282000-memory.dmp

Filesize
584KB

Download
memory/636-152-0x0000000072E70000-0x0000000073620000-memory.dmp

Filesize
7.7MB

Download
memory/636-151-0x0000000000D40000-0x0000000000E5C000-memory.dmp

Filesize
1.1MB

Download
memory/1592-141-0x0000000001200000-0x0000000001211000-memory.dmp

Filesize
68KB

Download
memory/1592-137-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1592-139-0x0000000001250000-0x000000000159A000-memory.dmp

Filesize
3.3MB

Download
memory/1592-140-0x000000000041D000-0x000000000041E000-memory.dmp

Filesize
4KB

Download
memory/1940-146-0x0000000003000000-0x0000000003090000-memory.dmp

Filesize
576KB

Download
memory/1940-144-0x0000000001070000-0x0000000001099000-memory.dmp

Filesize
164KB

Download
memory/1940-143-0x0000000000970000-0x00000000009C7000-memory.dmp

Filesize
348KB

Download
memory/1940-145-0x00000000031B0000-0x00000000034FA000-memory.dmp

Filesize
3.3MB

Download
memory/2060-142-0x0000000007E40000-0x0000000007F73000-memory.dmp

Filesize
1.2MB

Download
memory/2060-147-0x0000000007F80000-0x00000000080D9000-memory.dmp

Filesize
1.3MB

Download
memory/3732-130-0x0000000000630000-0x000000000074C000-memory.dmp

Filesize
1.1MB

Download
memory/3732-136-0x0000000008E40000-0x0000000008EDC000-memory.dmp

Filesize
624KB

Download
memory/3732-135-0x00000000051B0000-0x00000000051BA000-memory.dmp

Filesize
40KB

Download
memory/3732-134-0x0000000005060000-0x00000000050F2000-memory.dmp

Filesize
584KB

Download
memory/3732-133-0x0000000074E20000-0x00000000755D0000-memory.dmp

Filesize
7.7MB

Download
memory/3732-132-0x0000000005100000-0x0000000005192000-memory.dmp

Filesize
584KB

Download
memory/3732-131-0x00000000057B0000-0x0000000005D54000-memory.dmp

Filesize
5.6MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads