formbook | b7097860f2bbfcff38f49c8fb3b9e55c4dcc339202a3ab3b141f0fd13eab2b86

General

Target

Musterkatalog 2022.pdf.exe
Size

441KB
MD5

f05688143f41772720ace022f048373a
SHA1

a31f1b5d3dc4de99622a0bd8d31b6e88f2c34cea
SHA256

b7097860f2bbfcff38f49c8fb3b9e55c4dcc339202a3ab3b141f0fd13eab2b86
SHA512

454c8ac0177246292b0f8fb3d07cb9244b2c3f1ef5acb4ff9833120371a20b0cacc92218d74ba58a75c9f76482e0bddae0a4e7d4c3e36bf4396148b65c3f4544
SSDEEP

6144:tpznbUTNWFObvPYU0UwBPnLrKx72+WQrIKPRFCabWsLK4KieG:t9DFcvB0UuPnLr672+WQrFCabWsLKFK

Score

10^/10

formbook xloader dwdp loader rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

dwdp

Decoy

jPxWFTS1Rn/K/LD47WRRW7+Veuct8yc=

ke1Wv1l26dZZxDikX9dU3s6k8+w=

+vtNyVBkx8VMf5KCaIj8DYR5QyLJgQ==

GHXPhYzwXcKgZwqBb/kejm7rfobj

yalW64iE8+aXs70=

MD83dBR0KSF4fizgRhAM

Xti3uNm2JDWgssPgRhAM

X7gYbv5uJhpvjdI0Qg==

ydxGznbNJ3tCCLAX4arq4nweMuQ=

Ca+fvtST8OBbosPgRhAM

kG1QegD8mU/E/hLw1t0=

g9FFFjEC5C2IvR/BhbSrpw==

PCkpeg38W0aPdg1rav1DFnVASw==

vSq+xBf3qjY27H3yqepK+g+nOmOMc3m7

G7WYirSZS9EYob8=

WbEWaOVIAPlSNNc4LsfL53weMuQ=

hnyAvEY4n3rTKS4g5mHKxR0=

JN7b0uCqVrQydMl7JNw=

XTki/RASDK6BCW0q8sU=

DQMBWA9wJyOKqqGSmGHKxR0=

Extracted

Family

xloader

Version

3.8

Campaign

dwdp

Decoy

jPxWFTS1Rn/K/LD47WRRW7+Veuct8yc=

ke1Wv1l26dZZxDikX9dU3s6k8+w=

+vtNyVBkx8VMf5KCaIj8DYR5QyLJgQ==

GHXPhYzwXcKgZwqBb/kejm7rfobj

yalW64iE8+aXs70=

MD83dBR0KSF4fizgRhAM

Xti3uNm2JDWgssPgRhAM

X7gYbv5uJhpvjdI0Qg==

ydxGznbNJ3tCCLAX4arq4nweMuQ=

Ca+fvtST8OBbosPgRhAM

kG1QegD8mU/E/hLw1t0=

g9FFFjEC5C2IvR/BhbSrpw==

PCkpeg38W0aPdg1rav1DFnVASw==

vSq+xBf3qjY27H3yqepK+g+nOmOMc3m7

G7WYirSZS9EYob8=

WbEWaOVIAPlSNNc4LsfL53weMuQ=

hnyAvEY4n3rTKS4g5mHKxR0=

JN7b0uCqVrQydMl7JNw=

XTki/RASDK6BCW0q8sU=

DQMBWA9wJyOKqqGSmGHKxR0=

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
Loads dropped DLL 1 IoCs

Processes:

help.exe

pid process

680 help.exe

pid	process
680	help.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

Musterkatalog 2022.pdf.exeaspnet_compiler.exehelp.exe

description	pid	process	target process
PID 1256 set thread context of 1168	1256	Musterkatalog 2022.pdf.exe	aspnet_compiler.exe
PID 1168 set thread context of 1240	1168	aspnet_compiler.exe	Explorer.EXE
PID 1168 set thread context of 1240	1168	aspnet_compiler.exe	Explorer.EXE
PID 680 set thread context of 1240	680	help.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

help.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-4063495947-34355257-727531523-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	help.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

aspnet_compiler.exehelp.exe

pid	process
1168	aspnet_compiler.exe
1168	aspnet_compiler.exe
1168	aspnet_compiler.exe
1168	aspnet_compiler.exe
1168	aspnet_compiler.exe
680	help.exe
680	help.exe
680	help.exe
680	help.exe
680	help.exe
680	help.exe
680	help.exe
680	help.exe
680	help.exe
680	help.exe
680	help.exe
680	help.exe
680	help.exe
680	help.exe
680	help.exe
680	help.exe
680	help.exe
680	help.exe
680	help.exe
680	help.exe
680	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1240 Explorer.EXE
Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

aspnet_compiler.exehelp.exe

pid process

1168 aspnet_compiler.exe
1168 aspnet_compiler.exe
1168 aspnet_compiler.exe
1168 aspnet_compiler.exe
680 help.exe
680 help.exe
680 help.exe
680 help.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

aspnet_compiler.exehelp.exe

description pid process

Token: SeDebugPrivilege 1168 aspnet_compiler.exe
Token: SeDebugPrivilege 680 help.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1240 Explorer.EXE
1240 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1240 Explorer.EXE
1240 Explorer.EXE

pid	process
1240	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1168	aspnet_compiler.exe
Token: SeDebugPrivilege	680	help.exe

pid	process
1240	Explorer.EXE
1240	Explorer.EXE

pid	process
1240	Explorer.EXE
1240	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Musterkatalog 2022.pdf.exeaspnet_compiler.exehelp.exe

description	pid	process	target process
PID 1256 wrote to memory of 1168	1256	Musterkatalog 2022.pdf.exe	aspnet_compiler.exe
PID 1256 wrote to memory of 1168	1256	Musterkatalog 2022.pdf.exe	aspnet_compiler.exe
PID 1256 wrote to memory of 1168	1256	Musterkatalog 2022.pdf.exe	aspnet_compiler.exe
PID 1256 wrote to memory of 1168	1256	Musterkatalog 2022.pdf.exe	aspnet_compiler.exe
PID 1256 wrote to memory of 1168	1256	Musterkatalog 2022.pdf.exe	aspnet_compiler.exe
PID 1256 wrote to memory of 1168	1256	Musterkatalog 2022.pdf.exe	aspnet_compiler.exe
PID 1256 wrote to memory of 1168	1256	Musterkatalog 2022.pdf.exe	aspnet_compiler.exe
PID 1168 wrote to memory of 680	1168	aspnet_compiler.exe	help.exe
PID 1168 wrote to memory of 680	1168	aspnet_compiler.exe	help.exe
PID 1168 wrote to memory of 680	1168	aspnet_compiler.exe	help.exe
PID 1168 wrote to memory of 680	1168	aspnet_compiler.exe	help.exe
PID 680 wrote to memory of 2032	680	help.exe	Firefox.exe
PID 680 wrote to memory of 2032	680	help.exe	Firefox.exe
PID 680 wrote to memory of 2032	680	help.exe	Firefox.exe
PID 680 wrote to memory of 2032	680	help.exe	Firefox.exe
PID 680 wrote to memory of 2032	680	help.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1240

C:\Users\Admin\AppData\Local\Temp\Musterkatalog 2022.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Musterkatalog 2022.pdf.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1256

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1168

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
4⤵
PID:1716

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.exe"
4⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:680

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
5⤵
PID:2032

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:812

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1740

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\sqlite3.dll
Filesize
927KB

MD5
7fd80b1cc72dc580c02ca4cfbfb2592d

SHA1
18da905af878b27151b359cf1a7d0a650764e8a1

SHA256
1e6dccbdf8527abb53c289da920463b7895300d0d984cc7e91a3ecda4e673190

SHA512
13f7f29b5ed31c551aa5f27742557aa4d026a226087d6fcbca094819759ecc753a2c33b7422ae88dc6a4a0a966edb8485a18e59a0283ba2686cae5d78e0190a3

Download Submit
memory/680-72-0x0000000000000000-mapping.dmp

Download
memory/680-81-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

Download
memory/680-80-0x00000000000C0000-0x00000000000ED000-memory.dmp

Filesize
180KB

Download
memory/680-78-0x0000000000590000-0x000000000061F000-memory.dmp

Filesize
572KB

Download
memory/680-77-0x00000000000C0000-0x00000000000ED000-memory.dmp

Filesize
180KB

Download
memory/680-76-0x0000000000710000-0x0000000000A13000-memory.dmp

Filesize
3.0MB

Download
memory/680-75-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/1168-61-0x00000000004012B0-mapping.dmp

Download
memory/1168-74-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/1168-67-0x0000000000160000-0x0000000000170000-memory.dmp

Filesize
64KB

Download
memory/1168-57-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1168-69-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1168-70-0x00000000002A0000-0x00000000002B0000-memory.dmp

Filesize
64KB

Download
memory/1168-58-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1168-64-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/1168-73-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1168-66-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Filesize
3.0MB

Download
memory/1168-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1168-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1240-71-0x0000000006970000-0x0000000006A5D000-memory.dmp

Filesize
948KB

Download
memory/1240-79-0x0000000007200000-0x000000000734E000-memory.dmp

Filesize
1.3MB

Download
memory/1240-68-0x0000000006AF0000-0x0000000006C83000-memory.dmp

Filesize
1.6MB

Download
memory/1240-82-0x0000000007200000-0x000000000734E000-memory.dmp

Filesize
1.3MB

Download
memory/1256-54-0x0000000000DB0000-0x0000000000E24000-memory.dmp

Filesize
464KB

Download
memory/1256-56-0x0000000000160000-0x0000000000168000-memory.dmp

Filesize
32KB

Download
memory/1256-55-0x0000000000150000-0x000000000015C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads