formbook | 2c069320cf1b5c2d0dd66a40f85e2a84fd4a2e07eb37d9684df6c8aec4dad34b

General

Target

orden pdf.exe
Size

1.5MB
MD5

4f1ad14256cc9c420d78d69b468bab48
SHA1

7734beec32b17c6ef0678533cc9634bd2c890c65
SHA256

1f05b369246b2867a66aba3cacd9da9c2f29c03adc4d45883c91054c35ac3345
SHA512

38dbbf685b18d2540d739b0ff74bb00f20a1e0b1c142e40b7bbb2e451f6d8ea9e992eb01f77eff945a47bc57fb6ada9e184dd9d6f07e732c253449509deeec71

Score

10^/10

formbook n7ak persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

Decoy

audereventur.com

huro14.com

wwwjinsha155.com

antiquevendor.com

samuraisoulfood.net

traffic4updates.download

hypersarv.com

rapport-happy-wedding.com

rokutechnosupport.online

allworljob.com

hanaleedossmann.com

kauai-marathon.com

bepbosch.com

kangen-international.com

zoneshopemenowz.com

belviderewrestling.com

ipllink.com

sellingforcreators.com

wwwswty6655.com

qtumboa.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/5072-135-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral2/memory/1908-137-0x0000000001200000-0x000000000122D000-memory.dmp	formbook

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\YRQLANAHODF = "C:\\Program Files (x86)\\Kjbulzlwp\\onftcr9hdd7.exe"	svchost.exe

Drops startup file 1 IoCs

Processes:

orden pdf.exe

description ioc process

File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.url orden pdf.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

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.url	orden pdf.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

orden pdf.exeorden pdf.exesvchost.exe

description	pid	process	target process
PID 3540 set thread context of 5072	3540	orden pdf.exe	orden pdf.exe
PID 5072 set thread context of 1552	5072	orden pdf.exe	Explorer.EXE
PID 1908 set thread context of 1552	1908	svchost.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

svchost.exe

description ioc process

File opened for modification C:\Program Files (x86)\Kjbulzlwp\onftcr9hdd7.exe svchost.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Kjbulzlwp\onftcr9hdd7.exe	svchost.exe

Drops file in Windows directory 6 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

svchost.exe

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

Suspicious behavior: EnumeratesProcesses 56 IoCs

Processes:

orden pdf.exesvchost.exe

pid	process
5072	orden pdf.exe
5072	orden pdf.exe
5072	orden pdf.exe
5072	orden pdf.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1552 Explorer.EXE
Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

orden pdf.exeorden pdf.exesvchost.exe

pid process

3540 orden pdf.exe
5072 orden pdf.exe
5072 orden pdf.exe
5072 orden pdf.exe
1908 svchost.exe
1908 svchost.exe
1908 svchost.exe
1908 svchost.exe

pid	process
1552	Explorer.EXE

pid	process
3540	orden pdf.exe
5072	orden pdf.exe
5072	orden pdf.exe
5072	orden pdf.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe
1908	svchost.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

Processes:

orden pdf.exesvchost.exesvchost.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	5072	orden pdf.exe
Token: SeDebugPrivilege	1908	svchost.exe
Token: SeShutdownPrivilege	4376	svchost.exe
Token: SeCreatePagefilePrivilege	4376	svchost.exe
Token: SeShutdownPrivilege	4376	svchost.exe
Token: SeCreatePagefilePrivilege	4376	svchost.exe
Token: SeShutdownPrivilege	4376	svchost.exe
Token: SeCreatePagefilePrivilege	4376	svchost.exe
Token: SeShutdownPrivilege	1552	Explorer.EXE
Token: SeCreatePagefilePrivilege	1552	Explorer.EXE
Token: SeShutdownPrivilege	1552	Explorer.EXE
Token: SeCreatePagefilePrivilege	1552	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

orden pdf.exe

pid process

3540 orden pdf.exe
3540 orden pdf.exe
3540 orden pdf.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

orden pdf.exe

pid process

3540 orden pdf.exe
3540 orden pdf.exe
3540 orden pdf.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

1552 Explorer.EXE

pid	process
3540	orden pdf.exe
3540	orden pdf.exe
3540	orden pdf.exe

pid	process
3540	orden pdf.exe
3540	orden pdf.exe
3540	orden pdf.exe

pid	process
1552	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

orden pdf.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 3540 wrote to memory of 5072	3540	orden pdf.exe	orden pdf.exe
PID 3540 wrote to memory of 5072	3540	orden pdf.exe	orden pdf.exe
PID 3540 wrote to memory of 5072	3540	orden pdf.exe	orden pdf.exe
PID 3540 wrote to memory of 5072	3540	orden pdf.exe	orden pdf.exe
PID 1552 wrote to memory of 1908	1552	Explorer.EXE	svchost.exe
PID 1552 wrote to memory of 1908	1552	Explorer.EXE	svchost.exe
PID 1552 wrote to memory of 1908	1552	Explorer.EXE	svchost.exe
PID 1908 wrote to memory of 4708	1908	svchost.exe	cmd.exe
PID 1908 wrote to memory of 4708	1908	svchost.exe	cmd.exe
PID 1908 wrote to memory of 4708	1908	svchost.exe	cmd.exe
PID 1908 wrote to memory of 4856	1908	svchost.exe	cmd.exe
PID 1908 wrote to memory of 4856	1908	svchost.exe	cmd.exe
PID 1908 wrote to memory of 4856	1908	svchost.exe	cmd.exe
PID 1908 wrote to memory of 756	1908	svchost.exe	Firefox.exe
PID 1908 wrote to memory of 756	1908	svchost.exe	Firefox.exe
PID 1908 wrote to memory of 756	1908	svchost.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1552

C:\Users\Admin\AppData\Local\Temp\orden pdf.exe
"C:\Users\Admin\AppData\Local\Temp\orden pdf.exe"
2⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3540

C:\Users\Admin\AppData\Local\Temp\orden pdf.exe
"C:\Users\Admin\AppData\Local\Temp\orden pdf.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:5072

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.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:1908

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\orden pdf.exe"
3⤵
PID:4708

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:4856

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:756

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4376

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
MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
memory/1552-143-0x0000000007BE0000-0x0000000007CA9000-memory.dmp

Filesize
804KB

Download
memory/1552-134-0x0000000007B20000-0x0000000007BE0000-memory.dmp

Filesize
768KB

Download
memory/1908-138-0x0000000001C00000-0x0000000001F4A000-memory.dmp

Filesize
3.3MB

Download
memory/1908-142-0x0000000002050000-0x00000000020E3000-memory.dmp

Filesize
588KB

Download
memory/1908-137-0x0000000001200000-0x000000000122D000-memory.dmp

Filesize
180KB

Download
memory/1908-136-0x0000000000FF0000-0x0000000000FFE000-memory.dmp

Filesize
56KB

Download
memory/3540-130-0x0000000000E80000-0x0000000000EAD000-memory.dmp

Filesize
180KB

Download
memory/4376-139-0x00000251DA930000-0x00000251DA940000-memory.dmp

Filesize
64KB

Download
memory/4376-140-0x00000251DA990000-0x00000251DA9A0000-memory.dmp

Filesize
64KB

Download
memory/4376-141-0x00000251DD6B0000-0x00000251DD6B4000-memory.dmp

Filesize
16KB

Download
memory/5072-135-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/5072-133-0x0000000001990000-0x00000000019A4000-memory.dmp

Filesize
80KB

Download
memory/5072-131-0x00000000019D0000-0x0000000001D1A000-memory.dmp

Filesize
3.3MB

Download
memory/5072-132-0x000000000041E000-0x000000000041F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads