formbook | d6599bdedcdb8dc16da5ba6d260fd8cbb9819e4f74556a38b2d851fc23069fd0

General

Target

b.exe
Size

188KB
MD5

0e15293b02e591679ca4cc11fbd1252d
SHA1

eeae92cd953c7fa36d5c0f31a650125a2785d4a9
SHA256

d6599bdedcdb8dc16da5ba6d260fd8cbb9819e4f74556a38b2d851fc23069fd0
SHA512

93d41a94294bdf4dff97852778bf5831ed0d074772eb2c45102b14f8b897e0a9ed43e8dd0da0ee0b65d4926d9f28bb20f5f31b8c333717cb41e1a2fb402718dc

Score

10^/10

formbook dn7r rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dn7r

C2

http://www.yourherogarden.net/dn7r/

Decoy

eventphotographerdfw.com

thehalalcoinstaking.com

philipfaziofineart.com

intercoh.com

gaiaseyephotography.com

chatbotforrealestate.com

lovelancemg.com

marlieskasberger.com

elcongoenespanol.info

lepirecredit.com

distribution-concept.com

e99game.com

exit11festival.com

twodollartoothbrushclub.com

cocktailsandlawn.com

performimprove.network

24horas-telefono-11840.com

cosmossify.com

kellenleote.com

perovskite.energy

Signatures

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

Formbook Payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3708-122-0x0000000002D90000-0x0000000002DBF000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

Processes:

b.exemsiexec.exe

description	pid	process	target process
PID 752 set thread context of 3060	752	b.exe	Explorer.EXE
PID 3708 set thread context of 3060	3708	msiexec.exe	Explorer.EXE

Modifies registry class 2 IoCs

Processes:

Explorer.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

b.exemsiexec.exe

pid	process
752	b.exe
752	b.exe
752	b.exe
752	b.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe
3708	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3060 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

b.exemsiexec.exe

pid process

752 b.exe
752 b.exe
752 b.exe
3708 msiexec.exe
3708 msiexec.exe

pid	process
3060	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 16 IoCs

Processes:

b.exeExplorer.EXEmsiexec.exe

description	pid	process
Token: SeDebugPrivilege	752	b.exe
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeShutdownPrivilege	3060	Explorer.EXE
Token: SeCreatePagefilePrivilege	3060	Explorer.EXE
Token: SeDebugPrivilege	3708	msiexec.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3060 Explorer.EXE

pid	process
3060	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Explorer.EXEmsiexec.exe

description	pid	process	target process
PID 3060 wrote to memory of 3708	3060	Explorer.EXE	msiexec.exe
PID 3060 wrote to memory of 3708	3060	Explorer.EXE	msiexec.exe
PID 3060 wrote to memory of 3708	3060	Explorer.EXE	msiexec.exe
PID 3708 wrote to memory of 392	3708	msiexec.exe	cmd.exe
PID 3708 wrote to memory of 392	3708	msiexec.exe	cmd.exe
PID 3708 wrote to memory of 392	3708	msiexec.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3060

C:\Users\Admin\AppData\Local\Temp\b.exe
"C:\Users\Admin\AppData\Local\Temp\b.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:752

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3708

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\b.exe"
3⤵
PID:392

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/392-120-0x0000000000000000-mapping.dmp

Download
memory/752-114-0x0000000000DC0000-0x00000000010E0000-memory.dmp

Filesize
3.1MB

Download
memory/752-115-0x0000000000BE0000-0x0000000000BF5000-memory.dmp

Filesize
84KB

Download
memory/3060-116-0x00000000059C0000-0x0000000005A92000-memory.dmp

Filesize
840KB

Download
memory/3060-125-0x0000000006CD0000-0x0000000006E4A000-memory.dmp

Filesize
1.5MB

Download
memory/3708-117-0x0000000000000000-mapping.dmp

Download
memory/3708-118-0x0000000000B00000-0x0000000000B01000-memory.dmp

Filesize
4KB

Download
memory/3708-119-0x0000000000B00000-0x0000000000B01000-memory.dmp

Filesize
4KB

Download
memory/3708-122-0x0000000002D90000-0x0000000002DBF000-memory.dmp

Filesize
188KB

Download
memory/3708-121-0x0000000000AD0000-0x0000000000AE2000-memory.dmp

Filesize
72KB

Download
memory/3708-123-0x0000000004DC0000-0x00000000050E0000-memory.dmp

Filesize
3.1MB

Download
memory/3708-124-0x0000000004B30000-0x0000000004BC4000-memory.dmp

Filesize
592KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads