formbook | cadf6d6a91c8c4e8576468e393638eb7ee477490c5a8a7d0fe9e919b6a6d93ec

General

Target

PO# 11381.exe
Size

397KB
MD5

358bd28cc6d56ab308c4a413b2de32f5
SHA1

88178d1f6e0ad8f120a542f1314f5f4dd907f6ff
SHA256

cadf6d6a91c8c4e8576468e393638eb7ee477490c5a8a7d0fe9e919b6a6d93ec
SHA512

a52182f20b732e9fc37cb0b163b6378b8720209a1c6670decf95c4f518afe927d367ebb69cadb8483abbb0e32cbd218ef256764ad66fb109fd577eb039545973

Score

10^/10

formbook fv89 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

fv89

C2

http://www.keyplus.digital/fv89/

Decoy

explaodingkittens.com

terapisanak.com

wearenlcs.com

bbcwin128.com

gyrotrader.com

pamvagata.com

1stoplendinggroup.store

sedukapug.rest

practicepicnic.com

moonmonkeyventureclub.com

theaveragedude.com

theintegritytalks.com

andesadventureperu.com

helmrad.com

thurmaniniguezdqkaogyzkbus.com

computetecs.com

regionsi.com

bestyounggirls.site

funnelmymoney.com

hardrocktransport.online

Signatures

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

Formbook Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/788-61-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/788-62-0x000000000041F160-mapping.dmp	formbook
behavioral1/memory/788-67-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1680-75-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1320 cmd.exe

pid	process
1320	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

PO# 11381.exePO# 11381.exeexplorer.exe

description	pid	process	target process
PID 1108 set thread context of 788	1108	PO# 11381.exe	PO# 11381.exe
PID 788 set thread context of 1336	788	PO# 11381.exe	Explorer.EXE
PID 788 set thread context of 1336	788	PO# 11381.exe	Explorer.EXE
PID 1680 set thread context of 1336	1680	explorer.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 19 IoCs

Processes:

PO# 11381.exeexplorer.exe

pid	process
788	PO# 11381.exe
788	PO# 11381.exe
788	PO# 11381.exe
1680	explorer.exe
1680	explorer.exe
1680	explorer.exe
1680	explorer.exe
1680	explorer.exe
1680	explorer.exe
1680	explorer.exe
1680	explorer.exe
1680	explorer.exe
1680	explorer.exe
1680	explorer.exe
1680	explorer.exe
1680	explorer.exe
1680	explorer.exe
1680	explorer.exe
1680	explorer.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

PO# 11381.exeexplorer.exe

pid process

788 PO# 11381.exe
788 PO# 11381.exe
788 PO# 11381.exe
788 PO# 11381.exe
1680 explorer.exe
1680 explorer.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO# 11381.exeexplorer.exe

description pid process

Token: SeDebugPrivilege 788 PO# 11381.exe
Token: SeDebugPrivilege 1680 explorer.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1336 Explorer.EXE
1336 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1336 Explorer.EXE
1336 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	788	PO# 11381.exe
Token: SeDebugPrivilege	1680	explorer.exe

pid	process
1336	Explorer.EXE
1336	Explorer.EXE

pid	process
1336	Explorer.EXE
1336	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

PO# 11381.exeExplorer.EXEexplorer.exe

description	pid	process	target process
PID 1108 wrote to memory of 788	1108	PO# 11381.exe	PO# 11381.exe
PID 1108 wrote to memory of 788	1108	PO# 11381.exe	PO# 11381.exe
PID 1108 wrote to memory of 788	1108	PO# 11381.exe	PO# 11381.exe
PID 1108 wrote to memory of 788	1108	PO# 11381.exe	PO# 11381.exe
PID 1108 wrote to memory of 788	1108	PO# 11381.exe	PO# 11381.exe
PID 1108 wrote to memory of 788	1108	PO# 11381.exe	PO# 11381.exe
PID 1108 wrote to memory of 788	1108	PO# 11381.exe	PO# 11381.exe
PID 1336 wrote to memory of 1680	1336	Explorer.EXE	explorer.exe
PID 1336 wrote to memory of 1680	1336	Explorer.EXE	explorer.exe
PID 1336 wrote to memory of 1680	1336	Explorer.EXE	explorer.exe
PID 1336 wrote to memory of 1680	1336	Explorer.EXE	explorer.exe
PID 1680 wrote to memory of 1320	1680	explorer.exe	cmd.exe
PID 1680 wrote to memory of 1320	1680	explorer.exe	cmd.exe
PID 1680 wrote to memory of 1320	1680	explorer.exe	cmd.exe
PID 1680 wrote to memory of 1320	1680	explorer.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1336

C:\Users\Admin\AppData\Local\Temp\PO# 11381.exe
"C:\Users\Admin\AppData\Local\Temp\PO# 11381.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1108

C:\Users\Admin\AppData\Local\Temp\PO# 11381.exe
"C:\Users\Admin\AppData\Local\Temp\PO# 11381.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:788

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1132

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1680

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\PO# 11381.exe"
3⤵
- Deletes itself
PID:1320

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/788-64-0x0000000000850000-0x0000000000B53000-memory.dmp

Filesize
3.0MB

Download
memory/788-62-0x000000000041F160-mapping.dmp

Download
memory/788-65-0x0000000000350000-0x0000000000364000-memory.dmp

Filesize
80KB

Download
memory/788-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/788-68-0x0000000000390000-0x00000000003A4000-memory.dmp

Filesize
80KB

Download
memory/788-59-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/788-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/788-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1108-58-0x0000000000740000-0x0000000000790000-memory.dmp

Filesize
320KB

Download
memory/1108-57-0x0000000000470000-0x0000000000475000-memory.dmp

Filesize
20KB

Download
memory/1108-56-0x0000000001080000-0x0000000001081000-memory.dmp

Filesize
4KB

Download
memory/1108-55-0x0000000075BF1000-0x0000000075BF3000-memory.dmp

Filesize
8KB

Download
memory/1108-53-0x0000000001240000-0x0000000001241000-memory.dmp

Filesize
4KB

Download
memory/1320-73-0x0000000000000000-mapping.dmp

Download
memory/1336-78-0x00000000068F0000-0x0000000006A50000-memory.dmp

Filesize
1.4MB

Download
memory/1336-69-0x0000000007050000-0x00000000071E2000-memory.dmp

Filesize
1.6MB

Download
memory/1336-66-0x00000000065F0000-0x000000000671E000-memory.dmp

Filesize
1.2MB

Download
memory/1680-70-0x0000000000000000-mapping.dmp

Download
memory/1680-72-0x00000000749D1000-0x00000000749D3000-memory.dmp

Filesize
8KB

Download
memory/1680-74-0x00000000000D0000-0x0000000000351000-memory.dmp

Filesize
2.5MB

Download
memory/1680-75-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1680-76-0x0000000002300000-0x0000000002603000-memory.dmp

Filesize
3.0MB

Download
memory/1680-77-0x00000000020D0000-0x0000000002163000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads