formbook | 5dc52da7b97835654bab2a3a39e93d412a50608bfd7dfccb87ff716c9aba6a37

General

Target

Wvx.exe
Size

761KB
MD5

0d9b2efac64b4245292e7c3112ec8771
SHA1

61b32ec6303fd7fa890dadc3f3f18128f2c264c9
SHA256

5dc52da7b97835654bab2a3a39e93d412a50608bfd7dfccb87ff716c9aba6a37
SHA512

47d00d1a6e705662d18fb3a9885af5a8a51ad3ef4ad3bbbcabf544e5b9a959dc49be99fdea562ff6db59981941db91de761d7f3dbf59ccaaa12a9a35357081ed
SSDEEP

12288:QCZzLzeEILPryAzRVelrKhVaZF6NPeUDQ1cwCbGOaS80v2ekdeoFuPD7hXJGRTw:QCZzeEIrryORVep2QF6N/Q1bWGDTFmJT

Score

10^/10

formbook ar73 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ar73

Decoy

classgorilla.com

b6817.com

1wwuwa.top

dgslimited.africa

deepwaterships.com

hkshshoptw.shop

hurricanevalleyatvjamboree.com

ckpconsulting.com

laojiangmath.com

authenticityhacking.com

family-doctor-53205.com

investinstgeorgeut.com

lithoearthsolution.africa

quickhealcareltd.co.uk

delightkgrillw.top

freezeclosettoilet.com

coo1star.com

gemgamut.com

enrichednetworksolutions.com

betterbeeclean.com

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/776-65-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/776-68-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/548-73-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook
behavioral1/memory/548-75-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1772 cmd.exe

pid	process
1772	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Wvx.exeWvx.exewininit.exe

description	pid	process	target process
PID 1228 set thread context of 776	1228	Wvx.exe	Wvx.exe
PID 776 set thread context of 1248	776	Wvx.exe	Explorer.EXE
PID 548 set thread context of 1248	548	wininit.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

Wvx.exewininit.exe

pid	process
776	Wvx.exe
776	Wvx.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe
548	wininit.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1248 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Wvx.exewininit.exe

pid process

776 Wvx.exe
776 Wvx.exe
776 Wvx.exe
548 wininit.exe
548 wininit.exe

pid	process
1248	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Wvx.exewininit.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	776	Wvx.exe
Token: SeDebugPrivilege	548	wininit.exe
Token: SeShutdownPrivilege	1248	Explorer.EXE
Token: SeShutdownPrivilege	1248	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1248 Explorer.EXE
1248 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1248 Explorer.EXE
1248 Explorer.EXE

pid	process
1248	Explorer.EXE
1248	Explorer.EXE

pid	process
1248	Explorer.EXE
1248	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Wvx.exeExplorer.EXEwininit.exe

description	pid	process	target process
PID 1228 wrote to memory of 776	1228	Wvx.exe	Wvx.exe
PID 1228 wrote to memory of 776	1228	Wvx.exe	Wvx.exe
PID 1228 wrote to memory of 776	1228	Wvx.exe	Wvx.exe
PID 1228 wrote to memory of 776	1228	Wvx.exe	Wvx.exe
PID 1228 wrote to memory of 776	1228	Wvx.exe	Wvx.exe
PID 1228 wrote to memory of 776	1228	Wvx.exe	Wvx.exe
PID 1228 wrote to memory of 776	1228	Wvx.exe	Wvx.exe
PID 1248 wrote to memory of 548	1248	Explorer.EXE	wininit.exe
PID 1248 wrote to memory of 548	1248	Explorer.EXE	wininit.exe
PID 1248 wrote to memory of 548	1248	Explorer.EXE	wininit.exe
PID 1248 wrote to memory of 548	1248	Explorer.EXE	wininit.exe
PID 548 wrote to memory of 1772	548	wininit.exe	cmd.exe
PID 548 wrote to memory of 1772	548	wininit.exe	cmd.exe
PID 548 wrote to memory of 1772	548	wininit.exe	cmd.exe
PID 548 wrote to memory of 1772	548	wininit.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1248

C:\Users\Admin\AppData\Local\Temp\Wvx.exe
"C:\Users\Admin\AppData\Local\Temp\Wvx.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1228

C:\Users\Admin\AppData\Local\Temp\Wvx.exe
"C:\Users\Admin\AppData\Local\Temp\Wvx.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:776

C:\Windows\SysWOW64\wininit.exe
"C:\Windows\SysWOW64\wininit.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:548

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Wvx.exe"
3⤵
- Deletes itself
PID:1772

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/548-71-0x00000000007F0000-0x000000000080A000-memory.dmp

Filesize
104KB

Download
memory/548-77-0x0000000001DA0000-0x0000000001E33000-memory.dmp

Filesize
588KB

Download
memory/548-75-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/548-74-0x0000000002070000-0x0000000002373000-memory.dmp

Filesize
3.0MB

Download
memory/548-73-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/548-72-0x00000000007F0000-0x000000000080A000-memory.dmp

Filesize
104KB

Download
memory/776-67-0x0000000000AF0000-0x0000000000DF3000-memory.dmp

Filesize
3.0MB

Download
memory/776-68-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/776-62-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/776-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/776-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/776-65-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/776-69-0x0000000000280000-0x0000000000294000-memory.dmp

Filesize
80KB

Download
memory/1228-54-0x0000000000890000-0x0000000000954000-memory.dmp

Filesize
784KB

Download
memory/1228-61-0x0000000004390000-0x00000000043C8000-memory.dmp

Filesize
224KB

Download
memory/1228-60-0x00000000006D0000-0x00000000006D8000-memory.dmp

Filesize
32KB

Download
memory/1228-59-0x0000000005730000-0x00000000057E0000-memory.dmp

Filesize
704KB

Download
memory/1228-58-0x0000000000220000-0x000000000022C000-memory.dmp

Filesize
48KB

Download
memory/1228-57-0x00000000045C0000-0x0000000004600000-memory.dmp

Filesize
256KB

Download
memory/1228-56-0x0000000000340000-0x000000000035E000-memory.dmp

Filesize
120KB

Download
memory/1228-55-0x00000000045C0000-0x0000000004600000-memory.dmp

Filesize
256KB

Download
memory/1248-70-0x0000000006FB0000-0x000000000712E000-memory.dmp

Filesize
1.5MB

Download
memory/1248-78-0x00000000073A0000-0x00000000074B5000-memory.dmp

Filesize
1.1MB

Download
memory/1248-79-0x00000000073A0000-0x00000000074B5000-memory.dmp

Filesize
1.1MB

Download
memory/1248-82-0x00000000073A0000-0x00000000074B5000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads