formbook | d30f415758c3cab377c63b3dd5a043d83d153c47a8f6aae56e88c5868d090556

Analysis

max time kernel
150s
max time network
148s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
04-05-2023 05:55

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General

Target

Inv_7623980.exe
Size

716KB
MD5

866992e686690dd0c538561db3d2b85b
SHA1

050d57066eef80c7099a3be4816c44aae94d63de
SHA256

d30f415758c3cab377c63b3dd5a043d83d153c47a8f6aae56e88c5868d090556
SHA512

e2d8a02b45f2dad782dc33d06b1877c5786491c5db34857d1b2d940c158f47bcde8f1db6950ba850da9e838c9d9883617b3117bf206b578efe5eabcbed0338e1
SSDEEP

12288:6svC6YN1PTGEDUuw23Klrf7QauaCVo9Sep8ceibRdcEBFEqdYG:sLDqDULrogfcVBFEqdY

Score

10^/10

formbook m82 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m82

Decoy

jamesdevereux.com

artificialturfminneapolis.com

hongmeiyan.com

lojaderoupasbr.com

yit.africa

austinrelocationexpert.com

saiva.page

exitsategy.com

chochonux.com

klosterbraeu-unterliezheim.com

byseymanur.com

sblwarwickshire.co.uk

brazimaid.com

ciogame.com

bronzesailing.com

dwkapl.xyz

022dyd.com

compassandpathwriting.com

alphabet1x.com

selfcleaninghairbrush.co.uk

Signatures

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

Formbook payload 5 IoCs

rat

resource	yara_rule
behavioral1/memory/680-63-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/680-67-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/680-74-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1720-78-0x0000000000110000-0x000000000013F000-memory.dmp	formbook
behavioral1/memory/1720-80-0x0000000000110000-0x000000000013F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 816 set thread context of 680	816	Inv_7623980.exe	28
PID 680 set thread context of 1308	680	RegSvcs.exe	14
PID 680 set thread context of 1308	680	RegSvcs.exe	14
PID 1720 set thread context of 1308	1720	msiexec.exe	14

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
816	Inv_7623980.exe
816	Inv_7623980.exe
680	RegSvcs.exe
680	RegSvcs.exe
680	RegSvcs.exe
1720	msiexec.exe
1720	msiexec.exe
1720	msiexec.exe
1720	msiexec.exe
1720	msiexec.exe
1720	msiexec.exe
1720	msiexec.exe
1720	msiexec.exe
1720	msiexec.exe
1720	msiexec.exe
1720	msiexec.exe
1720	msiexec.exe
1720	msiexec.exe
1720	msiexec.exe
1720	msiexec.exe
1720	msiexec.exe
1720	msiexec.exe
1720	msiexec.exe
1720	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1308	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
680	RegSvcs.exe
680	RegSvcs.exe
680	RegSvcs.exe
680	RegSvcs.exe
1720	msiexec.exe
1720	msiexec.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	816	Inv_7623980.exe
Token: SeDebugPrivilege	680	RegSvcs.exe
Token: SeDebugPrivilege	1720	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1308	Explorer.EXE
1308	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1308	Explorer.EXE
1308	Explorer.EXE

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 816 wrote to memory of 1184	816	Inv_7623980.exe	27
PID 816 wrote to memory of 1184	816	Inv_7623980.exe	27
PID 816 wrote to memory of 1184	816	Inv_7623980.exe	27
PID 816 wrote to memory of 1184	816	Inv_7623980.exe	27
PID 816 wrote to memory of 1184	816	Inv_7623980.exe	27
PID 816 wrote to memory of 1184	816	Inv_7623980.exe	27
PID 816 wrote to memory of 1184	816	Inv_7623980.exe	27
PID 816 wrote to memory of 680	816	Inv_7623980.exe	28
PID 816 wrote to memory of 680	816	Inv_7623980.exe	28
PID 816 wrote to memory of 680	816	Inv_7623980.exe	28
PID 816 wrote to memory of 680	816	Inv_7623980.exe	28
PID 816 wrote to memory of 680	816	Inv_7623980.exe	28
PID 816 wrote to memory of 680	816	Inv_7623980.exe	28
PID 816 wrote to memory of 680	816	Inv_7623980.exe	28
PID 816 wrote to memory of 680	816	Inv_7623980.exe	28
PID 816 wrote to memory of 680	816	Inv_7623980.exe	28
PID 816 wrote to memory of 680	816	Inv_7623980.exe	28
PID 1308 wrote to memory of 1720	1308	Explorer.EXE	29
PID 1308 wrote to memory of 1720	1308	Explorer.EXE	29
PID 1308 wrote to memory of 1720	1308	Explorer.EXE	29
PID 1308 wrote to memory of 1720	1308	Explorer.EXE	29
PID 1308 wrote to memory of 1720	1308	Explorer.EXE	29
PID 1308 wrote to memory of 1720	1308	Explorer.EXE	29
PID 1308 wrote to memory of 1720	1308	Explorer.EXE	29
PID 1720 wrote to memory of 948	1720	msiexec.exe	30
PID 1720 wrote to memory of 948	1720	msiexec.exe	30
PID 1720 wrote to memory of 948	1720	msiexec.exe	30
PID 1720 wrote to memory of 948	1720	msiexec.exe	30

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1308
- C:\Users\Admin\AppData\Local\Temp\Inv_7623980.exe
  "C:\Users\Admin\AppData\Local\Temp\Inv_7623980.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:816
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "{path}"
    3⤵
    PID:1184
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:680
- 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:1720
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:948

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/680-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/680-66-0x0000000000A20000-0x0000000000D23000-memory.dmp

Filesize
3.0MB

Download
memory/680-71-0x00000000001F0000-0x0000000000205000-memory.dmp

Filesize
84KB

Download
memory/680-68-0x00000000001A0000-0x00000000001B5000-memory.dmp

Filesize
84KB

Download
memory/680-74-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/680-62-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/680-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/680-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/680-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/816-59-0x00000000005B0000-0x00000000005F8000-memory.dmp

Filesize
288KB

Download
memory/816-58-0x0000000005B50000-0x0000000005BEA000-memory.dmp

Filesize
616KB

Download
memory/816-57-0x00000000048D0000-0x0000000004910000-memory.dmp

Filesize
256KB

Download
memory/816-56-0x0000000000510000-0x000000000051C000-memory.dmp

Filesize
48KB

Download
memory/816-55-0x00000000048D0000-0x0000000004910000-memory.dmp

Filesize
256KB

Download
memory/816-54-0x00000000012C0000-0x000000000137A000-memory.dmp

Filesize
744KB

Download
memory/1308-87-0x0000000007240000-0x000000000734F000-memory.dmp

Filesize
1.1MB

Download
memory/1308-72-0x0000000004830000-0x000000000492C000-memory.dmp

Filesize
1008KB

Download
memory/1308-84-0x0000000007240000-0x000000000734F000-memory.dmp

Filesize
1.1MB

Download
memory/1308-85-0x0000000007240000-0x000000000734F000-memory.dmp

Filesize
1.1MB

Download
memory/1308-69-0x0000000006BC0000-0x0000000006D21000-memory.dmp

Filesize
1.4MB

Download
memory/1720-73-0x0000000000D30000-0x0000000000D44000-memory.dmp

Filesize
80KB

Download
memory/1720-75-0x0000000000D30000-0x0000000000D44000-memory.dmp

Filesize
80KB

Download
memory/1720-77-0x0000000000D30000-0x0000000000D44000-memory.dmp

Filesize
80KB

Download
memory/1720-78-0x0000000000110000-0x000000000013F000-memory.dmp

Filesize
188KB

Download
memory/1720-79-0x00000000022E0000-0x00000000025E3000-memory.dmp

Filesize
3.0MB

Download
memory/1720-80-0x0000000000110000-0x000000000013F000-memory.dmp

Filesize
188KB

Download
memory/1720-83-0x0000000000BE0000-0x0000000000C74000-memory.dmp

Filesize
592KB

Download