formbook | 58bbda497419849bd851ed97dfde285b9c995a4421af98475776d6879e21309d

General

Target

Me jpg jpg jpg jpg.exe
Size

550KB
MD5

b341988d42a31ad31f64902f802be8cb
SHA1

dcb84aa283342301808bb227d0f768036cccc89a
SHA256

f80c8e9d0e8ed0ffa6b7d8620a0eb890deb7c9dc84dca3198b3d2625bf5d1099
SHA512

97a260e43f2f77c57d46765d837df1bfa7bbbd27d4e3b8d17a63d68872429301b1be7fa5a735f0a37d7750a63ec98b242a93e7bb6be8ca9a7c9c289fd7b80c32

Score

10^/10

formbook hha persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hha

Decoy

atarairdive.com

binanca.com

krepostta-sofia.com

chiangmaipartys.com

bestglobalseo.com

rdsri.com

immaginaeventi.com

lushrox.com

kenderia.com

goldenbrownacademy.com

kiddyquest.com

cs-support.online

magicovino.com

banderasacuadros.com

originalducatispareparts.com

tfpfleet.com

wickedmaple.com

fasypeoplesearch.com

zggwpmwdcp.com

boav11.com

Signatures

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

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral3/memory/1536-62-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral3/memory/1536-63-0x000000000041E350-mapping.dmp	formbook
behavioral3/memory/1244-70-0x0000000000080000-0x00000000000AD000-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:

netsh.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\BX4DUJ18FPNX = "C:\\Program Files (x86)\\Qlrxtz2e0\\helptrzx0nnh.exe"	netsh.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	netsh.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Me jpg jpg jpg jpg.exeMSBuild.exenetsh.exe

description	pid	process	target process
PID 1944 set thread context of 1536	1944	Me jpg jpg jpg jpg.exe	MSBuild.exe
PID 1536 set thread context of 1232	1536	MSBuild.exe	Explorer.EXE
PID 1244 set thread context of 1232	1244	netsh.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

netsh.exe

description ioc process

File opened for modification C:\Program Files (x86)\Qlrxtz2e0\helptrzx0nnh.exe netsh.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Qlrxtz2e0\helptrzx0nnh.exe	netsh.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

netsh.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	netsh.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

MSBuild.exenetsh.exe

pid	process
1536	MSBuild.exe
1536	MSBuild.exe
1244	netsh.exe
1244	netsh.exe
1244	netsh.exe
1244	netsh.exe
1244	netsh.exe
1244	netsh.exe
1244	netsh.exe
1244	netsh.exe
1244	netsh.exe
1244	netsh.exe
1244	netsh.exe
1244	netsh.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

MSBuild.exenetsh.exe

pid process

1536 MSBuild.exe
1536 MSBuild.exe
1536 MSBuild.exe
1244 netsh.exe
1244 netsh.exe
1244 netsh.exe
1244 netsh.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

MSBuild.exenetsh.exe

description pid process

Token: SeDebugPrivilege 1536 MSBuild.exe
Token: SeDebugPrivilege 1244 netsh.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1232 Explorer.EXE
1232 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1232 Explorer.EXE
1232 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1536	MSBuild.exe
Token: SeDebugPrivilege	1244	netsh.exe

pid	process
1232	Explorer.EXE
1232	Explorer.EXE

pid	process
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

Me jpg jpg jpg jpg.exeExplorer.EXEnetsh.exe

description	pid	process	target process
PID 1944 wrote to memory of 1536	1944	Me jpg jpg jpg jpg.exe	MSBuild.exe
PID 1944 wrote to memory of 1536	1944	Me jpg jpg jpg jpg.exe	MSBuild.exe
PID 1944 wrote to memory of 1536	1944	Me jpg jpg jpg jpg.exe	MSBuild.exe
PID 1944 wrote to memory of 1536	1944	Me jpg jpg jpg jpg.exe	MSBuild.exe
PID 1944 wrote to memory of 1536	1944	Me jpg jpg jpg jpg.exe	MSBuild.exe
PID 1944 wrote to memory of 1536	1944	Me jpg jpg jpg jpg.exe	MSBuild.exe
PID 1944 wrote to memory of 1536	1944	Me jpg jpg jpg jpg.exe	MSBuild.exe
PID 1232 wrote to memory of 1244	1232	Explorer.EXE	netsh.exe
PID 1232 wrote to memory of 1244	1232	Explorer.EXE	netsh.exe
PID 1232 wrote to memory of 1244	1232	Explorer.EXE	netsh.exe
PID 1232 wrote to memory of 1244	1232	Explorer.EXE	netsh.exe
PID 1244 wrote to memory of 648	1244	netsh.exe	cmd.exe
PID 1244 wrote to memory of 648	1244	netsh.exe	cmd.exe
PID 1244 wrote to memory of 648	1244	netsh.exe	cmd.exe
PID 1244 wrote to memory of 648	1244	netsh.exe	cmd.exe
PID 1244 wrote to memory of 1956	1244	netsh.exe	Firefox.exe
PID 1244 wrote to memory of 1956	1244	netsh.exe	Firefox.exe
PID 1244 wrote to memory of 1956	1244	netsh.exe	Firefox.exe
PID 1244 wrote to memory of 1956	1244	netsh.exe	Firefox.exe
PID 1244 wrote to memory of 1956	1244	netsh.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Users\Admin\AppData\Local\Temp\Me jpg jpg jpg jpg.exe
  "C:\Users\Admin\AppData\Local\Temp\Me jpg jpg jpg jpg.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1944
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1536
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\SysWOW64\netsh.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:1244
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    PID:648
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1956

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\O0555R23\O05logim.jpeg

Filesize
62KB

MD5
3c76a6f76e6a8dd0a4261feaaf5238f3

SHA1
ad06389db02524014f00c2317b1fbeb214981660

SHA256
752ccfd8d7149f3baf26c53d4a4c8164a7dec887f2bb7c6ef5dc26ecda7f1bd8

SHA512
a3cbfb6aa01ee25fd8ca4d9dd6cd92c375e014e080b324e0f08e0057b785e163561721648f83ac04a78b32b6f09d6b13c5c14f4be834f6c918e5d979c731faad

Download Submit
C:\Users\Admin\AppData\Roaming\O0555R23\O05logrf.ini

Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\O0555R23\O05logri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\O0555R23\O05logrv.ini

Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/648-72-0x0000000000000000-mapping.dmp

Download
memory/1232-74-0x00000000064F0000-0x0000000006634000-memory.dmp

Filesize
1.3MB

Download
memory/1232-67-0x0000000005FC0000-0x000000000612B000-memory.dmp

Filesize
1.4MB

Download
memory/1244-68-0x0000000000000000-mapping.dmp

Download
memory/1244-73-0x0000000000570000-0x0000000000603000-memory.dmp

Filesize
588KB

Download
memory/1244-71-0x0000000000D30000-0x0000000001033000-memory.dmp

Filesize
3.0MB

Download
memory/1244-70-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1244-69-0x0000000001450000-0x000000000146B000-memory.dmp

Filesize
108KB

Download
memory/1536-59-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1536-66-0x0000000000290000-0x00000000002A4000-memory.dmp

Filesize
80KB

Download
memory/1536-65-0x0000000000880000-0x0000000000B83000-memory.dmp

Filesize
3.0MB

Download
memory/1536-63-0x000000000041E350-mapping.dmp

Download
memory/1536-62-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1536-60-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1944-54-0x0000000000380000-0x0000000000412000-memory.dmp

Filesize
584KB

Download
memory/1944-58-0x0000000004790000-0x00000000047D2000-memory.dmp

Filesize
264KB

Download
memory/1944-57-0x0000000004FE0000-0x0000000005050000-memory.dmp

Filesize
448KB

Download
memory/1944-56-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/1944-55-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads