formbook | 3702b6cfa76e492d56bd9da5f99f7ff805e32c16b3840ee66bb13a812f5d3155

General

Target

CSA73881.exe
Size

2.1MB
MD5

3ed3236517a40602d654555bc912d926
SHA1

16dc042b543fe473703e711844f508d353d6d6af
SHA256

3702b6cfa76e492d56bd9da5f99f7ff805e32c16b3840ee66bb13a812f5d3155
SHA512

05c6c1d72929e8221522452ce757467a05b07a6e6a8a85ef6f0f16f8dc052068fdb54636f8526dd0eeea7c9fe743dcc4eba6fb84f36cc4a3bbc82b7d057f93d2

Score

10^/10

formbook mh76 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

mh76

Decoy

healthgovcalottery.net

wenxinliao.com

rooterphd.com

bbobbo.one

american-mes-de-dezembro.xyz

mintager.com

thespecialtstore.com

wemakegreenhomes.com

occurandmental.xyz

fidelityrealtytitle.com

numerisat.asia

wearestallions.com

supxl.com

rajacumi.com

renaziv.online

blixtindustries.com

fjljq.com

exploretrivenicamping.com

authenticusspa.com

uucloud.press

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
behavioral2/memory/3456-136-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3456-138-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4992-144-0x0000000000B60000-0x0000000000B8F000-memory.dmp	formbook
behavioral2/memory/4992-149-0x0000000000B60000-0x0000000000B8F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

CSA73881.exeInstallUtil.execontrol.exe

description	pid	process	target process
PID 1472 set thread context of 3456	1472	CSA73881.exe	InstallUtil.exe
PID 3456 set thread context of 1184	3456	InstallUtil.exe	Explorer.EXE
PID 4992 set thread context of 1184	4992	control.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

CSA73881.exeInstallUtil.execontrol.exe

pid	process
1472	CSA73881.exe
1472	CSA73881.exe
3456	InstallUtil.exe
3456	InstallUtil.exe
3456	InstallUtil.exe
3456	InstallUtil.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe
4992	control.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1184 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

InstallUtil.execontrol.exe

pid process

3456 InstallUtil.exe
3456 InstallUtil.exe
3456 InstallUtil.exe
4992 control.exe
4992 control.exe

pid	process
1184	Explorer.EXE

pid	process
3456	InstallUtil.exe
3456	InstallUtil.exe
3456	InstallUtil.exe
4992	control.exe
4992	control.exe

Suspicious use of AdjustPrivilegeToken 15 IoCs

Processes:

CSA73881.exeInstallUtil.execontrol.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1472	CSA73881.exe
Token: SeDebugPrivilege	3456	InstallUtil.exe
Token: SeDebugPrivilege	4992	control.exe
Token: SeShutdownPrivilege	1184	Explorer.EXE
Token: SeCreatePagefilePrivilege	1184	Explorer.EXE
Token: SeShutdownPrivilege	1184	Explorer.EXE
Token: SeCreatePagefilePrivilege	1184	Explorer.EXE
Token: SeShutdownPrivilege	1184	Explorer.EXE
Token: SeCreatePagefilePrivilege	1184	Explorer.EXE
Token: SeShutdownPrivilege	1184	Explorer.EXE
Token: SeCreatePagefilePrivilege	1184	Explorer.EXE
Token: SeShutdownPrivilege	1184	Explorer.EXE
Token: SeCreatePagefilePrivilege	1184	Explorer.EXE
Token: SeShutdownPrivilege	1184	Explorer.EXE
Token: SeCreatePagefilePrivilege	1184	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1184 Explorer.EXE
1184 Explorer.EXE

pid	process
1184	Explorer.EXE
1184	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

CSA73881.exeExplorer.EXEcontrol.exe

description	pid	process	target process
PID 1472 wrote to memory of 3456	1472	CSA73881.exe	InstallUtil.exe
PID 1472 wrote to memory of 3456	1472	CSA73881.exe	InstallUtil.exe
PID 1472 wrote to memory of 3456	1472	CSA73881.exe	InstallUtil.exe
PID 1472 wrote to memory of 3456	1472	CSA73881.exe	InstallUtil.exe
PID 1472 wrote to memory of 3456	1472	CSA73881.exe	InstallUtil.exe
PID 1472 wrote to memory of 3456	1472	CSA73881.exe	InstallUtil.exe
PID 1184 wrote to memory of 4992	1184	Explorer.EXE	control.exe
PID 1184 wrote to memory of 4992	1184	Explorer.EXE	control.exe
PID 1184 wrote to memory of 4992	1184	Explorer.EXE	control.exe
PID 4992 wrote to memory of 2172	4992	control.exe	cmd.exe
PID 4992 wrote to memory of 2172	4992	control.exe	cmd.exe
PID 4992 wrote to memory of 2172	4992	control.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 WriteProcessMemory
PID:1184

C:\Users\Admin\AppData\Local\Temp\CSA73881.exe
"C:\Users\Admin\AppData\Local\Temp\CSA73881.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1472

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3456

C:\Windows\SysWOW64\control.exe
"C:\Windows\SysWOW64\control.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4992

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
3⤵
PID:2172

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1184-141-0x0000000002EB0000-0x0000000002FEA000-memory.dmp

Filesize
1.2MB

Download
memory/1184-150-0x0000000003330000-0x00000000033D6000-memory.dmp

Filesize
664KB

Download
memory/1184-148-0x0000000003330000-0x00000000033D6000-memory.dmp

Filesize
664KB

Download
memory/1472-131-0x0000000005260000-0x0000000005804000-memory.dmp

Filesize
5.6MB

Download
memory/1472-132-0x0000000004ED0000-0x0000000004F62000-memory.dmp

Filesize
584KB

Download
memory/1472-133-0x0000000005020000-0x000000000502A000-memory.dmp

Filesize
40KB

Download
memory/1472-134-0x00000000051E0000-0x0000000005202000-memory.dmp

Filesize
136KB

Download
memory/1472-130-0x00000000001C0000-0x00000000003DC000-memory.dmp

Filesize
2.1MB

Download
memory/2172-146-0x0000000000000000-mapping.dmp

Download
memory/3456-140-0x0000000001680000-0x0000000001695000-memory.dmp

Filesize
84KB

Download
memory/3456-139-0x0000000001330000-0x000000000167A000-memory.dmp

Filesize
3.3MB

Download
memory/3456-138-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3456-136-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3456-135-0x0000000000000000-mapping.dmp

Download
memory/4992-142-0x0000000000000000-mapping.dmp

Download
memory/4992-143-0x0000000000540000-0x0000000000567000-memory.dmp

Filesize
156KB

Download
memory/4992-145-0x0000000002BF0000-0x0000000002F3A000-memory.dmp

Filesize
3.3MB

Download
memory/4992-144-0x0000000000B60000-0x0000000000B8F000-memory.dmp

Filesize
188KB

Download
memory/4992-147-0x0000000002A60000-0x0000000002AF4000-memory.dmp

Filesize
592KB

Download
memory/4992-149-0x0000000000B60000-0x0000000000B8F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads