formbook | 4b376277cce9c1e365afb51b78046354176a443b45bb6bc123a3ea69710c6c65

General

Target

Factura de proforma pdf.exe
Size

1.0MB
MD5

a9c36956e677bc83e033e20aba4f55f1
SHA1

94cfebd8cf0eedaa9338e20bf9879fef1198ee8f
SHA256

4b376277cce9c1e365afb51b78046354176a443b45bb6bc123a3ea69710c6c65
SHA512

2eff71db4ca0361799a2839a93ceab4ee7736c87fb1109a74e8da8974d8117d3e9634ac02d51a88542bddb4ed10d445cc27815701884eecd1e8f58a3ae684be4

Score

10^/10

formbook n7ak persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

C2

http://www.kmresults.com/n7ak/

Decoy

modischoolcbse.com

theneverwinter.com

rszkjx-vps-hosting.website

fnihil.com

1pbet.com

nnowzscorrez.com

uaotgvjl.icu

starmapsqatar.com

ekisilani.com

extradeepsheets.com

jam-nins.com

buranly.com

orixentertainment.com

rawtech.energy

myol.guru

utex.club

jiapie.com

wowig.store

wweidlyyl.com

systaskautomation.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/780-61-0x0000000000000000-mapping.dmp	formbook
behavioral1/memory/780-64-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral1/memory/780-68-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral1/memory/1584-75-0x00000000000E0000-0x000000000010E000-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:

msiexec.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\E2UXEXOXCNY = "C:\\Program Files (x86)\\Ohx48f\\vgapbc.exe"	msiexec.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Factura de proforma pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows\CurrentVersion\Run\Mwltktvz = "C:\\Users\\Public\\Libraries\\Mwltktvz\\zvtktlwM.url"	Factura de proforma pdf.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

logagent.exemsiexec.exe

description	pid	process	target process
PID 780 set thread context of 1304	780	logagent.exe	Explorer.EXE
PID 780 set thread context of 1304	780	logagent.exe	Explorer.EXE
PID 1584 set thread context of 1304	1584	msiexec.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

msiexec.exe

description ioc process

File opened for modification C:\Program Files (x86)\Ohx48f\vgapbc.exe msiexec.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Ohx48f\vgapbc.exe	msiexec.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2955169046-2371869340-1800780948-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	msiexec.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

logagent.exemsiexec.exe

pid	process
780	logagent.exe
780	logagent.exe
780	logagent.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe
1584	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1304 Explorer.EXE
Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

logagent.exemsiexec.exe

pid process

780 logagent.exe
780 logagent.exe
780 logagent.exe
780 logagent.exe
1584 msiexec.exe
1584 msiexec.exe
1584 msiexec.exe
1584 msiexec.exe

pid	process
1304	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

logagent.exemsiexec.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	780	logagent.exe
Token: SeDebugPrivilege	1584	msiexec.exe
Token: SeShutdownPrivilege	1304	Explorer.EXE
Token: SeShutdownPrivilege	1304	Explorer.EXE
Token: SeShutdownPrivilege	1304	Explorer.EXE
Token: SeShutdownPrivilege	1304	Explorer.EXE
Token: SeShutdownPrivilege	1304	Explorer.EXE
Token: SeShutdownPrivilege	1304	Explorer.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

Factura de proforma pdf.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 1552 wrote to memory of 780	1552	Factura de proforma pdf.exe	logagent.exe
PID 1552 wrote to memory of 780	1552	Factura de proforma pdf.exe	logagent.exe
PID 1552 wrote to memory of 780	1552	Factura de proforma pdf.exe	logagent.exe
PID 1552 wrote to memory of 780	1552	Factura de proforma pdf.exe	logagent.exe
PID 1552 wrote to memory of 780	1552	Factura de proforma pdf.exe	logagent.exe
PID 1552 wrote to memory of 780	1552	Factura de proforma pdf.exe	logagent.exe
PID 1552 wrote to memory of 780	1552	Factura de proforma pdf.exe	logagent.exe
PID 1304 wrote to memory of 1584	1304	Explorer.EXE	msiexec.exe
PID 1304 wrote to memory of 1584	1304	Explorer.EXE	msiexec.exe
PID 1304 wrote to memory of 1584	1304	Explorer.EXE	msiexec.exe
PID 1304 wrote to memory of 1584	1304	Explorer.EXE	msiexec.exe
PID 1304 wrote to memory of 1584	1304	Explorer.EXE	msiexec.exe
PID 1304 wrote to memory of 1584	1304	Explorer.EXE	msiexec.exe
PID 1304 wrote to memory of 1584	1304	Explorer.EXE	msiexec.exe
PID 1584 wrote to memory of 992	1584	msiexec.exe	cmd.exe
PID 1584 wrote to memory of 992	1584	msiexec.exe	cmd.exe
PID 1584 wrote to memory of 992	1584	msiexec.exe	cmd.exe
PID 1584 wrote to memory of 992	1584	msiexec.exe	cmd.exe
PID 1584 wrote to memory of 1680	1584	msiexec.exe	Firefox.exe
PID 1584 wrote to memory of 1680	1584	msiexec.exe	Firefox.exe
PID 1584 wrote to memory of 1680	1584	msiexec.exe	Firefox.exe
PID 1584 wrote to memory of 1680	1584	msiexec.exe	Firefox.exe
PID 1584 wrote to memory of 1680	1584	msiexec.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1304

C:\Users\Admin\AppData\Local\Temp\Factura de proforma pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Factura de proforma pdf.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1552

C:\Windows\SysWOW64\logagent.exe
C:\Windows\System32\logagent.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:780

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.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:1584

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\logagent.exe"
3⤵
PID:992

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1680

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologim.jpeg
MD5
9bdfad0db54432f4d12d83416b1b3d49

SHA1
fbfcb24b5878fab689338a4e38a2893d134e5b55

SHA256
48b7406e38a9b1608bc25f162cc782eeca1f9490f27c966ae542bd44f692e840

SHA512
63f1b3e377fba8ac1270c8b964b200cc676e02ad4e9cfbde06f7ca474db401a815653e88353557df66a4d41507e459ec7e64e30d82685c5fe0c96fd9fcaf1661

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrf.ini
MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologri.ini
MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrv.ini
MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/780-69-0x0000000000330000-0x0000000000344000-memory.dmp

Filesize
80KB

Download
memory/780-64-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/780-63-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/780-65-0x0000000002220000-0x0000000002523000-memory.dmp

Filesize
3.0MB

Download
memory/780-66-0x00000000002D0000-0x00000000002E4000-memory.dmp

Filesize
80KB

Download
memory/780-61-0x0000000000000000-mapping.dmp

Download
memory/780-68-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/780-58-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/780-59-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/992-73-0x0000000000000000-mapping.dmp

Download
memory/1304-67-0x00000000060E0000-0x0000000006192000-memory.dmp

Filesize
712KB

Download
memory/1304-78-0x0000000007F40000-0x00000000080BB000-memory.dmp

Filesize
1.5MB

Download
memory/1304-70-0x00000000062F0000-0x00000000063C3000-memory.dmp

Filesize
844KB

Download
memory/1552-55-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1552-57-0x0000000075B71000-0x0000000075B73000-memory.dmp

Filesize
8KB

Download
memory/1552-56-0x0000000000241000-0x0000000000255000-memory.dmp

Filesize
80KB

Download
memory/1584-71-0x0000000000000000-mapping.dmp

Download
memory/1584-74-0x0000000000FE0000-0x0000000000FF4000-memory.dmp

Filesize
80KB

Download
memory/1584-75-0x00000000000E0000-0x000000000010E000-memory.dmp

Filesize
184KB

Download
memory/1584-76-0x0000000002400000-0x0000000002703000-memory.dmp

Filesize
3.0MB

Download
memory/1584-77-0x0000000000930000-0x00000000009C3000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads