formbook | c46ee625d9626c6583f1129a66c6044d50ae10ba95fec689e13646a0278afbe0

General

Target

me.scr
Size

502KB
MD5

6b693ec92fa73a62acad9332bbf4b00e
SHA1

b80dc9288fd45bb5db01c98a100e57bbc0da1570
SHA256

d7740644db0391caebce4ec75e92a95062eb29b65cf118815907ae1a291421a1
SHA512

09b3ce7c75f1ce37133d7f9e6d4a487f28ec3b7ebfa67e66db300414d08bc366c74b3c87fc8267fa85a8237489ddfa781fe4d4fe48ebacf80ff8e2225d4d6d53

Score

10^/10

formbook hha persistence rat spyware stealer suricata 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
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral5/memory/1980-63-0x000000000041E350-mapping.dmp	formbook
behavioral5/memory/1980-62-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral5/memory/1980-65-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral5/memory/1292-71-0x0000000000080000-0x00000000000AD000-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:

cmmon32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	cmmon32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\TTWTKH7HOFR = "C:\\Program Files (x86)\\Obdd\\usercff.exe"	cmmon32.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 3 IoCs

Processes:

me.scrvbc.execmmon32.exe

description	pid	process	target process
PID 1148 set thread context of 1980	1148	me.scr	vbc.exe
PID 1980 set thread context of 1300	1980	vbc.exe	Explorer.EXE
PID 1292 set thread context of 1300	1292	cmmon32.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

cmmon32.exe

description ioc process

File opened for modification C:\Program Files (x86)\Obdd\usercff.exe cmmon32.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Obdd\usercff.exe	cmmon32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cmmon32.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2277218442-1199762539-2004043321-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmmon32.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

vbc.execmmon32.exe

pid	process
1980	vbc.exe
1980	vbc.exe
1292	cmmon32.exe
1292	cmmon32.exe
1292	cmmon32.exe
1292	cmmon32.exe
1292	cmmon32.exe
1292	cmmon32.exe
1292	cmmon32.exe
1292	cmmon32.exe
1292	cmmon32.exe
1292	cmmon32.exe
1292	cmmon32.exe
1292	cmmon32.exe
1292	cmmon32.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

vbc.execmmon32.exe

pid process

1980 vbc.exe
1980 vbc.exe
1980 vbc.exe
1292 cmmon32.exe
1292 cmmon32.exe
1292 cmmon32.exe
1292 cmmon32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

vbc.execmmon32.exe

description pid process

Token: SeDebugPrivilege 1980 vbc.exe
Token: SeDebugPrivilege 1292 cmmon32.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1300 Explorer.EXE
1300 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1300 Explorer.EXE
1300 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1980	vbc.exe
Token: SeDebugPrivilege	1292	cmmon32.exe

pid	process
1300	Explorer.EXE
1300	Explorer.EXE

pid	process
1300	Explorer.EXE
1300	Explorer.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

me.scrExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 1148 wrote to memory of 1980	1148	me.scr	vbc.exe
PID 1148 wrote to memory of 1980	1148	me.scr	vbc.exe
PID 1148 wrote to memory of 1980	1148	me.scr	vbc.exe
PID 1148 wrote to memory of 1980	1148	me.scr	vbc.exe
PID 1148 wrote to memory of 1980	1148	me.scr	vbc.exe
PID 1148 wrote to memory of 1980	1148	me.scr	vbc.exe
PID 1148 wrote to memory of 1980	1148	me.scr	vbc.exe
PID 1300 wrote to memory of 1292	1300	Explorer.EXE	cmmon32.exe
PID 1300 wrote to memory of 1292	1300	Explorer.EXE	cmmon32.exe
PID 1300 wrote to memory of 1292	1300	Explorer.EXE	cmmon32.exe
PID 1300 wrote to memory of 1292	1300	Explorer.EXE	cmmon32.exe
PID 1292 wrote to memory of 1696	1292	cmmon32.exe	cmd.exe
PID 1292 wrote to memory of 1696	1292	cmmon32.exe	cmd.exe
PID 1292 wrote to memory of 1696	1292	cmmon32.exe	cmd.exe
PID 1292 wrote to memory of 1696	1292	cmmon32.exe	cmd.exe
PID 1292 wrote to memory of 1076	1292	cmmon32.exe	Firefox.exe
PID 1292 wrote to memory of 1076	1292	cmmon32.exe	Firefox.exe
PID 1292 wrote to memory of 1076	1292	cmmon32.exe	Firefox.exe
PID 1292 wrote to memory of 1076	1292	cmmon32.exe	Firefox.exe
PID 1292 wrote to memory of 1076	1292	cmmon32.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:1300

C:\Users\Admin\AppData\Local\Temp\me.scr
"C:\Users\Admin\AppData\Local\Temp\me.scr" /S
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1148

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1980

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.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:1292

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
3⤵
PID:1696

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1076

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Scripting

1

T1064

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\O0555R23\O05logim.jpeg
Filesize
72KB

MD5
5be0599b29ad3b6225e2a758d220ce2d

SHA1
1059c30ce8b65f3f32edba02ac2e6a2ddfc3d46f

SHA256
cd55a7f62c2cb1c45df7af2c0edca6c50a37ee6d2536dd10392d367643d8c901

SHA512
6fc50526c0999699b7678171ea35e10c7a92d4820f9cce2e708ddaec989cd6acfa6a7c4b709195a49242ba9ef1e24a5d95e70e930a168a0cbdd41c1822bda1d9

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/1148-57-0x0000000002220000-0x000000000226E000-memory.dmp

Filesize
312KB

Download
memory/1148-58-0x0000000002270000-0x00000000022A4000-memory.dmp

Filesize
208KB

Download
memory/1148-56-0x0000000000280000-0x0000000000292000-memory.dmp

Filesize
72KB

Download
memory/1148-55-0x00000000763E1000-0x00000000763E3000-memory.dmp

Filesize
8KB

Download
memory/1148-54-0x00000000009C0000-0x0000000000A42000-memory.dmp

Filesize
520KB

Download
memory/1292-70-0x0000000000F70000-0x0000000000F7D000-memory.dmp

Filesize
52KB

Download
memory/1292-74-0x00000000004B0000-0x0000000000543000-memory.dmp

Filesize
588KB

Download
memory/1292-72-0x0000000000C50000-0x0000000000F53000-memory.dmp

Filesize
3.0MB

Download
memory/1292-71-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/1292-69-0x0000000000000000-mapping.dmp

Download
memory/1300-75-0x00000000042A0000-0x0000000004340000-memory.dmp

Filesize
640KB

Download
memory/1300-68-0x0000000002BD0000-0x0000000002CC9000-memory.dmp

Filesize
996KB

Download
memory/1696-73-0x0000000000000000-mapping.dmp

Download
memory/1980-67-0x0000000000190000-0x00000000001A4000-memory.dmp

Filesize
80KB

Download
memory/1980-66-0x0000000000E20000-0x0000000001123000-memory.dmp

Filesize
3.0MB

Download
memory/1980-65-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1980-62-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1980-63-0x000000000041E350-mapping.dmp

Download
memory/1980-60-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1980-59-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads