formbook | 3c02bb7b44aed296562d9cd1b8a999438ebe46129a9a9eed79dc6e86a1581048

General

Target

R220917549.exe
Size

923KB
MD5

65e707bd6d53922eed2f27b35bd5355a
SHA1

8e2cb2687357567045584ed5cb36c11cc928f4a4
SHA256

ca2474c82643817c50106479f991ae282b9bb24fde98721dc5f99fe9a5eb3300
SHA512

606f8a9fab4b19fc43ed233f62fcefc3758e1e8fd6358b9fecbd8a3e3a43027ddded905ad2fc185eec7c3e14c1ad563ce007cb35f61797846807757b2ac1447a

Score

10^/10

formbook crt persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

crt

Decoy

breyononline.com

bruczko.com

5150pe.com

baltonol.com

turlkeybellflowers.com

redoxparcaitalyopposites.win

greenbox.store

aftoes.com

balipotret.com

wolfgate.pictures

330121.com

artofreggae.com

sharing-hands.info

qqdada.com

amzbeast.com

qingtaitalk.com

eldridgebrook.com

yuanyuanjuan.com

cincysteamspecialist.com

kentputtingacademy.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 1 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/996-62-0x0000000000080000-0x00000000000AA000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1396 cmd.exe

pid	process
1396	cmd.exe

Adds 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\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	cmmon32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NPE0P08HAN = "C:\\Program Files (x86)\\Jyvntivh0\\audiodgdngl.exe"	cmmon32.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

R220917549.exeR220917549.execmmon32.exe

description	pid	process	target process
PID 1668 set thread context of 1984	1668	R220917549.exe	R220917549.exe
PID 1984 set thread context of 1260	1984	R220917549.exe	Explorer.EXE
PID 996 set thread context of 1260	996	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)\Jyvntivh0\audiodgdngl.exe cmmon32.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Jyvntivh0\audiodgdngl.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 28 IoCs

Processes:

R220917549.exeR220917549.execmmon32.exe

pid	process
1668	R220917549.exe
1984	R220917549.exe
1984	R220917549.exe
996	cmmon32.exe
996	cmmon32.exe
996	cmmon32.exe
996	cmmon32.exe
996	cmmon32.exe
996	cmmon32.exe
996	cmmon32.exe
996	cmmon32.exe
996	cmmon32.exe
996	cmmon32.exe
996	cmmon32.exe
996	cmmon32.exe
996	cmmon32.exe
996	cmmon32.exe
996	cmmon32.exe
996	cmmon32.exe
996	cmmon32.exe
996	cmmon32.exe
996	cmmon32.exe
996	cmmon32.exe
996	cmmon32.exe
996	cmmon32.exe
996	cmmon32.exe
996	cmmon32.exe
996	cmmon32.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

R220917549.exeR220917549.execmmon32.exe

pid process

1668 R220917549.exe
1984 R220917549.exe
1984 R220917549.exe
1984 R220917549.exe
996 cmmon32.exe
996 cmmon32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

R220917549.execmmon32.exe

description pid process

Token: SeDebugPrivilege 1984 R220917549.exe
Token: SeDebugPrivilege 996 cmmon32.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE
1260 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE
1260 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1984	R220917549.exe
Token: SeDebugPrivilege	996	cmmon32.exe

pid	process
1260	Explorer.EXE
1260	Explorer.EXE

pid	process
1260	Explorer.EXE
1260	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

R220917549.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 1668 wrote to memory of 1984	1668	R220917549.exe	R220917549.exe
PID 1668 wrote to memory of 1984	1668	R220917549.exe	R220917549.exe
PID 1668 wrote to memory of 1984	1668	R220917549.exe	R220917549.exe
PID 1668 wrote to memory of 1984	1668	R220917549.exe	R220917549.exe
PID 1260 wrote to memory of 996	1260	Explorer.EXE	cmmon32.exe
PID 1260 wrote to memory of 996	1260	Explorer.EXE	cmmon32.exe
PID 1260 wrote to memory of 996	1260	Explorer.EXE	cmmon32.exe
PID 1260 wrote to memory of 996	1260	Explorer.EXE	cmmon32.exe
PID 996 wrote to memory of 1396	996	cmmon32.exe	cmd.exe
PID 996 wrote to memory of 1396	996	cmmon32.exe	cmd.exe
PID 996 wrote to memory of 1396	996	cmmon32.exe	cmd.exe
PID 996 wrote to memory of 1396	996	cmmon32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1260

C:\Users\Admin\AppData\Local\Temp\R220917549.exe
"C:\Users\Admin\AppData\Local\Temp\R220917549.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1668

C:\Users\Admin\AppData\Local\Temp\R220917549.exe
"C:\Users\Admin\AppData\Local\Temp\R220917549.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1984

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Adds 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:996

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\R220917549.exe"
3⤵
- Deletes itself
PID:1396

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\24AO8R8R\24Alogim.jpeg
Filesize
63KB

MD5
10bc46b124b61706b46e8372f56be4fa

SHA1
05a0ac2d16ebf110bbd5ada380b965362c5df180

SHA256
9c5bc779bdefd69179e3f6525259e171d9b19956471e3375be4be90d52dc9ff5

SHA512
72fb6b140770121131523781d046ded6bf63f59fffb159c3a15856d837866b16554feccbe70181e601aa039a028f96a1996959c8e7df9c7d9f3a723b03c1081d

Download Submit
C:\Users\Admin\AppData\Roaming\24AO8R8R\24Alogri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\24AO8R8R\24Alogrv.ini
Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/996-62-0x0000000000080000-0x00000000000AA000-memory.dmp

Filesize
168KB

Download
memory/996-65-0x0000000001E20000-0x0000000001EB3000-memory.dmp

Filesize
588KB

Download
memory/996-64-0x0000000001EC0000-0x00000000021C3000-memory.dmp

Filesize
3.0MB

Download
memory/996-60-0x0000000000000000-mapping.dmp

Download
memory/996-61-0x0000000000300000-0x000000000030D000-memory.dmp

Filesize
52KB

Download
memory/1260-66-0x0000000006C30000-0x0000000006D58000-memory.dmp

Filesize
1.2MB

Download
memory/1260-59-0x0000000006AE0000-0x0000000006C23000-memory.dmp

Filesize
1.3MB

Download
memory/1396-63-0x0000000000000000-mapping.dmp

Download
memory/1668-54-0x0000000075BF1000-0x0000000075BF3000-memory.dmp

Filesize
8KB

Download
memory/1668-56-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/1984-58-0x0000000000580000-0x0000000000594000-memory.dmp

Filesize
80KB

Download
memory/1984-57-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/1984-55-0x000000000041B670-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads