formbook | e4d2c7462fe52eac23f88b482194083439cf69d48be74b3514ea804be68fff7e

General

Target

Payment transfer.exe
Size

317KB
MD5

96106d8d331a6f9c135c1f81bb82d9fe
SHA1

7e59ba122d299460504be159a862faeaf2f80491
SHA256

293f8c9b635a869a00e4f0d275c8a3e8f358242e4813e443282cbc5ceb8f099d
SHA512

87309e2ed58c1d5b257a73abb1332c0faf36c98972840487b2388d7dd96ed1805d06bcafd831f36c980b1fd1283ff54636f885eaa9e4797fb7d19387144af4d3

Score

10^/10

formbook rmj evasion persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

rmj

Decoy

arksarto.com

immigrationlawyersanjose.com

o60q2.com

my-mind-impulse.com

tenkai.info

southgeorgiaroofs.com

seo.ltd

joinpznow.today

acow.ltd

psychologue-paysdegex.com

ameenuzpg.com

iddua.com

jsfvat.info

fatalsdetale.online

91javac.com

racheldinwiddie.com

kedipvps.com

kinmeginme.com

greatarmor.com

golden.solar

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 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1104-59-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral1/memory/1104-60-0x000000000041B710-mapping.dmp	formbook
behavioral1/memory/1004-68-0x0000000000080000-0x00000000000AA000-memory.dmp	formbook

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Payment transfer.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Payment transfer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Payment transfer.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

440 cmd.exe

pid	process
440	cmd.exe

Adds 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
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	netsh.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\T4XDCX58GPG = "C:\\Program Files (x86)\\Clf_tq41\\gdi9rex.exe"	netsh.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

Payment transfer.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	Payment transfer.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	Payment transfer.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Payment transfer.exePayment transfer.exenetsh.exe

description	pid	process	target process
PID 1676 set thread context of 1104	1676	Payment transfer.exe	Payment transfer.exe
PID 1104 set thread context of 1264	1104	Payment transfer.exe	Explorer.EXE
PID 1004 set thread context of 1264	1004	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)\Clf_tq41\gdi9rex.exe netsh.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Clf_tq41\gdi9rex.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-1-5-21-2277218442-1199762539-2004043321-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	netsh.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

Payment transfer.exenetsh.exe

pid	process
1104	Payment transfer.exe
1104	Payment transfer.exe
1004	netsh.exe
1004	netsh.exe
1004	netsh.exe
1004	netsh.exe
1004	netsh.exe
1004	netsh.exe
1004	netsh.exe
1004	netsh.exe
1004	netsh.exe
1004	netsh.exe
1004	netsh.exe
1004	netsh.exe
1004	netsh.exe
1004	netsh.exe
1004	netsh.exe
1004	netsh.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Payment transfer.exenetsh.exe

pid process

1104 Payment transfer.exe
1104 Payment transfer.exe
1104 Payment transfer.exe
1004 netsh.exe
1004 netsh.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Payment transfer.exePayment transfer.exenetsh.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1676	Payment transfer.exe
Token: SeDebugPrivilege	1104	Payment transfer.exe
Token: SeDebugPrivilege	1004	netsh.exe
Token: SeShutdownPrivilege	1264	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1264 Explorer.EXE
1264 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1264 Explorer.EXE
1264 Explorer.EXE

pid	process
1264	Explorer.EXE
1264	Explorer.EXE

pid	process
1264	Explorer.EXE
1264	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Payment transfer.exeExplorer.EXEnetsh.exe

description	pid	process	target process
PID 1676 wrote to memory of 1104	1676	Payment transfer.exe	Payment transfer.exe
PID 1676 wrote to memory of 1104	1676	Payment transfer.exe	Payment transfer.exe
PID 1676 wrote to memory of 1104	1676	Payment transfer.exe	Payment transfer.exe
PID 1676 wrote to memory of 1104	1676	Payment transfer.exe	Payment transfer.exe
PID 1676 wrote to memory of 1104	1676	Payment transfer.exe	Payment transfer.exe
PID 1676 wrote to memory of 1104	1676	Payment transfer.exe	Payment transfer.exe
PID 1676 wrote to memory of 1104	1676	Payment transfer.exe	Payment transfer.exe
PID 1264 wrote to memory of 1004	1264	Explorer.EXE	netsh.exe
PID 1264 wrote to memory of 1004	1264	Explorer.EXE	netsh.exe
PID 1264 wrote to memory of 1004	1264	Explorer.EXE	netsh.exe
PID 1264 wrote to memory of 1004	1264	Explorer.EXE	netsh.exe
PID 1004 wrote to memory of 440	1004	netsh.exe	cmd.exe
PID 1004 wrote to memory of 440	1004	netsh.exe	cmd.exe
PID 1004 wrote to memory of 440	1004	netsh.exe	cmd.exe
PID 1004 wrote to memory of 440	1004	netsh.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1264

C:\Users\Admin\AppData\Local\Temp\Payment transfer.exe
"C:\Users\Admin\AppData\Local\Temp\Payment transfer.exe"
2⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1676

C:\Users\Admin\AppData\Local\Temp\Payment transfer.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1104

C:\Windows\SysWOW64\netsh.exe
"C:\Windows\SysWOW64\netsh.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:1004

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Payment transfer.exe"
3⤵
- Deletes itself
PID:440

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

2

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\890309VS\890logim.jpeg
Filesize
49KB

MD5
96b6887edc2b63cbdcf89db59501f268

SHA1
0a7d50ca3e77762b23a0e360d6af6239b2dacd30

SHA256
99d84b74837c4c28b453022220c07294881866c5490a68d8e85014528e428780

SHA512
a9ad8840670014e6b68e63e81ec254a0c6d63d04db7098de350ca005bf1d0eb04a2ff48531735dd68690406ca724737200ab9c25166f1cc49719fd2967aef329

Download Submit
C:\Users\Admin\AppData\Roaming\890309VS\890logri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\890309VS\890logrv.ini
Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/440-66-0x0000000000000000-mapping.dmp

Download
memory/1004-65-0x0000000000000000-mapping.dmp

Download
memory/1004-70-0x0000000000970000-0x0000000000A03000-memory.dmp

Filesize
588KB

Download
memory/1004-69-0x0000000000C40000-0x0000000000F43000-memory.dmp

Filesize
3.0MB

Download
memory/1004-68-0x0000000000080000-0x00000000000AA000-memory.dmp

Filesize
168KB

Download
memory/1004-67-0x0000000001430000-0x000000000144B000-memory.dmp

Filesize
108KB

Download
memory/1104-59-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1104-63-0x0000000000190000-0x00000000001A4000-memory.dmp

Filesize
80KB

Download
memory/1104-62-0x0000000000770000-0x0000000000A73000-memory.dmp

Filesize
3.0MB

Download
memory/1104-60-0x000000000041B710-mapping.dmp

Download
memory/1104-56-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1104-57-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1264-64-0x0000000004FE0000-0x000000000511D000-memory.dmp

Filesize
1.2MB

Download
memory/1264-71-0x0000000004D50000-0x0000000004E2F000-memory.dmp

Filesize
892KB

Download
memory/1676-54-0x0000000075761000-0x0000000075763000-memory.dmp

Filesize
8KB

Download
memory/1676-55-0x0000000074B40000-0x00000000750EB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads