formbook | 880da923f8772e14298ecf7dc1d8008a5b3ec594faa09121b14a3b5764006584

General

Target

ORDER-#4536 ,pdf.exe
Size

504KB
MD5

6a094a17412972fa961de3851585c5d9
SHA1

d4c4f6f3dd9c59fad99b4a419b3b30f1b7c4bb15
SHA256

50f8d8b5cbbad3f2a1d4a25b84553ba285f49318ab3dbb8d436b6709582997e8
SHA512

6e05941dd561baaa89e74a7461247b5e83e3adab5e0ad6d26e796e8422ebc6fa617c0c8461cb97801e65693de50adc18b138c067d0a01a8b1c83567fff1740ba

Score

10^/10

formbook te persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

te

Decoy

165whc.info

qdbfqfphjidqgtbttnq.com

theforceforsakens.com

septsix.com

meinnatura.com

markcici.com

rh-tv.com

yangzhie288.com

crystalent.biz

ipearlvoyager.com

depositvoucher.accountant

xn--g5ty9lgeu39hdrv5sm.com

newitemof.info

bombkitty.com

lewesdelawarerealestate.com

9c1nine.loan

ramrajindustries.com

standardpitbullpups.com

gentlestitches.com

dotruckbig.live

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
behavioral1/memory/2020-60-0x000000000041B680-mapping.dmp	formbook
behavioral1/memory/2020-59-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral1/memory/2020-62-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral1/memory/1216-70-0x0000000000080000-0x00000000000AA000-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:

mstsc.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	mstsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\XTD8FTBPKB = "C:\\Program Files (x86)\\Ge0j8efe0\\Cookiesb8ftc.exe"	mstsc.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2028 cmd.exe

pid	process
2028	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

ORDER-#4536 ,pdf.exeORDER-#4536 ,pdf.exemstsc.exe

description	pid	process	target process
PID 1008 set thread context of 2020	1008	ORDER-#4536 ,pdf.exe	ORDER-#4536 ,pdf.exe
PID 2020 set thread context of 1284	2020	ORDER-#4536 ,pdf.exe	Explorer.EXE
PID 1216 set thread context of 1284	1216	mstsc.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

mstsc.exe

description ioc process

File opened for modification C:\Program Files (x86)\Ge0j8efe0\Cookiesb8ftc.exe mstsc.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Ge0j8efe0\Cookiesb8ftc.exe	mstsc.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

mstsc.exe

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

ORDER-#4536 ,pdf.exemstsc.exe

pid	process
2020	ORDER-#4536 ,pdf.exe
2020	ORDER-#4536 ,pdf.exe
1216	mstsc.exe
1216	mstsc.exe
1216	mstsc.exe
1216	mstsc.exe
1216	mstsc.exe
1216	mstsc.exe
1216	mstsc.exe
1216	mstsc.exe
1216	mstsc.exe
1216	mstsc.exe
1216	mstsc.exe
1216	mstsc.exe
1216	mstsc.exe
1216	mstsc.exe
1216	mstsc.exe
1216	mstsc.exe
1216	mstsc.exe
1216	mstsc.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

ORDER-#4536 ,pdf.exemstsc.exe

pid process

2020 ORDER-#4536 ,pdf.exe
2020 ORDER-#4536 ,pdf.exe
2020 ORDER-#4536 ,pdf.exe
1216 mstsc.exe
1216 mstsc.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

ORDER-#4536 ,pdf.exemstsc.exeExplorer.EXE

description pid process

Token: SeDebugPrivilege 2020 ORDER-#4536 ,pdf.exe
Token: SeDebugPrivilege 1216 mstsc.exe
Token: SeShutdownPrivilege 1284 Explorer.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1284 Explorer.EXE
1284 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1284 Explorer.EXE
1284 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2020	ORDER-#4536 ,pdf.exe
Token: SeDebugPrivilege	1216	mstsc.exe
Token: SeShutdownPrivilege	1284	Explorer.EXE

pid	process
1284	Explorer.EXE
1284	Explorer.EXE

pid	process
1284	Explorer.EXE
1284	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

ORDER-#4536 ,pdf.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 1008 wrote to memory of 2020	1008	ORDER-#4536 ,pdf.exe	ORDER-#4536 ,pdf.exe
PID 1008 wrote to memory of 2020	1008	ORDER-#4536 ,pdf.exe	ORDER-#4536 ,pdf.exe
PID 1008 wrote to memory of 2020	1008	ORDER-#4536 ,pdf.exe	ORDER-#4536 ,pdf.exe
PID 1008 wrote to memory of 2020	1008	ORDER-#4536 ,pdf.exe	ORDER-#4536 ,pdf.exe
PID 1008 wrote to memory of 2020	1008	ORDER-#4536 ,pdf.exe	ORDER-#4536 ,pdf.exe
PID 1008 wrote to memory of 2020	1008	ORDER-#4536 ,pdf.exe	ORDER-#4536 ,pdf.exe
PID 1008 wrote to memory of 2020	1008	ORDER-#4536 ,pdf.exe	ORDER-#4536 ,pdf.exe
PID 1284 wrote to memory of 1216	1284	Explorer.EXE	mstsc.exe
PID 1284 wrote to memory of 1216	1284	Explorer.EXE	mstsc.exe
PID 1284 wrote to memory of 1216	1284	Explorer.EXE	mstsc.exe
PID 1284 wrote to memory of 1216	1284	Explorer.EXE	mstsc.exe
PID 1216 wrote to memory of 2028	1216	mstsc.exe	cmd.exe
PID 1216 wrote to memory of 2028	1216	mstsc.exe	cmd.exe
PID 1216 wrote to memory of 2028	1216	mstsc.exe	cmd.exe
PID 1216 wrote to memory of 2028	1216	mstsc.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:1284

C:\Users\Admin\AppData\Local\Temp\ORDER-#4536 ,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\ORDER-#4536 ,pdf.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1008

C:\Users\Admin\AppData\Local\Temp\ORDER-#4536 ,pdf.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2020

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.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:1216

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\ORDER-#4536 ,pdf.exe"
3⤵
- Deletes itself
PID:2028

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\50N8002E\50Nlogim.jpeg
Filesize
73KB

MD5
6c46dc164f168c395b6e7b8660b83b5f

SHA1
3f802503862c5361a6ec9ca464f4031d2960793e

SHA256
df32650cf67ddd19afc808e06bdc3d71ed5cf6520d2c2af09cae3434b696d3af

SHA512
7f041cfbef0393532303d9e4a91cc19987d4e459195f8fdca518fc39f453b7ccd2ae318275c7c7cf8f3d78245aed5c328815dc8a43bddd096d1828f76b83c052

Download Submit
C:\Users\Admin\AppData\Roaming\50N8002E\50Nlogri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\50N8002E\50Nlogrv.ini
Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/1008-54-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

Filesize
8KB

Download
memory/1008-55-0x0000000073F90000-0x000000007453B000-memory.dmp

Filesize
5.7MB

Download
memory/1216-72-0x0000000000AE0000-0x0000000000B73000-memory.dmp

Filesize
588KB

Download
memory/1216-66-0x0000000000000000-mapping.dmp

Download
memory/1216-71-0x00000000021A0000-0x00000000024A3000-memory.dmp

Filesize
3.0MB

Download
memory/1216-70-0x0000000000080000-0x00000000000AA000-memory.dmp

Filesize
168KB

Download
memory/1216-69-0x0000000000C90000-0x0000000000D94000-memory.dmp

Filesize
1.0MB

Download
memory/1284-65-0x00000000049F0000-0x0000000004B4D000-memory.dmp

Filesize
1.4MB

Download
memory/1284-73-0x0000000006B20000-0x0000000006C4D000-memory.dmp

Filesize
1.2MB

Download
memory/2020-62-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2020-63-0x0000000000C10000-0x0000000000F13000-memory.dmp

Filesize
3.0MB

Download
memory/2020-64-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/2020-59-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2020-60-0x000000000041B680-mapping.dmp

Download
memory/2020-57-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2020-56-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2028-68-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads