formbook | ad86b6dd3faef43b4ef56786e35a7d2b38a369e6082c72c3cac0267a5b8efc5a

General

Target

PI ZB_2021_P070 R3.exe
Size

229KB
MD5

8c34da075c440fe80be7af580725b0e8
SHA1

5b7903ed7fcfef0189621390336efe359a39e908
SHA256

ad86b6dd3faef43b4ef56786e35a7d2b38a369e6082c72c3cac0267a5b8efc5a
SHA512

7d7504d10dba181aaab5d1fc7384719a05e16ed54c669b00a9c24ddb2e19e9b622e7bcc475dd2b6891d86d2e3e5a90fa70794075c7b65845a85946bff3773b57

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.knighttechinca.com/dxe/

Decoy

sardarfarm.com

959tremont.com

privat-livecam.net

ansel-homebakery.com

joysupermarket.com

peninsulamatchmakers.net

northsytyle.com

radioconexaoubermusic.com

relocatingrealtor.com

desyrnan.com

onlinehoortoestel.online

enpointe.online

rvvikings.com

paulpoirier.com

shitarpa.net

kerneis.net

rokitreach.com

essentiallygaia.com

prestiged.net

fuerzaagavera.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2440-117-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/2380-126-0x0000000000BA0000-0x0000000000BCE000-memory.dmp	formbook

Loads dropped DLL 1 IoCs

Processes:

PI ZB_2021_P070 R3.exe

pid process

2256 PI ZB_2021_P070 R3.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

PI ZB_2021_P070 R3.exePI ZB_2021_P070 R3.exewscript.exe

description	pid	process	target process
PID 2256 set thread context of 2440	2256	PI ZB_2021_P070 R3.exe	PI ZB_2021_P070 R3.exe
PID 2440 set thread context of 3040	2440	PI ZB_2021_P070 R3.exe	Explorer.EXE
PID 2440 set thread context of 3040	2440	PI ZB_2021_P070 R3.exe	Explorer.EXE
PID 2380 set thread context of 3040	2380	wscript.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

PI ZB_2021_P070 R3.exewscript.exe

pid	process
2440	PI ZB_2021_P070 R3.exe
2440	PI ZB_2021_P070 R3.exe
2440	PI ZB_2021_P070 R3.exe
2440	PI ZB_2021_P070 R3.exe
2440	PI ZB_2021_P070 R3.exe
2440	PI ZB_2021_P070 R3.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe
2380	wscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3040 Explorer.EXE

pid	process
3040	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

PI ZB_2021_P070 R3.exePI ZB_2021_P070 R3.exewscript.exe

pid	process
2256	PI ZB_2021_P070 R3.exe
2440	PI ZB_2021_P070 R3.exe
2440	PI ZB_2021_P070 R3.exe
2440	PI ZB_2021_P070 R3.exe
2440	PI ZB_2021_P070 R3.exe
2380	wscript.exe
2380	wscript.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PI ZB_2021_P070 R3.exewscript.exe

description pid process

Token: SeDebugPrivilege 2440 PI ZB_2021_P070 R3.exe
Token: SeDebugPrivilege 2380 wscript.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3040 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2440	PI ZB_2021_P070 R3.exe
Token: SeDebugPrivilege	2380	wscript.exe

pid	process
3040	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

PI ZB_2021_P070 R3.exeExplorer.EXEwscript.exe

description	pid	process	target process
PID 2256 wrote to memory of 2440	2256	PI ZB_2021_P070 R3.exe	PI ZB_2021_P070 R3.exe
PID 2256 wrote to memory of 2440	2256	PI ZB_2021_P070 R3.exe	PI ZB_2021_P070 R3.exe
PID 2256 wrote to memory of 2440	2256	PI ZB_2021_P070 R3.exe	PI ZB_2021_P070 R3.exe
PID 2256 wrote to memory of 2440	2256	PI ZB_2021_P070 R3.exe	PI ZB_2021_P070 R3.exe
PID 3040 wrote to memory of 2380	3040	Explorer.EXE	wscript.exe
PID 3040 wrote to memory of 2380	3040	Explorer.EXE	wscript.exe
PID 3040 wrote to memory of 2380	3040	Explorer.EXE	wscript.exe
PID 2380 wrote to memory of 2676	2380	wscript.exe	cmd.exe
PID 2380 wrote to memory of 2676	2380	wscript.exe	cmd.exe
PID 2380 wrote to memory of 2676	2380	wscript.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3040

C:\Users\Admin\AppData\Local\Temp\PI ZB_2021_P070 R3.exe
"C:\Users\Admin\AppData\Local\Temp\PI ZB_2021_P070 R3.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2256

C:\Users\Admin\AppData\Local\Temp\PI ZB_2021_P070 R3.exe
"C:\Users\Admin\AppData\Local\Temp\PI ZB_2021_P070 R3.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2440

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2380

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\PI ZB_2021_P070 R3.exe"
3⤵
PID:2676

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsr261D.tmp\c9henai.dll
MD5
6582e8fabdbec6c7696f94ff33dc6b6d

SHA1
d6986e668b28edc49066013f1de9e1382d1a907d

SHA256
25c43d3110644eb9a1712174ddf4f4851fcb7b1db8faa828baecaf3a2c75cd08

SHA512
48a91f22e829a5f14db76426147f82324c8345137ddf02ba8564dccb29069ca7b928affcaa39f49d3653fd7437d1b3b34a302eb548de602ca633992797493210

Download Submit
memory/2256-115-0x0000000000970000-0x0000000000993000-memory.dmp

Filesize
140KB

Download
memory/2380-123-0x0000000000000000-mapping.dmp

Download
memory/2380-128-0x0000000004B00000-0x0000000004B93000-memory.dmp

Filesize
588KB

Download
memory/2380-127-0x0000000004CA0000-0x0000000004FC0000-memory.dmp

Filesize
3.1MB

Download
memory/2380-126-0x0000000000BA0000-0x0000000000BCE000-memory.dmp

Filesize
184KB

Download
memory/2380-125-0x0000000001100000-0x0000000001127000-memory.dmp

Filesize
156KB

Download
memory/2440-118-0x0000000000A10000-0x0000000000D30000-memory.dmp

Filesize
3.1MB

Download
memory/2440-121-0x00000000009F0000-0x0000000000A04000-memory.dmp

Filesize
80KB

Download
memory/2440-119-0x00000000009B0000-0x00000000009C4000-memory.dmp

Filesize
80KB

Download
memory/2440-117-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2440-116-0x000000000041EAF0-mapping.dmp

Download
memory/2676-124-0x0000000000000000-mapping.dmp

Download
memory/3040-122-0x0000000005890000-0x000000000594E000-memory.dmp

Filesize
760KB

Download
memory/3040-120-0x00000000057D0000-0x0000000005882000-memory.dmp

Filesize
712KB

Download
memory/3040-129-0x0000000005950000-0x0000000005A46000-memory.dmp

Filesize
984KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads