formbook | 7384abd36e0c316a0a343a943245ef61e6ecbcf6fe2aab10a8a0f2b72de7198d

General

Target

2.exe
Size

510KB
MD5

831a54a05443e82a26a005ec26234144
SHA1

62c5e762a4daf6b70b0d56d8073f5fde4c178e8d
SHA256

7384abd36e0c316a0a343a943245ef61e6ecbcf6fe2aab10a8a0f2b72de7198d
SHA512

7208dd92027dc273a9d3249e0af4071a0980d233465be19d1546c613845292abe0a5c9119318e5b89c506b0614c8485dd779847db0db5d90b220f7febf4a9793

Score

10^/10

formbook m4bs rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m4bs

C2

http://www.bridgedai.com/m4bs/

Decoy

roofingmeetssolar.com

trefacs.info

jgmoamain.com

healthbenefitmanager.com

fasten-mit-diana.com

sijialutan.com

ouchsafety.net

mmcbrasil.com

rombachholdings.com

dksolutionsga.com

katherinewaltersconsulting.com

jfuejea.com

maintainarea.net

epilationnice.com

nightanddate.com

augustuslegacy.com

cricketaddicyor.com

norenasefamuf.rest

charlottesvilletowing.com

mortgagecreek.com

Signatures

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

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/864-63-0x000000000041F130-mapping.dmp	formbook
behavioral1/memory/864-62-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1808-70-0x0000000000100000-0x000000000012F000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1472 cmd.exe

pid	process
1472	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

2.exe2.exesystray.exe

description	pid	process	target process
PID 1076 set thread context of 864	1076	2.exe	2.exe
PID 864 set thread context of 1384	864	2.exe	Explorer.EXE
PID 1808 set thread context of 1384	1808	systray.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

2.exesystray.exe

pid	process
864	2.exe
864	2.exe
1808	systray.exe
1808	systray.exe
1808	systray.exe
1808	systray.exe
1808	systray.exe
1808	systray.exe
1808	systray.exe
1808	systray.exe
1808	systray.exe
1808	systray.exe
1808	systray.exe
1808	systray.exe
1808	systray.exe
1808	systray.exe
1808	systray.exe
1808	systray.exe
1808	systray.exe
1808	systray.exe
1808	systray.exe
1808	systray.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

2.exesystray.exe

pid process

864 2.exe
864 2.exe
864 2.exe
1808 systray.exe
1808 systray.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

2.exesystray.exe

description pid process

Token: SeDebugPrivilege 864 2.exe
Token: SeDebugPrivilege 1808 systray.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1384 Explorer.EXE
1384 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1384 Explorer.EXE
1384 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	864	2.exe
Token: SeDebugPrivilege	1808	systray.exe

pid	process
1384	Explorer.EXE
1384	Explorer.EXE

pid	process
1384	Explorer.EXE
1384	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

2.exeExplorer.EXEsystray.exe

description	pid	process	target process
PID 1076 wrote to memory of 864	1076	2.exe	2.exe
PID 1076 wrote to memory of 864	1076	2.exe	2.exe
PID 1076 wrote to memory of 864	1076	2.exe	2.exe
PID 1076 wrote to memory of 864	1076	2.exe	2.exe
PID 1076 wrote to memory of 864	1076	2.exe	2.exe
PID 1076 wrote to memory of 864	1076	2.exe	2.exe
PID 1076 wrote to memory of 864	1076	2.exe	2.exe
PID 1384 wrote to memory of 1808	1384	Explorer.EXE	systray.exe
PID 1384 wrote to memory of 1808	1384	Explorer.EXE	systray.exe
PID 1384 wrote to memory of 1808	1384	Explorer.EXE	systray.exe
PID 1384 wrote to memory of 1808	1384	Explorer.EXE	systray.exe
PID 1808 wrote to memory of 1472	1808	systray.exe	cmd.exe
PID 1808 wrote to memory of 1472	1808	systray.exe	cmd.exe
PID 1808 wrote to memory of 1472	1808	systray.exe	cmd.exe
PID 1808 wrote to memory of 1472	1808	systray.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\2.exe
"C:\Users\Admin\AppData\Local\Temp\2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1076

C:\Users\Admin\AppData\Local\Temp\2.exe
"C:\Users\Admin\AppData\Local\Temp\2.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:864

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1384

C:\Windows\SysWOW64\systray.exe
"C:\Windows\SysWOW64\systray.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1808

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\2.exe"
3⤵
- Deletes itself
PID:1472

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/864-66-0x0000000000160000-0x0000000000174000-memory.dmp

Filesize
80KB

Download
memory/864-63-0x000000000041F130-mapping.dmp

Download
memory/864-65-0x0000000000860000-0x0000000000B63000-memory.dmp

Filesize
3.0MB

Download
memory/864-62-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/864-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/864-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1076-58-0x00000000009E0000-0x00000000009E7000-memory.dmp

Filesize
28KB

Download
memory/1076-57-0x00000000049D0000-0x00000000049D1000-memory.dmp

Filesize
4KB

Download
memory/1076-59-0x0000000004A10000-0x0000000004A60000-memory.dmp

Filesize
320KB

Download
memory/1076-55-0x0000000000F70000-0x0000000000F71000-memory.dmp

Filesize
4KB

Download
memory/1384-67-0x0000000006CA0000-0x0000000006E12000-memory.dmp

Filesize
1.4MB

Download
memory/1384-74-0x0000000003D20000-0x0000000003E02000-memory.dmp

Filesize
904KB

Download
memory/1472-71-0x0000000000000000-mapping.dmp

Download
memory/1808-68-0x0000000000000000-mapping.dmp

Download
memory/1808-69-0x0000000000BC0000-0x0000000000BC5000-memory.dmp

Filesize
20KB

Download
memory/1808-70-0x0000000000100000-0x000000000012F000-memory.dmp

Filesize
188KB

Download
memory/1808-72-0x0000000001FD0000-0x00000000022D3000-memory.dmp

Filesize
3.0MB

Download
memory/1808-73-0x00000000008C0000-0x0000000000953000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads