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
behavioral2/memory/3812-124-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3812-125-0x000000000041F130-mapping.dmp	formbook
behavioral2/memory/3556-132-0x0000000001200000-0x000000000122F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

2.exe2.exeNETSTAT.EXE

description	pid	process	target process
PID 3760 set thread context of 3812	3760	2.exe	2.exe
PID 3812 set thread context of 3008	3812	2.exe	Explorer.EXE
PID 3556 set thread context of 3008	3556	NETSTAT.EXE	Explorer.EXE

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

NETSTAT.EXE

pid process

3556 NETSTAT.EXE

pid	process
3556	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 46 IoCs

Processes:

2.exeNETSTAT.EXE

pid	process
3812	2.exe
3812	2.exe
3812	2.exe
3812	2.exe
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE
3556	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3008 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

2.exeNETSTAT.EXE

pid process

3812 2.exe
3812 2.exe
3812 2.exe
3556 NETSTAT.EXE
3556 NETSTAT.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

2.exeNETSTAT.EXE

description pid process

Token: SeDebugPrivilege 3812 2.exe
Token: SeDebugPrivilege 3556 NETSTAT.EXE

pid	process
3008	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	3812	2.exe
Token: SeDebugPrivilege	3556	NETSTAT.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

2.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 3760 wrote to memory of 3812	3760	2.exe	2.exe
PID 3760 wrote to memory of 3812	3760	2.exe	2.exe
PID 3760 wrote to memory of 3812	3760	2.exe	2.exe
PID 3760 wrote to memory of 3812	3760	2.exe	2.exe
PID 3760 wrote to memory of 3812	3760	2.exe	2.exe
PID 3760 wrote to memory of 3812	3760	2.exe	2.exe
PID 3008 wrote to memory of 3556	3008	Explorer.EXE	NETSTAT.EXE
PID 3008 wrote to memory of 3556	3008	Explorer.EXE	NETSTAT.EXE
PID 3008 wrote to memory of 3556	3008	Explorer.EXE	NETSTAT.EXE
PID 3556 wrote to memory of 3308	3556	NETSTAT.EXE	cmd.exe
PID 3556 wrote to memory of 3308	3556	NETSTAT.EXE	cmd.exe
PID 3556 wrote to memory of 3308	3556	NETSTAT.EXE	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3008

C:\Users\Admin\AppData\Local\Temp\2.exe
"C:\Users\Admin\AppData\Local\Temp\2.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3760

C:\Users\Admin\AppData\Local\Temp\2.exe
"C:\Users\Admin\AppData\Local\Temp\2.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3812

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3556

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\2.exe"
3⤵
PID:3308

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3008-129-0x0000000005C20000-0x0000000005DA6000-memory.dmp

Filesize
1.5MB

Download
memory/3008-136-0x00000000032B0000-0x00000000033A3000-memory.dmp

Filesize
972KB

Download
memory/3308-134-0x0000000000000000-mapping.dmp

Download
memory/3556-135-0x00000000038A0000-0x0000000003933000-memory.dmp

Filesize
588KB

Download
memory/3556-133-0x0000000003AB0000-0x0000000003DD0000-memory.dmp

Filesize
3.1MB

Download
memory/3556-131-0x0000000001280000-0x000000000128B000-memory.dmp

Filesize
44KB

Download
memory/3556-132-0x0000000001200000-0x000000000122F000-memory.dmp

Filesize
188KB

Download
memory/3556-130-0x0000000000000000-mapping.dmp

Download
memory/3760-121-0x0000000006390000-0x0000000006397000-memory.dmp

Filesize
28KB

Download
memory/3760-123-0x0000000009360000-0x00000000093B0000-memory.dmp

Filesize
320KB

Download
memory/3760-122-0x00000000092C0000-0x00000000092C1000-memory.dmp

Filesize
4KB

Download
memory/3760-115-0x0000000000CE0000-0x0000000000CE1000-memory.dmp

Filesize
4KB

Download
memory/3760-120-0x0000000003270000-0x0000000003271000-memory.dmp

Filesize
4KB

Download
memory/3760-119-0x00000000055E0000-0x0000000005ADE000-memory.dmp

Filesize
5.0MB

Download
memory/3760-118-0x0000000005680000-0x0000000005681000-memory.dmp

Filesize
4KB

Download
memory/3760-117-0x0000000005AE0000-0x0000000005AE1000-memory.dmp

Filesize
4KB

Download
memory/3812-125-0x000000000041F130-mapping.dmp

Download
memory/3812-128-0x00000000012B0000-0x00000000012C4000-memory.dmp

Filesize
80KB

Download
memory/3812-127-0x00000000012D0000-0x00000000015F0000-memory.dmp

Filesize
3.1MB

Download
memory/3812-124-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads