formbook | e38ab4998d2ec00aef052328a9a289a9a96ab45fb52a49b81a223068b0f5899c

General

Target

o.exe
Size

188KB
MD5

5f625c29e0ab782363acad948b13374f
SHA1

af2cb912c0d8c6eb43ade7940dbb56815d9c79a6
SHA256

e38ab4998d2ec00aef052328a9a289a9a96ab45fb52a49b81a223068b0f5899c
SHA512

ec409199c648bf6feec2eda0b00b959384a72942f7a3451a9e5a2889e7250b9595a765a0d4fc4cd2a8a2d8e9884d3bc4610cdc2d9cf538a945371f5a07cdabe5

Score

10^/10

formbook je16 rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

je16

Decoy

antonavt.com

sdfvlog.xyz

xn--arbetslivsaktren-ywb.com

propelcolor.com

uniqueclsssiccars.com

colorbells.com

synjive.com

cloudymellows.com

walltage.com

qterps.com

kezorup.online

soakedindelight.online

thefirstgroupscam.biz

miclanka.com

mwm-security.com

trinksaifenradiodocumentary.com

spineklinik.com

javacodecafe.com

groovyrelease-toknowtoday.info

ventadesillasymesas.com

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 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3524-119-0x0000000000BA0000-0x0000000000BCF000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

Processes:

o.execmmon32.exe

description	pid	process	target process
PID 2732 set thread context of 3032	2732	o.exe	Explorer.EXE
PID 3524 set thread context of 3032	3524	cmmon32.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 58 IoCs

Processes:

o.execmmon32.exe

pid	process
2732	o.exe
2732	o.exe
2732	o.exe
2732	o.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe
3524	cmmon32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3032 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

o.execmmon32.exe

pid process

2732 o.exe
2732 o.exe
2732 o.exe
3524 cmmon32.exe
3524 cmmon32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

o.execmmon32.exe

description pid process

Token: SeDebugPrivilege 2732 o.exe
Token: SeDebugPrivilege 3524 cmmon32.exe

pid	process
3032	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2732	o.exe
Token: SeDebugPrivilege	3524	cmmon32.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Explorer.EXEcmmon32.exe

description	pid	process	target process
PID 3032 wrote to memory of 3524	3032	Explorer.EXE	cmmon32.exe
PID 3032 wrote to memory of 3524	3032	Explorer.EXE	cmmon32.exe
PID 3032 wrote to memory of 3524	3032	Explorer.EXE	cmmon32.exe
PID 3524 wrote to memory of 3888	3524	cmmon32.exe	cmd.exe
PID 3524 wrote to memory of 3888	3524	cmmon32.exe	cmd.exe
PID 3524 wrote to memory of 3888	3524	cmmon32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3032

C:\Users\Admin\AppData\Local\Temp\o.exe
"C:\Users\Admin\AppData\Local\Temp\o.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2732

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3524

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\o.exe"
3⤵
PID:3888

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2732-115-0x0000000001070000-0x00000000011BA000-memory.dmp

Filesize
1.3MB

Download
memory/2732-116-0x00000000015E0000-0x00000000015F4000-memory.dmp

Filesize
80KB

Download
memory/3032-117-0x00000000064A0000-0x00000000065E5000-memory.dmp

Filesize
1.3MB

Download
memory/3032-122-0x00000000065F0000-0x000000000670C000-memory.dmp

Filesize
1.1MB

Download
memory/3524-119-0x0000000000BA0000-0x0000000000BCF000-memory.dmp

Filesize
188KB

Download
memory/3524-118-0x0000000001300000-0x000000000130C000-memory.dmp

Filesize
48KB

Download
memory/3524-120-0x0000000004D10000-0x0000000005030000-memory.dmp

Filesize
3.1MB

Download
memory/3524-121-0x00000000049E0000-0x0000000004B77000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads