formbook | 0ae244dbfc247ee7c25cd07a9e339e542c20960f6568e02e8cf581acda0cdd5f

General

Target

order.exe
Size

121KB
MD5

ba0a02061fb326c69a925c6ed28a363a
SHA1

e7e668017328b7ceb7bb1f81a5ea048f990d971f
SHA256

aeb2dd004a580971a25e3408e2fc4cc08535bd2a84b0300d763dddace11c6400
SHA512

1000bb2afe9b15632002f64e9c5eab0f2ce66a868df1303d6a4a9fc5bedbd60b13f94faece4fc3faf23fc9e241c893ba1b3c3ebe7f8738bf472e37debe1c7a65

Score

10^/10

formbook fs44 rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

fs44

Decoy

whneat.com

jljcw.net

pocodelivery.com

outofplacezine.com

yavuzcansigorta.com

xinhewood-cn.com

cartogogh.com

5avis.com

joyceyong.art

digitalsurf.community

blackcreekbarns.com

magazinedistribuidor.com

sportsgross.com

drevom.online

mayibeofservice.com

gareloi-digit.com

permitha.net

renaissanceestetica.com

facts-r-friends.com

dach-loc.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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/5056-142-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/5056-144-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/776-151-0x0000000000D40000-0x0000000000D6F000-memory.dmp	formbook
behavioral2/memory/776-153-0x0000000000D40000-0x0000000000D6F000-memory.dmp	formbook

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

order.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation order.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	order.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

order.exeInstallUtil.exeWWAHost.exe

description	pid	process	target process
PID 3872 set thread context of 5056	3872	order.exe	InstallUtil.exe
PID 5056 set thread context of 2240	5056	InstallUtil.exe	Explorer.EXE
PID 776 set thread context of 2240	776	WWAHost.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 50 IoCs

Processes:

powershell.exeorder.exeInstallUtil.exeWWAHost.exe

pid	process
2796	powershell.exe
2796	powershell.exe
3872	order.exe
3872	order.exe
5056	InstallUtil.exe
5056	InstallUtil.exe
5056	InstallUtil.exe
5056	InstallUtil.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe
776	WWAHost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2240 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

InstallUtil.exeWWAHost.exe

pid process

5056 InstallUtil.exe
5056 InstallUtil.exe
5056 InstallUtil.exe
776 WWAHost.exe
776 WWAHost.exe

pid	process
2240	Explorer.EXE

pid	process
5056	InstallUtil.exe
5056	InstallUtil.exe
5056	InstallUtil.exe
776	WWAHost.exe
776	WWAHost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

order.exepowershell.exeInstallUtil.exeWWAHost.exe

description	pid	process
Token: SeDebugPrivilege	3872	order.exe
Token: SeDebugPrivilege	2796	powershell.exe
Token: SeDebugPrivilege	5056	InstallUtil.exe
Token: SeDebugPrivilege	776	WWAHost.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

order.exeExplorer.EXEWWAHost.exe

description	pid	process	target process
PID 3872 wrote to memory of 2796	3872	order.exe	powershell.exe
PID 3872 wrote to memory of 2796	3872	order.exe	powershell.exe
PID 3872 wrote to memory of 2796	3872	order.exe	powershell.exe
PID 3872 wrote to memory of 5056	3872	order.exe	InstallUtil.exe
PID 3872 wrote to memory of 5056	3872	order.exe	InstallUtil.exe
PID 3872 wrote to memory of 5056	3872	order.exe	InstallUtil.exe
PID 3872 wrote to memory of 5056	3872	order.exe	InstallUtil.exe
PID 3872 wrote to memory of 5056	3872	order.exe	InstallUtil.exe
PID 3872 wrote to memory of 5056	3872	order.exe	InstallUtil.exe
PID 2240 wrote to memory of 776	2240	Explorer.EXE	WWAHost.exe
PID 2240 wrote to memory of 776	2240	Explorer.EXE	WWAHost.exe
PID 2240 wrote to memory of 776	2240	Explorer.EXE	WWAHost.exe
PID 776 wrote to memory of 2088	776	WWAHost.exe	cmd.exe
PID 776 wrote to memory of 2088	776	WWAHost.exe	cmd.exe
PID 776 wrote to memory of 2088	776	WWAHost.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2240

C:\Users\Admin\AppData\Local\Temp\order.exe
"C:\Users\Admin\AppData\Local\Temp\order.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3872

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwAwAA==
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2796

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:5056

C:\Windows\SysWOW64\WWAHost.exe
"C:\Windows\SysWOW64\WWAHost.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:776

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
3⤵
PID:2088

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/776-154-0x0000000001A30000-0x0000000001AC3000-memory.dmp

Filesize
588KB

Download
memory/776-153-0x0000000000D40000-0x0000000000D6F000-memory.dmp

Filesize
188KB

Download
memory/776-152-0x0000000001BF0000-0x0000000001F3A000-memory.dmp

Filesize
3.3MB

Download
memory/776-151-0x0000000000D40000-0x0000000000D6F000-memory.dmp

Filesize
188KB

Download
memory/776-149-0x00000000005F0000-0x00000000006CC000-memory.dmp

Filesize
880KB

Download
memory/776-148-0x0000000000000000-mapping.dmp

Download
memory/2088-150-0x0000000000000000-mapping.dmp

Download
memory/2240-147-0x00000000081E0000-0x0000000008362000-memory.dmp

Filesize
1.5MB

Download
memory/2240-156-0x0000000008870000-0x00000000089DB000-memory.dmp

Filesize
1.4MB

Download
memory/2240-155-0x0000000008870000-0x00000000089DB000-memory.dmp

Filesize
1.4MB

Download
memory/2796-136-0x0000000005AD0000-0x0000000005B36000-memory.dmp

Filesize
408KB

Download
memory/2796-138-0x0000000007E50000-0x00000000084CA000-memory.dmp

Filesize
6.5MB

Download
memory/2796-132-0x0000000000000000-mapping.dmp

Download
memory/2796-133-0x0000000003200000-0x0000000003236000-memory.dmp

Filesize
216KB

Download
memory/2796-134-0x0000000005C00000-0x0000000006228000-memory.dmp

Filesize
6.2MB

Download
memory/2796-135-0x0000000005A30000-0x0000000005A52000-memory.dmp

Filesize
136KB

Download
memory/2796-137-0x0000000006810000-0x000000000682E000-memory.dmp

Filesize
120KB

Download
memory/2796-139-0x0000000006D00000-0x0000000006D1A000-memory.dmp

Filesize
104KB

Download
memory/3872-130-0x0000000000340000-0x0000000000364000-memory.dmp

Filesize
144KB

Download
memory/3872-140-0x0000000005BF0000-0x0000000005C82000-memory.dmp

Filesize
584KB

Download
memory/3872-131-0x0000000005980000-0x00000000059E6000-memory.dmp

Filesize
408KB

Download
memory/5056-141-0x0000000000000000-mapping.dmp

Download
memory/5056-146-0x00000000015D0000-0x00000000015E4000-memory.dmp

Filesize
80KB

Download
memory/5056-145-0x00000000015F0000-0x000000000193A000-memory.dmp

Filesize
3.3MB

Download
memory/5056-144-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5056-142-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads