formbook | bf3f26dfdfa937db7f856c20013d77ff05c76cb6f359b703d3f25e840686a9a4

General

Target

Qfrmegh.exe
Size

168KB
MD5

dfb8e69404268f25876c462adc10479a
SHA1

a5c7ab73c4bf71c64c0bb1f3345516ca14d5d13e
SHA256

bf3f26dfdfa937db7f856c20013d77ff05c76cb6f359b703d3f25e840686a9a4
SHA512

2f9381e0d336e97c767aff166928c5ee6d6a26940c7131ed5753aa0702d377d0d8abfceaa80271498120cefd609c10026ec2bd5bf87dc1fdab2e9bbaacf9e527

Score

10^/10

formbook ba17 rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ba17

Decoy

bearwant.com

sdsguanfang.com

steamcommunityvia.top

sugarplumtreasures.com

koronislakefishing.com

jmae.xyz

xhxnqemkiqe.xyz

playzcrew.com

zatwsbq.com

lankofix.com

sh-zhepeng.com

mibodamisxv.online

butterflyjewelry.store

finestrecitalto-spottoday.info

globomateria.com

royalmdarts.com

d4af10836709.com

shepwill.com

67aldrich.info

trustedmakers.club

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/3512-142-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3512-148-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/240-152-0x0000000000720000-0x000000000074F000-memory.dmp	formbook
behavioral2/memory/240-154-0x0000000000720000-0x000000000074F000-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:

Qfrmegh.exe

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

Suspicious use of SetThreadContext 3 IoCs

Processes:

Qfrmegh.exeMSBuild.exewlanext.exe

description	pid	process	target process
PID 728 set thread context of 3512	728	Qfrmegh.exe	MSBuild.exe
PID 3512 set thread context of 2240	3512	MSBuild.exe	Explorer.EXE
PID 240 set thread context of 2240	240	wlanext.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 54 IoCs

Processes:

powershell.exeQfrmegh.exeMSBuild.exewlanext.exe

pid	process
1892	powershell.exe
1892	powershell.exe
728	Qfrmegh.exe
728	Qfrmegh.exe
3512	MSBuild.exe
3512	MSBuild.exe
3512	MSBuild.exe
3512	MSBuild.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe
240	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2240 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

MSBuild.exewlanext.exe

pid process

3512 MSBuild.exe
3512 MSBuild.exe
3512 MSBuild.exe
240 wlanext.exe
240 wlanext.exe

pid	process
2240	Explorer.EXE

pid	process
3512	MSBuild.exe
3512	MSBuild.exe
3512	MSBuild.exe
240	wlanext.exe
240	wlanext.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Qfrmegh.exepowershell.exeMSBuild.exewlanext.exe

description	pid	process
Token: SeDebugPrivilege	728	Qfrmegh.exe
Token: SeDebugPrivilege	1892	powershell.exe
Token: SeDebugPrivilege	3512	MSBuild.exe
Token: SeDebugPrivilege	240	wlanext.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Qfrmegh.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 728 wrote to memory of 1892	728	Qfrmegh.exe	powershell.exe
PID 728 wrote to memory of 1892	728	Qfrmegh.exe	powershell.exe
PID 728 wrote to memory of 1892	728	Qfrmegh.exe	powershell.exe
PID 728 wrote to memory of 3512	728	Qfrmegh.exe	MSBuild.exe
PID 728 wrote to memory of 3512	728	Qfrmegh.exe	MSBuild.exe
PID 728 wrote to memory of 3512	728	Qfrmegh.exe	MSBuild.exe
PID 728 wrote to memory of 3512	728	Qfrmegh.exe	MSBuild.exe
PID 728 wrote to memory of 3512	728	Qfrmegh.exe	MSBuild.exe
PID 728 wrote to memory of 3512	728	Qfrmegh.exe	MSBuild.exe
PID 2240 wrote to memory of 240	2240	Explorer.EXE	wlanext.exe
PID 2240 wrote to memory of 240	2240	Explorer.EXE	wlanext.exe
PID 2240 wrote to memory of 240	2240	Explorer.EXE	wlanext.exe
PID 240 wrote to memory of 2520	240	wlanext.exe	cmd.exe
PID 240 wrote to memory of 2520	240	wlanext.exe	cmd.exe
PID 240 wrote to memory of 2520	240	wlanext.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\Qfrmegh.exe
"C:\Users\Admin\AppData\Local\Temp\Qfrmegh.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:728

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1892

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3512

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:240

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
3⤵
PID:2520

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/240-150-0x0000000000610000-0x0000000000627000-memory.dmp

Filesize
92KB

Download
memory/240-152-0x0000000000720000-0x000000000074F000-memory.dmp

Filesize
188KB

Download
memory/240-147-0x0000000000000000-mapping.dmp

Download
memory/240-151-0x0000000000FD0000-0x000000000131A000-memory.dmp

Filesize
3.3MB

Download
memory/240-153-0x0000000000E70000-0x0000000000F04000-memory.dmp

Filesize
592KB

Download
memory/240-154-0x0000000000720000-0x000000000074F000-memory.dmp

Filesize
188KB

Download
memory/728-140-0x0000000005E30000-0x0000000005EC2000-memory.dmp

Filesize
584KB

Download
memory/728-130-0x0000000000740000-0x0000000000770000-memory.dmp

Filesize
192KB

Download
memory/1892-135-0x0000000006090000-0x00000000060F6000-memory.dmp

Filesize
408KB

Download
memory/1892-139-0x0000000006C40000-0x0000000006C5A000-memory.dmp

Filesize
104KB

Download
memory/1892-138-0x0000000007F90000-0x000000000860A000-memory.dmp

Filesize
6.5MB

Download
memory/1892-137-0x0000000006740000-0x000000000675E000-memory.dmp

Filesize
120KB

Download
memory/1892-136-0x0000000006100000-0x0000000006166000-memory.dmp

Filesize
408KB

Download
memory/1892-134-0x0000000005780000-0x00000000057A2000-memory.dmp

Filesize
136KB

Download
memory/1892-133-0x0000000005960000-0x0000000005F88000-memory.dmp

Filesize
6.2MB

Download
memory/1892-132-0x0000000003190000-0x00000000031C6000-memory.dmp

Filesize
216KB

Download
memory/1892-131-0x0000000000000000-mapping.dmp

Download
memory/2240-156-0x00000000087F0000-0x000000000891A000-memory.dmp

Filesize
1.2MB

Download
memory/2240-155-0x00000000087F0000-0x000000000891A000-memory.dmp

Filesize
1.2MB

Download
memory/2240-146-0x00000000081E0000-0x0000000008355000-memory.dmp

Filesize
1.5MB

Download
memory/2520-149-0x0000000000000000-mapping.dmp

Download
memory/3512-148-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3512-145-0x0000000001980000-0x0000000001995000-memory.dmp

Filesize
84KB

Download
memory/3512-144-0x00000000019D0000-0x0000000001D1A000-memory.dmp

Filesize
3.3MB

Download
memory/3512-142-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3512-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads