formbook | 5fabffc9eb6177ac29a1e51bf2a8bde55ddd97e2f7c86134eb2512b927f1232e

General

Target

Gkjesdjokhownhmnzenqhirureonvyzjao.exe
Size

715KB
MD5

e339968bd4859d65b757ef83159b0488
SHA1

136c9c38a58ccbc9c6bebb48bba6100fc6eff206
SHA256

5fabffc9eb6177ac29a1e51bf2a8bde55ddd97e2f7c86134eb2512b927f1232e
SHA512

d134f5c7a6fbb61f0c4645e539b318e8dfe7eb83cfe9bfd198e5ea4161e3ab0aa5dd4148a6ba8454363080c483ca9225b3fa708181de7f86617fc24427280536

Score

10^/10

formbook modiloader o2e7 persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

o2e7

Decoy

genvivwink.com

paramotos.space

bolsanoir.com

techblog.asia

seophreak.com

agitationt.net

jenniferlearmontcelebrant.com

biggsales.space

barkerprintsolutions.com

jesuspatriot.com

clinicaamadeolosmochis.com

lowbackpaindecoded.com

mumbaimasjid.com

masooliflourmillers.com

incopetent.com

andresramosweb.com

betonamubukkyoshinjakai.com

pukimail.net

erohlimitcrown.site

bodogegarden.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4388-147-0x0000000050410000-0x000000005043F000-memory.dmp	formbook
behavioral2/memory/2944-191-0x0000000050410000-0x000000005043F000-memory.dmp	formbook
behavioral2/memory/4580-195-0x0000000000DA0000-0x0000000000DCF000-memory.dmp	formbook
behavioral2/memory/4580-198-0x0000000000DA0000-0x0000000000DCF000-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:

Gkjesdjokhownhmnzenqhirureonvyzjao.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Control Panel\International\Geo\Nation	Gkjesdjokhownhmnzenqhirureonvyzjao.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Gkjesdjokhownhmnzenqhirureonvyzjao.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Gkjesdjok = "C:\\Users\\Public\\Libraries\\kojdsejkG.url"	Gkjesdjokhownhmnzenqhirureonvyzjao.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

cmd.exeWWAHost.exe

description	pid	process	target process
PID 2944 set thread context of 2232	2944	cmd.exe	Explorer.EXE
PID 4580 set thread context of 2232	4580	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 44 IoCs

Processes:

Gkjesdjokhownhmnzenqhirureonvyzjao.execmd.exeWWAHost.exe

pid	process
4388	Gkjesdjokhownhmnzenqhirureonvyzjao.exe
4388	Gkjesdjokhownhmnzenqhirureonvyzjao.exe
2944	cmd.exe
2944	cmd.exe
2944	cmd.exe
2944	cmd.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe
4580	WWAHost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2232 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

cmd.exeWWAHost.exe

pid process

2944 cmd.exe
2944 cmd.exe
2944 cmd.exe
4580 WWAHost.exe
4580 WWAHost.exe

pid	process
2232	Explorer.EXE

pid	process
2944	cmd.exe
2944	cmd.exe
2944	cmd.exe
4580	WWAHost.exe
4580	WWAHost.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

cmd.exeExplorer.EXEWWAHost.exe

description	pid	process
Token: SeDebugPrivilege	2944	cmd.exe
Token: SeShutdownPrivilege	2232	Explorer.EXE
Token: SeCreatePagefilePrivilege	2232	Explorer.EXE
Token: SeShutdownPrivilege	2232	Explorer.EXE
Token: SeCreatePagefilePrivilege	2232	Explorer.EXE
Token: SeDebugPrivilege	4580	WWAHost.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Gkjesdjokhownhmnzenqhirureonvyzjao.exeExplorer.EXEWWAHost.exe

description	pid	process	target process
PID 4388 wrote to memory of 2944	4388	Gkjesdjokhownhmnzenqhirureonvyzjao.exe	cmd.exe
PID 4388 wrote to memory of 2944	4388	Gkjesdjokhownhmnzenqhirureonvyzjao.exe	cmd.exe
PID 4388 wrote to memory of 2944	4388	Gkjesdjokhownhmnzenqhirureonvyzjao.exe	cmd.exe
PID 4388 wrote to memory of 2944	4388	Gkjesdjokhownhmnzenqhirureonvyzjao.exe	cmd.exe
PID 4388 wrote to memory of 2944	4388	Gkjesdjokhownhmnzenqhirureonvyzjao.exe	cmd.exe
PID 4388 wrote to memory of 2944	4388	Gkjesdjokhownhmnzenqhirureonvyzjao.exe	cmd.exe
PID 2232 wrote to memory of 4580	2232	Explorer.EXE	WWAHost.exe
PID 2232 wrote to memory of 4580	2232	Explorer.EXE	WWAHost.exe
PID 2232 wrote to memory of 4580	2232	Explorer.EXE	WWAHost.exe
PID 4580 wrote to memory of 4760	4580	WWAHost.exe	cmd.exe
PID 4580 wrote to memory of 4760	4580	WWAHost.exe	cmd.exe
PID 4580 wrote to memory of 4760	4580	WWAHost.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2232

C:\Users\Admin\AppData\Local\Temp\Gkjesdjokhownhmnzenqhirureonvyzjao.exe
"C:\Users\Admin\AppData\Local\Temp\Gkjesdjokhownhmnzenqhirureonvyzjao.exe"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4388

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2944

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:4580

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\cmd.exe"
3⤵
PID:4760

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2232-189-0x0000000002E50000-0x0000000002F37000-memory.dmp

Filesize
924KB

Download
memory/2232-199-0x0000000002F40000-0x0000000002FFE000-memory.dmp

Filesize
760KB

Download
memory/2232-197-0x0000000002F40000-0x0000000002FFE000-memory.dmp

Filesize
760KB

Download
memory/2944-191-0x0000000050410000-0x000000005043F000-memory.dmp

Filesize
188KB

Download
memory/2944-188-0x0000000000A30000-0x0000000000A44000-memory.dmp

Filesize
80KB

Download
memory/2944-145-0x0000000000000000-mapping.dmp

Download
memory/2944-187-0x0000000000FF0000-0x000000000133A000-memory.dmp

Filesize
3.3MB

Download
memory/4388-147-0x0000000050410000-0x000000005043F000-memory.dmp

Filesize
188KB

Download
memory/4580-190-0x0000000000000000-mapping.dmp

Download
memory/4580-193-0x00000000007E0000-0x00000000008BC000-memory.dmp

Filesize
880KB

Download
memory/4580-194-0x0000000001DE0000-0x000000000212A000-memory.dmp

Filesize
3.3MB

Download
memory/4580-195-0x0000000000DA0000-0x0000000000DCF000-memory.dmp

Filesize
188KB

Download
memory/4580-196-0x0000000001B20000-0x0000000001BB3000-memory.dmp

Filesize
588KB

Download
memory/4580-198-0x0000000000DA0000-0x0000000000DCF000-memory.dmp

Filesize
188KB

Download
memory/4760-192-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads