formbook | fa757fd3c276a1110eb4d96c8176670442bbc49dffc354ff360f342166fb8a06

General

Target

fa757fd3c276a1110eb4d96c8176670442bbc49dffc354ff360f342166fb8a06.exe
Size

513KB
MD5

e78c6d36d0d96afb4ec79b2d75d72461
SHA1

d9b0188f57e978f0cac81ca7a365a66a85c5144c
SHA256

fa757fd3c276a1110eb4d96c8176670442bbc49dffc354ff360f342166fb8a06
SHA512

8da5a4d2f6bfb78ddb693488f1dcd09188d7555bfac61833a6da5233a3df45d46875e8a9a9acf1b4100b1a70bd07a434c316e864c7c9e1ff07bc9f3a536e2ced
SSDEEP

12288:UGeKvwZe/UrHaGfb6POd+rTpOSJMvMEB75:UGeKJcrH7/d+/BMv35

Score

10^/10

formbook bs2l discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bs2l

Decoy

file-anae.com

letsgosunderland.com

urgome.com

g5tet.xyz

myline2online.com

crafty-buck.com

uralpack.net

chinmeat.com

kursuskekipoh.com

justgantt.com

hqh.xyz

xiongege55.com

pokebrostogo.com

firststonemusic.com

bataviabento.com

comoditahandyshop.com

dayloniabeauty.com

ceeonec.com

scribblerhub.com

lindosueno.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/3428-16-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/3428-21-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/3428-25-0x0000000000400000-0x000000000042E000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	fa757fd3c276a1110eb4d96c8176670442bbc49dffc354ff360f342166fb8a06.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 384 set thread context of 3428	384	fa757fd3c276a1110eb4d96c8176670442bbc49dffc354ff360f342166fb8a06.exe	99
PID 3428 set thread context of 3512	3428	RegSvcs.exe	56
PID 3428 set thread context of 3512	3428	RegSvcs.exe	56
PID 3208 set thread context of 3512	3208	systray.exe	56

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fa757fd3c276a1110eb4d96c8176670442bbc49dffc354ff360f342166fb8a06.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	systray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4376	schtasks.exe

Suspicious behavior: EnumeratesProcesses 38 IoCs

pid	Process
3428	RegSvcs.exe
3428	RegSvcs.exe
3428	RegSvcs.exe
3428	RegSvcs.exe
3428	RegSvcs.exe
3428	RegSvcs.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe
3208	systray.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3428	RegSvcs.exe
3428	RegSvcs.exe
3428	RegSvcs.exe
3428	RegSvcs.exe
3208	systray.exe
3208	systray.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3428	RegSvcs.exe
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE
Token: SeDebugPrivilege	3208	systray.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 384 wrote to memory of 4376	384	fa757fd3c276a1110eb4d96c8176670442bbc49dffc354ff360f342166fb8a06.exe	98
PID 384 wrote to memory of 4376	384	fa757fd3c276a1110eb4d96c8176670442bbc49dffc354ff360f342166fb8a06.exe	98
PID 384 wrote to memory of 4376	384	fa757fd3c276a1110eb4d96c8176670442bbc49dffc354ff360f342166fb8a06.exe	98
PID 384 wrote to memory of 3428	384	fa757fd3c276a1110eb4d96c8176670442bbc49dffc354ff360f342166fb8a06.exe	99
PID 384 wrote to memory of 3428	384	fa757fd3c276a1110eb4d96c8176670442bbc49dffc354ff360f342166fb8a06.exe	99
PID 384 wrote to memory of 3428	384	fa757fd3c276a1110eb4d96c8176670442bbc49dffc354ff360f342166fb8a06.exe	99
PID 384 wrote to memory of 3428	384	fa757fd3c276a1110eb4d96c8176670442bbc49dffc354ff360f342166fb8a06.exe	99
PID 384 wrote to memory of 3428	384	fa757fd3c276a1110eb4d96c8176670442bbc49dffc354ff360f342166fb8a06.exe	99
PID 384 wrote to memory of 3428	384	fa757fd3c276a1110eb4d96c8176670442bbc49dffc354ff360f342166fb8a06.exe	99
PID 3512 wrote to memory of 3208	3512	Explorer.EXE	102
PID 3512 wrote to memory of 3208	3512	Explorer.EXE	102
PID 3512 wrote to memory of 3208	3512	Explorer.EXE	102
PID 3208 wrote to memory of 2568	3208	systray.exe	103
PID 3208 wrote to memory of 2568	3208	systray.exe	103
PID 3208 wrote to memory of 2568	3208	systray.exe	103

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3512
- C:\Users\Admin\AppData\Local\Temp\fa757fd3c276a1110eb4d96c8176670442bbc49dffc354ff360f342166fb8a06.exe
  "C:\Users\Admin\AppData\Local\Temp\fa757fd3c276a1110eb4d96c8176670442bbc49dffc354ff360f342166fb8a06.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:384
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eGWSVRxsBoYDt" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF3B6.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4376
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3428
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3208
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2568

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/384-18-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/384-2-0x0000000005260000-0x0000000005804000-memory.dmp

Filesize
5.6MB

Download
memory/384-0-0x0000000074CFE000-0x0000000074CFF000-memory.dmp

Filesize
4KB

Download
memory/384-3-0x0000000004D90000-0x0000000004E22000-memory.dmp

Filesize
584KB

Download
memory/384-4-0x0000000004E40000-0x0000000004E4A000-memory.dmp

Filesize
40KB

Download
memory/384-5-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/384-6-0x0000000005230000-0x000000000523E000-memory.dmp

Filesize
56KB

Download
memory/384-7-0x0000000074CFE000-0x0000000074CFF000-memory.dmp

Filesize
4KB

Download
memory/384-8-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/384-9-0x00000000078E0000-0x000000000797C000-memory.dmp

Filesize
624KB

Download
memory/384-10-0x0000000005CB0000-0x0000000005D08000-memory.dmp

Filesize
352KB

Download
memory/384-1-0x0000000000320000-0x00000000003A6000-memory.dmp

Filesize
536KB

Download
memory/3208-29-0x0000000000C30000-0x0000000000C36000-memory.dmp

Filesize
24KB

Download
memory/3208-28-0x0000000000C30000-0x0000000000C36000-memory.dmp

Filesize
24KB

Download
memory/3428-21-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3428-26-0x0000000003460000-0x0000000003474000-memory.dmp

Filesize
80KB

Download
memory/3428-25-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3428-22-0x0000000001B10000-0x0000000001B24000-memory.dmp

Filesize
80KB

Download
memory/3428-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3428-19-0x00000000016A0000-0x00000000019EA000-memory.dmp

Filesize
3.3MB

Download
memory/3512-23-0x0000000008790000-0x00000000088E4000-memory.dmp

Filesize
1.3MB

Download
memory/3512-36-0x0000000003460000-0x0000000003516000-memory.dmp

Filesize
728KB

Download
memory/3512-27-0x0000000008BC0000-0x0000000008D2E000-memory.dmp

Filesize
1.4MB

Download
memory/3512-30-0x0000000008BC0000-0x0000000008D2E000-memory.dmp

Filesize
1.4MB

Download
memory/3512-33-0x0000000003460000-0x0000000003516000-memory.dmp

Filesize
728KB

Download
memory/3512-35-0x0000000003460000-0x0000000003516000-memory.dmp

Filesize
728KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads