formbook | 256de281ea46412e8c0743811da3d3075fb2ea1891125c1b055d5c0c01d1045f

General

Target

SKMBT_28324122512260.pdf.exe
Size

1.3MB
MD5

00c66ed3dd9c5c71ff67ab6a4e3656e9
SHA1

a9522924477ac1c8c70e66a1ed007c23fb7e3028
SHA256

256de281ea46412e8c0743811da3d3075fb2ea1891125c1b055d5c0c01d1045f
SHA512

0cbb2fea2e8c485c80b522f4bcda11cd93e390d7237331c99334bccca5e7beeb90edfdd0122a20fb164a43a5aeb329e4a0d74b0bb979cc859fb23e58061dd391
SSDEEP

24576:ktb20pkaCqT5TBWgNQ7a++wVXSsJAzFfaeiwKyod/Qsb6A:NVg5tQ7a++wpSYgMei5yi/H5

Score

10^/10

formbook s94p discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

s94p

Decoy

akeimpact.xyz

obsters.online

lsnmarketing.info

mm789.xyz

lack-loan-1232998.fyi

aaafsaneh1.info

nsurance-59975.bond

itricboost.cloud

0011997.xyz

st3jr71.world

winkletown3.store

imhell.cyou

nfluencer-marketing-72763.bond

etirement-plans-42889.bond

ugar-test-lab-near-me.today

llseasoncleaning.net

ksoftware.info

lientfirst.xyz

aatahmineh-inter5.rest

lsolutions.xyz

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
behavioral1/memory/2300-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2300-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3000-14-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2672-2-0x0000000001140000-0x0000000001293000-memory.dmp	autoit_exe
behavioral1/memory/2672-4-0x0000000001140000-0x0000000001293000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2672 set thread context of 2300	2672	SKMBT_28324122512260.pdf.exe	30
PID 2300 set thread context of 1112	2300	svchost.exe	20
PID 3000 set thread context of 1112	3000	systray.exe	20

System Location Discovery: System Language Discovery 1 TTPs 3 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	SKMBT_28324122512260.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	systray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2300	svchost.exe
2300	svchost.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe
3000	systray.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2672	SKMBT_28324122512260.pdf.exe
2300	svchost.exe
2300	svchost.exe
2300	svchost.exe
3000	systray.exe
3000	systray.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2300	svchost.exe
Token: SeDebugPrivilege	3000	systray.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
2672	SKMBT_28324122512260.pdf.exe
2672	SKMBT_28324122512260.pdf.exe
1112	Explorer.EXE
1112	Explorer.EXE
1112	Explorer.EXE
1112	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2672	SKMBT_28324122512260.pdf.exe
2672	SKMBT_28324122512260.pdf.exe
1112	Explorer.EXE
1112	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2300	2672	SKMBT_28324122512260.pdf.exe	30
PID 2672 wrote to memory of 2300	2672	SKMBT_28324122512260.pdf.exe	30
PID 2672 wrote to memory of 2300	2672	SKMBT_28324122512260.pdf.exe	30
PID 2672 wrote to memory of 2300	2672	SKMBT_28324122512260.pdf.exe	30
PID 2672 wrote to memory of 2300	2672	SKMBT_28324122512260.pdf.exe	30
PID 1112 wrote to memory of 3000	1112	Explorer.EXE	31
PID 1112 wrote to memory of 3000	1112	Explorer.EXE	31
PID 1112 wrote to memory of 3000	1112	Explorer.EXE	31
PID 1112 wrote to memory of 3000	1112	Explorer.EXE	31
PID 3000 wrote to memory of 2424	3000	systray.exe	32
PID 3000 wrote to memory of 2424	3000	systray.exe	32
PID 3000 wrote to memory of 2424	3000	systray.exe	32
PID 3000 wrote to memory of 2424	3000	systray.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1112
- C:\Users\Admin\AppData\Local\Temp\SKMBT_28324122512260.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\SKMBT_28324122512260.pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2672
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\SKMBT_28324122512260.pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2300
- 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:3000
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2424

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/1112-10-0x0000000006DC0000-0x0000000006F65000-memory.dmp

Filesize
1.6MB

Download
memory/1112-24-0x0000000004C80000-0x0000000004D1F000-memory.dmp

Filesize
636KB

Download
memory/1112-22-0x0000000004C80000-0x0000000004D1F000-memory.dmp

Filesize
636KB

Download
memory/1112-21-0x0000000004C80000-0x0000000004D1F000-memory.dmp

Filesize
636KB

Download
memory/1112-15-0x0000000006DC0000-0x0000000006F65000-memory.dmp

Filesize
1.6MB

Download
memory/2300-5-0x0000000000930000-0x0000000000C33000-memory.dmp

Filesize
3.0MB

Download
memory/2300-8-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/2300-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2300-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2672-2-0x0000000001140000-0x0000000001293000-memory.dmp

Filesize
1.3MB

Download
memory/2672-4-0x0000000001140000-0x0000000001293000-memory.dmp

Filesize
1.3MB

Download
memory/3000-11-0x0000000000170000-0x0000000000175000-memory.dmp

Filesize
20KB

Download
memory/3000-13-0x0000000000170000-0x0000000000175000-memory.dmp

Filesize
20KB

Download
memory/3000-14-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download

Analysis

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