formbook | 47c2f15af8f1e4daa69e815e7eea1e44b7b54d708efdf32508ddb461c27626c5

General

Target

Payment_Advice.exe
Size

815KB
MD5

05a028bf7e8b4118a97a57552fc4ba0c
SHA1

9e71f8d3fd4bddb603c4c1803c867cade9be7a83
SHA256

8d692269e00163075c2d1bdeea0d8fe0ebb06c791233f692fa76e766095ec3ad
SHA512

df27cb22cbd3ee8faa970ce11217ac408c5e91e6cb4f81ad9f50b520cdebc216fee99ac022c41db449981ceadf5fdd4516b536641dbaf5a291125053b484a867
SSDEEP

12288:PYHdm1fBr+IwICEMytGbPGcbXDbE1Qla6RgVcP/7kvDxul+arudZt7dLBU37eimx:PyAiIlCPtfIv9XTp9Be7OqX5y6

Score

10^/10

formbook tmo discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

tmo

Decoy

myplace.design

geersa.info

rhysbdowning.com

pandorainiciatives.com

affiliate-beginning-gently.com

anitcruiserun.live

xn--6kr11w.com

everhopeimaging.com

drmdb.com

regen.media

ibizacarobcompany.com

keramikstubeboehme.info

bleedingwords.com

potbringer.com

opposingavatars.com

ljubljana-city.com

saltsmangarcia.com

5551071.com

thelawofficeofrkeithbrown.com

fukugyou-style.com

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2740-3-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral1/memory/2740-7-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral1/memory/2740-11-0x0000000000400000-0x000000000042D000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2568	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2688 set thread context of 2740	2688	Payment_Advice.exe	30
PID 2740 set thread context of 1096	2740	Payment_Advice.exe	20
PID 2740 set thread context of 1096	2740	Payment_Advice.exe	20
PID 2812 set thread context of 1096	2812	svchost.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	Payment_Advice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2688	Payment_Advice.exe
2740	Payment_Advice.exe
2740	Payment_Advice.exe
2740	Payment_Advice.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe
2812	svchost.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2688	Payment_Advice.exe
2740	Payment_Advice.exe
2740	Payment_Advice.exe
2740	Payment_Advice.exe
2740	Payment_Advice.exe
2812	svchost.exe
2812	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2740	Payment_Advice.exe
Token: SeDebugPrivilege	2812	svchost.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2740	2688	Payment_Advice.exe	30
PID 2688 wrote to memory of 2740	2688	Payment_Advice.exe	30
PID 2688 wrote to memory of 2740	2688	Payment_Advice.exe	30
PID 2688 wrote to memory of 2740	2688	Payment_Advice.exe	30
PID 1096 wrote to memory of 2812	1096	Explorer.EXE	31
PID 1096 wrote to memory of 2812	1096	Explorer.EXE	31
PID 1096 wrote to memory of 2812	1096	Explorer.EXE	31
PID 1096 wrote to memory of 2812	1096	Explorer.EXE	31
PID 2812 wrote to memory of 2568	2812	svchost.exe	32
PID 2812 wrote to memory of 2568	2812	svchost.exe	32
PID 2812 wrote to memory of 2568	2812	svchost.exe	32
PID 2812 wrote to memory of 2568	2812	svchost.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1096
- C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2688
- - C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2740
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.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:2812
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2568

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/1096-12-0x0000000005070000-0x000000000521B000-memory.dmp

Filesize
1.7MB

Download
memory/1096-10-0x0000000004E40000-0x0000000004F91000-memory.dmp

Filesize
1.3MB

Download
memory/1096-19-0x0000000005070000-0x000000000521B000-memory.dmp

Filesize
1.7MB

Download
memory/1096-8-0x0000000004E40000-0x0000000004F91000-memory.dmp

Filesize
1.3MB

Download
memory/1096-6-0x0000000003C40000-0x0000000003D40000-memory.dmp

Filesize
1024KB

Download
memory/2688-1-0x0000000000260000-0x0000000000268000-memory.dmp

Filesize
32KB

Download
memory/2688-4-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/2688-2-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2688-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2740-11-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2740-7-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2740-3-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2812-15-0x00000000009C0000-0x00000000009C8000-memory.dmp

Filesize
32KB

Download
memory/2812-17-0x00000000009C0000-0x00000000009C8000-memory.dmp

Filesize
32KB

Download

Analysis

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