formbook | 8b6017c0273a53df2ceda06cfabb8401c1441fc0f15ff976eb09ded799f68622

General

Target

92beab1ebf4cb74018b11571a5db867c2ec9d7bb0231a93a898cc3b7799558eb.exe
Size

1.3MB
MD5

0db29bd5e5bc734b26f48f316387571d
SHA1

d4658bd997137cc1c75e9ca0591c5944bd1fe9b5
SHA256

92beab1ebf4cb74018b11571a5db867c2ec9d7bb0231a93a898cc3b7799558eb
SHA512

f4c878e20cbe80fd3818758e1703726235fe79bfa55f6cdc0a4affa8e9cdac9fd5929f1c96a268e80681fa54703702ff87ee8faa2c8ec4def30570c2ddb81d95
SSDEEP

24576:XqDEvCTbMWu7rQYlBQcBiT6rprG8aE6ztB8v3egx1H4JBkFt4:XTvC/MTQYxsWR7aEKtBe1H4ne

Score

10^/10

formbook a03d discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a03d

Decoy

nfluencer-marketing-13524.bond

cebepu.info

lphatechblog.xyz

haoyun.website

itiz.xyz

orld-visa-center.online

si.art

alata.xyz

mmarketing.xyz

elnqdjc.shop

ensentoto.cloud

voyagu.info

onvert.today

1fuli9902.shop

otelhafnia.info

rumpchiefofstaff.store

urvivalflashlights.shop

0090.pizza

ings-hu-13.today

oliticalpatriot.net

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/2556-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2556-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2964-12-0x0000000000110000-0x000000000013F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1552 set thread context of 2556	1552	92beab1ebf4cb74018b11571a5db867c2ec9d7bb0231a93a898cc3b7799558eb.exe	31
PID 2556 set thread context of 1388	2556	svchost.exe	21
PID 2964 set thread context of 1388	2964	wininit.exe	21

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	92beab1ebf4cb74018b11571a5db867c2ec9d7bb0231a93a898cc3b7799558eb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wininit.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2556	svchost.exe
2556	svchost.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe
2964	wininit.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1552	92beab1ebf4cb74018b11571a5db867c2ec9d7bb0231a93a898cc3b7799558eb.exe
2556	svchost.exe
2556	svchost.exe
2556	svchost.exe
2964	wininit.exe
2964	wininit.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2556	svchost.exe
Token: SeDebugPrivilege	2964	wininit.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
1552	92beab1ebf4cb74018b11571a5db867c2ec9d7bb0231a93a898cc3b7799558eb.exe
1552	92beab1ebf4cb74018b11571a5db867c2ec9d7bb0231a93a898cc3b7799558eb.exe
1388	Explorer.EXE
1388	Explorer.EXE
1388	Explorer.EXE
1388	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1552	92beab1ebf4cb74018b11571a5db867c2ec9d7bb0231a93a898cc3b7799558eb.exe
1552	92beab1ebf4cb74018b11571a5db867c2ec9d7bb0231a93a898cc3b7799558eb.exe
1388	Explorer.EXE
1388	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 2556	1552	92beab1ebf4cb74018b11571a5db867c2ec9d7bb0231a93a898cc3b7799558eb.exe	31
PID 1552 wrote to memory of 2556	1552	92beab1ebf4cb74018b11571a5db867c2ec9d7bb0231a93a898cc3b7799558eb.exe	31
PID 1552 wrote to memory of 2556	1552	92beab1ebf4cb74018b11571a5db867c2ec9d7bb0231a93a898cc3b7799558eb.exe	31
PID 1552 wrote to memory of 2556	1552	92beab1ebf4cb74018b11571a5db867c2ec9d7bb0231a93a898cc3b7799558eb.exe	31
PID 1552 wrote to memory of 2556	1552	92beab1ebf4cb74018b11571a5db867c2ec9d7bb0231a93a898cc3b7799558eb.exe	31
PID 1388 wrote to memory of 2964	1388	Explorer.EXE	32
PID 1388 wrote to memory of 2964	1388	Explorer.EXE	32
PID 1388 wrote to memory of 2964	1388	Explorer.EXE	32
PID 1388 wrote to memory of 2964	1388	Explorer.EXE	32
PID 2964 wrote to memory of 2492	2964	wininit.exe	33
PID 2964 wrote to memory of 2492	2964	wininit.exe	33
PID 2964 wrote to memory of 2492	2964	wininit.exe	33
PID 2964 wrote to memory of 2492	2964	wininit.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Users\Admin\AppData\Local\Temp\92beab1ebf4cb74018b11571a5db867c2ec9d7bb0231a93a898cc3b7799558eb.exe
  "C:\Users\Admin\AppData\Local\Temp\92beab1ebf4cb74018b11571a5db867c2ec9d7bb0231a93a898cc3b7799558eb.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:1552
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\92beab1ebf4cb74018b11571a5db867c2ec9d7bb0231a93a898cc3b7799558eb.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2556
- C:\Windows\SysWOW64\wininit.exe
  "C:\Windows\SysWOW64\wininit.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:2964
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2492

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/1388-13-0x00000000070D0000-0x000000000727F000-memory.dmp

Filesize
1.7MB

Download
memory/1388-21-0x00000000064D0000-0x00000000065B3000-memory.dmp

Filesize
908KB

Download
memory/1388-19-0x00000000064D0000-0x00000000065B3000-memory.dmp

Filesize
908KB

Download
memory/1388-18-0x00000000064D0000-0x00000000065B3000-memory.dmp

Filesize
908KB

Download
memory/1388-8-0x00000000070D0000-0x000000000727F000-memory.dmp

Filesize
1.7MB

Download
memory/1552-2-0x0000000000970000-0x0000000000D70000-memory.dmp

Filesize
4.0MB

Download
memory/2556-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2556-7-0x0000000000360000-0x0000000000375000-memory.dmp

Filesize
84KB

Download
memory/2556-4-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/2556-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2964-11-0x0000000000CE0000-0x0000000000CFA000-memory.dmp

Filesize
104KB

Download
memory/2964-12-0x0000000000110000-0x000000000013F000-memory.dmp

Filesize
188KB

Download
memory/2964-9-0x0000000000CE0000-0x0000000000CFA000-memory.dmp

Filesize
104KB

Download

Analysis

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