formbook | 0899d3894338f52e9c7108e34d49e9b99fd9f6d78536cacedca6c1c90a9fdf58

Resubmissions

15-11-2024 11:09

241115-m89t1ssmgw 10

15-11-2024 07:54

241115-jrjdys1dph 10

Analysis

max time kernel
146s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
15-11-2024 07:54

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General

Target

Transfer of rights and privilege.exe
Size

1.1MB
MD5

fa91a7463a9ea4918102bccaa035dac1
SHA1

eb1e162fc866d77e6ca4f68c464e4793a9013094
SHA256

e5eda013173004830010766af13273e9ee2b96c0c63628a531945e4e8c0da884
SHA512

a40959b205039c308f3bc396bd86d060da71938d1199b1000837fd1037e01dcd9a530ad7083ab4f66458c3772b64fe27cd372fcc747fa6e931ec4393a38d3cc4
SSDEEP

24576:Dtb20pkaCqT5TBWgNQ7ayLWZ2KbH1EhzJ9OPR7z6A:AVg5tQ7ayLWZ2KOJIRP5

Score

10^/10

formbook cl21 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cl21

Decoy

0001.shop

earch-parttimejobs.today

are888.top

akanhaunthipped.shop

othing-heyu.xyz

cadvirsor.net

nclanalae.shop

lectric-cars-mexico.today

oxj-question.xyz

ersonalloanoffers.today

ersonalloans-fo54-fo37.click

verybody-ewfx.xyz

ercuremontauban.media

azilimdunyam.net

airs-clinicato.today

wiftsscend.click

ertainly-jbws.xyz

8xeng.app

damekadmitageable.cfd

ollapsedec.shop

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/2676-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2676-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1436-16-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1556 set thread context of 2676	1556	Transfer of rights and privilege.exe	30
PID 2676 set thread context of 1100	2676	svchost.exe	20
PID 1436 set thread context of 1100	1436	netsh.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	Transfer of rights and privilege.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2676	svchost.exe
2676	svchost.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe
1436	netsh.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1556	Transfer of rights and privilege.exe
2676	svchost.exe
2676	svchost.exe
2676	svchost.exe
1436	netsh.exe
1436	netsh.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2676	svchost.exe
Token: SeDebugPrivilege	1436	netsh.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1556 wrote to memory of 2676	1556	Transfer of rights and privilege.exe	30
PID 1556 wrote to memory of 2676	1556	Transfer of rights and privilege.exe	30
PID 1556 wrote to memory of 2676	1556	Transfer of rights and privilege.exe	30
PID 1556 wrote to memory of 2676	1556	Transfer of rights and privilege.exe	30
PID 1556 wrote to memory of 2676	1556	Transfer of rights and privilege.exe	30
PID 1100 wrote to memory of 1436	1100	Explorer.EXE	31
PID 1100 wrote to memory of 1436	1100	Explorer.EXE	31
PID 1100 wrote to memory of 1436	1100	Explorer.EXE	31
PID 1100 wrote to memory of 1436	1100	Explorer.EXE	31
PID 1436 wrote to memory of 2232	1436	netsh.exe	32
PID 1436 wrote to memory of 2232	1436	netsh.exe	32
PID 1436 wrote to memory of 2232	1436	netsh.exe	32
PID 1436 wrote to memory of 2232	1436	netsh.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Users\Admin\AppData\Local\Temp\Transfer of rights and privilege.exe
  "C:\Users\Admin\AppData\Local\Temp\Transfer of rights and privilege.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1556
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\Transfer of rights and privilege.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2676
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\SysWOW64\netsh.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:1436
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1100-12-0x0000000006CA0000-0x0000000006E24000-memory.dmp

Filesize
1.5MB

Download
memory/1100-17-0x0000000006CA0000-0x0000000006E24000-memory.dmp

Filesize
1.5MB

Download
memory/1436-13-0x0000000000B50000-0x0000000000B6B000-memory.dmp

Filesize
108KB

Download
memory/1436-15-0x0000000000B50000-0x0000000000B6B000-memory.dmp

Filesize
108KB

Download
memory/1436-16-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1556-6-0x0000000000660000-0x0000000000A60000-memory.dmp

Filesize
4.0MB

Download
memory/2676-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2676-8-0x0000000000990000-0x0000000000C93000-memory.dmp

Filesize
3.0MB

Download
memory/2676-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2676-11-0x00000000001C0000-0x00000000001D4000-memory.dmp

Filesize
80KB

Download