formbook | 0899d3894338f52e9c7108e34d49e9b99fd9f6d78536cacedca6c1c90a9fdf58

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

Processes:

resource	yara_rule
behavioral2/memory/1880-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1880-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2176-16-0x00000000007E0000-0x000000000080F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

Transfer of rights and privilege.exesvchost.exeWWAHost.exe

description	pid	process	target process
PID 2724 set thread context of 1880	2724	Transfer of rights and privilege.exe	svchost.exe
PID 1880 set thread context of 3556	1880	svchost.exe	Explorer.EXE
PID 2176 set thread context of 3556	2176	WWAHost.exe	Explorer.EXE

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

Processes:

Transfer of rights and privilege.exeWWAHost.execmd.exe

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	WWAHost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 1 IoCs

Processes:

Explorer.EXE

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Explorer.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

svchost.exeWWAHost.exe

pid	process
1880	svchost.exe
1880	svchost.exe
1880	svchost.exe
1880	svchost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe
2176	WWAHost.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Transfer of rights and privilege.exesvchost.exeWWAHost.exe

pid process

2724 Transfer of rights and privilege.exe
1880 svchost.exe
1880 svchost.exe
1880 svchost.exe
2176 WWAHost.exe
2176 WWAHost.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

svchost.exeWWAHost.exe

description pid process

Token: SeDebugPrivilege 1880 svchost.exe
Token: SeDebugPrivilege 2176 WWAHost.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

3556 Explorer.EXE
3556 Explorer.EXE
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3556 Explorer.EXE

pid	process
2724	Transfer of rights and privilege.exe
1880	svchost.exe
1880	svchost.exe
1880	svchost.exe
2176	WWAHost.exe
2176	WWAHost.exe

description	pid	process
Token: SeDebugPrivilege	1880	svchost.exe
Token: SeDebugPrivilege	2176	WWAHost.exe

pid	process
3556	Explorer.EXE
3556	Explorer.EXE

pid	process
3556	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

Transfer of rights and privilege.exeExplorer.EXEWWAHost.exe

description	pid	process	target process
PID 2724 wrote to memory of 1880	2724	Transfer of rights and privilege.exe	svchost.exe
PID 2724 wrote to memory of 1880	2724	Transfer of rights and privilege.exe	svchost.exe
PID 2724 wrote to memory of 1880	2724	Transfer of rights and privilege.exe	svchost.exe
PID 2724 wrote to memory of 1880	2724	Transfer of rights and privilege.exe	svchost.exe
PID 3556 wrote to memory of 2176	3556	Explorer.EXE	WWAHost.exe
PID 3556 wrote to memory of 2176	3556	Explorer.EXE	WWAHost.exe
PID 3556 wrote to memory of 2176	3556	Explorer.EXE	WWAHost.exe
PID 2176 wrote to memory of 1800	2176	WWAHost.exe	cmd.exe
PID 2176 wrote to memory of 1800	2176	WWAHost.exe	cmd.exe
PID 2176 wrote to memory of 1800	2176	WWAHost.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3556
- 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:2724
- - 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:1880
- C:\Windows\SysWOW64\WWAHost.exe
  "C:\Windows\SysWOW64\WWAHost.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:2176
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1800

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

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Downloads

memory/1880-11-0x0000000001780000-0x0000000001794000-memory.dmp

Filesize
80KB

Download
memory/1880-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1880-8-0x0000000001A00000-0x0000000001D4A000-memory.dmp

Filesize
3.3MB

Download
memory/1880-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2176-13-0x00000000009A0000-0x0000000000A7C000-memory.dmp

Filesize
880KB

Download
memory/2176-15-0x00000000009A0000-0x0000000000A7C000-memory.dmp

Filesize
880KB

Download
memory/2176-16-0x00000000007E0000-0x000000000080F000-memory.dmp

Filesize
188KB

Download
memory/2724-6-0x00000000013C0000-0x00000000017C0000-memory.dmp

Filesize
4.0MB

Download
memory/3556-12-0x0000000009050000-0x00000000091DB000-memory.dmp

Filesize
1.5MB

Download
memory/3556-17-0x0000000009050000-0x00000000091DB000-memory.dmp

Filesize
1.5MB

Download
memory/3556-21-0x00000000091E0000-0x0000000009314000-memory.dmp

Filesize
1.2MB

Download
memory/3556-22-0x00000000091E0000-0x0000000009314000-memory.dmp

Filesize
1.2MB

Download
memory/3556-24-0x00000000091E0000-0x0000000009314000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads