formbook | 0899d3894338f52e9c7108e34d49e9b99fd9f6d78536cacedca6c1c90a9fdf58

Resubmissions

15/11/2024, 11:09

241115-m89t1ssmgw 10

15/11/2024, 07:54

241115-jrjdys1dph 10

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15/11/2024, 11:09

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

Transfer of rights and privilege.r15.rar
Size

583KB
MD5

e65378a4104452cb027d9898c95c57bd
SHA1

16fb37f13741698a76143bd2838124dc593ff4b4
SHA256

0899d3894338f52e9c7108e34d49e9b99fd9f6d78536cacedca6c1c90a9fdf58
SHA512

b350932a502874e146a0f4ff5a8d4de4a1f0306d861aa32ea91c3a1bcf03ee76911f7e1c7ef22b2da6a6d12e1a1203718442566cced83321dd25f871feed1898
SSDEEP

12288:6yRapBYCt5V6QbqCiYls/bE8/pJrmHydYqc1AjCp7tVv:Hc4YBb8Y4bT/j6Hyax1uCxv

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 4 IoCs

rat

resource	yara_rule
behavioral2/memory/4980-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4980-22-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4980-26-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1868-33-0x0000000000C30000-0x0000000000C5F000-memory.dmp	formbook

Executes dropped EXE 1 IoCs

pid	Process
4916	Transfer of rights and privilege.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x000b000000023bac-4.dat	autoit_exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4916 set thread context of 4980	4916	Transfer of rights and privilege.exe	108
PID 4980 set thread context of 3556	4980	svchost.exe	56
PID 4980 set thread context of 3556	4980	svchost.exe	56
PID 1868 set thread context of 3556	1868	explorer.exe	56

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	Transfer of rights and privilege.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious behavior: EnumeratesProcesses 52 IoCs

pid	Process
1552	7zFM.exe
1552	7zFM.exe
4980	svchost.exe
4980	svchost.exe
4980	svchost.exe
4980	svchost.exe
4980	svchost.exe
4980	svchost.exe
1552	7zFM.exe
1552	7zFM.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe
1868	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1552	7zFM.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
4916	Transfer of rights and privilege.exe
4980	svchost.exe
4980	svchost.exe
4980	svchost.exe
4980	svchost.exe
1868	explorer.exe
1868	explorer.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeRestorePrivilege	1552	7zFM.exe
Token: 35	1552	7zFM.exe
Token: SeSecurityPrivilege	1552	7zFM.exe
Token: SeDebugPrivilege	4980	svchost.exe
Token: SeDebugPrivilege	1868	explorer.exe
Token: SeShutdownPrivilege	3556	Explorer.EXE
Token: SeCreatePagefilePrivilege	3556	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1552	7zFM.exe
1552	7zFM.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3556	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 4916	1552	7zFM.exe	104
PID 1552 wrote to memory of 4916	1552	7zFM.exe	104
PID 1552 wrote to memory of 4916	1552	7zFM.exe	104
PID 4916 wrote to memory of 4980	4916	Transfer of rights and privilege.exe	108
PID 4916 wrote to memory of 4980	4916	Transfer of rights and privilege.exe	108
PID 4916 wrote to memory of 4980	4916	Transfer of rights and privilege.exe	108
PID 4916 wrote to memory of 4980	4916	Transfer of rights and privilege.exe	108
PID 3556 wrote to memory of 1868	3556	Explorer.EXE	109
PID 3556 wrote to memory of 1868	3556	Explorer.EXE	109
PID 3556 wrote to memory of 1868	3556	Explorer.EXE	109
PID 1868 wrote to memory of 3128	1868	explorer.exe	110
PID 1868 wrote to memory of 3128	1868	explorer.exe	110
PID 1868 wrote to memory of 3128	1868	explorer.exe	110

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3556
- C:\Program Files\7-Zip\7zFM.exe
  "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Transfer of rights and privilege.r15.rar"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1552
- - C:\Users\Admin\AppData\Local\Temp\7zO0161B1C7\Transfer of rights and privilege.exe
    "C:\Users\Admin\AppData\Local\Temp\7zO0161B1C7\Transfer of rights and privilege.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:4916
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\7zO0161B1C7\Transfer of rights and privilege.exe"
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:4980
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.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:1868
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3128

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\7zO0161B1C7\Transfer of rights and privilege.exe

Filesize
1.1MB

MD5
fa91a7463a9ea4918102bccaa035dac1

SHA1
eb1e162fc866d77e6ca4f68c464e4793a9013094

SHA256
e5eda013173004830010766af13273e9ee2b96c0c63628a531945e4e8c0da884

SHA512
a40959b205039c308f3bc396bd86d060da71938d1199b1000837fd1037e01dcd9a530ad7083ab4f66458c3772b64fe27cd372fcc747fa6e931ec4393a38d3cc4

Download Submit
memory/1868-33-0x0000000000C30000-0x0000000000C5F000-memory.dmp

Filesize
188KB

Download
memory/1868-32-0x00000000004F0000-0x0000000000923000-memory.dmp

Filesize
4.2MB

Download
memory/1868-30-0x00000000004F0000-0x0000000000923000-memory.dmp

Filesize
4.2MB

Download
memory/3556-29-0x0000000003150000-0x000000000321A000-memory.dmp

Filesize
808KB

Download
memory/3556-37-0x0000000009210000-0x0000000009380000-memory.dmp

Filesize
1.4MB

Download
memory/3556-34-0x0000000008AE0000-0x0000000008C8B000-memory.dmp

Filesize
1.7MB

Download
memory/3556-24-0x0000000003150000-0x000000000321A000-memory.dmp

Filesize
808KB

Download
memory/3556-28-0x0000000008AE0000-0x0000000008C8B000-memory.dmp

Filesize
1.7MB

Download
memory/4916-18-0x00000000008B0000-0x0000000000CB0000-memory.dmp

Filesize
4.0MB

Download
memory/4980-23-0x0000000001260000-0x0000000001274000-memory.dmp

Filesize
80KB

Download
memory/4980-26-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4980-27-0x00000000012E0000-0x00000000012F4000-memory.dmp

Filesize
80KB

Download
memory/4980-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4980-20-0x0000000001300000-0x000000000164A000-memory.dmp

Filesize
3.3MB

Download
memory/4980-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download