formbook | a8af52f378b0d8cc71513411d4af5c383147c03064981084c63125b3f57b7f6a

General

Target

MalwareBazaar.exe
Size

653KB
MD5

8691b9bda57b18592afe76b9a8265ad3
SHA1

51c0b367762361da72cc2b36d317b188c9a51b59
SHA256

a8af52f378b0d8cc71513411d4af5c383147c03064981084c63125b3f57b7f6a
SHA512

56d80eae6b52800ebde89e6aecc2f40050dbabb82d65158f2a934bcfdc897f936f3293a557de689ce56a7223337ffa6d1b2bcee15af081c7203142d7e28563f6
SSDEEP

12288:QI2iNeSY+aZrwrhWAqSruftYXDEt+FL+rXu8gLvCN2avJ5S:T14/4rhWAqSruftWFK9gLvCRR5

Score

10^/10

formbook de94 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

de94

Decoy

way2future.net

worldnewsdailys.online

rendamaisbr.com

s485.icu

vcxwpo.xyz

imagivilleartists.com

herbatyorganics.com

xn--80ado1abokv5d.xn--p1acf

invigoratewell.com

especialistaleitura.online

pkrstg.com

performacaretechnical.com

dreamgame55.net

hkitgugx.xyz

istanlikbilgiler.click

slotter99j.vip

exploringtheoutdoors.net

triberoots.com

energiaslotsbet.com

dkforcm.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/2240-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2240-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2752-23-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2636	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1824 set thread context of 2240	1824	MalwareBazaar.exe	31
PID 2240 set thread context of 1188	2240	MalwareBazaar.exe	21
PID 2752 set thread context of 1188	2752	wlanext.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	MalwareBazaar.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
2240	MalwareBazaar.exe
2240	MalwareBazaar.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe
2752	wlanext.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2240	MalwareBazaar.exe
2240	MalwareBazaar.exe
2240	MalwareBazaar.exe
2752	wlanext.exe
2752	wlanext.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2240	MalwareBazaar.exe
Token: SeDebugPrivilege	2752	wlanext.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1824 wrote to memory of 2240	1824	MalwareBazaar.exe	31
PID 1824 wrote to memory of 2240	1824	MalwareBazaar.exe	31
PID 1824 wrote to memory of 2240	1824	MalwareBazaar.exe	31
PID 1824 wrote to memory of 2240	1824	MalwareBazaar.exe	31
PID 1824 wrote to memory of 2240	1824	MalwareBazaar.exe	31
PID 1824 wrote to memory of 2240	1824	MalwareBazaar.exe	31
PID 1824 wrote to memory of 2240	1824	MalwareBazaar.exe	31
PID 1188 wrote to memory of 2752	1188	Explorer.EXE	32
PID 1188 wrote to memory of 2752	1188	Explorer.EXE	32
PID 1188 wrote to memory of 2752	1188	Explorer.EXE	32
PID 1188 wrote to memory of 2752	1188	Explorer.EXE	32
PID 2752 wrote to memory of 2636	2752	wlanext.exe	33
PID 2752 wrote to memory of 2636	2752	wlanext.exe	33
PID 2752 wrote to memory of 2636	2752	wlanext.exe	33
PID 2752 wrote to memory of 2636	2752	wlanext.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
  "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1824
- - C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
    "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2240
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.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:2752
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2636

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

Loading Replay Monitor...

Downloads

memory/1188-19-0x00000000075D0000-0x00000000076D7000-memory.dmp

Filesize
1.0MB

Download
memory/1188-26-0x00000000075D0000-0x00000000076D7000-memory.dmp

Filesize
1.0MB

Download
memory/1188-24-0x0000000000380000-0x0000000000480000-memory.dmp

Filesize
1024KB

Download
memory/1824-5-0x0000000000A50000-0x0000000000A5E000-memory.dmp

Filesize
56KB

Download
memory/1824-14-0x0000000074D10000-0x00000000753FE000-memory.dmp

Filesize
6.9MB

Download
memory/1824-0-0x0000000074D1E000-0x0000000074D1F000-memory.dmp

Filesize
4KB

Download
memory/1824-6-0x00000000012E0000-0x0000000001356000-memory.dmp

Filesize
472KB

Download
memory/1824-1-0x0000000001350000-0x00000000013FA000-memory.dmp

Filesize
680KB

Download
memory/1824-2-0x0000000074D10000-0x00000000753FE000-memory.dmp

Filesize
6.9MB

Download
memory/1824-3-0x0000000000600000-0x0000000000612000-memory.dmp

Filesize
72KB

Download
memory/1824-4-0x0000000000A00000-0x0000000000A0A000-memory.dmp

Filesize
40KB

Download
memory/2240-15-0x00000000008C0000-0x0000000000BC3000-memory.dmp

Filesize
3.0MB

Download
memory/2240-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2240-18-0x0000000000280000-0x0000000000294000-memory.dmp

Filesize
80KB

Download
memory/2240-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2240-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2240-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2240-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2752-20-0x0000000000560000-0x0000000000576000-memory.dmp

Filesize
88KB

Download
memory/2752-22-0x0000000000560000-0x0000000000576000-memory.dmp

Filesize
88KB

Download
memory/2752-23-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing