formbook | 44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618

Analysis

max time kernel
149s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-09-2024 13:29

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General

Target

f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe
Size

414KB
MD5

f3becd80be8779dfeb8ca5791f7ffb86
SHA1

91f03335ff735cef93edafc6748d354d08eabe87
SHA256

44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618
SHA512

f508be9b45170e7669c69ab6ec4849ddb318ee8d9a0d3ffc906197747de67b94d4c32b8aecb383fee6ce49d7e364a07743c8e3a7ed6e91132219633d65661abb
SSDEEP

12288:5D+5/QYSTtPaFx06kmDfAbqt2gqZhXmpgZPa:AX8abxkml9D

Score

10^/10

formbook kvsz discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

kvsz

Decoy

hdlivesonlinetv24.com

illaheehillsseniorliving.com

wihong.com

christopher-cost.com

huayvipee.com

csdroped.xyz

relationsvivantes.com

xmcombohome.com

qingc2.com

sunsetcinemamusic.com

anotherheadache.com

connectlcv.com

unitermi.com

cugetarileunuisarman.com

agakegois.com

burnercouture.com

ambassador-holidays.com

schnarr-design.com

2013lang.com

httattoos.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2628-18-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2628-23-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2628-27-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2444-33-0x0000000000070000-0x000000000009E000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1872 set thread context of 2628	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	35
PID 2628 set thread context of 1200	2628	RegSvcs.exe	21
PID 2628 set thread context of 1200	2628	RegSvcs.exe	21
PID 2444 set thread context of 1200	2444	cscript.exe	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2648	schtasks.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe
1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe
1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe
1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe
1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe
2628	RegSvcs.exe
2628	RegSvcs.exe
2628	RegSvcs.exe
2444	cscript.exe
2444	cscript.exe
2444	cscript.exe
2444	cscript.exe
2444	cscript.exe
2444	cscript.exe
2444	cscript.exe
2444	cscript.exe
2444	cscript.exe
2444	cscript.exe
2444	cscript.exe
2444	cscript.exe
2444	cscript.exe
2444	cscript.exe
2444	cscript.exe
2444	cscript.exe
2444	cscript.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2628	RegSvcs.exe
2628	RegSvcs.exe
2628	RegSvcs.exe
2628	RegSvcs.exe
2444	cscript.exe
2444	cscript.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe
Token: SeDebugPrivilege	2628	RegSvcs.exe
Token: SeDebugPrivilege	2444	cscript.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1872 wrote to memory of 2648	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	31
PID 1872 wrote to memory of 2648	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	31
PID 1872 wrote to memory of 2648	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	31
PID 1872 wrote to memory of 2648	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	31
PID 1872 wrote to memory of 2680	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	33
PID 1872 wrote to memory of 2680	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	33
PID 1872 wrote to memory of 2680	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	33
PID 1872 wrote to memory of 2680	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	33
PID 1872 wrote to memory of 2680	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	33
PID 1872 wrote to memory of 2680	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	33
PID 1872 wrote to memory of 2680	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	33
PID 1872 wrote to memory of 2896	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	34
PID 1872 wrote to memory of 2896	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	34
PID 1872 wrote to memory of 2896	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	34
PID 1872 wrote to memory of 2896	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	34
PID 1872 wrote to memory of 2896	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	34
PID 1872 wrote to memory of 2896	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	34
PID 1872 wrote to memory of 2896	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	34
PID 1872 wrote to memory of 2628	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	35
PID 1872 wrote to memory of 2628	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	35
PID 1872 wrote to memory of 2628	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	35
PID 1872 wrote to memory of 2628	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	35
PID 1872 wrote to memory of 2628	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	35
PID 1872 wrote to memory of 2628	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	35
PID 1872 wrote to memory of 2628	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	35
PID 1872 wrote to memory of 2628	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	35
PID 1872 wrote to memory of 2628	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	35
PID 1872 wrote to memory of 2628	1872	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	35
PID 1200 wrote to memory of 2444	1200	Explorer.EXE	36
PID 1200 wrote to memory of 2444	1200	Explorer.EXE	36
PID 1200 wrote to memory of 2444	1200	Explorer.EXE	36
PID 1200 wrote to memory of 2444	1200	Explorer.EXE	36
PID 2444 wrote to memory of 2968	2444	cscript.exe	37
PID 2444 wrote to memory of 2968	2444	cscript.exe	37
PID 2444 wrote to memory of 2968	2444	cscript.exe	37
PID 2444 wrote to memory of 2968	2444	cscript.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1872
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HTufYRAKxBK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9721.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2648
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2680
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2896
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2628
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\SysWOW64\cscript.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:2444
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9721.tmp

Filesize
1KB

MD5
339d87d39081fabe2c13892ea461e165

SHA1
f3573f8bb1deaed092ef7866f6c83bbbca2724c4

SHA256
40d6a09f7526699f9baa0fa4eed330866495db2d40c3015b5c49bb44ac1f9a1c

SHA512
38873e77023e93ccba4a52cec8b79a94359abd7b26ef4d54b8e4f89bc0be6d0a20850fa9639a6cd62f9048e65122bc9060819e5dd0657c7ee1ca5d2fc9fb3fcf

Download Submit
memory/1200-34-0x00000000067E0000-0x00000000068B9000-memory.dmp

Filesize
868KB

Download
memory/1200-30-0x00000000067E0000-0x00000000068B9000-memory.dmp

Filesize
868KB

Download
memory/1200-22-0x0000000005200000-0x000000000537F000-memory.dmp

Filesize
1.5MB

Download
memory/1200-21-0x0000000003B00000-0x0000000003C00000-memory.dmp

Filesize
1024KB

Download
memory/1872-6-0x00000000048A0000-0x00000000048F6000-memory.dmp

Filesize
344KB

Download
memory/1872-3-0x0000000001CC0000-0x0000000001CCA000-memory.dmp

Filesize
40KB

Download
memory/1872-7-0x00000000046D0000-0x0000000004706000-memory.dmp

Filesize
216KB

Download
memory/1872-5-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/1872-1-0x00000000000E0000-0x000000000014E000-memory.dmp

Filesize
440KB

Download
memory/1872-0-0x000000007423E000-0x000000007423F000-memory.dmp

Filesize
4KB

Download
memory/1872-4-0x000000007423E000-0x000000007423F000-memory.dmp

Filesize
4KB

Download
memory/1872-25-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/1872-2-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2444-33-0x0000000000070000-0x000000000009E000-memory.dmp

Filesize
184KB

Download
memory/2444-31-0x0000000000330000-0x0000000000352000-memory.dmp

Filesize
136KB

Download
memory/2444-32-0x0000000000330000-0x0000000000352000-memory.dmp

Filesize
136KB

Download
memory/2628-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2628-23-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2628-27-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2628-28-0x0000000000350000-0x0000000000364000-memory.dmp

Filesize
80KB

Download
memory/2628-24-0x0000000000190000-0x00000000001A4000-memory.dmp

Filesize
80KB

Download
memory/2628-19-0x0000000000AF0000-0x0000000000DF3000-memory.dmp

Filesize
3.0MB

Download
memory/2628-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2628-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2628-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download