formbook | 44a8227ccd3bd1fb5285b84d99282b199594457c73bdab74c4cbeb331e671618

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 3 IoCs

rat

resource	yara_rule
behavioral2/memory/220-18-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/220-23-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/3596-28-0x0000000001240000-0x000000000126E000-memory.dmp	formbook

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3492 set thread context of 220	3492	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	93
PID 220 set thread context of 3464	220	RegSvcs.exe	56
PID 3596 set thread context of 3464	3596	systray.exe	56

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	systray.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
3084	schtasks.exe

Suspicious behavior: EnumeratesProcesses 41 IoCs

pid	Process
3492	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe
220	RegSvcs.exe
220	RegSvcs.exe
220	RegSvcs.exe
220	RegSvcs.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe
3596	systray.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
220	RegSvcs.exe
220	RegSvcs.exe
220	RegSvcs.exe
3596	systray.exe
3596	systray.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3492	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe
Token: SeDebugPrivilege	220	RegSvcs.exe
Token: SeDebugPrivilege	3596	systray.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3492 wrote to memory of 3084	3492	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	91
PID 3492 wrote to memory of 3084	3492	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	91
PID 3492 wrote to memory of 3084	3492	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	91
PID 3492 wrote to memory of 220	3492	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	93
PID 3492 wrote to memory of 220	3492	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	93
PID 3492 wrote to memory of 220	3492	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	93
PID 3492 wrote to memory of 220	3492	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	93
PID 3492 wrote to memory of 220	3492	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	93
PID 3492 wrote to memory of 220	3492	f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe	93
PID 3464 wrote to memory of 3596	3464	Explorer.EXE	94
PID 3464 wrote to memory of 3596	3464	Explorer.EXE	94
PID 3464 wrote to memory of 3596	3464	Explorer.EXE	94
PID 3596 wrote to memory of 2120	3596	systray.exe	95
PID 3596 wrote to memory of 2120	3596	systray.exe	95
PID 3596 wrote to memory of 2120	3596	systray.exe	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3464
- C:\Users\Admin\AppData\Local\Temp\f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f3becd80be8779dfeb8ca5791f7ffb86_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3492
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HTufYRAKxBK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB292.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3084
- - 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:220
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.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:3596
- - 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:2120

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB292.tmp

Filesize
1KB

MD5
3c1b3cd3d3548bb28b5fb81048bb289a

SHA1
a60e23767ffb42e35f87812553e83eec7d3e0688

SHA256
87c56e08b3236261fc6e990f93c5d2635a7943103b0cba278934991e1c4f732b

SHA512
64ce3d10d801d5ed50cbd64416eafec6537620db6a00f555c8414da74436ee19c18811e67f4d0c76197ba475b965993d83f9d56786fa3ca5d4e2f7ad162f4b86

Download Submit
memory/220-24-0x0000000000AE0000-0x0000000000AF4000-memory.dmp

Filesize
80KB

Download
memory/220-23-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/220-21-0x0000000001020000-0x000000000136A000-memory.dmp

Filesize
3.3MB

Download
memory/220-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3464-36-0x0000000007980000-0x0000000007A52000-memory.dmp

Filesize
840KB

Download
memory/3464-34-0x0000000007980000-0x0000000007A52000-memory.dmp

Filesize
840KB

Download
memory/3464-33-0x0000000007980000-0x0000000007A52000-memory.dmp

Filesize
840KB

Download
memory/3464-29-0x00000000031B0000-0x000000000335B000-memory.dmp

Filesize
1.7MB

Download
memory/3464-25-0x00000000031B0000-0x000000000335B000-memory.dmp

Filesize
1.7MB

Download
memory/3492-6-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/3492-5-0x0000000004D10000-0x0000000004D1A000-memory.dmp

Filesize
40KB

Download
memory/3492-12-0x0000000008530000-0x0000000008566000-memory.dmp

Filesize
216KB

Download
memory/3492-10-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/3492-9-0x000000007536E000-0x000000007536F000-memory.dmp

Filesize
4KB

Download
memory/3492-20-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/3492-8-0x0000000004D30000-0x0000000004D3A000-memory.dmp

Filesize
40KB

Download
memory/3492-7-0x0000000007A00000-0x0000000007A56000-memory.dmp

Filesize
344KB

Download
memory/3492-0-0x000000007536E000-0x000000007536F000-memory.dmp

Filesize
4KB

Download
memory/3492-11-0x00000000084E0000-0x0000000008536000-memory.dmp

Filesize
344KB

Download
memory/3492-1-0x0000000000850000-0x00000000008BE000-memory.dmp

Filesize
440KB

Download
memory/3492-2-0x0000000007790000-0x000000000782C000-memory.dmp

Filesize
624KB

Download
memory/3492-3-0x0000000007DE0000-0x0000000008384000-memory.dmp

Filesize
5.6MB

Download
memory/3492-4-0x0000000007830000-0x00000000078C2000-memory.dmp

Filesize
584KB

Download
memory/3596-28-0x0000000001240000-0x000000000126E000-memory.dmp

Filesize
184KB

Download
memory/3596-27-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

Download
memory/3596-26-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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