formbook | c74a1ee1bb642221d811a5c617c175c09bca2cf5d6937f7981b9825eab5ef127

General

Target

98b7b0e6a8b0364de5fe1ba86b7c6bfd_JaffaCakes118.exe
Size

363KB
MD5

98b7b0e6a8b0364de5fe1ba86b7c6bfd
SHA1

762bb698218c43e1aa722cb518e542184d439093
SHA256

c74a1ee1bb642221d811a5c617c175c09bca2cf5d6937f7981b9825eab5ef127
SHA512

e21731fb5edda7567fb3acbf4ed43176e768c309cde67b48b9c13942f77d3c91b635463c795d6fca00f8589436bf9bc1287e2ffa8a4176805a05a6ae5776b878
SSDEEP

6144:fKCmflvhYuh+7ddSZkaNGRkVpidh1XlL8BW48UWSFltIkb3IpWiAjT:fKCmNvhYuh+7+ZIRkV2tlyWaWSHp3I8b

Score

10^/10

formbook dd2v discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dd2v

Decoy

jkrqzmeyd.icu

cbluedottvwdshop.com

yhchen.space

premierhealthnwellness.com

szkuyaju.com

harvestmoonloans.net

dadematerial.com

mariaclarahairstudio.com

hwunvy.online

puloutjbmere.com

kossu1989.com

dubbedos.com

ncylis.com

hybrid-sol.com

travelature.com

gracefulcounts.com

66secretgarden.com

eslonyourcell.com

wisersponsorship.com

sepn3.com

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/1012-4-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1012-7-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1640 set thread context of 1012	1640	98b7b0e6a8b0364de5fe1ba86b7c6bfd_JaffaCakes118.exe	31
PID 1012 set thread context of 1108	1012	svchost.exe	20
PID 2548 set thread context of 1108	2548	systray.exe	20

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	98b7b0e6a8b0364de5fe1ba86b7c6bfd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	systray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1012	svchost.exe
1012	svchost.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe
2548	systray.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1640	98b7b0e6a8b0364de5fe1ba86b7c6bfd_JaffaCakes118.exe
1012	svchost.exe
1012	svchost.exe
1012	svchost.exe
2548	systray.exe
2548	systray.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1012	svchost.exe
Token: SeDebugPrivilege	2548	systray.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 1012	1640	98b7b0e6a8b0364de5fe1ba86b7c6bfd_JaffaCakes118.exe	31
PID 1640 wrote to memory of 1012	1640	98b7b0e6a8b0364de5fe1ba86b7c6bfd_JaffaCakes118.exe	31
PID 1640 wrote to memory of 1012	1640	98b7b0e6a8b0364de5fe1ba86b7c6bfd_JaffaCakes118.exe	31
PID 1640 wrote to memory of 1012	1640	98b7b0e6a8b0364de5fe1ba86b7c6bfd_JaffaCakes118.exe	31
PID 1640 wrote to memory of 1012	1640	98b7b0e6a8b0364de5fe1ba86b7c6bfd_JaffaCakes118.exe	31
PID 1108 wrote to memory of 2548	1108	Explorer.EXE	32
PID 1108 wrote to memory of 2548	1108	Explorer.EXE	32
PID 1108 wrote to memory of 2548	1108	Explorer.EXE	32
PID 1108 wrote to memory of 2548	1108	Explorer.EXE	32
PID 2548 wrote to memory of 2352	2548	systray.exe	33
PID 2548 wrote to memory of 2352	2548	systray.exe	33
PID 2548 wrote to memory of 2352	2548	systray.exe	33
PID 2548 wrote to memory of 2352	2548	systray.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1108
- C:\Users\Admin\AppData\Local\Temp\98b7b0e6a8b0364de5fe1ba86b7c6bfd_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\98b7b0e6a8b0364de5fe1ba86b7c6bfd_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1640
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\98b7b0e6a8b0364de5fe1ba86b7c6bfd_JaffaCakes118.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1012
- 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:2548
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2352

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

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Downloads

memory/1012-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1012-8-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/1012-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1012-5-0x00000000008F0000-0x0000000000BF3000-memory.dmp

Filesize
3.0MB

Download
memory/1108-9-0x0000000007690000-0x0000000007837000-memory.dmp

Filesize
1.7MB

Download
memory/1108-12-0x0000000007690000-0x0000000007837000-memory.dmp

Filesize
1.7MB

Download
memory/1108-17-0x00000000041D0000-0x000000000426F000-memory.dmp

Filesize
636KB

Download
memory/1108-18-0x00000000041D0000-0x000000000426F000-memory.dmp

Filesize
636KB

Download
memory/1108-20-0x00000000041D0000-0x000000000426F000-memory.dmp

Filesize
636KB

Download
memory/1640-2-0x0000000000090000-0x0000000000092000-memory.dmp

Filesize
8KB

Download
memory/1640-1-0x0000000000190000-0x0000000000290000-memory.dmp

Filesize
1024KB

Download
memory/2548-11-0x0000000000040000-0x0000000000045000-memory.dmp

Filesize
20KB

Download
memory/2548-10-0x0000000000040000-0x0000000000045000-memory.dmp

Filesize
20KB

Download

Analysis

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