formbook | bae32b579c2bb3d0f49b9fefabd433b5cfa3a398bd9f49b675fc628a352eeb44

Analysis

max time kernel
149s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-11-2024 03:50

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General

Target

aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe
Size

421KB
MD5

aeb64eb2a6f01a3102aa9b4d8e6ec148
SHA1

c3841970b7fd0e3cb1deb6422423d3a86da793f0
SHA256

bae32b579c2bb3d0f49b9fefabd433b5cfa3a398bd9f49b675fc628a352eeb44
SHA512

aa74a13b01084c7175c179f823b9e35f6688a7bb5dfc320ca4c054139e9eb2c3cabc08fee60853899c03997dd6c295619f0427523afdbf979897db1ab7ec2f10
SSDEEP

6144:0qWlspsQw0xAcNMoFE9yaUThi3vpV7KyQiMDga0O3kRDpqpF24BwOjx5heO:HWlDl0UqXc7KyUDN0UYDpQFz3jxv

Score

10^/10

formbook cg53 discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cg53

Decoy

sugarlushcosmetic.com

a2net.info

ximakaya.com

thevochick.com

khafto.com

zsgpbgsbh.icu

psm-gen.com

jhxhotei.com

7991899.com

nda.today

fourseasonsvanlines.com

splediferous.info

thesqlgoth.com

newpathequine.com

advan.digital

skamanderboats.com

thejnit.com

pardusarms.net

mevasoluciones.com

biggdogg5n2.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/10236-2185-0x0000000000400000-0x0000000000433000-memory.dmp	formbook
behavioral1/files/0x0007000000017546-2197.dat	formbook

Executes dropped EXE 2 IoCs

pid	Process
2120	FB_90EA.tmp.exe
3024	FB_9139.tmp.exe

Loads dropped DLL 4 IoCs

pid	Process
10236	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe
10236	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe
10236	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe
10236	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\paint = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\paint\\paint.exe\""	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1924 set thread context of 10236	1924	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe	32
PID 3024 set thread context of 1208	3024	FB_9139.tmp.exe	21
PID 3024 set thread context of 1208	3024	FB_9139.tmp.exe	21
PID 1920 set thread context of 1208	1920	NETSTAT.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 5 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	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FB_9139.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
1920	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
1924	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe
1924	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe
1924	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe
1924	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe
1924	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe
1924	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe
3024	FB_9139.tmp.exe
3024	FB_9139.tmp.exe
3024	FB_9139.tmp.exe
1920	NETSTAT.EXE
1920	NETSTAT.EXE
1920	NETSTAT.EXE
1920	NETSTAT.EXE
1920	NETSTAT.EXE
1920	NETSTAT.EXE
1920	NETSTAT.EXE
1920	NETSTAT.EXE
1920	NETSTAT.EXE
1920	NETSTAT.EXE
1920	NETSTAT.EXE
1920	NETSTAT.EXE
1920	NETSTAT.EXE
1920	NETSTAT.EXE
1920	NETSTAT.EXE
1920	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3024	FB_9139.tmp.exe
3024	FB_9139.tmp.exe
3024	FB_9139.tmp.exe
3024	FB_9139.tmp.exe
1920	NETSTAT.EXE
1920	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1924	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe
Token: SeDebugPrivilege	3024	FB_9139.tmp.exe
Token: SeDebugPrivilege	1920	NETSTAT.EXE

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 10228	1924	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe	31
PID 1924 wrote to memory of 10228	1924	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe	31
PID 1924 wrote to memory of 10228	1924	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe	31
PID 1924 wrote to memory of 10228	1924	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe	31
PID 1924 wrote to memory of 10236	1924	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe	32
PID 1924 wrote to memory of 10236	1924	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe	32
PID 1924 wrote to memory of 10236	1924	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe	32
PID 1924 wrote to memory of 10236	1924	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe	32
PID 1924 wrote to memory of 10236	1924	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe	32
PID 1924 wrote to memory of 10236	1924	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe	32
PID 1924 wrote to memory of 10236	1924	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe	32
PID 1924 wrote to memory of 10236	1924	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe	32
PID 1924 wrote to memory of 10236	1924	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe	32
PID 1924 wrote to memory of 10236	1924	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe	32
PID 10236 wrote to memory of 2120	10236	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe	33
PID 10236 wrote to memory of 2120	10236	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe	33
PID 10236 wrote to memory of 2120	10236	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe	33
PID 10236 wrote to memory of 2120	10236	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe	33
PID 10236 wrote to memory of 3024	10236	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe	34
PID 10236 wrote to memory of 3024	10236	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe	34
PID 10236 wrote to memory of 3024	10236	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe	34
PID 10236 wrote to memory of 3024	10236	aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe	34
PID 3024 wrote to memory of 1920	3024	FB_9139.tmp.exe	35
PID 3024 wrote to memory of 1920	3024	FB_9139.tmp.exe	35
PID 3024 wrote to memory of 1920	3024	FB_9139.tmp.exe	35
PID 3024 wrote to memory of 1920	3024	FB_9139.tmp.exe	35
PID 1920 wrote to memory of 3008	1920	NETSTAT.EXE	36
PID 1920 wrote to memory of 3008	1920	NETSTAT.EXE	36
PID 1920 wrote to memory of 3008	1920	NETSTAT.EXE	36
PID 1920 wrote to memory of 3008	1920	NETSTAT.EXE	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1924
- - C:\Users\Admin\AppData\Local\Temp\aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe
    C:\Users\Admin\AppData\Local\Temp\aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe
    3⤵
    PID:10228
- - C:\Users\Admin\AppData\Local\Temp\aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe
    C:\Users\Admin\AppData\Local\Temp\aeb64eb2a6f01a3102aa9b4d8e6ec148_JaffaCakes118.exe
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:10236
  - - C:\Users\Admin\AppData\Local\Temp\FB_90EA.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\FB_90EA.tmp.exe"
      4⤵
      Executes dropped EXE
      PID:2120
  - - C:\Users\Admin\AppData\Local\Temp\FB_9139.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\FB_9139.tmp.exe"
      4⤵
      Executes dropped EXE
      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:3024
    - - C:\Windows\SysWOW64\NETSTAT.EXE
        
        "C:\Windows\SysWOW64\NETSTAT.EXE"
        5⤵
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Gathers network information
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:1920
      - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\FB_9139.tmp.exe"
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:3008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\FB_90EA.tmp.exe

Filesize
3KB

MD5
74bafb3e707c7b0c63938ac200f99c7f

SHA1
10c5506337845ed9bf25c73d2506f9c15ab8e608

SHA256
129450ba06ad589cf6846a455a5b6b5f55e164ee4906e409eb692ab465269689

SHA512
5b24dc5acd14f812658e832b587b60695fb16954fca006c2c3a7382ef0ec65c3bd1aaf699425c49ff3cceef16869e75dd6f00ec189b9f673f08f7e1b80cf7781

Download Submit
\Users\Admin\AppData\Local\Temp\FB_9139.tmp.exe

Filesize
182KB

MD5
48ece2ca39a9eae7fced7418cf071d46

SHA1
7570995cbf699088a8f208015cb2c92be5bc837a

SHA256
4119b29bc938578d5d243db714d0619228d37c10ccaa52925f9e81a410720d59

SHA512
e897fded4b643054796e410cadcc348c1215c934fe70f5407e36e9f10e59e2b10b7edcbb99d746709aef8ff498d98d848ada90fb477ea732a128ee138ed0fd3b

Download Submit
memory/1924-43-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-5-0x0000000001EC0000-0x0000000001F26000-memory.dmp

Filesize
408KB

Download
memory/1924-4-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/1924-41-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-6-0x0000000001F70000-0x0000000001FD6000-memory.dmp

Filesize
408KB

Download
memory/1924-7-0x0000000004E60000-0x0000000004ECE000-memory.dmp

Filesize
440KB

Download
memory/1924-47-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-45-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-71-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-69-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-0-0x00000000740CE000-0x00000000740CF000-memory.dmp

Filesize
4KB

Download
memory/1924-65-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-39-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-61-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-59-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-57-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-55-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-53-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-51-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-49-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-67-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-3-0x00000000740CE000-0x00000000740CF000-memory.dmp

Filesize
4KB

Download
memory/1924-63-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-37-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-35-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-33-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-31-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-29-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-27-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-25-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-23-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-21-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-19-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-17-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-15-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-13-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-11-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-9-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-8-0x0000000004E60000-0x0000000004EC9000-memory.dmp

Filesize
420KB

Download
memory/1924-1-0x00000000009E0000-0x0000000000A50000-memory.dmp

Filesize
448KB

Download
memory/1924-2186-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/1924-2-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/3024-2204-0x00000000007A0000-0x0000000000AA3000-memory.dmp

Filesize
3.0MB

Download
memory/10236-2185-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download