formbook | d451f6bc38ae71eccde50310507a91527714d64bec4aa4cdba613983a75145e1

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 11:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

671c2e2710c301a026919308026c7865_JaffaCakes118.exe
Size

396KB
MD5

671c2e2710c301a026919308026c7865
SHA1

2b36ae436a477b786d336ecdb36965d0c745843e
SHA256

d451f6bc38ae71eccde50310507a91527714d64bec4aa4cdba613983a75145e1
SHA512

3296dcc9aca95c774eeb4767d7e6665b09ce954f0745cd6d0e020fb3e2eb72f0659488ed9824dd489f7a83326cdf897b9d7ff9f331a9e8b9c8fe8a8d209e7595
SSDEEP

12288:SESMBSEogkFvySfgX5LTzoa61+fn+8ix8SQfBItW:SESMZgvPWUU0x836tW

Score

10^/10

formbook a8c rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

a8c

Decoy

kesslergroupinternational.net

elcarretazo.com

livbim.info

thamxop.net

abitur.expert

cidavidjoy.com

digitalkarwaan.com

hcave.com

foundbyjack.com

servicarpasjc.com

giaotrinh24h.com

ladasno.com

harrisxn.com

bestbtccasinos.info

australianflying.com

louboutinshoes.site

taohaomi.net

s5league-europe.com

lizhongysw.com

imizuspotsboxboxinggym.com

Signatures

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

Formbook payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/304-61-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral1/memory/304-65-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral1/memory/304-70-0x0000000000400000-0x000000000042A000-memory.dmp	formbook

Executes dropped EXE 1 IoCs

Processes:

boondocks.exe

pid process

2712 boondocks.exe
Loads dropped DLL 3 IoCs

Processes:

671c2e2710c301a026919308026c7865_JaffaCakes118.exeboondocks.exe

pid process

2172 671c2e2710c301a026919308026c7865_JaffaCakes118.exe
2172 671c2e2710c301a026919308026c7865_JaffaCakes118.exe
2712 boondocks.exe

pid	process
2172	671c2e2710c301a026919308026c7865_JaffaCakes118.exe
2172	671c2e2710c301a026919308026c7865_JaffaCakes118.exe
2712	boondocks.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

cmd.execmstp.exe

description	pid	process	target process
PID 304 set thread context of 1212	304	cmd.exe	Explorer.EXE
PID 304 set thread context of 1212	304	cmd.exe	Explorer.EXE
PID 2960 set thread context of 1212	2960	cmstp.exe	Explorer.EXE

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

System Information Discovery
T1082

Modifies registry class 5 IoCs

Processes:

671c2e2710c301a026919308026c7865_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VLC	671c2e2710c301a026919308026c7865_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VLC\shell\ = "Play"	671c2e2710c301a026919308026c7865_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VLC.CDAudio\DefaultIcon	671c2e2710c301a026919308026c7865_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VLC.CDAudio\DefaultIcon\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\vlc.exe\",0"	671c2e2710c301a026919308026c7865_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VLC\shell	671c2e2710c301a026919308026c7865_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

boondocks.execmd.execmstp.exe

pid	process
2712	boondocks.exe
304	cmd.exe
304	cmd.exe
304	cmd.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe
2960	cmstp.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

boondocks.execmd.execmstp.exe

pid process

2712 boondocks.exe
304 cmd.exe
304 cmd.exe
304 cmd.exe
304 cmd.exe
2960 cmstp.exe
2960 cmstp.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

cmd.execmstp.exe

description pid process

Token: SeDebugPrivilege 304 cmd.exe
Token: SeDebugPrivilege 2960 cmstp.exe

description	pid	process
Token: SeDebugPrivilege	304	cmd.exe
Token: SeDebugPrivilege	2960	cmstp.exe

Suspicious use of WriteProcessMemory 55 IoCs

Processes:

671c2e2710c301a026919308026c7865_JaffaCakes118.exeboondocks.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 2172 wrote to memory of 2712	2172	671c2e2710c301a026919308026c7865_JaffaCakes118.exe	boondocks.exe
PID 2172 wrote to memory of 2712	2172	671c2e2710c301a026919308026c7865_JaffaCakes118.exe	boondocks.exe
PID 2172 wrote to memory of 2712	2172	671c2e2710c301a026919308026c7865_JaffaCakes118.exe	boondocks.exe
PID 2172 wrote to memory of 2712	2172	671c2e2710c301a026919308026c7865_JaffaCakes118.exe	boondocks.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 2712 wrote to memory of 304	2712	boondocks.exe	cmd.exe
PID 1212 wrote to memory of 2960	1212	Explorer.EXE	cmstp.exe
PID 1212 wrote to memory of 2960	1212	Explorer.EXE	cmstp.exe
PID 1212 wrote to memory of 2960	1212	Explorer.EXE	cmstp.exe
PID 1212 wrote to memory of 2960	1212	Explorer.EXE	cmstp.exe
PID 1212 wrote to memory of 2960	1212	Explorer.EXE	cmstp.exe
PID 1212 wrote to memory of 2960	1212	Explorer.EXE	cmstp.exe
PID 1212 wrote to memory of 2960	1212	Explorer.EXE	cmstp.exe
PID 2960 wrote to memory of 1628	2960	cmstp.exe	cmd.exe
PID 2960 wrote to memory of 1628	2960	cmstp.exe	cmd.exe
PID 2960 wrote to memory of 1628	2960	cmstp.exe	cmd.exe
PID 2960 wrote to memory of 1628	2960	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Users\Admin\AppData\Local\Temp\671c2e2710c301a026919308026c7865_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\671c2e2710c301a026919308026c7865_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2172
- - C:\Users\Admin\AppData\Local\Temp\boondocks.exe
    C:\Users\Admin\AppData\Local\Temp\boondocks.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2712
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe"
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:304
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2960
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\cmd.exe"
    3⤵
    PID:1628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Kinematograph.DLL

Filesize
68KB

MD5
691ec4e437e2d8d03f7994757ecb37fd

SHA1
1d0569a79e78e17d16a2a1521c1cae9660d5aa4b

SHA256
14254882a6ca827e5107a6b0c91e7e58c50a42578e901b9aa0c3bcfd167618f6

SHA512
07850678b8157178987352ccbe4ba5caea7c46fb0927cf7f5a500c67916357861f1d85cfd2d9d83523d783d3d85684daf872eb0119b6081532ef9c5d2c95ea64

Download Submit
C:\Users\Admin\AppData\Local\Temp\Kudzu

Filesize
237KB

MD5
337d6e2237e91da268a1d566a485fb3f

SHA1
72b0fd5e68540d0c4eb1d42c6bf6d3c428bfad73

SHA256
9e291aa0ac27bba51166095be1f04e21c2f117e764839e6b899bb636ca323cb7

SHA512
39ea4520984ad9801ea02850c016403c3955af757b70b35561dedb0a51dcb0f90988329dbffbce84b02003e97e86bde43ae78df180695827017bdd17017c2f6d

Download Submit
\Users\Admin\AppData\Local\Temp\boondocks.exe

Filesize
48KB

MD5
f2c010efa41b7f7964f3f7c33d274d2c

SHA1
0fa34299cf3cae1f97ce61616481b268fc2d61a4

SHA256
1c79fad4da54e50dc05a2ef8b04e650e02dd9e42188aadfd834e64e85c693af0

SHA512
722a515ebbba7d381b3630f4696352377274a02e804e465900eaad32099c57ce89fb9703444372ac5c97f75ca387e906cd51000ed3aa1fa85606024e41eac3ae

Download Submit
memory/304-71-0x00000000023D0000-0x00000000023E4000-memory.dmp

Filesize
80KB

Download
memory/304-64-0x0000000002250000-0x0000000002264000-memory.dmp

Filesize
80KB

Download
memory/304-70-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/304-58-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/304-61-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/304-65-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/304-63-0x0000000003380000-0x0000000003683000-memory.dmp

Filesize
3.0MB

Download
memory/1212-67-0x0000000005070000-0x0000000005199000-memory.dmp

Filesize
1.2MB

Download
memory/1212-66-0x00000000031D0000-0x00000000032D0000-memory.dmp

Filesize
1024KB

Download
memory/1212-72-0x0000000004A90000-0x0000000004B8A000-memory.dmp

Filesize
1000KB

Download
memory/1212-78-0x0000000005070000-0x0000000005199000-memory.dmp

Filesize
1.2MB

Download
memory/1212-80-0x0000000004A90000-0x0000000004B8A000-memory.dmp

Filesize
1000KB

Download
memory/2712-51-0x0000000000250000-0x000000000025C000-memory.dmp

Filesize
48KB

Download
memory/2712-57-0x0000000075BD0000-0x0000000075C05000-memory.dmp

Filesize
212KB

Download
memory/2712-50-0x0000000000030000-0x0000000000032000-memory.dmp

Filesize
8KB

Download
memory/2960-73-0x0000000000B70000-0x0000000000B88000-memory.dmp

Filesize
96KB

Download
memory/2960-75-0x0000000000B70000-0x0000000000B88000-memory.dmp

Filesize
96KB

Download