formbook | 31c8c2014f2c7d1425741342ba9cc283641764c189e7e18c0caf571728d931c4

Analysis

max time kernel
147s
max time network
137s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-08-2024 21:51

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General

Target

cbbd0d914f1b8fd1852e514a77ae16c5_JaffaCakes118.exe
Size

614KB
MD5

cbbd0d914f1b8fd1852e514a77ae16c5
SHA1

cdcfe3f05d2334b387d9347ad7dd0f7806e497f1
SHA256

31c8c2014f2c7d1425741342ba9cc283641764c189e7e18c0caf571728d931c4
SHA512

d38e0dff68899ec64b1f9b77fd4d57f3b5231e36fc79e2303468089b5011eac3969df4aab9fd18240b1dd0f12091f384eb270539a205edc60a31319e2f2626aa
SSDEEP

12288:51beMP9g/CigiRVZzV1NTY9JNSE++JhIQUaPQWdoC4E40fAgyJ:516qCCsLZzV1C9JlJhJJ4Odf6

Score

10^/10

formbook ej credential_access discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

Decoy

ratnik.online

qqqq5025.com

oliverschmidtleipzig.biz

wallet-service4.com

securityinformation.link

kuaitool.com

chuanyuemeili.com

jetluxurysedansok.live

xn--autodrne-93a.com

ipdzke.men

opebet489.com

defamey.com

switchbank.finance

bplti.info

habomilk.com

onlineprintersupport.info

kansashemporium.com

xnewmovie.info

yuvakarshan.com

camwrshh.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/1308-17-0x0000000000400000-0x000000000042A000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

pid	Process
2924	proj37328.exe
1308	proj37328.exe

Loads dropped DLL 1 IoCs

pid	Process
3036	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\Desktop\\proj37328.exe -boot"	proj37328.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\AJLHZLEH = "C:\\Program Files (x86)\\Ycbc\\services8p2p.exe"	netsh.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2924 set thread context of 1308	2924	proj37328.exe	35
PID 1308 set thread context of 1252	1308	proj37328.exe	20
PID 2352 set thread context of 1252	2352	netsh.exe	20

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Ycbc\services8p2p.exe	netsh.exe

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 6 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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cbbd0d914f1b8fd1852e514a77ae16c5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	proj37328.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2703099537-420551529-3771253338-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	netsh.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
1308	proj37328.exe
1308	proj37328.exe
2352	netsh.exe
2352	netsh.exe
2352	netsh.exe
2352	netsh.exe
2352	netsh.exe
2352	netsh.exe
2352	netsh.exe
2352	netsh.exe
2352	netsh.exe
2352	netsh.exe
2352	netsh.exe
2352	netsh.exe
2352	netsh.exe
2352	netsh.exe
2352	netsh.exe
2352	netsh.exe
2352	netsh.exe
2352	netsh.exe
2352	netsh.exe
2352	netsh.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1308	proj37328.exe
1308	proj37328.exe
1308	proj37328.exe
2352	netsh.exe
2352	netsh.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2324	cbbd0d914f1b8fd1852e514a77ae16c5_JaffaCakes118.exe
Token: SeDebugPrivilege	2924	proj37328.exe
Token: SeDebugPrivilege	1308	proj37328.exe
Token: SeDebugPrivilege	2352	netsh.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1252	Explorer.EXE

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2748	2324	cbbd0d914f1b8fd1852e514a77ae16c5_JaffaCakes118.exe	29
PID 2324 wrote to memory of 2748	2324	cbbd0d914f1b8fd1852e514a77ae16c5_JaffaCakes118.exe	29
PID 2324 wrote to memory of 2748	2324	cbbd0d914f1b8fd1852e514a77ae16c5_JaffaCakes118.exe	29
PID 2324 wrote to memory of 2748	2324	cbbd0d914f1b8fd1852e514a77ae16c5_JaffaCakes118.exe	29
PID 2324 wrote to memory of 3036	2324	cbbd0d914f1b8fd1852e514a77ae16c5_JaffaCakes118.exe	31
PID 2324 wrote to memory of 3036	2324	cbbd0d914f1b8fd1852e514a77ae16c5_JaffaCakes118.exe	31
PID 2324 wrote to memory of 3036	2324	cbbd0d914f1b8fd1852e514a77ae16c5_JaffaCakes118.exe	31
PID 2324 wrote to memory of 3036	2324	cbbd0d914f1b8fd1852e514a77ae16c5_JaffaCakes118.exe	31
PID 3036 wrote to memory of 2924	3036	cmd.exe	33
PID 3036 wrote to memory of 2924	3036	cmd.exe	33
PID 3036 wrote to memory of 2924	3036	cmd.exe	33
PID 3036 wrote to memory of 2924	3036	cmd.exe	33
PID 2924 wrote to memory of 1308	2924	proj37328.exe	35
PID 2924 wrote to memory of 1308	2924	proj37328.exe	35
PID 2924 wrote to memory of 1308	2924	proj37328.exe	35
PID 2924 wrote to memory of 1308	2924	proj37328.exe	35
PID 2924 wrote to memory of 1308	2924	proj37328.exe	35
PID 2924 wrote to memory of 1308	2924	proj37328.exe	35
PID 2924 wrote to memory of 1308	2924	proj37328.exe	35
PID 1252 wrote to memory of 2352	1252	Explorer.EXE	36
PID 1252 wrote to memory of 2352	1252	Explorer.EXE	36
PID 1252 wrote to memory of 2352	1252	Explorer.EXE	36
PID 1252 wrote to memory of 2352	1252	Explorer.EXE	36
PID 2352 wrote to memory of 2140	2352	netsh.exe	37
PID 2352 wrote to memory of 2140	2352	netsh.exe	37
PID 2352 wrote to memory of 2140	2352	netsh.exe	37
PID 2352 wrote to memory of 2140	2352	netsh.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1252
- C:\Users\Admin\AppData\Local\Temp\cbbd0d914f1b8fd1852e514a77ae16c5_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\cbbd0d914f1b8fd1852e514a77ae16c5_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2324
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\cbbd0d914f1b8fd1852e514a77ae16c5_JaffaCakes118.exe" "C:\Users\Admin\Desktop\proj37328.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2748
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\Desktop\proj37328.exe"
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3036
  - - C:\Users\Admin\Desktop\proj37328.exe
      "C:\Users\Admin\Desktop\proj37328.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2924
    - - C:\Users\Admin\Desktop\proj37328.exe
        
        "C:\Users\Admin\Desktop\proj37328.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of AdjustPrivilegeToken
        
        PID:1308
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\SysWOW64\netsh.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2352
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\Desktop\proj37328.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2140

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

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

\Users\Admin\Desktop\proj37328.exe

Filesize
614KB

MD5
cbbd0d914f1b8fd1852e514a77ae16c5

SHA1
cdcfe3f05d2334b387d9347ad7dd0f7806e497f1

SHA256
31c8c2014f2c7d1425741342ba9cc283641764c189e7e18c0caf571728d931c4

SHA512
d38e0dff68899ec64b1f9b77fd4d57f3b5231e36fc79e2303468089b5011eac3969df4aab9fd18240b1dd0f12091f384eb270539a205edc60a31319e2f2626aa

Download Submit
memory/1252-21-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1252-23-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1252-25-0x00000000082F0000-0x0000000008444000-memory.dmp

Filesize
1.3MB

Download
memory/1308-17-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2324-6-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2324-5-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/2324-4-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2324-0-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/2324-12-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2324-3-0x0000000000230000-0x0000000000250000-memory.dmp

Filesize
128KB

Download
memory/2324-2-0x00000000007B0000-0x0000000000810000-memory.dmp

Filesize
384KB

Download
memory/2324-1-0x0000000000260000-0x0000000000302000-memory.dmp

Filesize
648KB

Download
memory/2352-22-0x0000000001160000-0x000000000117B000-memory.dmp

Filesize
108KB

Download
memory/2924-13-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2924-19-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2924-16-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2924-15-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2924-14-0x0000000000E40000-0x0000000000EE2000-memory.dmp

Filesize
648KB

Download