formbook | 95ead5f59742715dfe3b73aefd02cc41c778bdef63262431ea39188d269754fc

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2024 11:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

943dd70ae7ea579feea9d9bef3c30224_JaffaCakes118.exe
Size

2.9MB
MD5

943dd70ae7ea579feea9d9bef3c30224
SHA1

3ddf2c1a0a3f8117f040340aaa4e412af52effd0
SHA256

95ead5f59742715dfe3b73aefd02cc41c778bdef63262431ea39188d269754fc
SHA512

8fefc4dc2c4467a3b75cd59066e965c16b0f9ed1f3343f850d4442ce02120aab7c77eda580dd98b1fabf87a0531eab5eeb73dba9e10af246eb1b52bfdb2cb250
SSDEEP

49152:0GBzABJzYm4/PPp5TIW6zerkrGXT7bD3qoebj6RTRXzJ3GniT/cieat3KltJTD5+:GJzYmGHvTcerk8/H3/eAXzJ3kUkbm6na

Score

10^/10

formbook 23v discovery persistence rat spyware stealer trojan upx

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

23v

Decoy

1l4m-5qeh0cgx9a.com

portsel.com

vypnxg.men

renrenbaoshangcheng.com

hulebang.com

heatburnio.com

amazingthunderworks.com

quantumreapers.com

8801i.info

moonlightmanager.com

bqypm.info

backlinkbarato.com

jiudianhuixun.com

markerbio.net

empety.com

eternalkollection.com

teknoshift.com

petitenobel.net

zlmqv.info

emotionalcontrols.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

Processes:

resource	yara_rule
behavioral2/memory/3148-9-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral2/memory/3148-14-0x0000000000400000-0x000000000042A000-memory.dmp	formbook

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\XLLPILAX8PX = "C:\\Program Files (x86)\\Cpro\\xnd8ftbpaz70mb.exe"	wscript.exe

Executes dropped EXE 2 IoCs

Processes:

test.exetest.exe

pid	Process
1748	test.exe
3148	test.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Suspicious use of SetThreadContext 3 IoCs

Processes:

test.exetest.exewscript.exe

description	pid	Process	procid_target
PID 1748 set thread context of 3148	1748	test.exe	85
PID 3148 set thread context of 3432	3148	test.exe	56
PID 1056 set thread context of 3432	1056	wscript.exe	56

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/4756-0-0x0000000000400000-0x0000000000A23000-memory.dmp	upx
behavioral2/memory/4756-12-0x0000000000400000-0x0000000000A23000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

Processes:

wscript.exe

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Cpro\xnd8ftbpaz70mb.exe	wscript.exe

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

Processes:

cmd.exetest.exewscript.execmd.execmd.exe943dd70ae7ea579feea9d9bef3c30224_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	test.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wscript.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	943dd70ae7ea579feea9d9bef3c30224_JaffaCakes118.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	Process
Key created	\Registry\User\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wscript.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

test.exetest.exewscript.exe

pid	Process
1748	test.exe
1748	test.exe
3148	test.exe
3148	test.exe
3148	test.exe
3148	test.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe
1056	wscript.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

test.exetest.exewscript.exe

pid	Process
1748	test.exe
3148	test.exe
3148	test.exe
3148	test.exe
1056	wscript.exe
1056	wscript.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

test.exeExplorer.EXEwscript.exe

description	pid	Process
Token: SeDebugPrivilege	3148	test.exe
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeDebugPrivilege	1056	wscript.exe
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

943dd70ae7ea579feea9d9bef3c30224_JaffaCakes118.execmd.exetest.exeExplorer.EXEwscript.exe

description	pid	Process	procid_target
PID 4756 wrote to memory of 1020	4756	943dd70ae7ea579feea9d9bef3c30224_JaffaCakes118.exe	83
PID 4756 wrote to memory of 1020	4756	943dd70ae7ea579feea9d9bef3c30224_JaffaCakes118.exe	83
PID 4756 wrote to memory of 1020	4756	943dd70ae7ea579feea9d9bef3c30224_JaffaCakes118.exe	83
PID 1020 wrote to memory of 1748	1020	cmd.exe	84
PID 1020 wrote to memory of 1748	1020	cmd.exe	84
PID 1020 wrote to memory of 1748	1020	cmd.exe	84
PID 1748 wrote to memory of 3148	1748	test.exe	85
PID 1748 wrote to memory of 3148	1748	test.exe	85
PID 1748 wrote to memory of 3148	1748	test.exe	85
PID 3432 wrote to memory of 1056	3432	Explorer.EXE	86
PID 3432 wrote to memory of 1056	3432	Explorer.EXE	86
PID 3432 wrote to memory of 1056	3432	Explorer.EXE	86
PID 1056 wrote to memory of 1556	1056	wscript.exe	91
PID 1056 wrote to memory of 1556	1056	wscript.exe	91
PID 1056 wrote to memory of 1556	1056	wscript.exe	91
PID 1056 wrote to memory of 972	1056	wscript.exe	98
PID 1056 wrote to memory of 972	1056	wscript.exe	98
PID 1056 wrote to memory of 972	1056	wscript.exe	98

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	wscript.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3432
- C:\Users\Admin\AppData\Local\Temp\943dd70ae7ea579feea9d9bef3c30224_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\943dd70ae7ea579feea9d9bef3c30224_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4756
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c test.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1020
  - - C:\Users\Admin\AppData\Local\Temp\test.exe
      test.exe
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of WriteProcessMemory
      PID:1748
    - - C:\Users\Admin\AppData\Local\Temp\test.exe
        
        test.exe
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of AdjustPrivilegeToken
        
        PID:3148
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.exe"
  2⤵
  - Adds policy 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
  - System policy modification
  PID:1056
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\test.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1556
- - C:\Windows\SysWOW64\cmd.exe
    /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
    3⤵
    - System Location Discovery: System Language Discovery
    PID:972

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\DB1

Filesize
40KB

MD5
a182561a527f929489bf4b8f74f65cd7

SHA1
8cd6866594759711ea1836e86a5b7ca64ee8911f

SHA256
42aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914

SHA512
9bc3bf5a82f6f057e873adebd5b7a4c64adef966537ab9c565fe7c4bb3582e2e485ff993d5ab8a6002363231958fabd0933b48811371b8c155eaa74592b66558

Download Submit
C:\Users\Admin\AppData\Local\Temp\test.exe

Filesize
741KB

MD5
b47b06cff1d60c9de49274c25985ba4d

SHA1
d0a7f22d8394fdaf2c2eec1a75e574ceefbbb7bc

SHA256
1b6ec9f600599ce745b4de12b0c8c28425b03b71ccaeb2bd0178ddc374e623b5

SHA512
6f21daaaa733c6d44cf28f7753495701f866aa45c4a47249ee09d92505114db0674997033e7350a61273ebaf4adb7149c08d50b146699020f568a53e00f6077a

Download Submit
C:\Users\Admin\AppData\Roaming\8LNO-92F\8LNlogim.jpeg

Filesize
84KB

MD5
87c6067589a74f5d97cf8d2366c86032

SHA1
7659f8aa058694cbf1f91612be633435b4243e5e

SHA256
f2116bdde1e99eb81c170e2cfa076ba2955aef65a55aff8d4ad19e519004cacb

SHA512
bc0141b8d888accb87543cb4390c048ffa11ca164ee8a6147dadad38724d6303feef061940c999de23e7cf0bc6f686711da9c6ddb6194bafe54757b01bfc13f7

Download Submit
C:\Users\Admin\AppData\Roaming\8LNO-92F\8LNlogrg.ini

Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\8LNO-92F\8LNlogri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\8LNO-92F\8LNlogrv.ini

Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/1056-19-0x0000000000F60000-0x0000000000F87000-memory.dmp

Filesize
156KB

Download
memory/1056-18-0x0000000000F60000-0x0000000000F87000-memory.dmp

Filesize
156KB

Download
memory/1748-8-0x0000000002380000-0x000000000238D000-memory.dmp

Filesize
52KB

Download
memory/1748-10-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/1748-5-0x0000000002360000-0x0000000002361000-memory.dmp

Filesize
4KB

Download
memory/3148-14-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3148-16-0x0000000000430000-0x00000000004F9000-memory.dmp

Filesize
804KB

Download
memory/3148-9-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3432-15-0x0000000008250000-0x0000000008378000-memory.dmp

Filesize
1.2MB

Download
memory/3432-20-0x0000000008250000-0x0000000008378000-memory.dmp

Filesize
1.2MB

Download
memory/3432-23-0x0000000008740000-0x000000000886E000-memory.dmp

Filesize
1.2MB

Download
memory/3432-25-0x0000000008740000-0x000000000886E000-memory.dmp

Filesize
1.2MB

Download
memory/3432-26-0x0000000008740000-0x000000000886E000-memory.dmp

Filesize
1.2MB

Download
memory/4756-12-0x0000000000400000-0x0000000000A23000-memory.dmp

Filesize
6.1MB

Download
memory/4756-0-0x0000000000400000-0x0000000000A23000-memory.dmp

Filesize
6.1MB

Download