formbook | d3a270f55d00796bc80858cfc07ee26458aa7f022664f8327b80a41adf900454

Analysis

max time kernel
148s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15-04-2024 18:27

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General

Target

f1b2c6c5ffb50b2f766def07f2bbc9f6_JaffaCakes118.exe
Size

483KB
MD5

f1b2c6c5ffb50b2f766def07f2bbc9f6
SHA1

b41d589af7dcabab0010ad37616c8edf44af8675
SHA256

d3a270f55d00796bc80858cfc07ee26458aa7f022664f8327b80a41adf900454
SHA512

a3682b6345f0f8eff28ab2caa124a87ac10592bdbdf5c4d5cc8bddab06d873a5c13dabbc8146d1c24a6e7454b396dc3539488ea2e39df209097b35abd13ab9ff
SSDEEP

6144:ZIFhuSYWFYgrKsUc3y2WnO1xzcWmZXe2rkwnbo60T21BOcCSrYDEgfje5ig1ef9p:Uh8Mz+sv3y2N1xzAZprkmuN/SD5iKefT

Score

10^/10

formbook ow persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

Decoy

piavecaffe.com

jlxkqg.men

lifesavingfoundation.net

karadasama.net

michaeltraolach-macsweeney.com

thunderwatches.com

serviciocasawhirlpool.biz

c-cap.online

itparksolution.com

clarityhearingkw.com

wpgrosiri.date

colemarshalcambell.com

webperffest.com

adjusterforirma.info

buildersqq.com

spiritualwisdominindia.com

111222333.net

traditionalarabicdishes.com

hmlifi.com

receive-our-info-heredaily.info

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2388-27-0x0000000000080000-0x00000000000AA000-memory.dmp	formbook
behavioral1/memory/2388-31-0x0000000000080000-0x00000000000AA000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

pid	Process
2496	syscheck.exe
2388	syscheck.exe

Loads dropped DLL 2 IoCs

pid	Process
2412	cmd.exe
2496	syscheck.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-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\sysnet = "C:\\Users\\Admin\\AppData\\Local\\syscheck.exe -boot"	syscheck.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2496 set thread context of 2388	2496	syscheck.exe	35
PID 2388 set thread context of 1360	2388	syscheck.exe	21

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1176	1388	WerFault.exe	36

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2388	syscheck.exe
2388	syscheck.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2388	syscheck.exe
2388	syscheck.exe
2388	syscheck.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2500	f1b2c6c5ffb50b2f766def07f2bbc9f6_JaffaCakes118.exe
Token: SeDebugPrivilege	2496	syscheck.exe
Token: SeDebugPrivilege	2388	syscheck.exe
Token: SeShutdownPrivilege	1360	Explorer.EXE

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 3060	2500	f1b2c6c5ffb50b2f766def07f2bbc9f6_JaffaCakes118.exe	28
PID 2500 wrote to memory of 3060	2500	f1b2c6c5ffb50b2f766def07f2bbc9f6_JaffaCakes118.exe	28
PID 2500 wrote to memory of 3060	2500	f1b2c6c5ffb50b2f766def07f2bbc9f6_JaffaCakes118.exe	28
PID 2500 wrote to memory of 3060	2500	f1b2c6c5ffb50b2f766def07f2bbc9f6_JaffaCakes118.exe	28
PID 2500 wrote to memory of 2412	2500	f1b2c6c5ffb50b2f766def07f2bbc9f6_JaffaCakes118.exe	32
PID 2500 wrote to memory of 2412	2500	f1b2c6c5ffb50b2f766def07f2bbc9f6_JaffaCakes118.exe	32
PID 2500 wrote to memory of 2412	2500	f1b2c6c5ffb50b2f766def07f2bbc9f6_JaffaCakes118.exe	32
PID 2500 wrote to memory of 2412	2500	f1b2c6c5ffb50b2f766def07f2bbc9f6_JaffaCakes118.exe	32
PID 2412 wrote to memory of 2496	2412	cmd.exe	34
PID 2412 wrote to memory of 2496	2412	cmd.exe	34
PID 2412 wrote to memory of 2496	2412	cmd.exe	34
PID 2412 wrote to memory of 2496	2412	cmd.exe	34
PID 2496 wrote to memory of 2388	2496	syscheck.exe	35
PID 2496 wrote to memory of 2388	2496	syscheck.exe	35
PID 2496 wrote to memory of 2388	2496	syscheck.exe	35
PID 2496 wrote to memory of 2388	2496	syscheck.exe	35
PID 2496 wrote to memory of 2388	2496	syscheck.exe	35
PID 2496 wrote to memory of 2388	2496	syscheck.exe	35
PID 2496 wrote to memory of 2388	2496	syscheck.exe	35
PID 1360 wrote to memory of 1388	1360	Explorer.EXE	36
PID 1360 wrote to memory of 1388	1360	Explorer.EXE	36
PID 1360 wrote to memory of 1388	1360	Explorer.EXE	36
PID 1360 wrote to memory of 1388	1360	Explorer.EXE	36
PID 1360 wrote to memory of 1388	1360	Explorer.EXE	36
PID 1360 wrote to memory of 1388	1360	Explorer.EXE	36
PID 1360 wrote to memory of 1388	1360	Explorer.EXE	36
PID 1388 wrote to memory of 1176	1388	msiexec.exe	37
PID 1388 wrote to memory of 1176	1388	msiexec.exe	37
PID 1388 wrote to memory of 1176	1388	msiexec.exe	37
PID 1388 wrote to memory of 1176	1388	msiexec.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1360
- C:\Users\Admin\AppData\Local\Temp\f1b2c6c5ffb50b2f766def07f2bbc9f6_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f1b2c6c5ffb50b2f766def07f2bbc9f6_JaffaCakes118.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2500
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\f1b2c6c5ffb50b2f766def07f2bbc9f6_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\syscheck.exe"
    3⤵
    PID:3060
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Local\syscheck.exe"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2412
  - - C:\Users\Admin\AppData\Local\syscheck.exe
      "C:\Users\Admin\AppData\Local\syscheck.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Suspicious use of SetThreadContext
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2496
    - - C:\Users\Admin\AppData\Local\syscheck.exe
        
        "C:\Users\Admin\AppData\Local\syscheck.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of AdjustPrivilegeToken
        
        PID:2388
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1388
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1388 -s 272
    3⤵
    - Program crash
    PID:1176

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

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\syscheck.exe

Filesize
483KB

MD5
f1b2c6c5ffb50b2f766def07f2bbc9f6

SHA1
b41d589af7dcabab0010ad37616c8edf44af8675

SHA256
d3a270f55d00796bc80858cfc07ee26458aa7f022664f8327b80a41adf900454

SHA512
a3682b6345f0f8eff28ab2caa124a87ac10592bdbdf5c4d5cc8bddab06d873a5c13dabbc8146d1c24a6e7454b396dc3539488ea2e39df209097b35abd13ab9ff

Download Submit
memory/1360-32-0x0000000003750000-0x0000000003850000-memory.dmp

Filesize
1024KB

Download
memory/1360-41-0x0000000004CA0000-0x0000000004D52000-memory.dmp

Filesize
712KB

Download
memory/1360-34-0x0000000004CA0000-0x0000000004D52000-memory.dmp

Filesize
712KB

Download
memory/1388-38-0x0000000000B10000-0x0000000000B24000-memory.dmp

Filesize
80KB

Download
memory/1388-36-0x0000000000B10000-0x0000000000B24000-memory.dmp

Filesize
80KB

Download
memory/1388-35-0x0000000000B10000-0x0000000000B24000-memory.dmp

Filesize
80KB

Download
memory/2388-19-0x0000000000080000-0x00000000000AA000-memory.dmp

Filesize
168KB

Download
memory/2388-21-0x0000000000080000-0x00000000000AA000-memory.dmp

Filesize
168KB

Download
memory/2388-33-0x0000000000170000-0x0000000000184000-memory.dmp

Filesize
80KB

Download
memory/2388-31-0x0000000000080000-0x00000000000AA000-memory.dmp

Filesize
168KB

Download
memory/2388-30-0x00000000009E0000-0x0000000000CE3000-memory.dmp

Filesize
3.0MB

Download
memory/2388-27-0x0000000000080000-0x00000000000AA000-memory.dmp

Filesize
168KB

Download
memory/2388-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2496-29-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download
memory/2496-12-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download
memory/2496-18-0x00000000047D0000-0x0000000004810000-memory.dmp

Filesize
256KB

Download
memory/2496-16-0x00000000047D0000-0x0000000004810000-memory.dmp

Filesize
256KB

Download
memory/2496-13-0x0000000000960000-0x00000000009DE000-memory.dmp

Filesize
504KB

Download
memory/2496-15-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download
memory/2496-14-0x00000000047D0000-0x0000000004810000-memory.dmp

Filesize
256KB

Download
memory/2500-11-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download
memory/2500-0-0x0000000000A30000-0x0000000000AAE000-memory.dmp

Filesize
504KB

Download
memory/2500-7-0x0000000004850000-0x0000000004890000-memory.dmp

Filesize
256KB

Download
memory/2500-6-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download
memory/2500-3-0x0000000004850000-0x0000000004890000-memory.dmp

Filesize
256KB

Download
memory/2500-2-0x00000000003D0000-0x00000000003EC000-memory.dmp

Filesize
112KB

Download
memory/2500-1-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download