formbook | ec42d1761aba72e3789f1d11e744c46394c2929dfef85c8d6297d37a89057b83

General

Target

e300b0ea04a1c33f7b0ca2a924632d3c_JaffaCakes118.exe
Size

365KB
MD5

e300b0ea04a1c33f7b0ca2a924632d3c
SHA1

47ec6138765a54036ce46ddb900d4ceccfe6d698
SHA256

ec42d1761aba72e3789f1d11e744c46394c2929dfef85c8d6297d37a89057b83
SHA512

f746ea33cb60e2e811a8ecfcd62e3ca0f3073e67c895bb81c0a18eb3b30b19f73da6bd4dee9c303034763001e8b1645b7e12959950cacff3279a706614b72eac
SSDEEP

6144:hBplqXThHWJohGUzxQPlmzGhfeF/ohaNuuH1ay951GfWkP3yd+1rH8zGlzWdlJvE:FlNJoMUmPlmzGhm50oFTUWkv/HQX6

Score

10^/10

formbook s8y discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

s8y

Decoy

jazminewphoto.com

luyansu.com

mastertouchusa.net

hengyuangcjx.com

happinessabscissa.online

kinderspielproject.com

namoloja.com

wattwatchers.energy

ambikaprabhu.online

280top.info

emailtoast.com

holoidayinn.com

usthadhotel.com

jilinhengjinyaoye.com

walden.land

huicbxw.com

zhiyidetrade.com

ykm365.com

whmc99.com

jamiecarbetta.com

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/2864-11-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral1/memory/2864-15-0x0000000000400000-0x000000000042A000-memory.dmp	formbook

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\SpZAv = "C:\\Users\\Admin\\AppData\\Local\\SpZAvd\\SpZAvdNxd.hta"	e300b0ea04a1c33f7b0ca2a924632d3c_JaffaCakes118.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1732 set thread context of 2864	1732	e300b0ea04a1c33f7b0ca2a924632d3c_JaffaCakes118.exe	31
PID 2864 set thread context of 1204	2864	InstallUtil.exe	21
PID 2312 set thread context of 1204	2312	cmd.exe	21

System Location Discovery: System Language Discovery 1 TTPs 3 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	e300b0ea04a1c33f7b0ca2a924632d3c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2864	InstallUtil.exe
2864	InstallUtil.exe
2312	cmd.exe
2312	cmd.exe
2312	cmd.exe
2312	cmd.exe
2312	cmd.exe
2312	cmd.exe
2312	cmd.exe
2312	cmd.exe
2312	cmd.exe
2312	cmd.exe
2312	cmd.exe
2312	cmd.exe
2312	cmd.exe
2312	cmd.exe
2312	cmd.exe
2312	cmd.exe
2312	cmd.exe
2312	cmd.exe
2312	cmd.exe
2312	cmd.exe
2312	cmd.exe
2312	cmd.exe
2312	cmd.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1732	e300b0ea04a1c33f7b0ca2a924632d3c_JaffaCakes118.exe
2864	InstallUtil.exe
2864	InstallUtil.exe
2864	InstallUtil.exe
2312	cmd.exe
2312	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2864	InstallUtil.exe
Token: SeDebugPrivilege	2312	cmd.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2864	1732	e300b0ea04a1c33f7b0ca2a924632d3c_JaffaCakes118.exe	31
PID 1732 wrote to memory of 2864	1732	e300b0ea04a1c33f7b0ca2a924632d3c_JaffaCakes118.exe	31
PID 1732 wrote to memory of 2864	1732	e300b0ea04a1c33f7b0ca2a924632d3c_JaffaCakes118.exe	31
PID 1732 wrote to memory of 2864	1732	e300b0ea04a1c33f7b0ca2a924632d3c_JaffaCakes118.exe	31
PID 1732 wrote to memory of 2864	1732	e300b0ea04a1c33f7b0ca2a924632d3c_JaffaCakes118.exe	31
PID 1732 wrote to memory of 2864	1732	e300b0ea04a1c33f7b0ca2a924632d3c_JaffaCakes118.exe	31
PID 1732 wrote to memory of 2864	1732	e300b0ea04a1c33f7b0ca2a924632d3c_JaffaCakes118.exe	31
PID 1732 wrote to memory of 2864	1732	e300b0ea04a1c33f7b0ca2a924632d3c_JaffaCakes118.exe	31
PID 1204 wrote to memory of 2312	1204	Explorer.EXE	32
PID 1204 wrote to memory of 2312	1204	Explorer.EXE	32
PID 1204 wrote to memory of 2312	1204	Explorer.EXE	32
PID 1204 wrote to memory of 2312	1204	Explorer.EXE	32
PID 2312 wrote to memory of 2952	2312	cmd.exe	33
PID 2312 wrote to memory of 2952	2312	cmd.exe	33
PID 2312 wrote to memory of 2952	2312	cmd.exe	33
PID 2312 wrote to memory of 2952	2312	cmd.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Users\Admin\AppData\Local\Temp\e300b0ea04a1c33f7b0ca2a924632d3c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e300b0ea04a1c33f7b0ca2a924632d3c_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1732
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
    "C:\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\InstallUtil.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2864
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  - 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:2312
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1204-17-0x0000000004F80000-0x000000000504A000-memory.dmp

Filesize
808KB

Download
memory/1204-20-0x0000000004F80000-0x000000000504A000-memory.dmp

Filesize
808KB

Download
memory/1732-4-0x00000000007E0000-0x0000000000816000-memory.dmp

Filesize
216KB

Download
memory/1732-2-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/1732-0-0x000000007406E000-0x000000007406F000-memory.dmp

Filesize
4KB

Download
memory/1732-5-0x0000000074060000-0x000000007474E000-memory.dmp

Filesize
6.9MB

Download
memory/1732-10-0x0000000074060000-0x000000007474E000-memory.dmp

Filesize
6.9MB

Download
memory/1732-1-0x0000000000810000-0x0000000000872000-memory.dmp

Filesize
392KB

Download
memory/1732-12-0x0000000074060000-0x000000007474E000-memory.dmp

Filesize
6.9MB

Download
memory/1732-3-0x0000000074060000-0x000000007474E000-memory.dmp

Filesize
6.9MB

Download
memory/2312-19-0x0000000049EA0000-0x0000000049EEC000-memory.dmp

Filesize
304KB

Download
memory/2312-18-0x0000000049EA0000-0x0000000049EEC000-memory.dmp

Filesize
304KB

Download
memory/2864-16-0x0000000000130000-0x0000000000144000-memory.dmp

Filesize
80KB

Download
memory/2864-15-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2864-13-0x0000000000840000-0x0000000000B43000-memory.dmp

Filesize
3.0MB

Download
memory/2864-11-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads