formbook | df8b0772860e56938078f92e437d4c04ff34808f40837e249b85af1ffb4dee4b

General

Target

3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe
Size

867KB
MD5

3f332ec29d9e058eb1c0e296b04b2518
SHA1

aa4d9429a1f410beb085f86fa4a5f516f99f6a8b
SHA256

df8b0772860e56938078f92e437d4c04ff34808f40837e249b85af1ffb4dee4b
SHA512

87037bf33969bded6e7e245dfe28edb3f2f1b57ea56b7071957157c2c16fbf4005a68dc198b336c751e346931e479a12f5dc1878b583e4e227a47d93d0700c79
SSDEEP

12288:RupVlyZLmQFafwiXjsDB2ZRgQtuyXnEs0YLEjK101Z/jit2NjFxOH+l:RuHWLlFcwkefdtyLE3DjiMNje

Score

10^/10

formbook m3uc discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m3uc

Decoy

biostaticenergy.com

sociofy.media

prscan.com

sendsolution.info

four-three-technologies.com

xporntubesex.com

parisanavidi.com

eesegismundopereira.com

coursecamponline.com

arieconsulting.com

kateheneghan.com

techein.com

automotivesemltd.com

michellag.com

missionpossibletvshow.com

luxuryhomereno.com

borderlessnomads.com

regulus5.xyz

thursdayny.com

meditationmultiverse.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/440-7-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1620	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4960 set thread context of 440	4960	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe	91

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 2 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	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
440	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe
440	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe
1620	powershell.exe
1620	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1620	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 1620	4960	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe	90
PID 4960 wrote to memory of 1620	4960	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe	90
PID 4960 wrote to memory of 1620	4960	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe	90
PID 4960 wrote to memory of 440	4960	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe	91
PID 4960 wrote to memory of 440	4960	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe	91
PID 4960 wrote to memory of 440	4960	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe	91
PID 4960 wrote to memory of 440	4960	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe	91
PID 4960 wrote to memory of 440	4960	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe	91
PID 4960 wrote to memory of 440	4960	3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1620
- C:\Users\Admin\AppData\Local\Temp\3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\3f332ec29d9e058eb1c0e296b04b2518_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5blwsfxl.mgj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/440-10-0x0000000001000000-0x000000000134A000-memory.dmp

Filesize
3.3MB

Download
memory/440-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1620-54-0x0000000007690000-0x0000000007698000-memory.dmp

Filesize
32KB

Download
memory/1620-46-0x00000000079B0000-0x000000000802A000-memory.dmp

Filesize
6.5MB

Download
memory/1620-57-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/1620-53-0x00000000076B0000-0x00000000076CA000-memory.dmp

Filesize
104KB

Download
memory/1620-52-0x00000000075B0000-0x00000000075C4000-memory.dmp

Filesize
80KB

Download
memory/1620-32-0x0000000071DC0000-0x0000000071E0C000-memory.dmp

Filesize
304KB

Download
memory/1620-51-0x00000000075A0000-0x00000000075AE000-memory.dmp

Filesize
56KB

Download
memory/1620-11-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/1620-12-0x00000000026A0000-0x00000000026D6000-memory.dmp

Filesize
216KB

Download
memory/1620-13-0x00000000051F0000-0x0000000005818000-memory.dmp

Filesize
6.2MB

Download
memory/1620-14-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/1620-15-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/1620-16-0x0000000005020000-0x0000000005042000-memory.dmp

Filesize
136KB

Download
memory/1620-17-0x0000000005910000-0x0000000005976000-memory.dmp

Filesize
408KB

Download
memory/1620-18-0x0000000005980000-0x00000000059E6000-memory.dmp

Filesize
408KB

Download
memory/1620-50-0x0000000007570000-0x0000000007581000-memory.dmp

Filesize
68KB

Download
memory/1620-29-0x0000000006050000-0x000000000606E000-memory.dmp

Filesize
120KB

Download
memory/1620-49-0x00000000075F0000-0x0000000007686000-memory.dmp

Filesize
600KB

Download
memory/1620-48-0x00000000073E0000-0x00000000073EA000-memory.dmp

Filesize
40KB

Download
memory/1620-30-0x0000000006080000-0x00000000060CC000-memory.dmp

Filesize
304KB

Download
memory/1620-43-0x0000000006620000-0x000000000663E000-memory.dmp

Filesize
120KB

Download
memory/1620-31-0x0000000007240000-0x0000000007272000-memory.dmp

Filesize
200KB

Download
memory/1620-44-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/1620-42-0x00000000747D0000-0x0000000074F80000-memory.dmp

Filesize
7.7MB

Download
memory/1620-45-0x0000000007280000-0x0000000007323000-memory.dmp

Filesize
652KB

Download
memory/1620-28-0x00000000059F0000-0x0000000005D44000-memory.dmp

Filesize
3.3MB

Download
memory/1620-47-0x0000000007370000-0x000000000738A000-memory.dmp

Filesize
104KB

Download
memory/4960-9-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download
memory/4960-6-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download
memory/4960-1-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download
memory/4960-0-0x00000000749C2000-0x00000000749C3000-memory.dmp

Filesize
4KB

Download
memory/4960-3-0x00000000749C2000-0x00000000749C3000-memory.dmp

Filesize
4KB

Download
memory/4960-2-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download
memory/4960-4-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download
memory/4960-5-0x00000000749C0000-0x0000000074F71000-memory.dmp

Filesize
5.7MB

Download

Analysis

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