formbook | 72b5d68d6c8950e772883b8f387299c41af00d127279bdd485e7df876a8d1cc7

General

Target

f11bb81e041a91db95a1926039272956_JaffaCakes118.exe
Size

394KB
MD5

f11bb81e041a91db95a1926039272956
SHA1

c05e2cb8ada2322627e38ddc765a0e6b7c217126
SHA256

72b5d68d6c8950e772883b8f387299c41af00d127279bdd485e7df876a8d1cc7
SHA512

665de91837995a7fb7d84dcfbd7448275112f06223c726579b8f7102b675d1961a08c8dadf39fde4dfbb81e179606ff164a9aeb30e6916c3fed3fceec08af863
SSDEEP

6144:gtstdQ+3HwOC8gAmWJ1TpRToN/5wRT1kGNvstnPvWGpfD5LGJ0Sce0:VWoC8+M1rUNhwf2PV1aJvc/

Score

10^/10

formbook c6ns discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c6ns

Decoy

yourherewellness.com

programing.biz

vupay.xyz

adultsexystory.com

mhealthylifestyles.com

lakelanddumpsterrental.net

cashforcarsguru.com

kibbiobank.com

clothingeeff.com

i1is165h.xyz

savingspilots.com

jyano.icu

courageouspeace.com

hypematter.online

lshoxnux3p.com

momatra.com

1orangemail.com

rollerderbyfinland.com

marathonmindsetcollective.com

theblessingscourse.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/2600-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2600-13-0x0000000000401000-0x000000000042F000-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
2684	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2228 set thread context of 2600	2228	f11bb81e041a91db95a1926039272956_JaffaCakes118.exe	32

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	f11bb81e041a91db95a1926039272956_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2600	f11bb81e041a91db95a1926039272956_JaffaCakes118.exe
2684	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2684	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2684	2228	f11bb81e041a91db95a1926039272956_JaffaCakes118.exe	30
PID 2228 wrote to memory of 2684	2228	f11bb81e041a91db95a1926039272956_JaffaCakes118.exe	30
PID 2228 wrote to memory of 2684	2228	f11bb81e041a91db95a1926039272956_JaffaCakes118.exe	30
PID 2228 wrote to memory of 2684	2228	f11bb81e041a91db95a1926039272956_JaffaCakes118.exe	30
PID 2228 wrote to memory of 2600	2228	f11bb81e041a91db95a1926039272956_JaffaCakes118.exe	32
PID 2228 wrote to memory of 2600	2228	f11bb81e041a91db95a1926039272956_JaffaCakes118.exe	32
PID 2228 wrote to memory of 2600	2228	f11bb81e041a91db95a1926039272956_JaffaCakes118.exe	32
PID 2228 wrote to memory of 2600	2228	f11bb81e041a91db95a1926039272956_JaffaCakes118.exe	32
PID 2228 wrote to memory of 2600	2228	f11bb81e041a91db95a1926039272956_JaffaCakes118.exe	32
PID 2228 wrote to memory of 2600	2228	f11bb81e041a91db95a1926039272956_JaffaCakes118.exe	32
PID 2228 wrote to memory of 2600	2228	f11bb81e041a91db95a1926039272956_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2228
- 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\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2684
- C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f11bb81e041a91db95a1926039272956_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2600

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

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2228-15-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2228-1-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2228-2-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2228-3-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2228-4-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2228-5-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2228-0-0x0000000074AB1000-0x0000000074AB2000-memory.dmp

Filesize
4KB

Download
memory/2600-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2600-14-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/2600-13-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/2600-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2600-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2600-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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