formbook | 3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb

General

Target

JaffaCakes118_3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb.exe
Size

827KB
MD5

50acc1248ad3341ec520b1940a700f07
SHA1

eb3171494d49c0dc2b982342f85421ef7d7279bb
SHA256

3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb
SHA512

e4f666e658666bdaa747f17e162041885f5809c774fd0c683d10baff8b8c5896ef943f7579fad7677341d195d07b05d9eeec7b6d742fee935e2f497a7054a9aa
SSDEEP

12288:nr9TkqZuTuI4n7H/eJLGAARvsjS3ErSRuLW1VmKKCMOF9SaLukyc/+XciekEA3Kz:bKGvlsQEWYCHmKKhm93vycfGG

Score

10^/10

formbook bt33 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bt33

Decoy

mbaonlinefreedegress.info

myforevermaid.com

daoyi365.com

weientm.com

legal-mx.com

formationrigging.com

heidiet.xyz

school-prosto.store

healthvitaminnutrition.com

digitalsolutionusa.com

little-bazar.com

jnbeautycanada.com

optoelek.com

learntoairmail.com

hawkminer.com

kingofearth.love

ktnstay.xyz

zouxin.love

mainlandpr.com

mamm-hummel.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/4736-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4080 set thread context of 4736	4080	JaffaCakes118_3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb.exe	92

System Location Discovery: System Language Discovery 1 TTPs 1 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	JaffaCakes118_3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4080	JaffaCakes118_3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb.exe
4080	JaffaCakes118_3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb.exe
4736	JaffaCakes118_3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb.exe
4736	JaffaCakes118_3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4080	JaffaCakes118_3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4080 wrote to memory of 4436	4080	JaffaCakes118_3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb.exe	91
PID 4080 wrote to memory of 4436	4080	JaffaCakes118_3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb.exe	91
PID 4080 wrote to memory of 4436	4080	JaffaCakes118_3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb.exe	91
PID 4080 wrote to memory of 4736	4080	JaffaCakes118_3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb.exe	92
PID 4080 wrote to memory of 4736	4080	JaffaCakes118_3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb.exe	92
PID 4080 wrote to memory of 4736	4080	JaffaCakes118_3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb.exe	92
PID 4080 wrote to memory of 4736	4080	JaffaCakes118_3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb.exe	92
PID 4080 wrote to memory of 4736	4080	JaffaCakes118_3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb.exe	92
PID 4080 wrote to memory of 4736	4080	JaffaCakes118_3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb.exe	92

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4080
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb.exe"
  2⤵
  PID:4436
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3437d0b089789824090fe75c6a7f9bd4ee86cd749aec304a3ab3a409f3feecbb.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/4080-8-0x00000000749BE000-0x00000000749BF000-memory.dmp

Filesize
4KB

Download
memory/4080-6-0x00000000054A0000-0x00000000054AC000-memory.dmp

Filesize
48KB

Download
memory/4080-2-0x0000000005910000-0x0000000005EB4000-memory.dmp

Filesize
5.6MB

Download
memory/4080-3-0x0000000005360000-0x00000000053F2000-memory.dmp

Filesize
584KB

Download
memory/4080-0-0x00000000749BE000-0x00000000749BF000-memory.dmp

Filesize
4KB

Download
memory/4080-5-0x0000000005320000-0x000000000532A000-memory.dmp

Filesize
40KB

Download
memory/4080-1-0x0000000000860000-0x0000000000934000-memory.dmp

Filesize
848KB

Download
memory/4080-7-0x00000000058A0000-0x00000000058EC000-memory.dmp

Filesize
304KB

Download
memory/4080-4-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/4080-9-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/4080-10-0x0000000006D10000-0x0000000006DAC000-memory.dmp

Filesize
624KB

Download
memory/4080-11-0x0000000006F90000-0x0000000007036000-memory.dmp

Filesize
664KB

Download
memory/4080-14-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/4736-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4736-15-0x0000000001760000-0x0000000001AAA000-memory.dmp

Filesize
3.3MB

Download
memory/4736-16-0x0000000001760000-0x0000000001AAA000-memory.dmp

Filesize
3.3MB

Download

Analysis

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