formbook | 43391d3abc411fd3198710c32127898396759f1372ee99fb3aea8efd8e50d086

General

Target

ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe
Size

557KB
MD5

ea9f9fc409b8e70415b11bfcf37e09e1
SHA1

13fe23e9334428c7898657f094db5cb234000ac6
SHA256

43391d3abc411fd3198710c32127898396759f1372ee99fb3aea8efd8e50d086
SHA512

e1c78808853ed762730895295ec6e775287de98c4f797da134cc45315d9b3b67059f7e4b96ec9d6581f7545887b5cf566b12df9e894c657637601661edbd419f
SSDEEP

12288:Ya2DLn2MOytQK+HUdA0Y56roAC+tgy/UbJs42AvTR9Tn2HW13A:ODq5ytQeSZaoW4xRJn2oA

Score

10^/10

formbook z8bb discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

z8bb

Decoy

bg0bpz.xyz

heelncheel.com

full-port.com

77se999.xyz

kentaa.xyz

nemsdumbloser.com

xn--par-tma.art

basculasonline.com

brt-cloud.com

ankesolutions.com

cappersacces.com

lessonsdrums.com

tastygentleman.com

yuzhou.plus

cursando-online.com

comfortzone-frankfurt.com

natesmining.com

logjec070.xyz

manualidadesencasa.net

rowdyravers.club

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/4864-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4204 set thread context of 4864	4204	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe	101

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	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4204	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe
4204	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe
4204	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe
4204	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe
4204	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe
4204	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe
4204	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe
4204	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe
4204	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe
4204	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe
4864	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe
4864	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4204	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4204 wrote to memory of 3484	4204	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe	99
PID 4204 wrote to memory of 3484	4204	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe	99
PID 4204 wrote to memory of 3484	4204	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe	99
PID 4204 wrote to memory of 3144	4204	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe	100
PID 4204 wrote to memory of 3144	4204	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe	100
PID 4204 wrote to memory of 3144	4204	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe	100
PID 4204 wrote to memory of 4864	4204	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe	101
PID 4204 wrote to memory of 4864	4204	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe	101
PID 4204 wrote to memory of 4864	4204	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe	101
PID 4204 wrote to memory of 4864	4204	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe	101
PID 4204 wrote to memory of 4864	4204	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe	101
PID 4204 wrote to memory of 4864	4204	ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe	101

C:\Users\Admin\AppData\Local\Temp\ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4204
- C:\Users\Admin\AppData\Local\Temp\ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe"
  2⤵
  PID:3484
- C:\Users\Admin\AppData\Local\Temp\ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe"
  2⤵
  PID:3144
- C:\Users\Admin\AppData\Local\Temp\ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ea9f9fc409b8e70415b11bfcf37e09e1_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4864

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/4204-6-0x0000000007820000-0x00000000078BC000-memory.dmp

Filesize
624KB

Download
memory/4204-8-0x000000007502E000-0x000000007502F000-memory.dmp

Filesize
4KB

Download
memory/4204-2-0x0000000005550000-0x0000000005AF4000-memory.dmp

Filesize
5.6MB

Download
memory/4204-3-0x0000000005040000-0x00000000050D2000-memory.dmp

Filesize
584KB

Download
memory/4204-4-0x00000000051E0000-0x00000000051EA000-memory.dmp

Filesize
40KB

Download
memory/4204-5-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/4204-1-0x0000000000730000-0x00000000007C2000-memory.dmp

Filesize
584KB

Download
memory/4204-7-0x0000000007790000-0x000000000779C000-memory.dmp

Filesize
48KB

Download
memory/4204-0-0x000000007502E000-0x000000007502F000-memory.dmp

Filesize
4KB

Download
memory/4204-9-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/4204-10-0x0000000007C90000-0x0000000007CFA000-memory.dmp

Filesize
424KB

Download
memory/4204-11-0x0000000007E20000-0x0000000007E56000-memory.dmp

Filesize
216KB

Download
memory/4204-14-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/4864-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4864-15-0x00000000016D0000-0x0000000001A1A000-memory.dmp

Filesize
3.3MB

Download

Analysis

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