formbook | 968217dc7ec661ccf8ed591f1e45815502ef082b4c16eb6da0daa4f24698a0e3

General

Target

RBIDFTCRADVICE_21012814480386259994,pdf.exe
Size

1.0MB
MD5

192241c16894f7c1a1f74ae037807bbb
SHA1

f4089d984924a4bd5dfd4c72190043d23de24706
SHA256

a9989788c3001149521eb7c42b65c8bffedb52efb1f6e4e08e001b3fe3af90e4
SHA512

bc20dbf398c02dc33fb097db57b51ec202bc0753700df3109518ff4ece2205ea6677f11153cbb562e4b42db45ba373ef1afc6123e2c540a016d9897c0a3182b3
SSDEEP

24576:Wsw4pC6wOo3Jy+p5Cf0+xv7yICOAXr4hT:Wsw4pC6w73pKH7yICO/T

Score

10^/10

formbook cp5 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cp5

Decoy

glcpunix.com

marabierta-coaching.com

osrs-remastered.com

lineagehealthxwellness.com

dunyadagezilecekyerler.com

negociosyfinanzasfaciles.com

bifa510.com

houseofutamasa.com

dopeneeds.com

sailacc.com

thewindgallery.com

elvinrisky.com

flowersassistedliving.com

lzbnwy.com

mrpentester.com

joinmytradingteam.com

jasabuatvisa.com

meherunnessa-foundation.com

notyourtypicaljocks.com

lobo-sports.com

Signatures

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

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral2/memory/4020-8-0x0000000004E50000-0x0000000004E58000-memory.dmp	CustAttr

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/1548-17-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	RBIDFTCRADVICE_21012814480386259994,pdf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4020 set thread context of 1548	4020	RBIDFTCRADVICE_21012814480386259994,pdf.exe	93

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	RBIDFTCRADVICE_21012814480386259994,pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3908	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1548	RBIDFTCRADVICE_21012814480386259994,pdf.exe
1548	RBIDFTCRADVICE_21012814480386259994,pdf.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4020 wrote to memory of 3908	4020	RBIDFTCRADVICE_21012814480386259994,pdf.exe	91
PID 4020 wrote to memory of 3908	4020	RBIDFTCRADVICE_21012814480386259994,pdf.exe	91
PID 4020 wrote to memory of 3908	4020	RBIDFTCRADVICE_21012814480386259994,pdf.exe	91
PID 4020 wrote to memory of 1548	4020	RBIDFTCRADVICE_21012814480386259994,pdf.exe	93
PID 4020 wrote to memory of 1548	4020	RBIDFTCRADVICE_21012814480386259994,pdf.exe	93
PID 4020 wrote to memory of 1548	4020	RBIDFTCRADVICE_21012814480386259994,pdf.exe	93
PID 4020 wrote to memory of 1548	4020	RBIDFTCRADVICE_21012814480386259994,pdf.exe	93
PID 4020 wrote to memory of 1548	4020	RBIDFTCRADVICE_21012814480386259994,pdf.exe	93
PID 4020 wrote to memory of 1548	4020	RBIDFTCRADVICE_21012814480386259994,pdf.exe	93

C:\Users\Admin\AppData\Local\Temp\RBIDFTCRADVICE_21012814480386259994,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\RBIDFTCRADVICE_21012814480386259994,pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4020
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sCPgTFqFtL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9E5E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3908
- C:\Users\Admin\AppData\Local\Temp\RBIDFTCRADVICE_21012814480386259994,pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\RBIDFTCRADVICE_21012814480386259994,pdf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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\tmp9E5E.tmp

Filesize
1KB

MD5
0fdd97f43719d1678fc83153e554cc4c

SHA1
06088e1c285f2d5b5ed4ae06041a287ba0b8cbc7

SHA256
a686ca5be26a9eff8fb441bcd225e4d0c56a0a54337f62f3a1e9ca1d89c969ab

SHA512
fff405f97601d07c9dd7e83788ef4813425230c7d72255e48ba8d2ff721362208c73fd30b39bd3562796dd4e77df8eaa3549294a68c5ba06351546cf70cb448e

Download Submit
memory/1548-20-0x00000000010A0000-0x00000000013EA000-memory.dmp

Filesize
3.3MB

Download
memory/1548-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4020-4-0x0000000004C70000-0x0000000004D02000-memory.dmp

Filesize
584KB

Download
memory/4020-0-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

Filesize
4KB

Download
memory/4020-5-0x0000000004B90000-0x0000000004B9A000-memory.dmp

Filesize
40KB

Download
memory/4020-6-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4020-7-0x0000000004E70000-0x0000000004EC6000-memory.dmp

Filesize
344KB

Download
memory/4020-8-0x0000000004E50000-0x0000000004E58000-memory.dmp

Filesize
32KB

Download
memory/4020-9-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

Filesize
4KB

Download
memory/4020-10-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4020-11-0x0000000005B00000-0x0000000005B9A000-memory.dmp

Filesize
616KB

Download
memory/4020-3-0x0000000005220000-0x00000000057C4000-memory.dmp

Filesize
5.6MB

Download
memory/4020-2-0x0000000004BD0000-0x0000000004C6C000-memory.dmp

Filesize
624KB

Download
memory/4020-19-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4020-1-0x0000000000090000-0x00000000001A0000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads