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
behavioral1/memory/2520-3-0x0000000000560000-0x0000000000568000-memory.dmp	CustAttr

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2604-18-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2520 set thread context of 2604	2520	RBIDFTCRADVICE_21012814480386259994,pdf.exe	33

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
2616	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2520	RBIDFTCRADVICE_21012814480386259994,pdf.exe
2604	RBIDFTCRADVICE_21012814480386259994,pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2520	RBIDFTCRADVICE_21012814480386259994,pdf.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2616	2520	RBIDFTCRADVICE_21012814480386259994,pdf.exe	31
PID 2520 wrote to memory of 2616	2520	RBIDFTCRADVICE_21012814480386259994,pdf.exe	31
PID 2520 wrote to memory of 2616	2520	RBIDFTCRADVICE_21012814480386259994,pdf.exe	31
PID 2520 wrote to memory of 2616	2520	RBIDFTCRADVICE_21012814480386259994,pdf.exe	31
PID 2520 wrote to memory of 2604	2520	RBIDFTCRADVICE_21012814480386259994,pdf.exe	33
PID 2520 wrote to memory of 2604	2520	RBIDFTCRADVICE_21012814480386259994,pdf.exe	33
PID 2520 wrote to memory of 2604	2520	RBIDFTCRADVICE_21012814480386259994,pdf.exe	33
PID 2520 wrote to memory of 2604	2520	RBIDFTCRADVICE_21012814480386259994,pdf.exe	33
PID 2520 wrote to memory of 2604	2520	RBIDFTCRADVICE_21012814480386259994,pdf.exe	33
PID 2520 wrote to memory of 2604	2520	RBIDFTCRADVICE_21012814480386259994,pdf.exe	33
PID 2520 wrote to memory of 2604	2520	RBIDFTCRADVICE_21012814480386259994,pdf.exe	33

C:\Users\Admin\AppData\Local\Temp\RBIDFTCRADVICE_21012814480386259994,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\RBIDFTCRADVICE_21012814480386259994,pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sCPgTFqFtL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCC35.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2616
- 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:2604

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

System Information Discovery

1

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\tmpCC35.tmp

Filesize
1KB

MD5
0e8e158fce4037cb83b6f121b60d3c3b

SHA1
484887cc725a1a8e66e6bff379eeb235394c0e85

SHA256
d23d65e28d8f43b7e4e973370962fc78517eaea5c5db126a5da4032a4b0295e1

SHA512
ae1a8a25cac49c92eaf3909c824e614ac6b17a8c8b85d8b4f73a96ccc688163297232a55c142c3a84a342526e1fb8b314d03e09be52ffec70343c87a325d0318

Download Submit
memory/2520-6-0x0000000005580000-0x000000000561A000-memory.dmp

Filesize
616KB

Download
memory/2520-2-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2520-3-0x0000000000560000-0x0000000000568000-memory.dmp

Filesize
32KB

Download
memory/2520-4-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/2520-5-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2520-0-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/2520-1-0x00000000000B0000-0x00000000001C0000-memory.dmp

Filesize
1.1MB

Download
memory/2520-19-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2604-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2604-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2604-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2604-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2604-20-0x0000000000990000-0x0000000000C93000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads