formbook | cf7cce1b83e67375808a6c3732f6894e263b12dcd6954c4b67f1af5508d05986

General

Target

SecuriteInfo.com.CrypterX-gen.31144.16540.exe
Size

625KB
MD5

2fda299e8931d6deef77866652c05fba
SHA1

8c57ba390f5fbc5cf9df1376f7b48724860edce4
SHA256

cf7cce1b83e67375808a6c3732f6894e263b12dcd6954c4b67f1af5508d05986
SHA512

06f60771a781c26366f11c9e4641813b23b75f48720fe091e38481116f971667cb53194c0819ed1c50a45e17d8276ea7a83fb2ae7562e84f8d30307850d1510f
SSDEEP

12288:SqPZbEeX/gbxGZCIx6PSPlvmjG4utS4QAGDqPtzK1+Rot5cdd8d+WW83/cg:SqPh//gbdPPkOjG4uUND0RK1+XPH8E

Score

10^/10

formbook cd36 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cd36

Decoy

hongrobert.top

msurmis.online

tormdamageroof.net

riglashenie-svadby.store

otorcycle-loans-84331.bond

ouriptv.info

eportingcfo.top

2019.vip

ysphoto.online

hrivegorevx.info

350yhc.top

mwakop.xyz

antan4d-amp.xyz

pc-marketing-95267.bond

cuway.tours

inshiaward.top

akuzainu.fun

scenario.live

arrowlaboratorio.shop

nline-gaming-13926.bond

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
behavioral1/memory/2832-12-0x0000000000400000-0x000000000042F000-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
2088	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2084 set thread context of 2832	2084	SecuriteInfo.com.CrypterX-gen.31144.16540.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2740	2832	WerFault.exe	33

System Location Discovery: System Language Discovery 1 TTPs 3 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	SecuriteInfo.com.CrypterX-gen.31144.16540.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SecuriteInfo.com.CrypterX-gen.31144.16540.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2088	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2088	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2088	2084	SecuriteInfo.com.CrypterX-gen.31144.16540.exe	31
PID 2084 wrote to memory of 2088	2084	SecuriteInfo.com.CrypterX-gen.31144.16540.exe	31
PID 2084 wrote to memory of 2088	2084	SecuriteInfo.com.CrypterX-gen.31144.16540.exe	31
PID 2084 wrote to memory of 2088	2084	SecuriteInfo.com.CrypterX-gen.31144.16540.exe	31
PID 2084 wrote to memory of 2832	2084	SecuriteInfo.com.CrypterX-gen.31144.16540.exe	33
PID 2084 wrote to memory of 2832	2084	SecuriteInfo.com.CrypterX-gen.31144.16540.exe	33
PID 2084 wrote to memory of 2832	2084	SecuriteInfo.com.CrypterX-gen.31144.16540.exe	33
PID 2084 wrote to memory of 2832	2084	SecuriteInfo.com.CrypterX-gen.31144.16540.exe	33
PID 2084 wrote to memory of 2832	2084	SecuriteInfo.com.CrypterX-gen.31144.16540.exe	33
PID 2084 wrote to memory of 2832	2084	SecuriteInfo.com.CrypterX-gen.31144.16540.exe	33
PID 2084 wrote to memory of 2832	2084	SecuriteInfo.com.CrypterX-gen.31144.16540.exe	33
PID 2832 wrote to memory of 2740	2832	SecuriteInfo.com.CrypterX-gen.31144.16540.exe	34
PID 2832 wrote to memory of 2740	2832	SecuriteInfo.com.CrypterX-gen.31144.16540.exe	34
PID 2832 wrote to memory of 2740	2832	SecuriteInfo.com.CrypterX-gen.31144.16540.exe	34
PID 2832 wrote to memory of 2740	2832	SecuriteInfo.com.CrypterX-gen.31144.16540.exe	34

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.CrypterX-gen.31144.16540.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.CrypterX-gen.31144.16540.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2084
- 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\SecuriteInfo.com.CrypterX-gen.31144.16540.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2088
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.CrypterX-gen.31144.16540.exe
  "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.CrypterX-gen.31144.16540.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2832
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2832 -s 36
    3⤵
    - Program crash
    PID:2740

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

Loading Replay Monitor...

Downloads

memory/2084-0-0x000000007449E000-0x000000007449F000-memory.dmp

Filesize
4KB

Download
memory/2084-1-0x0000000000A50000-0x0000000000AF2000-memory.dmp

Filesize
648KB

Download
memory/2084-2-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download
memory/2084-3-0x0000000000410000-0x000000000042C000-memory.dmp

Filesize
112KB

Download
memory/2084-4-0x000000007449E000-0x000000007449F000-memory.dmp

Filesize
4KB

Download
memory/2084-5-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download
memory/2084-6-0x0000000000530000-0x00000000005A6000-memory.dmp

Filesize
472KB

Download
memory/2084-13-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download
memory/2832-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2832-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2832-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2832-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing