formbook | 48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f

General

Target

48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe
Size

649KB
MD5

1366223ed40a1a49c6509a9d7c308d45
SHA1

0ebe3c24e44b842096cb55839bbc2ba9a0db3996
SHA256

48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f
SHA512

bbfca208f541bbd0cc0a8c757bc5d36ce4fdc8892eb069cb223b474dbd28cc5c29a069d14c3e6a0a641d5a1dd46c0741550ee3cb13f022de7dba342b7810fbab
SSDEEP

12288:RnCMxdmEi+hKB6yRP1aZueG0sNhes6EiR9koplkR:3xYEiL51cujNhesfijkou

Score

10^/10

formbook c24t discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c24t

Decoy

ealthbridgeccs.online

ngelicais.art

uktuksu1.sbs

fapoker.asia

hecreature.tech

orenzoplaybest14.xyz

op-smartphones-deal.today

delark.click

7395.asia

otnews.cfd

j16e.xyz

oko.events

fscxb.top

roudtxliberals.vote

asas-br.bond

ourhealthyourlife.shop

fbpd.top

j9u9.xyz

uijiuw.top

aming-chair-37588.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/2824-12-0x0000000000400000-0x000000000042F000-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
2840	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2280 set thread context of 2824	2280	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	31

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
2932	2824	WerFault.exe	31

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	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2280	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe
2280	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe
2840	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2280	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe
Token: SeDebugPrivilege	2840	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2840	2280	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	30
PID 2280 wrote to memory of 2840	2280	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	30
PID 2280 wrote to memory of 2840	2280	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	30
PID 2280 wrote to memory of 2840	2280	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	30
PID 2280 wrote to memory of 2824	2280	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	31
PID 2280 wrote to memory of 2824	2280	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	31
PID 2280 wrote to memory of 2824	2280	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	31
PID 2280 wrote to memory of 2824	2280	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	31
PID 2280 wrote to memory of 2824	2280	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	31
PID 2280 wrote to memory of 2824	2280	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	31
PID 2280 wrote to memory of 2824	2280	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	31
PID 2824 wrote to memory of 2932	2824	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	33
PID 2824 wrote to memory of 2932	2824	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	33
PID 2824 wrote to memory of 2932	2824	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	33
PID 2824 wrote to memory of 2932	2824	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	33

C:\Users\Admin\AppData\Local\Temp\48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe
"C:\Users\Admin\AppData\Local\Temp\48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2280
- 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\48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2840
- C:\Users\Admin\AppData\Local\Temp\48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe
  "C:\Users\Admin\AppData\Local\Temp\48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2824
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 36
    3⤵
    - Program crash
    PID:2932

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

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Downloads

memory/2280-0-0x000000007442E000-0x000000007442F000-memory.dmp

Filesize
4KB

Download
memory/2280-1-0x0000000001040000-0x00000000010E6000-memory.dmp

Filesize
664KB

Download
memory/2280-2-0x0000000074420000-0x0000000074B0E000-memory.dmp

Filesize
6.9MB

Download
memory/2280-3-0x00000000005F0000-0x0000000000608000-memory.dmp

Filesize
96KB

Download
memory/2280-4-0x000000007442E000-0x000000007442F000-memory.dmp

Filesize
4KB

Download
memory/2280-5-0x0000000074420000-0x0000000074B0E000-memory.dmp

Filesize
6.9MB

Download
memory/2280-6-0x0000000005620000-0x0000000005696000-memory.dmp

Filesize
472KB

Download
memory/2280-13-0x0000000074420000-0x0000000074B0E000-memory.dmp

Filesize
6.9MB

Download
memory/2824-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2824-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2824-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2824-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

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