formbook | 83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976

General

Target

83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe
Size

601KB
MD5

08e3110de62690a682f85795e5fd4010
SHA1

afa24d6e66239e6a0d3fcda5d33645b3af12bbbb
SHA256

83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976
SHA512

d98143450067dd6fe5b752b53855d4ad52ca8e87a5776966103eae0fe92f7f6a6ed621dd1f831835804570204386808c1a22586091521e030637531f9c6458f2
SSDEEP

12288:wMyC2sShGwjlun4PVoqa5lUrZUZzQn0azM/iRTp7jDjfhv6SDT:wMy9BGilFP6qKlUreundeiL7fgSv

Score

10^/10

formbook bc01 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bc01

Decoy

epatitis-treatment-26155.bond

52cy67sk.bond

nline-degree-6987776.world

ingxingdiandeng-2033.top

mberbreeze.cyou

48xc300mw.autos

obs-for-seniors-39582.bond

tpetersburg-3-tonn.online

egafon-parser.online

172jh.shop

ltraman.pro

bqfhnys.shop

ntercash24-cad.homes

uhtwister.cloud

alk-in-tubs-27353.bond

ucas-saaad.buzz

oko.events

8080713.xyz

refabricated-homes-74404.bond

inaa.boo

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

Processes:

resource	yara_rule
behavioral1/memory/2212-13-0x0000000000400000-0x000000000042F000-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

Processes:

powershell.exe

pid process

2784 powershell.exe

pid	process
2784	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe

description	pid	process	target process
PID 2320 set thread context of 2212	2320	83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe	83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe

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

Processes:

powershell.exe83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exepowershell.exe

pid process

2212 83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe
2784 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2784 powershell.exe

pid	process
2212	83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe
2784	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2784	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe

description	pid	process	target process
PID 2320 wrote to memory of 2784	2320	83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe	powershell.exe
PID 2320 wrote to memory of 2784	2320	83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe	powershell.exe
PID 2320 wrote to memory of 2784	2320	83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe	powershell.exe
PID 2320 wrote to memory of 2784	2320	83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe	powershell.exe
PID 2320 wrote to memory of 2212	2320	83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe	83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe
PID 2320 wrote to memory of 2212	2320	83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe	83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe
PID 2320 wrote to memory of 2212	2320	83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe	83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe
PID 2320 wrote to memory of 2212	2320	83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe	83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe
PID 2320 wrote to memory of 2212	2320	83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe	83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe
PID 2320 wrote to memory of 2212	2320	83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe	83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe
PID 2320 wrote to memory of 2212	2320	83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe	83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe

C:\Users\Admin\AppData\Local\Temp\83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe
"C:\Users\Admin\AppData\Local\Temp\83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2320
- 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\83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2784
- C:\Users\Admin\AppData\Local\Temp\83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe
  "C:\Users\Admin\AppData\Local\Temp\83ce77985bd0799406f31944c4c794d3a5ae598c6ef4d9a491036f6bb0189976N.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2212

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

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Downloads

memory/2212-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2212-14-0x0000000000860000-0x0000000000B63000-memory.dmp

Filesize
3.0MB

Download
memory/2212-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2212-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2212-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2320-3-0x0000000000920000-0x0000000000932000-memory.dmp

Filesize
72KB

Download
memory/2320-6-0x00000000050F0000-0x0000000005168000-memory.dmp

Filesize
480KB

Download
memory/2320-5-0x00000000742E0000-0x00000000749CE000-memory.dmp

Filesize
6.9MB

Download
memory/2320-4-0x00000000742EE000-0x00000000742EF000-memory.dmp

Filesize
4KB

Download
memory/2320-0-0x00000000742EE000-0x00000000742EF000-memory.dmp

Filesize
4KB

Download
memory/2320-2-0x00000000742E0000-0x00000000749CE000-memory.dmp

Filesize
6.9MB

Download
memory/2320-1-0x0000000000BC0000-0x0000000000C5C000-memory.dmp

Filesize
624KB

Download
memory/2320-15-0x00000000742E0000-0x00000000749CE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads