formbook | 3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b

General

Target

e87bbcd539074e1cac806929080d1322.exe
Size

568KB
MD5

e87bbcd539074e1cac806929080d1322
SHA1

489a1711e44e53fe688cf5e3e95bf5ad817675e9
SHA256

3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b
SHA512

512596edeccef253c4bdcad803d027b4dae3764f132247eeb48bae5bccdad7474fb5c1a75eb0a4ce62e164cf66e3ae4c1aca7f36acffd866bdde43813289381b
SSDEEP

12288:IeZjcqm8hVDnBns6pKBJTGiiRuWjrkPy7yLsHfJm5ZPuj+kDE0vs/:Ie1myDn1s6cDyiiRnr2yuKEs7DRE/

Score

10^/10

formbook btrd discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

btrd

Decoy

everslane.com

prairieviewelectric.online

dszvhgd.com

papamuch.com

8129k.vip

jeffreestar.gold

bestguestrentals.com

nvzhuang1.net

anangtoto.com

yxfgor.top

practicalpoppers.com

thebestanglephotography.online

koormm.top

criika.net

audioflow.online

380747.net

jiuguanwang.net

bloxequities.com

v321c.com

sugar.monster

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/1796-14-0x0000000000400000-0x000000000042F000-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
1960	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2964 set thread context of 1796	2964	e87bbcd539074e1cac806929080d1322.exe	31

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	e87bbcd539074e1cac806929080d1322.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1796	e87bbcd539074e1cac806929080d1322.exe
1960	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1960	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 1960	2964	e87bbcd539074e1cac806929080d1322.exe	30
PID 2964 wrote to memory of 1960	2964	e87bbcd539074e1cac806929080d1322.exe	30
PID 2964 wrote to memory of 1960	2964	e87bbcd539074e1cac806929080d1322.exe	30
PID 2964 wrote to memory of 1960	2964	e87bbcd539074e1cac806929080d1322.exe	30
PID 2964 wrote to memory of 1796	2964	e87bbcd539074e1cac806929080d1322.exe	31
PID 2964 wrote to memory of 1796	2964	e87bbcd539074e1cac806929080d1322.exe	31
PID 2964 wrote to memory of 1796	2964	e87bbcd539074e1cac806929080d1322.exe	31
PID 2964 wrote to memory of 1796	2964	e87bbcd539074e1cac806929080d1322.exe	31
PID 2964 wrote to memory of 1796	2964	e87bbcd539074e1cac806929080d1322.exe	31
PID 2964 wrote to memory of 1796	2964	e87bbcd539074e1cac806929080d1322.exe	31
PID 2964 wrote to memory of 1796	2964	e87bbcd539074e1cac806929080d1322.exe	31

C:\Users\Admin\AppData\Local\Temp\e87bbcd539074e1cac806929080d1322.exe
"C:\Users\Admin\AppData\Local\Temp\e87bbcd539074e1cac806929080d1322.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2964
- 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\e87bbcd539074e1cac806929080d1322.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1960
- C:\Users\Admin\AppData\Local\Temp\e87bbcd539074e1cac806929080d1322.exe
  "C:\Users\Admin\AppData\Local\Temp\e87bbcd539074e1cac806929080d1322.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1796

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/1796-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1796-19-0x0000000000770000-0x0000000000A73000-memory.dmp

Filesize
3.0MB

Download
memory/1796-15-0x0000000000770000-0x0000000000A73000-memory.dmp

Filesize
3.0MB

Download
memory/1796-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1796-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1796-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2964-3-0x0000000004B70000-0x0000000004BFC000-memory.dmp

Filesize
560KB

Download
memory/2964-7-0x0000000005720000-0x0000000005796000-memory.dmp

Filesize
472KB

Download
memory/2964-6-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/2964-5-0x000000007405E000-0x000000007405F000-memory.dmp

Filesize
4KB

Download
memory/2964-4-0x0000000000730000-0x0000000000740000-memory.dmp

Filesize
64KB

Download
memory/2964-0-0x000000007405E000-0x000000007405F000-memory.dmp

Filesize
4KB

Download
memory/2964-2-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/2964-16-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/2964-1-0x0000000000D60000-0x0000000000DF4000-memory.dmp

Filesize
592KB

Download

Analysis

Sharing