formbook | 2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb

General

Target

2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe
Size

646KB
MD5

1503a63d6e67f948cc10e39fbea6b515
SHA1

81cb8b32c91ff91887feef05e745c9012b91cc7d
SHA256

2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb
SHA512

8fa09c47912f02e3e6d920901fffde33553c4719bd9a81a20c9fbf0fe81320821fea527ac8e365c24af0f04967a2d53bcbd33e96c45e3d4ff8b4d8478bb4f9dc
SSDEEP

12288:PvaDPw1Qk89Tmy5g835+pXpAHSWXeU6YJ3NUwbEH39XAbOoGSobB:PCLw9gTFe835EXWHS4ePYJ3Oqc39QgS

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

Processes:

resource	yara_rule
behavioral2/memory/4356-11-0x0000000000400000-0x000000000042F000-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
1568	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe

description	pid	Process	procid_target
PID 2084 set thread context of 4356	2084	2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe	103

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:

2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exepowershell.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe

pid	Process
2084	2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe
2084	2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe
2084	2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe
4356	2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe
4356	2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe

description	pid	Process
Token: SeDebugPrivilege	2084	2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe

description	pid	Process	procid_target
PID 2084 wrote to memory of 1568	2084	2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe	101
PID 2084 wrote to memory of 1568	2084	2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe	101
PID 2084 wrote to memory of 1568	2084	2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe	101
PID 2084 wrote to memory of 4356	2084	2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe	103
PID 2084 wrote to memory of 4356	2084	2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe	103
PID 2084 wrote to memory of 4356	2084	2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe	103
PID 2084 wrote to memory of 4356	2084	2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe	103
PID 2084 wrote to memory of 4356	2084	2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe	103
PID 2084 wrote to memory of 4356	2084	2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe	103

C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe
"C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  PID:1568
- C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe
  "C:\Users\Admin\AppData\Local\Temp\2a8b2b69971d0be12c21d4117e3068c8c69b10cdaccec97225fa318eb2040cfb.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4356

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

Query Registry

1

T1012

System Information Discovery

2

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/2084-6-0x0000000005B90000-0x0000000005C2C000-memory.dmp

Filesize
624KB

Download
memory/2084-0-0x000000007502E000-0x000000007502F000-memory.dmp

Filesize
4KB

Download
memory/2084-2-0x0000000005F30000-0x00000000064D4000-memory.dmp

Filesize
5.6MB

Download
memory/2084-3-0x0000000005830000-0x00000000058C2000-memory.dmp

Filesize
584KB

Download
memory/2084-4-0x00000000058F0000-0x00000000058FA000-memory.dmp

Filesize
40KB

Download
memory/2084-5-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/2084-1-0x0000000000DC0000-0x0000000000E66000-memory.dmp

Filesize
664KB

Download
memory/2084-7-0x0000000005B10000-0x0000000005B2E000-memory.dmp

Filesize
120KB

Download
memory/2084-10-0x0000000003240000-0x00000000032B6000-memory.dmp

Filesize
472KB

Download
memory/2084-9-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/2084-8-0x000000007502E000-0x000000007502F000-memory.dmp

Filesize
4KB

Download
memory/2084-13-0x0000000075020000-0x00000000757D0000-memory.dmp

Filesize
7.7MB

Download
memory/4356-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4356-14-0x0000000001150000-0x000000000149A000-memory.dmp

Filesize
3.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads