formbook | 18e19199604eb6d418305e09fd0de7ecbc47450842b25d61015cdd271f4069ea

General

Target

Nov objednvka pdf 4562021xxxx.exe
Size

939KB
MD5

6f3359516e6e034597b9a849a74c0e1b
SHA1

2a9117841a02da3ff3bbc119098c401cef5eb462
SHA256

501c9c6198b9d45adb224cddd57019dc2ec371e6b65b5522ea7e8b21dfda3255
SHA512

98b4ceee4148801b4a503d2a753749c14413a396df85820ea777658f94241e9dbe8fecdca5611410e8f8f622597b17148d7f732d1f4efc5bdda2415b5eb0f9a1
SSDEEP

24576:spzSrj/5tafURhnXamgGeQx6UFfX0RbiKboM:spzSrj/7afS1amgidFfk550M

Score

10^/10

formbook mynd discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

mynd

Decoy

bbluedot3dwdbuy.com

aucworks.com

seekselflove.com

thebrandolphcollection.com

saint-daniel.info

covidtestcharleston.com

buniy.com

welprosol.com

focusedbusinesspartners.com

ichikawa.ltd

nieght.com

beediecandleco.com

gracobby.com

nowipe.club

meherconsultancy.com

didonghanquocxachtay.online

snovythailand.com

onetimecreditscore.net

hayosiapa.com

dumpstersforsellers.com

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/4200-18-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/4200-23-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	Nov objednvka pdf 4562021xxxx.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2956 set thread context of 4200	2956	Nov objednvka pdf 4562021xxxx.exe	101
PID 4200 set thread context of 3396	4200	RegSvcs.exe	56
PID 4768 set thread context of 3396	4768	wlanext.exe	56

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 4 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	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nov objednvka pdf 4562021xxxx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4844	schtasks.exe

Suspicious behavior: EnumeratesProcesses 45 IoCs

pid	Process
2956	Nov objednvka pdf 4562021xxxx.exe
4200	RegSvcs.exe
4200	RegSvcs.exe
4200	RegSvcs.exe
4200	RegSvcs.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe
4768	wlanext.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4200	RegSvcs.exe
4200	RegSvcs.exe
4200	RegSvcs.exe
4768	wlanext.exe
4768	wlanext.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2956	Nov objednvka pdf 4562021xxxx.exe
Token: SeDebugPrivilege	4200	RegSvcs.exe
Token: SeDebugPrivilege	4768	wlanext.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3396	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 4844	2956	Nov objednvka pdf 4562021xxxx.exe	99
PID 2956 wrote to memory of 4844	2956	Nov objednvka pdf 4562021xxxx.exe	99
PID 2956 wrote to memory of 4844	2956	Nov objednvka pdf 4562021xxxx.exe	99
PID 2956 wrote to memory of 4200	2956	Nov objednvka pdf 4562021xxxx.exe	101
PID 2956 wrote to memory of 4200	2956	Nov objednvka pdf 4562021xxxx.exe	101
PID 2956 wrote to memory of 4200	2956	Nov objednvka pdf 4562021xxxx.exe	101
PID 2956 wrote to memory of 4200	2956	Nov objednvka pdf 4562021xxxx.exe	101
PID 2956 wrote to memory of 4200	2956	Nov objednvka pdf 4562021xxxx.exe	101
PID 2956 wrote to memory of 4200	2956	Nov objednvka pdf 4562021xxxx.exe	101
PID 3396 wrote to memory of 4768	3396	Explorer.EXE	102
PID 3396 wrote to memory of 4768	3396	Explorer.EXE	102
PID 3396 wrote to memory of 4768	3396	Explorer.EXE	102
PID 4768 wrote to memory of 1036	4768	wlanext.exe	103
PID 4768 wrote to memory of 1036	4768	wlanext.exe	103
PID 4768 wrote to memory of 1036	4768	wlanext.exe	103

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3396
- C:\Users\Admin\AppData\Local\Temp\Nov objednvka pdf 4562021xxxx.exe
  "C:\Users\Admin\AppData\Local\Temp\Nov objednvka pdf 4562021xxxx.exe"
  2⤵
  - 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:2956
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IgdWfn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp79FD.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4844
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4200
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4768
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

C:\Users\Admin\AppData\Local\Temp\tmp79FD.tmp

Filesize
1KB

MD5
8ec521ce3d54a963a9ebe2162373f73a

SHA1
c620cc8199e0413a3fa91ca2ba9b099842072b59

SHA256
38602c7523baefb3fa90fb9387426f9cf93c09d0289b2afab4af74498014b9af

SHA512
b2a7ed38149f543279572895c8b9136d4cb6c18727af896707a92597865d6e21897d859033ea8f64d42827887670ba872cfab20f41e91df51fc2ddd682cdc2f2

Download Submit
memory/2956-12-0x0000000008A20000-0x0000000008A54000-memory.dmp

Filesize
208KB

Download
memory/2956-1-0x0000000000080000-0x0000000000170000-memory.dmp

Filesize
960KB

Download
memory/2956-3-0x0000000005150000-0x00000000056F4000-memory.dmp

Filesize
5.6MB

Download
memory/2956-4-0x0000000004C40000-0x0000000004CD2000-memory.dmp

Filesize
584KB

Download
memory/2956-5-0x0000000004C00000-0x0000000004C0A000-memory.dmp

Filesize
40KB

Download
memory/2956-6-0x0000000004E40000-0x0000000004E96000-memory.dmp

Filesize
344KB

Download
memory/2956-7-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/2956-8-0x0000000004F50000-0x0000000004F66000-memory.dmp

Filesize
88KB

Download
memory/2956-9-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/2956-10-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/2956-11-0x0000000006430000-0x00000000064D2000-memory.dmp

Filesize
648KB

Download
memory/2956-0-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/2956-2-0x0000000004B00000-0x0000000004B9C000-memory.dmp

Filesize
624KB

Download
memory/2956-20-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/3396-29-0x0000000006ED0000-0x0000000006FB9000-memory.dmp

Filesize
932KB

Download
memory/3396-25-0x0000000006ED0000-0x0000000006FB9000-memory.dmp

Filesize
932KB

Download
memory/3396-33-0x0000000007E90000-0x0000000007FF5000-memory.dmp

Filesize
1.4MB

Download
memory/3396-34-0x0000000007E90000-0x0000000007FF5000-memory.dmp

Filesize
1.4MB

Download
memory/3396-36-0x0000000007E90000-0x0000000007FF5000-memory.dmp

Filesize
1.4MB

Download
memory/4200-21-0x0000000001130000-0x000000000147A000-memory.dmp

Filesize
3.3MB

Download
memory/4200-24-0x0000000000FF0000-0x0000000001004000-memory.dmp

Filesize
80KB

Download
memory/4200-23-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4200-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4768-26-0x00000000008A0000-0x00000000008B7000-memory.dmp

Filesize
92KB

Download
memory/4768-28-0x00000000008A0000-0x00000000008B7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads