formbook | 94cbf229daa81e3a734f6199a8ab4d5fede7f71cdee579db4bb54369d531410b

General

Target

53c14ef13d4a6bd9ce56da43567ac0d9_JaffaCakes118.exe
Size

921KB
MD5

53c14ef13d4a6bd9ce56da43567ac0d9
SHA1

51b6813d1f8d33bef00201ec5ae88cd1dba4e338
SHA256

94cbf229daa81e3a734f6199a8ab4d5fede7f71cdee579db4bb54369d531410b
SHA512

fe9dd981e04171e94a2f51db1081590238496723086176fe2953a325c5021fc790f0cb2653650ed81f2764ca089e5ec7d97e146952673355d94490a443d059cb
SSDEEP

12288:1zADtztyiNaTCSFSsFjdo9FecUZ+7/fosnyXWHMVYRlHK7zjzKbojReF:qD7yiN8tFSsFm3btCCxRo7KboM

Score

10^/10

formbook vd9n discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

vd9n

Decoy

theunwrappedcollective.com

seckj-ic.com

tyresandover.com

thetrophyworld.com

fonggrconstruction.com

hopiproject.com

sktitle.com

charlotteobscurer.com

qjuhe.com

girlzglitter.com

createmylawn.com

hempcbgpill.com

zzdfdzkj.com

shreehariessential.com

226sm.com

getcupscall.com

neuralviolin.com

sanskaar.life

xn--fhqrm54yyukopc.com

togetherx4fantasy5star.today

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/4912-18-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/4912-23-0x0000000000400000-0x000000000042E000-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	53c14ef13d4a6bd9ce56da43567ac0d9_JaffaCakes118.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2396 set thread context of 4912	2396	53c14ef13d4a6bd9ce56da43567ac0d9_JaffaCakes118.exe	101
PID 4912 set thread context of 3436	4912	RegSvcs.exe	56
PID 1932 set thread context of 3436	1932	msdt.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	53c14ef13d4a6bd9ce56da43567ac0d9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\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
4896	schtasks.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

pid	Process
4912	RegSvcs.exe
4912	RegSvcs.exe
4912	RegSvcs.exe
4912	RegSvcs.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe
1932	msdt.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4912	RegSvcs.exe
4912	RegSvcs.exe
4912	RegSvcs.exe
1932	msdt.exe
1932	msdt.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	4912	RegSvcs.exe
Token: SeDebugPrivilege	1932	msdt.exe
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3436	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 4896	2396	53c14ef13d4a6bd9ce56da43567ac0d9_JaffaCakes118.exe	99
PID 2396 wrote to memory of 4896	2396	53c14ef13d4a6bd9ce56da43567ac0d9_JaffaCakes118.exe	99
PID 2396 wrote to memory of 4896	2396	53c14ef13d4a6bd9ce56da43567ac0d9_JaffaCakes118.exe	99
PID 2396 wrote to memory of 4912	2396	53c14ef13d4a6bd9ce56da43567ac0d9_JaffaCakes118.exe	101
PID 2396 wrote to memory of 4912	2396	53c14ef13d4a6bd9ce56da43567ac0d9_JaffaCakes118.exe	101
PID 2396 wrote to memory of 4912	2396	53c14ef13d4a6bd9ce56da43567ac0d9_JaffaCakes118.exe	101
PID 2396 wrote to memory of 4912	2396	53c14ef13d4a6bd9ce56da43567ac0d9_JaffaCakes118.exe	101
PID 2396 wrote to memory of 4912	2396	53c14ef13d4a6bd9ce56da43567ac0d9_JaffaCakes118.exe	101
PID 2396 wrote to memory of 4912	2396	53c14ef13d4a6bd9ce56da43567ac0d9_JaffaCakes118.exe	101
PID 3436 wrote to memory of 1932	3436	Explorer.EXE	102
PID 3436 wrote to memory of 1932	3436	Explorer.EXE	102
PID 3436 wrote to memory of 1932	3436	Explorer.EXE	102
PID 1932 wrote to memory of 432	1932	msdt.exe	103
PID 1932 wrote to memory of 432	1932	msdt.exe	103
PID 1932 wrote to memory of 432	1932	msdt.exe	103

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3436
- C:\Users\Admin\AppData\Local\Temp\53c14ef13d4a6bd9ce56da43567ac0d9_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\53c14ef13d4a6bd9ce56da43567ac0d9_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2396
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zDKttPF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6ACB.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4896
- - 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:4912
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.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:1932
- - 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:432

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\tmp6ACB.tmp

Filesize
1KB

MD5
aca33a091b9ac7ab1ab523ea926170fc

SHA1
b9f17019fa1041a8caf96a773fdb9e555e1aefa4

SHA256
c49303e5f6382c36a4f5c9a0f3f55168be3805a20234e08ac884e893cb4d4720

SHA512
394bee63fc88d700c608953d622eb4fe068d51a157df55747d8cca4d201ce0dd32f335def6005c0e855d8a599cd9c5a2c3d07ae6031a45d6c308bb8d7c21c8d6

Download Submit
memory/1932-27-0x0000000000880000-0x00000000008D7000-memory.dmp

Filesize
348KB

Download
memory/1932-26-0x0000000000880000-0x00000000008D7000-memory.dmp

Filesize
348KB

Download
memory/2396-12-0x0000000009210000-0x0000000009244000-memory.dmp

Filesize
208KB

Download
memory/2396-10-0x00000000748C0000-0x0000000075070000-memory.dmp

Filesize
7.7MB

Download
memory/2396-5-0x0000000005400000-0x000000000540A000-memory.dmp

Filesize
40KB

Download
memory/2396-6-0x00000000055A0000-0x00000000055F6000-memory.dmp

Filesize
344KB

Download
memory/2396-7-0x00000000748C0000-0x0000000075070000-memory.dmp

Filesize
7.7MB

Download
memory/2396-8-0x0000000005750000-0x0000000005766000-memory.dmp

Filesize
88KB

Download
memory/2396-9-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/2396-4-0x0000000005500000-0x0000000005592000-memory.dmp

Filesize
584KB

Download
memory/2396-11-0x0000000006C30000-0x0000000006CD4000-memory.dmp

Filesize
656KB

Download
memory/2396-0-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/2396-3-0x0000000005A10000-0x0000000005FB4000-memory.dmp

Filesize
5.6MB

Download
memory/2396-1-0x00000000008D0000-0x00000000009BC000-memory.dmp

Filesize
944KB

Download
memory/2396-20-0x00000000748C0000-0x0000000075070000-memory.dmp

Filesize
7.7MB

Download
memory/2396-2-0x0000000005340000-0x00000000053DC000-memory.dmp

Filesize
624KB

Download
memory/3436-25-0x0000000007D10000-0x0000000007E78000-memory.dmp

Filesize
1.4MB

Download
memory/3436-28-0x0000000007D10000-0x0000000007E78000-memory.dmp

Filesize
1.4MB

Download
memory/3436-32-0x00000000028A0000-0x0000000002984000-memory.dmp

Filesize
912KB

Download
memory/3436-33-0x00000000028A0000-0x0000000002984000-memory.dmp

Filesize
912KB

Download
memory/3436-35-0x00000000028A0000-0x0000000002984000-memory.dmp

Filesize
912KB

Download
memory/4912-24-0x00000000010D0000-0x00000000010E4000-memory.dmp

Filesize
80KB

Download
memory/4912-23-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4912-21-0x0000000001680000-0x00000000019CA000-memory.dmp

Filesize
3.3MB

Download
memory/4912-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads