formbook | df6ade5c4e7c4f0e82aca32d744b6f8762d2dd82a98b7bda97e42748d488a661

General

Target

0c3c3c868a9ee2d1c6c14f9fafd757a1_JaffaCakes118.exe
Size

946KB
MD5

0c3c3c868a9ee2d1c6c14f9fafd757a1
SHA1

816b112e6027f9d1caec76f78231bd24f6185094
SHA256

df6ade5c4e7c4f0e82aca32d744b6f8762d2dd82a98b7bda97e42748d488a661
SHA512

e71f53fa6a4b2d0c36b7b9d110988e47c11bee51ed33dfbcb1368adc34f10a8e17112cd286f88da637075dc37e1946151edbebb20012dedbb2487e6f18848f2c
SSDEEP

24576:B2wFJMNjRquEyu6nXj4UCmPUUcQfbhvj5CxRT:UwFehkuEGnTVJs9qJ

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 3 IoCs

rat

resource	yara_rule
behavioral2/memory/540-18-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/540-23-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/540-27-0x0000000000400000-0x000000000042E000-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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	0c3c3c868a9ee2d1c6c14f9fafd757a1_JaffaCakes118.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4344 set thread context of 540	4344	0c3c3c868a9ee2d1c6c14f9fafd757a1_JaffaCakes118.exe	93
PID 540 set thread context of 3420	540	RegSvcs.exe	55
PID 540 set thread context of 3420	540	RegSvcs.exe	55
PID 2240 set thread context of 3420	2240	cmstp.exe	55

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	0c3c3c868a9ee2d1c6c14f9fafd757a1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
1188	schtasks.exe

Suspicious behavior: EnumeratesProcesses 44 IoCs

pid	Process
540	RegSvcs.exe
540	RegSvcs.exe
540	RegSvcs.exe
540	RegSvcs.exe
540	RegSvcs.exe
540	RegSvcs.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe
2240	cmstp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
540	RegSvcs.exe
540	RegSvcs.exe
540	RegSvcs.exe
540	RegSvcs.exe
2240	cmstp.exe
2240	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	540	RegSvcs.exe
Token: SeDebugPrivilege	2240	cmstp.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4344 wrote to memory of 1188	4344	0c3c3c868a9ee2d1c6c14f9fafd757a1_JaffaCakes118.exe	91
PID 4344 wrote to memory of 1188	4344	0c3c3c868a9ee2d1c6c14f9fafd757a1_JaffaCakes118.exe	91
PID 4344 wrote to memory of 1188	4344	0c3c3c868a9ee2d1c6c14f9fafd757a1_JaffaCakes118.exe	91
PID 4344 wrote to memory of 540	4344	0c3c3c868a9ee2d1c6c14f9fafd757a1_JaffaCakes118.exe	93
PID 4344 wrote to memory of 540	4344	0c3c3c868a9ee2d1c6c14f9fafd757a1_JaffaCakes118.exe	93
PID 4344 wrote to memory of 540	4344	0c3c3c868a9ee2d1c6c14f9fafd757a1_JaffaCakes118.exe	93
PID 4344 wrote to memory of 540	4344	0c3c3c868a9ee2d1c6c14f9fafd757a1_JaffaCakes118.exe	93
PID 4344 wrote to memory of 540	4344	0c3c3c868a9ee2d1c6c14f9fafd757a1_JaffaCakes118.exe	93
PID 4344 wrote to memory of 540	4344	0c3c3c868a9ee2d1c6c14f9fafd757a1_JaffaCakes118.exe	93
PID 3420 wrote to memory of 2240	3420	Explorer.EXE	94
PID 3420 wrote to memory of 2240	3420	Explorer.EXE	94
PID 3420 wrote to memory of 2240	3420	Explorer.EXE	94
PID 2240 wrote to memory of 1844	2240	cmstp.exe	95
PID 2240 wrote to memory of 1844	2240	cmstp.exe	95
PID 2240 wrote to memory of 1844	2240	cmstp.exe	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3420
- C:\Users\Admin\AppData\Local\Temp\0c3c3c868a9ee2d1c6c14f9fafd757a1_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\0c3c3c868a9ee2d1c6c14f9fafd757a1_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4344
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bIcyzp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4FFF.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1188
- - 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:540
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:2240
- - 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:1844

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\tmp4FFF.tmp

Filesize
1KB

MD5
60b8037bc0c735ed1c3a1041c3f69a7b

SHA1
892bf5ff4fd6de798317ba21ad6da9fa98df7832

SHA256
7f459c0aee15140a1de50f29ef36e1ba00ddb402acd63b8c2a68e4a880e07386

SHA512
c92d11fd325bffca9078764ae99c868946985541714570999c3a34f5c275639c2bcd10461158ede8d8a1f3bbc3e62d22c21ae7d039b018a3cc22ba81b3ac38a6

Download Submit
memory/540-27-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/540-23-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/540-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/540-28-0x0000000002D70000-0x0000000002D84000-memory.dmp

Filesize
80KB

Download
memory/540-21-0x0000000000EA0000-0x00000000011EA000-memory.dmp

Filesize
3.3MB

Download
memory/540-24-0x0000000001400000-0x0000000001414000-memory.dmp

Filesize
80KB

Download
memory/2240-31-0x0000000000600000-0x0000000000616000-memory.dmp

Filesize
88KB

Download
memory/2240-32-0x0000000000600000-0x0000000000616000-memory.dmp

Filesize
88KB

Download
memory/3420-33-0x0000000008400000-0x0000000008569000-memory.dmp

Filesize
1.4MB

Download
memory/3420-30-0x0000000008900000-0x0000000008A9B000-memory.dmp

Filesize
1.6MB

Download
memory/3420-29-0x0000000008400000-0x0000000008569000-memory.dmp

Filesize
1.4MB

Download
memory/3420-36-0x0000000002C60000-0x0000000002D4C000-memory.dmp

Filesize
944KB

Download
memory/3420-38-0x0000000002C60000-0x0000000002D4C000-memory.dmp

Filesize
944KB

Download
memory/3420-39-0x0000000002C60000-0x0000000002D4C000-memory.dmp

Filesize
944KB

Download
memory/3420-25-0x0000000008900000-0x0000000008A9B000-memory.dmp

Filesize
1.6MB

Download
memory/4344-9-0x0000000074E3E000-0x0000000074E3F000-memory.dmp

Filesize
4KB

Download
memory/4344-12-0x000000000A890000-0x000000000A8C4000-memory.dmp

Filesize
208KB

Download
memory/4344-5-0x0000000004BA0000-0x0000000004BAA000-memory.dmp

Filesize
40KB

Download
memory/4344-3-0x0000000005240000-0x00000000057E4000-memory.dmp

Filesize
5.6MB

Download
memory/4344-1-0x0000000000100000-0x00000000001F2000-memory.dmp

Filesize
968KB

Download
memory/4344-0-0x0000000074E3E000-0x0000000074E3F000-memory.dmp

Filesize
4KB

Download
memory/4344-11-0x00000000080B0000-0x0000000008152000-memory.dmp

Filesize
648KB

Download
memory/4344-10-0x0000000074E30000-0x00000000755E0000-memory.dmp

Filesize
7.7MB

Download
memory/4344-2-0x0000000004BF0000-0x0000000004C8C000-memory.dmp

Filesize
624KB

Download
memory/4344-8-0x0000000007BD0000-0x0000000007BEA000-memory.dmp

Filesize
104KB

Download
memory/4344-7-0x0000000074E30000-0x00000000755E0000-memory.dmp

Filesize
7.7MB

Download
memory/4344-6-0x0000000004EE0000-0x0000000004F36000-memory.dmp

Filesize
344KB

Download
memory/4344-4-0x0000000004C90000-0x0000000004D22000-memory.dmp

Filesize
584KB

Download
memory/4344-20-0x0000000074E30000-0x00000000755E0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads