formbook | 0c68bedf273c54fb11df082f5ba6db85fd819cf12f9d40a0a6a683d859315548

General

Target

cdd74989ccca9c104e0239199f354397_JaffaCakes118.exe
Size

746KB
MD5

cdd74989ccca9c104e0239199f354397
SHA1

129d9eae5e82d63cc19c6dfef74cd9d8c903fcf8
SHA256

0c68bedf273c54fb11df082f5ba6db85fd819cf12f9d40a0a6a683d859315548
SHA512

1a8a59e17584164f2a8ec913b65a70219b220e149c209aeccce47bf31a3d56faaa12147e3162045045c3c78437ff244389e065001ef963f8c3424cc4b7089c04
SSDEEP

12288:M9mtiK5oGSjc2YADH/7sG1Zhvqyih/sFOSwHfABaqzSqf2Qq5GWS0gOhk:0+FoGFcf7/vchUESDEZQq5GWXp

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/2784-19-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/2784-24-0x0000000000400000-0x000000000042E000-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	cdd74989ccca9c104e0239199f354397_JaffaCakes118.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1392 set thread context of 2784	1392	cdd74989ccca9c104e0239199f354397_JaffaCakes118.exe	106
PID 2784 set thread context of 3444	2784	RegSvcs.exe	56
PID 4828 set thread context of 3444	4828	raserver.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	raserver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cdd74989ccca9c104e0239199f354397_JaffaCakes118.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
1068	schtasks.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
1392	cdd74989ccca9c104e0239199f354397_JaffaCakes118.exe
1392	cdd74989ccca9c104e0239199f354397_JaffaCakes118.exe
1392	cdd74989ccca9c104e0239199f354397_JaffaCakes118.exe
1392	cdd74989ccca9c104e0239199f354397_JaffaCakes118.exe
2784	RegSvcs.exe
2784	RegSvcs.exe
2784	RegSvcs.exe
2784	RegSvcs.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe
4828	raserver.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2784	RegSvcs.exe
2784	RegSvcs.exe
2784	RegSvcs.exe
4828	raserver.exe
4828	raserver.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1392	cdd74989ccca9c104e0239199f354397_JaffaCakes118.exe
Token: SeDebugPrivilege	2784	RegSvcs.exe
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeDebugPrivilege	4828	raserver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3444	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1392 wrote to memory of 1068	1392	cdd74989ccca9c104e0239199f354397_JaffaCakes118.exe	103
PID 1392 wrote to memory of 1068	1392	cdd74989ccca9c104e0239199f354397_JaffaCakes118.exe	103
PID 1392 wrote to memory of 1068	1392	cdd74989ccca9c104e0239199f354397_JaffaCakes118.exe	103
PID 1392 wrote to memory of 4400	1392	cdd74989ccca9c104e0239199f354397_JaffaCakes118.exe	105
PID 1392 wrote to memory of 4400	1392	cdd74989ccca9c104e0239199f354397_JaffaCakes118.exe	105
PID 1392 wrote to memory of 4400	1392	cdd74989ccca9c104e0239199f354397_JaffaCakes118.exe	105
PID 1392 wrote to memory of 2784	1392	cdd74989ccca9c104e0239199f354397_JaffaCakes118.exe	106
PID 1392 wrote to memory of 2784	1392	cdd74989ccca9c104e0239199f354397_JaffaCakes118.exe	106
PID 1392 wrote to memory of 2784	1392	cdd74989ccca9c104e0239199f354397_JaffaCakes118.exe	106
PID 1392 wrote to memory of 2784	1392	cdd74989ccca9c104e0239199f354397_JaffaCakes118.exe	106
PID 1392 wrote to memory of 2784	1392	cdd74989ccca9c104e0239199f354397_JaffaCakes118.exe	106
PID 1392 wrote to memory of 2784	1392	cdd74989ccca9c104e0239199f354397_JaffaCakes118.exe	106
PID 3444 wrote to memory of 4828	3444	Explorer.EXE	107
PID 3444 wrote to memory of 4828	3444	Explorer.EXE	107
PID 3444 wrote to memory of 4828	3444	Explorer.EXE	107
PID 4828 wrote to memory of 2228	4828	raserver.exe	108
PID 4828 wrote to memory of 2228	4828	raserver.exe	108
PID 4828 wrote to memory of 2228	4828	raserver.exe	108

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3444
- C:\Users\Admin\AppData\Local\Temp\cdd74989ccca9c104e0239199f354397_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\cdd74989ccca9c104e0239199f354397_JaffaCakes118.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:1392
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LTQZnFi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp877B.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1068
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:4400
- - 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:2784
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.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:4828
- - 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:2228

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

Replay Monitor

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Downloads

memory/1392-12-0x0000000007370000-0x00000000073E6000-memory.dmp

Filesize
472KB

Download
memory/1392-2-0x0000000005C60000-0x0000000006204000-memory.dmp

Filesize
5.6MB

Download
memory/1392-13-0x00000000073E0000-0x0000000007424000-memory.dmp

Filesize
272KB

Download
memory/1392-0-0x000000007476E000-0x000000007476F000-memory.dmp

Filesize
4KB

Download
memory/1392-4-0x0000000005750000-0x00000000057FA000-memory.dmp

Filesize
680KB

Download
memory/1392-5-0x0000000005820000-0x0000000005B74000-memory.dmp

Filesize
3.3MB

Download
memory/1392-6-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/1392-7-0x0000000006330000-0x000000000633A000-memory.dmp

Filesize
40KB

Download
memory/1392-8-0x0000000006570000-0x0000000006592000-memory.dmp

Filesize
136KB

Download
memory/1392-9-0x000000007476E000-0x000000007476F000-memory.dmp

Filesize
4KB

Download
memory/1392-10-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/1392-11-0x0000000007230000-0x00000000072CC000-memory.dmp

Filesize
624KB

Download
memory/1392-21-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/1392-1-0x0000000000BD0000-0x0000000000C92000-memory.dmp

Filesize
776KB

Download
memory/1392-3-0x00000000056B0000-0x0000000005742000-memory.dmp

Filesize
584KB

Download
memory/2784-22-0x0000000001290000-0x00000000015DA000-memory.dmp

Filesize
3.3MB

Download
memory/2784-25-0x0000000001080000-0x0000000001094000-memory.dmp

Filesize
80KB

Download
memory/2784-24-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2784-19-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3444-37-0x00000000081B0000-0x00000000082F4000-memory.dmp

Filesize
1.3MB

Download
memory/3444-26-0x0000000002F00000-0x0000000002FBA000-memory.dmp

Filesize
744KB

Download
memory/3444-30-0x0000000002F00000-0x0000000002FBA000-memory.dmp

Filesize
744KB

Download
memory/3444-34-0x00000000081B0000-0x00000000082F4000-memory.dmp

Filesize
1.3MB

Download
memory/3444-35-0x00000000081B0000-0x00000000082F4000-memory.dmp

Filesize
1.3MB

Download
memory/4828-27-0x0000000000A40000-0x0000000000A5F000-memory.dmp

Filesize
124KB

Download
memory/4828-29-0x0000000000A40000-0x0000000000A5F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads