formbook | 5c35f2a71144607479cd3b69fad16d64f6714f36de7e380139d36ad74a29675b

General

Target

c1a1574f79de1b92dff600b93af4fb2e_JaffaCakes118.exe
Size

788KB
MD5

c1a1574f79de1b92dff600b93af4fb2e
SHA1

fe900346d226cbd124005a96aaa30bab08da74fa
SHA256

5c35f2a71144607479cd3b69fad16d64f6714f36de7e380139d36ad74a29675b
SHA512

316afa911f4c9da7b520b82ce3843f5437a846568034249233b84f50dbf3f722460e281b9271ad592f3c577ec2c67b03533fc34fc39742bdb124f4bd96eb284d
SSDEEP

24576:ZzVvQ+qZALi2Mtv/qLyWcpIw2DUhcSuGsf:ZzVvpqZALgoObplWUhcSuG+

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 family
formbook

Formbook payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3508-18-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/3508-23-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/3508-27-0x0000000000400000-0x000000000042E000-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

Processes:

c1a1574f79de1b92dff600b93af4fb2e_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	c1a1574f79de1b92dff600b93af4fb2e_JaffaCakes118.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

c1a1574f79de1b92dff600b93af4fb2e_JaffaCakes118.exeRegSvcs.execmmon32.exe

description	pid	Process	procid_target
PID 3380 set thread context of 3508	3380	c1a1574f79de1b92dff600b93af4fb2e_JaffaCakes118.exe	93
PID 3508 set thread context of 3432	3508	RegSvcs.exe	56
PID 3508 set thread context of 3432	3508	RegSvcs.exe	56
PID 3660 set thread context of 3432	3660	cmmon32.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

Processes:

c1a1574f79de1b92dff600b93af4fb2e_JaffaCakes118.exeschtasks.execmmon32.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c1a1574f79de1b92dff600b93af4fb2e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.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

Processes:

schtasks.exe

pid	Process
3024	schtasks.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

Processes:

RegSvcs.execmmon32.exe

pid	Process
3508	RegSvcs.exe
3508	RegSvcs.exe
3508	RegSvcs.exe
3508	RegSvcs.exe
3508	RegSvcs.exe
3508	RegSvcs.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe
3660	cmmon32.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

RegSvcs.execmmon32.exe

pid	Process
3508	RegSvcs.exe
3508	RegSvcs.exe
3508	RegSvcs.exe
3508	RegSvcs.exe
3660	cmmon32.exe
3660	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RegSvcs.execmmon32.exe

description	pid	Process
Token: SeDebugPrivilege	3508	RegSvcs.exe
Token: SeDebugPrivilege	3660	cmmon32.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

c1a1574f79de1b92dff600b93af4fb2e_JaffaCakes118.exeExplorer.EXEcmmon32.exe

description	pid	Process	procid_target
PID 3380 wrote to memory of 3024	3380	c1a1574f79de1b92dff600b93af4fb2e_JaffaCakes118.exe	91
PID 3380 wrote to memory of 3024	3380	c1a1574f79de1b92dff600b93af4fb2e_JaffaCakes118.exe	91
PID 3380 wrote to memory of 3024	3380	c1a1574f79de1b92dff600b93af4fb2e_JaffaCakes118.exe	91
PID 3380 wrote to memory of 3508	3380	c1a1574f79de1b92dff600b93af4fb2e_JaffaCakes118.exe	93
PID 3380 wrote to memory of 3508	3380	c1a1574f79de1b92dff600b93af4fb2e_JaffaCakes118.exe	93
PID 3380 wrote to memory of 3508	3380	c1a1574f79de1b92dff600b93af4fb2e_JaffaCakes118.exe	93
PID 3380 wrote to memory of 3508	3380	c1a1574f79de1b92dff600b93af4fb2e_JaffaCakes118.exe	93
PID 3380 wrote to memory of 3508	3380	c1a1574f79de1b92dff600b93af4fb2e_JaffaCakes118.exe	93
PID 3380 wrote to memory of 3508	3380	c1a1574f79de1b92dff600b93af4fb2e_JaffaCakes118.exe	93
PID 3432 wrote to memory of 3660	3432	Explorer.EXE	94
PID 3432 wrote to memory of 3660	3432	Explorer.EXE	94
PID 3432 wrote to memory of 3660	3432	Explorer.EXE	94
PID 3660 wrote to memory of 5104	3660	cmmon32.exe	95
PID 3660 wrote to memory of 5104	3660	cmmon32.exe	95
PID 3660 wrote to memory of 5104	3660	cmmon32.exe	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3432
- C:\Users\Admin\AppData\Local\Temp\c1a1574f79de1b92dff600b93af4fb2e_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c1a1574f79de1b92dff600b93af4fb2e_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3380
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sqswrvwVUHAy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6EF1.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3024
- - 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:3508
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.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:3660
- - 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:5104

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\tmp6EF1.tmp

Filesize
1KB

MD5
b5f744a652742d2f585490d61a704dd8

SHA1
7b9742b08d883e176c5ff7dcbda32fa0e9be9281

SHA256
75dd80e8dd63354f9fa6abe58eaef9e26f62548c7a3dc596f1903d7f556b71af

SHA512
2ca66af3101520de0b566c9441d553250aaf5beb7868bb0d62575fdb11900808f528dbb922af948a19e1636ede31c16e6c96d4652fd802b616712f325e3248f6

Download Submit
memory/3380-10-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/3380-5-0x0000000004C90000-0x0000000004C9A000-memory.dmp

Filesize
40KB

Download
memory/3380-11-0x0000000006C60000-0x0000000006D04000-memory.dmp

Filesize
656KB

Download
memory/3380-1-0x0000000000220000-0x00000000002EC000-memory.dmp

Filesize
816KB

Download
memory/3380-12-0x00000000092A0000-0x00000000092D4000-memory.dmp

Filesize
208KB

Download
memory/3380-6-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/3380-7-0x0000000004F90000-0x0000000004FE6000-memory.dmp

Filesize
344KB

Download
memory/3380-8-0x0000000006760000-0x0000000006776000-memory.dmp

Filesize
88KB

Download
memory/3380-9-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/3380-20-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/3380-3-0x00000000053B0000-0x0000000005954000-memory.dmp

Filesize
5.6MB

Download
memory/3380-2-0x0000000004CD0000-0x0000000004D6C000-memory.dmp

Filesize
624KB

Download
memory/3380-4-0x0000000004E00000-0x0000000004E92000-memory.dmp

Filesize
584KB

Download
memory/3380-0-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/3432-30-0x0000000002AC0000-0x0000000002C0F000-memory.dmp

Filesize
1.3MB

Download
memory/3432-39-0x0000000008260000-0x000000000836B000-memory.dmp

Filesize
1.0MB

Download
memory/3432-38-0x0000000008260000-0x000000000836B000-memory.dmp

Filesize
1.0MB

Download
memory/3432-36-0x0000000008260000-0x000000000836B000-memory.dmp

Filesize
1.0MB

Download
memory/3432-25-0x0000000002AC0000-0x0000000002C0F000-memory.dmp

Filesize
1.3MB

Download
memory/3432-29-0x0000000007D00000-0x0000000007E9F000-memory.dmp

Filesize
1.6MB

Download
memory/3432-33-0x0000000007D00000-0x0000000007E9F000-memory.dmp

Filesize
1.6MB

Download
memory/3508-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3508-27-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3508-28-0x0000000003720000-0x0000000003734000-memory.dmp

Filesize
80KB

Download
memory/3508-24-0x00000000018A0000-0x00000000018B4000-memory.dmp

Filesize
80KB

Download
memory/3508-23-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3508-21-0x00000000018E0000-0x0000000001C2A000-memory.dmp

Filesize
3.3MB

Download
memory/3660-32-0x0000000000D80000-0x0000000000D8C000-memory.dmp

Filesize
48KB

Download
memory/3660-31-0x0000000000D80000-0x0000000000D8C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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