formbook | 855dd7cf56397cb61245d06f6ed38576c71826737101275f66167986e602036f

General

Target

9b316c1286cf6a10bf2447c128a76b46_JaffaCakes118.exe
Size

1.1MB
MD5

9b316c1286cf6a10bf2447c128a76b46
SHA1

38940f6ab390ec2006693883bf5585a7ec38c0c6
SHA256

855dd7cf56397cb61245d06f6ed38576c71826737101275f66167986e602036f
SHA512

2023e376d2f311a5cfe1424654ecc16fb75b6003b488f265292abaa056d0e811a76dd8dc09533ab273f5d5e8878e2c5d552b3bcd89eb0363f95126fb7c93dc33
SSDEEP

12288:v/5pbb50EvcBQ3Tp4/IH3fjWqqhh8BAPg6OO3jTruN/YlRxsCplsj9lj/P61:v/5d5ABQ3TbH3fdqXP+O3jTruN/

Score

10^/10

formbook odse discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

odse

Decoy

braedlifestyle.com

morganjohnsondesign.online

surup-v48.club

diypoolpaint.sydney

v-b7026-ghhh.space

vetyvar.com

lollydaisy.com

campsitesurvival.com

autocalibre.com

fusiontech3d.com

xn--udkog0cvez259c82sa.xyz

eccentricartist.com

jc-zg.com

wacwin.com

livehealthychoice.com

visijuara.com

phigsa.com

sabayawork.com

afcerd.com

joeyshousesessions.com

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

resource	yara_rule
behavioral2/memory/1764-18-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/1764-23-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/1764-27-0x0000000000400000-0x000000000042E000-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	9b316c1286cf6a10bf2447c128a76b46_JaffaCakes118.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4880 set thread context of 1764	4880	9b316c1286cf6a10bf2447c128a76b46_JaffaCakes118.exe	93
PID 1764 set thread context of 3532	1764	RegSvcs.exe	56
PID 1764 set thread context of 3532	1764	RegSvcs.exe	56
PID 2876 set thread context of 3532	2876	svchost.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9b316c1286cf6a10bf2447c128a76b46_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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
4732	schtasks.exe

Suspicious behavior: EnumeratesProcesses 45 IoCs

pid	Process
4880	9b316c1286cf6a10bf2447c128a76b46_JaffaCakes118.exe
1764	RegSvcs.exe
1764	RegSvcs.exe
1764	RegSvcs.exe
1764	RegSvcs.exe
1764	RegSvcs.exe
1764	RegSvcs.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe
2876	svchost.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1764	RegSvcs.exe
1764	RegSvcs.exe
1764	RegSvcs.exe
1764	RegSvcs.exe
2876	svchost.exe
2876	svchost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4880	9b316c1286cf6a10bf2447c128a76b46_JaffaCakes118.exe
Token: SeDebugPrivilege	1764	RegSvcs.exe
Token: SeDebugPrivilege	2876	svchost.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4880 wrote to memory of 4732	4880	9b316c1286cf6a10bf2447c128a76b46_JaffaCakes118.exe	91
PID 4880 wrote to memory of 4732	4880	9b316c1286cf6a10bf2447c128a76b46_JaffaCakes118.exe	91
PID 4880 wrote to memory of 4732	4880	9b316c1286cf6a10bf2447c128a76b46_JaffaCakes118.exe	91
PID 4880 wrote to memory of 1764	4880	9b316c1286cf6a10bf2447c128a76b46_JaffaCakes118.exe	93
PID 4880 wrote to memory of 1764	4880	9b316c1286cf6a10bf2447c128a76b46_JaffaCakes118.exe	93
PID 4880 wrote to memory of 1764	4880	9b316c1286cf6a10bf2447c128a76b46_JaffaCakes118.exe	93
PID 4880 wrote to memory of 1764	4880	9b316c1286cf6a10bf2447c128a76b46_JaffaCakes118.exe	93
PID 4880 wrote to memory of 1764	4880	9b316c1286cf6a10bf2447c128a76b46_JaffaCakes118.exe	93
PID 4880 wrote to memory of 1764	4880	9b316c1286cf6a10bf2447c128a76b46_JaffaCakes118.exe	93
PID 3532 wrote to memory of 2876	3532	Explorer.EXE	94
PID 3532 wrote to memory of 2876	3532	Explorer.EXE	94
PID 3532 wrote to memory of 2876	3532	Explorer.EXE	94
PID 2876 wrote to memory of 452	2876	svchost.exe	95
PID 2876 wrote to memory of 452	2876	svchost.exe	95
PID 2876 wrote to memory of 452	2876	svchost.exe	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3532
- C:\Users\Admin\AppData\Local\Temp\9b316c1286cf6a10bf2447c128a76b46_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\9b316c1286cf6a10bf2447c128a76b46_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:4880
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kdZXxBrW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5A7F.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4732
- - 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:1764
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.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:2876
- - 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:452

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\tmp5A7F.tmp

Filesize
1KB

MD5
f0e5a3f55239fade69c1e84510aa5244

SHA1
37fa831a5e27f5ee38be9b0a468416243819bed8

SHA256
a8eaa0688856b1ef89ea607cd190dabbccabc22fdafbc6bea0cf840c8da67733

SHA512
084f5cfa48c7977221499b9f2b58c888194b3bf7012a895b0c06676022a357eac78e704036d97986b0106356073edbb3a861df8f829314c2588ea3827c855b76

Download Submit
memory/1764-27-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1764-28-0x0000000001360000-0x0000000001374000-memory.dmp

Filesize
80KB

Download
memory/1764-23-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1764-24-0x00000000010F0000-0x0000000001104000-memory.dmp

Filesize
80KB

Download
memory/1764-21-0x0000000001420000-0x000000000176A000-memory.dmp

Filesize
3.3MB

Download
memory/1764-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2876-33-0x00000000000D0000-0x00000000000DE000-memory.dmp

Filesize
56KB

Download
memory/2876-31-0x00000000000D0000-0x00000000000DE000-memory.dmp

Filesize
56KB

Download
memory/3532-29-0x0000000002870000-0x0000000002951000-memory.dmp

Filesize
900KB

Download
memory/3532-25-0x0000000008630000-0x00000000087CA000-memory.dmp

Filesize
1.6MB

Download
memory/3532-40-0x0000000002BC0000-0x0000000002C7B000-memory.dmp

Filesize
748KB

Download
memory/3532-39-0x0000000002BC0000-0x0000000002C7B000-memory.dmp

Filesize
748KB

Download
memory/3532-37-0x0000000002BC0000-0x0000000002C7B000-memory.dmp

Filesize
748KB

Download
memory/3532-34-0x0000000002870000-0x0000000002951000-memory.dmp

Filesize
900KB

Download
memory/3532-30-0x0000000008630000-0x00000000087CA000-memory.dmp

Filesize
1.6MB

Download
memory/4880-4-0x0000000005220000-0x00000000052B2000-memory.dmp

Filesize
584KB

Download
memory/4880-20-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4880-5-0x00000000051A0000-0x00000000051AA000-memory.dmp

Filesize
40KB

Download
memory/4880-6-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4880-10-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4880-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

Filesize
4KB

Download
memory/4880-3-0x0000000005730000-0x0000000005CD4000-memory.dmp

Filesize
5.6MB

Download
memory/4880-7-0x0000000005440000-0x0000000005496000-memory.dmp

Filesize
344KB

Download
memory/4880-2-0x00000000050E0000-0x000000000517C000-memory.dmp

Filesize
624KB

Download
memory/4880-1-0x0000000000630000-0x0000000000750000-memory.dmp

Filesize
1.1MB

Download
memory/4880-8-0x0000000007CC0000-0x0000000007CDE000-memory.dmp

Filesize
120KB

Download
memory/4880-9-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

Filesize
4KB

Download
memory/4880-12-0x000000000A390000-0x000000000A3C4000-memory.dmp

Filesize
208KB

Download
memory/4880-11-0x0000000004AE0000-0x0000000004B82000-memory.dmp

Filesize
648KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads