formbook | 75daef5818c03f31bc4aac93fd9cadeb30501c70d7063c65b72dcaed13e08b2c

Analysis

max time kernel
147s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 07:15

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General

Target

JaffaCakes118_0a5598c0524673a5b76ffd4443e0500c.exe
Size

411KB
MD5

0a5598c0524673a5b76ffd4443e0500c
SHA1

fe9a504ed872fd509ca42b2b5eb379daaa25963a
SHA256

75daef5818c03f31bc4aac93fd9cadeb30501c70d7063c65b72dcaed13e08b2c
SHA512

178eae28f452806d7271f0e524973c04be5e39577a3aa3e05dffe34b1c24e1eb68b37cba4bc3a0266ce710c84dc0f857191667d874cb023232adf03527ee6155
SSDEEP

6144:QYtUyFYBEx9LMwNRYIk9TAw/NwD63cCRf5AQ63HibYc2B:1tUyFYGpNRYlm4NwD63TRaQ63HibYPB

Score

10^/10

formbook o6cw discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

o6cw

Decoy

weargaming.net

thesotelofamilyfoundation.com

dramacoo.info

gz-ztjc.com

securisermoncompte.com

cymab.com

gtioxnm.xyz

laruchedusavoir.com

enolightusa.com

knowledgehubbadhni.com

flirtingdemands.com

valioholland.com

acsport.info

monstersembassy.com

japan-master.com

hebgmhg.com

getpolishedwithtina.com

anti-choice-co.com

radbout.com

experiencerealtygroupllc.com

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/3916-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3916-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3916-25-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3904-31-0x0000000000B90000-0x0000000000BBF000-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	JaffaCakes118_0a5598c0524673a5b76ffd4443e0500c.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4016 set thread context of 3916	4016	JaffaCakes118_0a5598c0524673a5b76ffd4443e0500c.exe	102
PID 3916 set thread context of 3428	3916	RegSvcs.exe	56
PID 3916 set thread context of 3428	3916	RegSvcs.exe	56
PID 3904 set thread context of 3428	3904	explorer.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	JaffaCakes118_0a5598c0524673a5b76ffd4443e0500c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.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
3448	schtasks.exe

Suspicious behavior: EnumeratesProcesses 44 IoCs

pid	Process
4016	JaffaCakes118_0a5598c0524673a5b76ffd4443e0500c.exe
4016	JaffaCakes118_0a5598c0524673a5b76ffd4443e0500c.exe
3916	RegSvcs.exe
3916	RegSvcs.exe
3916	RegSvcs.exe
3916	RegSvcs.exe
3916	RegSvcs.exe
3916	RegSvcs.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe
3904	explorer.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3916	RegSvcs.exe
3916	RegSvcs.exe
3916	RegSvcs.exe
3916	RegSvcs.exe
3904	explorer.exe
3904	explorer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4016	JaffaCakes118_0a5598c0524673a5b76ffd4443e0500c.exe
Token: SeDebugPrivilege	3916	RegSvcs.exe
Token: SeDebugPrivilege	3904	explorer.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4016 wrote to memory of 3448	4016	JaffaCakes118_0a5598c0524673a5b76ffd4443e0500c.exe	100
PID 4016 wrote to memory of 3448	4016	JaffaCakes118_0a5598c0524673a5b76ffd4443e0500c.exe	100
PID 4016 wrote to memory of 3448	4016	JaffaCakes118_0a5598c0524673a5b76ffd4443e0500c.exe	100
PID 4016 wrote to memory of 3916	4016	JaffaCakes118_0a5598c0524673a5b76ffd4443e0500c.exe	102
PID 4016 wrote to memory of 3916	4016	JaffaCakes118_0a5598c0524673a5b76ffd4443e0500c.exe	102
PID 4016 wrote to memory of 3916	4016	JaffaCakes118_0a5598c0524673a5b76ffd4443e0500c.exe	102
PID 4016 wrote to memory of 3916	4016	JaffaCakes118_0a5598c0524673a5b76ffd4443e0500c.exe	102
PID 4016 wrote to memory of 3916	4016	JaffaCakes118_0a5598c0524673a5b76ffd4443e0500c.exe	102
PID 4016 wrote to memory of 3916	4016	JaffaCakes118_0a5598c0524673a5b76ffd4443e0500c.exe	102
PID 3428 wrote to memory of 3904	3428	Explorer.EXE	123
PID 3428 wrote to memory of 3904	3428	Explorer.EXE	123
PID 3428 wrote to memory of 3904	3428	Explorer.EXE	123
PID 3904 wrote to memory of 4684	3904	explorer.exe	124
PID 3904 wrote to memory of 4684	3904	explorer.exe	124
PID 3904 wrote to memory of 4684	3904	explorer.exe	124

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3428
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a5598c0524673a5b76ffd4443e0500c.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a5598c0524673a5b76ffd4443e0500c.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:4016
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vnNcRVE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2D64.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3448
- - 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:3916
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2196
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:4316
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3704
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2904
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:4888
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:4296
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2332
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3824
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3464
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3584
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:4724
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:4916
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3912
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3612
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:5076
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3476
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2388
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:4104
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:620
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:4284
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.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:3904
- - 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:4684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3428-27-0x00000000052A0000-0x0000000005394000-memory.dmp

Filesize
976KB

Download
memory/3428-36-0x00000000087E0000-0x00000000088C1000-memory.dmp

Filesize
900KB

Download
memory/3428-32-0x00000000052A0000-0x0000000005394000-memory.dmp

Filesize
976KB

Download
memory/3428-23-0x0000000008EF0000-0x000000000909C000-memory.dmp

Filesize
1.7MB

Download
memory/3428-28-0x0000000008EF0000-0x000000000909C000-memory.dmp

Filesize
1.7MB

Download
memory/3904-30-0x0000000000640000-0x0000000000A73000-memory.dmp

Filesize
4.2MB

Download
memory/3904-29-0x0000000000640000-0x0000000000A73000-memory.dmp

Filesize
4.2MB

Download
memory/3904-31-0x0000000000B90000-0x0000000000BBF000-memory.dmp

Filesize
188KB

Download
memory/3916-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3916-22-0x00000000015D0000-0x00000000015E4000-memory.dmp

Filesize
80KB

Download
memory/3916-26-0x0000000003400000-0x0000000003414000-memory.dmp

Filesize
80KB

Download
memory/3916-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3916-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3916-19-0x0000000001630000-0x000000000197A000-memory.dmp

Filesize
3.3MB

Download
memory/4016-6-0x0000000006180000-0x000000000621C000-memory.dmp

Filesize
624KB

Download
memory/4016-18-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/4016-10-0x00000000060E0000-0x0000000006138000-memory.dmp

Filesize
352KB

Download
memory/4016-9-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/4016-8-0x0000000074F4E000-0x0000000074F4F000-memory.dmp

Filesize
4KB

Download
memory/4016-7-0x0000000005170000-0x000000000517E000-memory.dmp

Filesize
56KB

Download
memory/4016-0-0x0000000074F4E000-0x0000000074F4F000-memory.dmp

Filesize
4KB

Download
memory/4016-5-0x00000000024E0000-0x00000000024EA000-memory.dmp

Filesize
40KB

Download
memory/4016-4-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/4016-3-0x0000000002610000-0x00000000026A2000-memory.dmp

Filesize
584KB

Download
memory/4016-2-0x00000000051A0000-0x0000000005744000-memory.dmp

Filesize
5.6MB

Download
memory/4016-1-0x0000000000010000-0x000000000007E000-memory.dmp

Filesize
440KB

Download