formbook | 25a5bfa90c4638ec693f2fd253604f0c5e0acd120a658b7578861b99861c472f

General

Target

QYqXYpTo9nLX2kX.exe
Size

554KB
MD5

7fda0310485ec8de0a5bc10e1d027284
SHA1

3ada290a132e69fd88b5c9f8beac4ea2ee3655de
SHA256

50b35f848446146fece2aef6b039a20230bad0040cdd39084675a466792cff52
SHA512

6b9b7f0ce3959fab35bb961f53500c5a7ffc605698f765f59d661e4dd07e4408628cd1a0ae24b9cdbcaddce7973fd2154f3730901a3ef0e4cb0c2ddb125a826d
SSDEEP

12288:hw5d04ufAI2LK5Td3suvB+1rA5fgZQTDVlGF7u2GfGZyVgIRi:y5d+fAtm5p3sceAFgQhgF7ulGZaR

Score

10^/10

formbook oy30 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

oy30

Decoy

rfc234.top

danielcavalari.com

elperegrinocabo.com

aryor.info

surelistening.com

premium-numero-telf.buzz

orlynyml.click

tennislovers-ro.com

holdmytracker.com

eewapay.com

jaimesinstallglass.com

damactrade.net

swapspecialities.com

perfumesrffd.today

salesfactory.pro

supportive-solutions.com

naiol.com

khoyr.com

kalendeargpt44.com

web-tech-spb.store

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
behavioral1/memory/2740-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2740-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2800-21-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2776	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1860 set thread context of 2740	1860	QYqXYpTo9nLX2kX.exe	31
PID 2740 set thread context of 1208	2740	QYqXYpTo9nLX2kX.exe	21
PID 2800 set thread context of 1208	2800	control.exe	21

System Location Discovery: System Language Discovery 1 TTPs 3 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	QYqXYpTo9nLX2kX.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	control.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
2740	QYqXYpTo9nLX2kX.exe
2740	QYqXYpTo9nLX2kX.exe
2800	control.exe
2800	control.exe
2800	control.exe
2800	control.exe
2800	control.exe
2800	control.exe
2800	control.exe
2800	control.exe
2800	control.exe
2800	control.exe
2800	control.exe
2800	control.exe
2800	control.exe
2800	control.exe
2800	control.exe
2800	control.exe
2800	control.exe
2800	control.exe
2800	control.exe
2800	control.exe
2800	control.exe
2800	control.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2740	QYqXYpTo9nLX2kX.exe
2740	QYqXYpTo9nLX2kX.exe
2740	QYqXYpTo9nLX2kX.exe
2800	control.exe
2800	control.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2740	QYqXYpTo9nLX2kX.exe
Token: SeDebugPrivilege	2800	control.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 2740	1860	QYqXYpTo9nLX2kX.exe	31
PID 1860 wrote to memory of 2740	1860	QYqXYpTo9nLX2kX.exe	31
PID 1860 wrote to memory of 2740	1860	QYqXYpTo9nLX2kX.exe	31
PID 1860 wrote to memory of 2740	1860	QYqXYpTo9nLX2kX.exe	31
PID 1860 wrote to memory of 2740	1860	QYqXYpTo9nLX2kX.exe	31
PID 1860 wrote to memory of 2740	1860	QYqXYpTo9nLX2kX.exe	31
PID 1860 wrote to memory of 2740	1860	QYqXYpTo9nLX2kX.exe	31
PID 1208 wrote to memory of 2800	1208	Explorer.EXE	32
PID 1208 wrote to memory of 2800	1208	Explorer.EXE	32
PID 1208 wrote to memory of 2800	1208	Explorer.EXE	32
PID 1208 wrote to memory of 2800	1208	Explorer.EXE	32
PID 2800 wrote to memory of 2776	2800	control.exe	33
PID 2800 wrote to memory of 2776	2800	control.exe	33
PID 2800 wrote to memory of 2776	2800	control.exe	33
PID 2800 wrote to memory of 2776	2800	control.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\QYqXYpTo9nLX2kX.exe
  "C:\Users\Admin\AppData\Local\Temp\QYqXYpTo9nLX2kX.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1860
- - C:\Users\Admin\AppData\Local\Temp\QYqXYpTo9nLX2kX.exe
    "C:\Users\Admin\AppData\Local\Temp\QYqXYpTo9nLX2kX.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2740
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\SysWOW64\control.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:2800
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\QYqXYpTo9nLX2kX.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/1208-18-0x00000000047F0000-0x0000000004908000-memory.dmp

Filesize
1.1MB

Download
memory/1208-22-0x00000000047F0000-0x0000000004908000-memory.dmp

Filesize
1.1MB

Download
memory/1860-5-0x0000000000990000-0x000000000099E000-memory.dmp

Filesize
56KB

Download
memory/1860-2-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download
memory/1860-4-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download
memory/1860-0-0x000000007475E000-0x000000007475F000-memory.dmp

Filesize
4KB

Download
memory/1860-6-0x0000000005420000-0x000000000548E000-memory.dmp

Filesize
440KB

Download
memory/1860-1-0x0000000001180000-0x0000000001210000-memory.dmp

Filesize
576KB

Download
memory/1860-3-0x0000000000480000-0x0000000000494000-memory.dmp

Filesize
80KB

Download
memory/1860-13-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download
memory/2740-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2740-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2740-14-0x0000000000940000-0x0000000000C43000-memory.dmp

Filesize
3.0MB

Download
memory/2740-17-0x0000000000180000-0x0000000000195000-memory.dmp

Filesize
84KB

Download
memory/2740-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2740-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2740-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2800-20-0x0000000000910000-0x000000000092F000-memory.dmp

Filesize
124KB

Download
memory/2800-19-0x0000000000910000-0x000000000092F000-memory.dmp

Filesize
124KB

Download
memory/2800-21-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

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