formbook | fe43b8fee96f78e23b43740ac4bf858ed7c255676dd6f7c1386c0017fc770855

General

Target

My order pdf.exe
Size

973KB
MD5

80c0e20bcbc0a9a1fe14fd381cbf2d18
SHA1

e5024ce6f861d605cc36aa732146d10b163c4340
SHA256

5ce5432b57df502d836094e69081a43011e6d62c3ea019c0943e7c305a17d059
SHA512

7bc014ac086f7147a831b0c887dae5485b31d4fe1e8341949b4364f8b1df2eedb14c0cf8749b59cd8e8802953f12f292efe2e02e5dc5b34e55d19ad8ae56b2b3
SSDEEP

12288:AtxaV1ki3Ir3TOAWg9ojA5xnLpdtLSCfC/wYB+aTY3gg+/SzS3O1r5:AtIVui3IrjIg9ojA5xnpkhRTDg+8

Score

10^/10

formbook o85a discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

o85a

Decoy

lvmh.store

grantrec.online

pinkglam.net

springreno.com

moneynappress.com

disclegends.net

taizonee9.app

3365826.com

asdmohs19.website

atlantapolicy.com

rioinvestmentrd.com

alltriciashomemadegoodies.com

duanvidentcenter.com

whitelabelcasino.xyz

uptick.business

kickverseblade.store

malmotairi.com

nazhan.site

nehimiah.world

aero-bell.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
behavioral1/memory/2764-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2764-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/536-28-0x0000000000120000-0x000000000014F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2036 set thread context of 2764	2036	My order pdf.exe	31
PID 2764 set thread context of 1184	2764	RegSvcs.exe	21
PID 536 set thread context of 1184	536	rundll32.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	My order pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
2764	RegSvcs.exe
2764	RegSvcs.exe
536	rundll32.exe
536	rundll32.exe
536	rundll32.exe
536	rundll32.exe
536	rundll32.exe
536	rundll32.exe
536	rundll32.exe
536	rundll32.exe
536	rundll32.exe
536	rundll32.exe
536	rundll32.exe
536	rundll32.exe
536	rundll32.exe
536	rundll32.exe
536	rundll32.exe
536	rundll32.exe
536	rundll32.exe
536	rundll32.exe
536	rundll32.exe
536	rundll32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2764	RegSvcs.exe
2764	RegSvcs.exe
2764	RegSvcs.exe
536	rundll32.exe
536	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2764	RegSvcs.exe
Token: SeDebugPrivilege	536	rundll32.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 2764	2036	My order pdf.exe	31
PID 2036 wrote to memory of 2764	2036	My order pdf.exe	31
PID 2036 wrote to memory of 2764	2036	My order pdf.exe	31
PID 2036 wrote to memory of 2764	2036	My order pdf.exe	31
PID 2036 wrote to memory of 2764	2036	My order pdf.exe	31
PID 2036 wrote to memory of 2764	2036	My order pdf.exe	31
PID 2036 wrote to memory of 2764	2036	My order pdf.exe	31
PID 2036 wrote to memory of 2764	2036	My order pdf.exe	31
PID 2036 wrote to memory of 2764	2036	My order pdf.exe	31
PID 2036 wrote to memory of 2764	2036	My order pdf.exe	31
PID 1184 wrote to memory of 536	1184	Explorer.EXE	32
PID 1184 wrote to memory of 536	1184	Explorer.EXE	32
PID 1184 wrote to memory of 536	1184	Explorer.EXE	32
PID 1184 wrote to memory of 536	1184	Explorer.EXE	32
PID 1184 wrote to memory of 536	1184	Explorer.EXE	32
PID 1184 wrote to memory of 536	1184	Explorer.EXE	32
PID 1184 wrote to memory of 536	1184	Explorer.EXE	32
PID 536 wrote to memory of 2924	536	rundll32.exe	33
PID 536 wrote to memory of 2924	536	rundll32.exe	33
PID 536 wrote to memory of 2924	536	rundll32.exe	33
PID 536 wrote to memory of 2924	536	rundll32.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Users\Admin\AppData\Local\Temp\My order pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\My order pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2036
- - 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:2764
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.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:536
- - 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:2924

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/536-24-0x0000000000360000-0x000000000036E000-memory.dmp

Filesize
56KB

Download
memory/536-25-0x0000000000360000-0x000000000036E000-memory.dmp

Filesize
56KB

Download
memory/536-27-0x0000000000360000-0x000000000036E000-memory.dmp

Filesize
56KB

Download
memory/536-28-0x0000000000120000-0x000000000014F000-memory.dmp

Filesize
188KB

Download
memory/1184-29-0x00000000052B0000-0x0000000005380000-memory.dmp

Filesize
832KB

Download
memory/1184-23-0x00000000052B0000-0x0000000005380000-memory.dmp

Filesize
832KB

Download
memory/2036-4-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

Filesize
4KB

Download
memory/2036-7-0x0000000005C50000-0x0000000005CD6000-memory.dmp

Filesize
536KB

Download
memory/2036-8-0x00000000020B0000-0x00000000020F0000-memory.dmp

Filesize
256KB

Download
memory/2036-6-0x0000000000730000-0x000000000073C000-memory.dmp

Filesize
48KB

Download
memory/2036-0-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

Filesize
4KB

Download
memory/2036-5-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2036-3-0x00000000009D0000-0x00000000009E8000-memory.dmp

Filesize
96KB

Download
memory/2036-17-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2036-2-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2036-1-0x00000000000A0000-0x0000000000198000-memory.dmp

Filesize
992KB

Download
memory/2764-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2764-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2764-21-0x0000000000190000-0x00000000001A4000-memory.dmp

Filesize
80KB

Download
memory/2764-18-0x0000000000A50000-0x0000000000D53000-memory.dmp

Filesize
3.0MB

Download
memory/2764-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2764-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2764-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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