formbook | 0bd6d95e80ee61cc9a7127dfbf5c88bd73ba74b225f3a931b49c26c014f6efe7

General

Target

bjzfttovhy.exe
Size

59KB
MD5

8aaf366f0347501bad46a2593664c9fa
SHA1

8f80b099bc2eeee883fe6f3afb0b295cc9c10ec6
SHA256

266853551f6890103f71206b085307f1174b185f55b6b87aa3a3d3f189a1463f
SHA512

d0f4744479cff0f8f25fa312d502629041599aa97801a4ba1085e1cd4b12329d47f91fcfaa638c04274377534114934c2b94e07188355464498b08ed7f94a6a0
SSDEEP

1536:SvtLu0ZssXg2J2m3K5n2ETMCZQsuyXn5QnQCO:SCsPEvMCi32nCnQCO

Score

10^/10

formbook mn21 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

mn21

Decoy

h3k38c.icu

qbfstopp.com

butalip.xyz

hanghang.club

relativemotionsuspension.com

bjddjyfdc.com

patrichard.com

filyacat.com

mothertukker.co.uk

riescodesign.com

afierypulse.com

supplypartners.biz

ekkogroupmoment.com

ivnocup.com

lycyjzx.com

elbuensamaritanoinc.com

forzel.com

mykedairuncit.com

usuariosconsultasnet.store

idaparry.cfd

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral3/memory/2720-4-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral3/memory/2808-11-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2852	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2192 set thread context of 2720	2192	bjzfttovhy.exe	30
PID 2720 set thread context of 1192	2720	bjzfttovhy.exe	21
PID 2808 set thread context of 1192	2808	systray.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	bjzfttovhy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	systray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2720	bjzfttovhy.exe
2720	bjzfttovhy.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe
2808	systray.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2720	bjzfttovhy.exe
2720	bjzfttovhy.exe
2720	bjzfttovhy.exe
2808	systray.exe
2808	systray.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2720	bjzfttovhy.exe
Token: SeDebugPrivilege	2808	systray.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2720	2192	bjzfttovhy.exe	30
PID 2192 wrote to memory of 2720	2192	bjzfttovhy.exe	30
PID 2192 wrote to memory of 2720	2192	bjzfttovhy.exe	30
PID 2192 wrote to memory of 2720	2192	bjzfttovhy.exe	30
PID 2192 wrote to memory of 2720	2192	bjzfttovhy.exe	30
PID 1192 wrote to memory of 2808	1192	Explorer.EXE	31
PID 1192 wrote to memory of 2808	1192	Explorer.EXE	31
PID 1192 wrote to memory of 2808	1192	Explorer.EXE	31
PID 1192 wrote to memory of 2808	1192	Explorer.EXE	31
PID 2808 wrote to memory of 2852	2808	systray.exe	32
PID 2808 wrote to memory of 2852	2808	systray.exe	32
PID 2808 wrote to memory of 2852	2808	systray.exe	32
PID 2808 wrote to memory of 2852	2808	systray.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\bjzfttovhy.exe
  "C:\Users\Admin\AppData\Local\Temp\bjzfttovhy.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2192
- - C:\Users\Admin\AppData\Local\Temp\bjzfttovhy.exe
    "C:\Users\Admin\AppData\Local\Temp\bjzfttovhy.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2720
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.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:2808
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\bjzfttovhy.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2852

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/1192-5-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1192-6-0x0000000005010000-0x0000000005146000-memory.dmp

Filesize
1.2MB

Download
memory/1192-12-0x0000000005010000-0x0000000005146000-memory.dmp

Filesize
1.2MB

Download
memory/2192-0-0x0000000000140000-0x0000000000142000-memory.dmp

Filesize
8KB

Download
memory/2720-2-0x0000000000820000-0x0000000000B23000-memory.dmp

Filesize
3.0MB

Download
memory/2720-4-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2720-3-0x000000000041F000-0x0000000000420000-memory.dmp

Filesize
4KB

Download
memory/2808-10-0x00000000006B0000-0x00000000006B5000-memory.dmp

Filesize
20KB

Download
memory/2808-8-0x00000000006B0000-0x00000000006B5000-memory.dmp

Filesize
20KB

Download
memory/2808-11-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download

Analysis

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