formbook | acf03676e5dd002d0dc94a2b50e83dda78d287ee9b07ad2c9659688310015820

General

Target

MalwareBazaar.exe
Size

1.1MB
MD5

e5834e14777d7df91dc61f75c796e07a
SHA1

1307720fcf7f9df9dc5d3f7393229b92f56b2480
SHA256

acf03676e5dd002d0dc94a2b50e83dda78d287ee9b07ad2c9659688310015820
SHA512

048b73353999a417d239f488743656dee95b0b3b8ed8a0c8adca5ba9474ffbc2d22223d51e4b852bf6bbb189ad3bb127ae59f2d062e8171f77b0223b4bca31cc
SSDEEP

24576:/qDEvCTbMWu7rQYlBQcBiT6rprG8aLHqGzPdlAx:/TvC/MTQYxsWR7aLHbzPD

Score

10^/10

formbook ty31 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ty31

Decoy

jejakunik.com

inb319.com

jifsjn.buzz

gkyukon.site

43443.cfd

cogil69id.com

oeaog.com

lpgatm.com

mymarketsales.com

tomclk.icu

404417.online

nysconstruction.com

ourwisequote.com

ahsanadvisory.com

ottawaherps.com

forevermust.com

apartments-for-rent-47679.bond

kdasjijaksdd.icu

buthaynah.com

manggungjayakanopi.com

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/532-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/532-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1704-20-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3012 set thread context of 532	3012	MalwareBazaar.exe	30
PID 532 set thread context of 1200	532	svchost.exe	21
PID 1704 set thread context of 1200	1704	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MalwareBazaar.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	systray.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
532	svchost.exe
532	svchost.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe
1704	systray.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3012	MalwareBazaar.exe
532	svchost.exe
532	svchost.exe
532	svchost.exe
1704	systray.exe
1704	systray.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	532	svchost.exe
Token: SeDebugPrivilege	1704	systray.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
3012	MalwareBazaar.exe
3012	MalwareBazaar.exe
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3012	MalwareBazaar.exe
3012	MalwareBazaar.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 532	3012	MalwareBazaar.exe	30
PID 3012 wrote to memory of 532	3012	MalwareBazaar.exe	30
PID 3012 wrote to memory of 532	3012	MalwareBazaar.exe	30
PID 3012 wrote to memory of 532	3012	MalwareBazaar.exe	30
PID 3012 wrote to memory of 532	3012	MalwareBazaar.exe	30
PID 1200 wrote to memory of 1704	1200	Explorer.EXE	31
PID 1200 wrote to memory of 1704	1200	Explorer.EXE	31
PID 1200 wrote to memory of 1704	1200	Explorer.EXE	31
PID 1200 wrote to memory of 1704	1200	Explorer.EXE	31
PID 1704 wrote to memory of 2484	1704	systray.exe	33
PID 1704 wrote to memory of 2484	1704	systray.exe	33
PID 1704 wrote to memory of 2484	1704	systray.exe	33
PID 1704 wrote to memory of 2484	1704	systray.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
  "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:3012
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:532
- 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:1704
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2484

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/532-16-0x00000000001C0000-0x00000000001D4000-memory.dmp

Filesize
80KB

Download
memory/532-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/532-12-0x0000000000820000-0x0000000000B23000-memory.dmp

Filesize
3.0MB

Download
memory/532-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1200-28-0x00000000051D0000-0x0000000005336000-memory.dmp

Filesize
1.4MB

Download
memory/1200-17-0x0000000004EE0000-0x000000000507F000-memory.dmp

Filesize
1.6MB

Download
memory/1200-14-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/1200-23-0x0000000004EE0000-0x000000000507F000-memory.dmp

Filesize
1.6MB

Download
memory/1200-27-0x00000000051D0000-0x0000000005336000-memory.dmp

Filesize
1.4MB

Download
memory/1200-31-0x00000000051D0000-0x0000000005336000-memory.dmp

Filesize
1.4MB

Download
memory/1704-18-0x0000000000B20000-0x0000000000B25000-memory.dmp

Filesize
20KB

Download
memory/1704-20-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1704-19-0x0000000000B20000-0x0000000000B25000-memory.dmp

Filesize
20KB

Download
memory/3012-10-0x0000000000100000-0x0000000000104000-memory.dmp

Filesize
16KB

Download

Analysis

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