formbook | cbfdeb71b1ac7005db8f731de7bfea8471ef47c2ab2e1d0414719c549da8c3c1

General

Target

New Inquiry INQ24561.exe
Size

730KB
MD5

242e931a4997047fa504b494b98dc761
SHA1

e1f2a5c2183c4c2ef83af5665a8786b2cde5e7f0
SHA256

cbfdeb71b1ac7005db8f731de7bfea8471ef47c2ab2e1d0414719c549da8c3c1
SHA512

12a6b8315707164c3f62085976c4cc2f51e221d94bb5a1b45d31bd196d5a20ed2f2aa3a4a02539a19479cd0975e3baa54ade6901b9819d0928e899ec94d2fa81
SSDEEP

12288:/JDWYTRyPVZvXPVrDn+08g5QJm5xymVD75p6c0LKhrX2:hDWYTRy/V/nLP5Q8D75s4hrm

Score

10^/10

formbook md49 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

md49

Decoy

enithpro.shop

utozeed.agency

ornpicsbd.xyz

82yjj301.top

kphone.online

3ccha73hdl5.shop

seinow.online

usurrofest.info

2ads2s2.top

oritskul.net

etlivecasino.bet

erts.navy

anieubezpieczenia.online

dyhph1020pm.top

paceglide.space

ibmedia.net

arwyking.icu

soriaticarthritis101.today

earopia.shop

gctg2qt4h.top

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
behavioral1/memory/1296-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1296-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1296-22-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1448-29-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2636	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1076 set thread context of 1296	1076	New Inquiry INQ24561.exe	30
PID 1296 set thread context of 1196	1296	New Inquiry INQ24561.exe	21
PID 1296 set thread context of 1196	1296	New Inquiry INQ24561.exe	21
PID 1448 set thread context of 1196	1448	ipconfig.exe	21

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	New Inquiry INQ24561.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	New Inquiry INQ24561.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
1448	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
1296	New Inquiry INQ24561.exe
1296	New Inquiry INQ24561.exe
1296	New Inquiry INQ24561.exe
1448	ipconfig.exe
1448	ipconfig.exe
1448	ipconfig.exe
1448	ipconfig.exe
1448	ipconfig.exe
1448	ipconfig.exe
1448	ipconfig.exe
1448	ipconfig.exe
1448	ipconfig.exe
1448	ipconfig.exe
1448	ipconfig.exe
1448	ipconfig.exe
1448	ipconfig.exe
1448	ipconfig.exe
1448	ipconfig.exe
1448	ipconfig.exe
1448	ipconfig.exe
1448	ipconfig.exe
1448	ipconfig.exe
1448	ipconfig.exe
1448	ipconfig.exe
1448	ipconfig.exe
1448	ipconfig.exe
1448	ipconfig.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1296	New Inquiry INQ24561.exe
1296	New Inquiry INQ24561.exe
1296	New Inquiry INQ24561.exe
1296	New Inquiry INQ24561.exe
1448	ipconfig.exe
1448	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1296	New Inquiry INQ24561.exe
Token: SeDebugPrivilege	1448	ipconfig.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 1296	1076	New Inquiry INQ24561.exe	30
PID 1076 wrote to memory of 1296	1076	New Inquiry INQ24561.exe	30
PID 1076 wrote to memory of 1296	1076	New Inquiry INQ24561.exe	30
PID 1076 wrote to memory of 1296	1076	New Inquiry INQ24561.exe	30
PID 1076 wrote to memory of 1296	1076	New Inquiry INQ24561.exe	30
PID 1076 wrote to memory of 1296	1076	New Inquiry INQ24561.exe	30
PID 1076 wrote to memory of 1296	1076	New Inquiry INQ24561.exe	30
PID 1296 wrote to memory of 1448	1296	New Inquiry INQ24561.exe	32
PID 1296 wrote to memory of 1448	1296	New Inquiry INQ24561.exe	32
PID 1296 wrote to memory of 1448	1296	New Inquiry INQ24561.exe	32
PID 1296 wrote to memory of 1448	1296	New Inquiry INQ24561.exe	32
PID 1448 wrote to memory of 2636	1448	ipconfig.exe	33
PID 1448 wrote to memory of 2636	1448	ipconfig.exe	33
PID 1448 wrote to memory of 2636	1448	ipconfig.exe	33
PID 1448 wrote to memory of 2636	1448	ipconfig.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\New Inquiry INQ24561.exe
  "C:\Users\Admin\AppData\Local\Temp\New Inquiry INQ24561.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1076
- - C:\Users\Admin\AppData\Local\Temp\New Inquiry INQ24561.exe
    "C:\Users\Admin\AppData\Local\Temp\New Inquiry INQ24561.exe"
    3⤵
    - 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:1296
  - - C:\Windows\SysWOW64\ipconfig.exe
      "C:\Windows\SysWOW64\ipconfig.exe"
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Gathers network information
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1448
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\New Inquiry INQ24561.exe"
        5⤵
        Deletes itself
        System Location Discovery: System Language Discovery
        
        PID:2636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

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/1076-14-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download
memory/1076-1-0x0000000000F30000-0x0000000000FEC000-memory.dmp

Filesize
752KB

Download
memory/1076-2-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download
memory/1076-3-0x00000000003F0000-0x000000000040C000-memory.dmp

Filesize
112KB

Download
memory/1076-4-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

Filesize
4KB

Download
memory/1076-5-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download
memory/1076-6-0x0000000000510000-0x0000000000586000-memory.dmp

Filesize
472KB

Download
memory/1076-0-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

Filesize
4KB

Download
memory/1196-24-0x0000000006370000-0x0000000006426000-memory.dmp

Filesize
728KB

Download
memory/1196-25-0x0000000007060000-0x00000000071E7000-memory.dmp

Filesize
1.5MB

Download
memory/1196-28-0x0000000007060000-0x00000000071E7000-memory.dmp

Filesize
1.5MB

Download
memory/1196-19-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1196-20-0x0000000006370000-0x0000000006426000-memory.dmp

Filesize
728KB

Download
memory/1296-15-0x0000000000910000-0x0000000000C13000-memory.dmp

Filesize
3.0MB

Download
memory/1296-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1296-18-0x0000000000140000-0x0000000000155000-memory.dmp

Filesize
84KB

Download
memory/1296-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1296-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1296-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1296-23-0x0000000000190000-0x00000000001A5000-memory.dmp

Filesize
84KB

Download
memory/1296-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1296-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1448-26-0x0000000000FB0000-0x0000000000FBA000-memory.dmp

Filesize
40KB

Download
memory/1448-27-0x0000000000FB0000-0x0000000000FBA000-memory.dmp

Filesize
40KB

Download
memory/1448-29-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

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