formbook | e4ec8ac5acae00db2b97ac230b4fca234066f0e58f1c3cf08e8b079ea7701b46

General

Target

e4ec8ac5acae00db2b97ac230b4fca234066f0e58f1c3cf08e8b079ea7701b46.xlsx
Size

1.2MB
MD5

05222dbbdceb4922e6595572589d1d97
SHA1

db8ddf9a30d3487fe17b7cb416fdd6ca9db6e606
SHA256

e4ec8ac5acae00db2b97ac230b4fca234066f0e58f1c3cf08e8b079ea7701b46
SHA512

3104c1e92aefd4ea0ee7f7426e268b4a52f221ad0587507c47ec653a5038801c162796480f098175bcc81a2a7a12a26ff1914aa64e1f76342495748021b13008
SSDEEP

24576:j5Wt2EYaA1SI4ps+o4+G4KwZK5j8zqjD0JZ4EJ9Wv8iSYvsIDAWzADu:9tExA1SFt3pj8zqf0J2EfWv5SUZAq

Score

10^/10

formbook mtpi discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

mtpi

Decoy

noriel.top

fast-profit.xyz

octominer.shop

perm-donor-unitedkingdom.today

techtalks.live

car-deals-83345.bond

aviso-pontos.net

luxmarty.online

signes.info

coinshift.finance

lanangkia.fun

outdoorpatioumbrellastore.shop

kvasilkov.dev

aviatorgamesplay.xyz

seeasalstcornwalls.shop

erdekescortg.xyz

binhminhhoamaiaqst.site

sumeyramodam.xyz

42825.club

agriroccella.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/1604-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1604-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2080-20-0x0000000000090000-0x00000000000BF000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

flow	pid	Process
5	2112	EQNEDT32.EXE

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
1300	word.exe

Loads dropped DLL 1 IoCs

pid	Process
2112	EQNEDT32.EXE

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x0008000000016cab-7.dat	autoit_exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1300 set thread context of 1604	1300	word.exe	33
PID 1604 set thread context of 1232	1604	svchost.exe	21
PID 1604 set thread context of 1232	1604	svchost.exe	21
PID 2080 set thread context of 1232	2080	msiexec.exe	21

System Location Discovery: System Language Discovery 1 TTPs 6 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	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EQNEDT32.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	word.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Launches Equation Editor 1 TTPs 1 IoCs

Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

exploit

Exploitation for Client Execution

T1203

pid	Process
2112	EQNEDT32.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1088	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1604	svchost.exe
1604	svchost.exe
1604	svchost.exe
2080	msiexec.exe
2080	msiexec.exe
2080	msiexec.exe
2080	msiexec.exe
2080	msiexec.exe
2080	msiexec.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1300	word.exe
1604	svchost.exe
1604	svchost.exe
1604	svchost.exe
1604	svchost.exe
2080	msiexec.exe
2080	msiexec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1604	svchost.exe
Token: SeDebugPrivilege	2080	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1300	word.exe
1300	word.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1300	word.exe
1300	word.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1088	EXCEL.EXE
1088	EXCEL.EXE
1088	EXCEL.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 1300	2112	EQNEDT32.EXE	32
PID 2112 wrote to memory of 1300	2112	EQNEDT32.EXE	32
PID 2112 wrote to memory of 1300	2112	EQNEDT32.EXE	32
PID 2112 wrote to memory of 1300	2112	EQNEDT32.EXE	32
PID 1300 wrote to memory of 1604	1300	word.exe	33
PID 1300 wrote to memory of 1604	1300	word.exe	33
PID 1300 wrote to memory of 1604	1300	word.exe	33
PID 1300 wrote to memory of 1604	1300	word.exe	33
PID 1300 wrote to memory of 1604	1300	word.exe	33
PID 1604 wrote to memory of 2080	1604	svchost.exe	49
PID 1604 wrote to memory of 2080	1604	svchost.exe	49
PID 1604 wrote to memory of 2080	1604	svchost.exe	49
PID 1604 wrote to memory of 2080	1604	svchost.exe	49
PID 1604 wrote to memory of 2080	1604	svchost.exe	49
PID 1604 wrote to memory of 2080	1604	svchost.exe	49
PID 1604 wrote to memory of 2080	1604	svchost.exe	49
PID 2080 wrote to memory of 2032	2080	msiexec.exe	50
PID 2080 wrote to memory of 2032	2080	msiexec.exe	50
PID 2080 wrote to memory of 2032	2080	msiexec.exe	50
PID 2080 wrote to memory of 2032	2080	msiexec.exe	50

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1232
- C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
  "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\e4ec8ac5acae00db2b97ac230b4fca234066f0e58f1c3cf08e8b079ea7701b46.xlsx
  2⤵
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of SetWindowsHookEx
  PID:1088
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1720
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2136
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2104
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2140
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2096
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1416
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2000
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2028
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1680
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2144
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2552
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2568
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2968
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2972
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2900

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Users\Admin\AppData\Roaming\word.exe
  C:\Users\Admin\AppData\Roaming\word.exe
  2⤵
  - Executes dropped EXE
  - 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:1300
- - C:\Windows\SysWOW64\svchost.exe
    C:\Users\Admin\AppData\Roaming\word.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:1604
  - - C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\SysWOW64\msiexec.exe"
      4⤵
      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:2080
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\SysWOW64\svchost.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Exploitation for Client Execution

1

T1203

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

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

\Users\Admin\AppData\Roaming\word.exe

Filesize
1.7MB

MD5
b9e6de601e46969285f8404037e6945c

SHA1
5ec6810032a714313ef59e91f0e99f0290b0082f

SHA256
8ff4aa420b467d77ecbf03d401cb1f1201b946f35dbc34f31c8fc0269e3465e2

SHA512
67239a8c5615654dbe15982b2548fc4d3f7a3e2ee1f7de7d6a795649acfd09775034cddb4f1ef3b4849b7fa815f2efe843e9ce07637accba0ab9c08fe0d6da31

Download Submit
memory/1088-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1088-1-0x000000007221D000-0x0000000072228000-memory.dmp

Filesize
44KB

Download
memory/1088-2-0x000000007221D000-0x0000000072228000-memory.dmp

Filesize
44KB

Download
memory/1232-21-0x0000000006650000-0x000000000676A000-memory.dmp

Filesize
1.1MB

Download
memory/1604-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1604-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2080-17-0x0000000000B70000-0x0000000000B84000-memory.dmp

Filesize
80KB

Download
memory/2080-19-0x0000000000B70000-0x0000000000B84000-memory.dmp

Filesize
80KB

Download
memory/2080-20-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download

Analysis

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