formbook | 413ad4daf54c1b3c50f35aa2afb87a3582589599bb20085ccb7b89eb5acccee8

General

Target

Invoice.exe
Size

1016KB
MD5

9b4ced2b69f0a58d749d55000eb91ae5
SHA1

ba4a20794dbde2aee9bee224a586a0187c050441
SHA256

413ad4daf54c1b3c50f35aa2afb87a3582589599bb20085ccb7b89eb5acccee8
SHA512

22d8c59d0aeb4e91b18ea9c0e18f9512331172063a389faeb7918b5fa2b3724c35386539a821119caa8c726dff2ab3e99c89f2f714ac56d32fa30d49ec0f4667
SSDEEP

12288:BkR62k+U7wxvAv/RO2jN5FszavHtVZy2lGv2t95zsF8ZxPG102efT:yU7waOoszavHE2ln9xsuZIP

Score

10^/10

formbook ejgp rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

ejgp

Decoy

+0NM3RekW0bfgQ==

iQmI3Aw2aoOljoA0XZi1

5Ei2CVwQyOgZwV/u4eiMFdKqc84=

ImSvoul9o0reZ9TKUAUkXgw=

kuCrMIco5vT3sxCUQ+pYsVoG7Q==

btgpLo8XM+qHGLzoizgjRg==

fqK2iM5vW0bfgQ==

ObS1UE+TByKRZozamdULr0naXbKPLA==

bcohBkmNNcpp3gJ/XE2/mBs=

yY5b/cLb3+0llg==

GVEVqBNXl7Kic2Sm

Tqpt2tTlW0bfgQ==

eurYRI7UFDBjDbzpIJKz

7wwDuczemAaJNrrpIJKz

bprQyLvLEj+hhMLHHg==

qdoAqq/XOjh0ItzLLJpHBgxoJgM2

gr5SnMA66BpM8+hUM+iawNKeZsQ=

XLoO6yFTsdNuEYpUPfScwqXEk7dqBnU=

vS2Cjfg0tqBF1GpuHemLV8/g4wUwPspS

U5wqXJjP/u/qg3sE+YKsgVVByFw+

Signatures

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

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1972 set thread context of 864	1972	Invoice.exe	32
PID 864 set thread context of 1224	864	RegSvcs.exe	17
PID 1912 set thread context of 1224	1912	NETSTAT.EXE	17

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
948	schtasks.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command-Line Interface

T1059

pid	Process
1912	NETSTAT.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
1972	Invoice.exe
1972	Invoice.exe
1776	powershell.exe
864	RegSvcs.exe
864	RegSvcs.exe
864	RegSvcs.exe
864	RegSvcs.exe
1912	NETSTAT.EXE
1912	NETSTAT.EXE
1912	NETSTAT.EXE
1912	NETSTAT.EXE
1912	NETSTAT.EXE
1912	NETSTAT.EXE
1912	NETSTAT.EXE
1912	NETSTAT.EXE
1912	NETSTAT.EXE
1912	NETSTAT.EXE
1912	NETSTAT.EXE
1912	NETSTAT.EXE
1912	NETSTAT.EXE
1912	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
864	RegSvcs.exe
864	RegSvcs.exe
864	RegSvcs.exe
1912	NETSTAT.EXE
1912	NETSTAT.EXE
1912	NETSTAT.EXE
1912	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1972	Invoice.exe
Token: SeDebugPrivilege	1776	powershell.exe
Token: SeDebugPrivilege	864	RegSvcs.exe
Token: SeDebugPrivilege	1912	NETSTAT.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1224	Explorer.EXE
1224	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1224	Explorer.EXE
1224	Explorer.EXE

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 1776	1972	Invoice.exe	28
PID 1972 wrote to memory of 1776	1972	Invoice.exe	28
PID 1972 wrote to memory of 1776	1972	Invoice.exe	28
PID 1972 wrote to memory of 1776	1972	Invoice.exe	28
PID 1972 wrote to memory of 948	1972	Invoice.exe	30
PID 1972 wrote to memory of 948	1972	Invoice.exe	30
PID 1972 wrote to memory of 948	1972	Invoice.exe	30
PID 1972 wrote to memory of 948	1972	Invoice.exe	30
PID 1972 wrote to memory of 864	1972	Invoice.exe	32
PID 1972 wrote to memory of 864	1972	Invoice.exe	32
PID 1972 wrote to memory of 864	1972	Invoice.exe	32
PID 1972 wrote to memory of 864	1972	Invoice.exe	32
PID 1972 wrote to memory of 864	1972	Invoice.exe	32
PID 1972 wrote to memory of 864	1972	Invoice.exe	32
PID 1972 wrote to memory of 864	1972	Invoice.exe	32
PID 1972 wrote to memory of 864	1972	Invoice.exe	32
PID 1972 wrote to memory of 864	1972	Invoice.exe	32
PID 1972 wrote to memory of 864	1972	Invoice.exe	32
PID 1224 wrote to memory of 1912	1224	Explorer.EXE	33
PID 1224 wrote to memory of 1912	1224	Explorer.EXE	33
PID 1224 wrote to memory of 1912	1224	Explorer.EXE	33
PID 1224 wrote to memory of 1912	1224	Explorer.EXE	33
PID 1912 wrote to memory of 1992	1912	NETSTAT.EXE	35
PID 1912 wrote to memory of 1992	1912	NETSTAT.EXE	35
PID 1912 wrote to memory of 1992	1912	NETSTAT.EXE	35
PID 1912 wrote to memory of 1992	1912	NETSTAT.EXE	35
PID 1912 wrote to memory of 1992	1912	NETSTAT.EXE	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1224
- C:\Users\Admin\AppData\Local\Temp\Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1972
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UxRAnn.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1776
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UxRAnn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAD02.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:948
- - 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:864
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - Gathers network information
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1912
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1992

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

Scheduled Task

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpAD02.tmp

Filesize
1KB

MD5
550102a252cff37e5387f984d9920512

SHA1
cf7f45028c19d2180c9e13bb717dc3fac6a16acc

SHA256
f6bb20c369d3324354c6514c290d86570a6c5a5da1f1599b06cf9ceb9f3163fe

SHA512
d9cef89c14bb0fc6dba2952bba1fb9ae9c98a8c4060facb0af58058eba417087c9a0a34b542a1d42c1dcd9a46f716377d485b12a64d5b627396459ecf2e02720

Download Submit
memory/864-64-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/864-73-0x0000000000130000-0x0000000000140000-memory.dmp

Filesize
64KB

Download
memory/864-72-0x00000000008B0000-0x0000000000BB3000-memory.dmp

Filesize
3.0MB

Download
memory/864-70-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/864-67-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/864-65-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1224-83-0x0000000006270000-0x00000000063BC000-memory.dmp

Filesize
1.3MB

Download
memory/1224-80-0x0000000006270000-0x00000000063BC000-memory.dmp

Filesize
1.3MB

Download
memory/1224-74-0x0000000003B70000-0x0000000003C79000-memory.dmp

Filesize
1.0MB

Download
memory/1776-71-0x000000006E970000-0x000000006EF1B000-memory.dmp

Filesize
5.7MB

Download
memory/1912-78-0x00000000021A0000-0x00000000024A3000-memory.dmp

Filesize
3.0MB

Download
memory/1912-76-0x0000000000B60000-0x0000000000B69000-memory.dmp

Filesize
36KB

Download
memory/1912-77-0x00000000000C0000-0x00000000000EB000-memory.dmp

Filesize
172KB

Download
memory/1912-79-0x0000000000AD0000-0x0000000000B5F000-memory.dmp

Filesize
572KB

Download
memory/1912-81-0x00000000000C0000-0x00000000000EB000-memory.dmp

Filesize
172KB

Download
memory/1972-56-0x0000000000530000-0x000000000054A000-memory.dmp

Filesize
104KB

Download
memory/1972-55-0x0000000075501000-0x0000000075503000-memory.dmp

Filesize
8KB

Download
memory/1972-57-0x00000000005B0000-0x00000000005BC000-memory.dmp

Filesize
48KB

Download
memory/1972-63-0x0000000004E00000-0x0000000004E32000-memory.dmp

Filesize
200KB

Download
memory/1972-58-0x0000000005500000-0x000000000558C000-memory.dmp

Filesize
560KB

Download
memory/1972-54-0x0000000001200000-0x0000000001304000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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