formbook | 7db35f373ff7a17469cf0e111a7ca2bc76bb172afe87d69e7ccfae173e7f6701

General

Target

Copia de transferencia bancaria.exe
Size

971KB
MD5

8ee464229bdaac78e1354a7ff334af85
SHA1

a566511090198f92b82e07c1675b256f6c91e923
SHA256

8095979c4153bbcced38a6ee12589fbb67f356535a91cf22e26413ee3f1c4e34
SHA512

836274df2b83188718400c22b71becbf445d2f128cdfbc342cb62cb3655cc70441a638705911c449f500748e7be13082a11ac4d261a03e9c805cdf10e3e1ab87
SSDEEP

12288:Ntcg0r9tDZddpnLnv2hVSKRytHxnrceHMcrIaPy1FTAUI4kSxv1/:Nt893hSh0K0pxVIaPy1FW41

Score

10^/10

formbook de19 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

de19

Decoy

predictivemedicine.life

coloringforthepeople.com

project154.com

usmmexchange.com

bootzxon.com

chaoge730.com

thenaci.com

moviestarplent.com

musicallyengaged.com

sneakerspark.net

yudist.com

apqrcx.xyz

traceless.tel

guardlanavionics.com

usadogrights.com

openei.club

aventusluxury.com

telewebin.com

godrej-threeparks.net

solbysol.com

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
behavioral1/memory/2612-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2656-25-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2776	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1916 set thread context of 2612	1916	Copia de transferencia bancaria.exe	35
PID 2612 set thread context of 1208	2612	RegSvcs.exe	21
PID 2656 set thread context of 1208	2656	NETSTAT.EXE	21

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	Copia de transferencia bancaria.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NETSTAT.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
2656	NETSTAT.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2636	schtasks.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
2612	RegSvcs.exe
2612	RegSvcs.exe
2776	powershell.exe
2656	NETSTAT.EXE
2656	NETSTAT.EXE
2656	NETSTAT.EXE
2656	NETSTAT.EXE
2656	NETSTAT.EXE
2656	NETSTAT.EXE
2656	NETSTAT.EXE
2656	NETSTAT.EXE
2656	NETSTAT.EXE
2656	NETSTAT.EXE
2656	NETSTAT.EXE
2656	NETSTAT.EXE
2656	NETSTAT.EXE
2656	NETSTAT.EXE
2656	NETSTAT.EXE
2656	NETSTAT.EXE
2656	NETSTAT.EXE
2656	NETSTAT.EXE
2656	NETSTAT.EXE
2656	NETSTAT.EXE
2656	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2612	RegSvcs.exe
2612	RegSvcs.exe
2612	RegSvcs.exe
2656	NETSTAT.EXE
2656	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2612	RegSvcs.exe
Token: SeDebugPrivilege	2776	powershell.exe
Token: SeDebugPrivilege	2656	NETSTAT.EXE

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 2776	1916	Copia de transferencia bancaria.exe	31
PID 1916 wrote to memory of 2776	1916	Copia de transferencia bancaria.exe	31
PID 1916 wrote to memory of 2776	1916	Copia de transferencia bancaria.exe	31
PID 1916 wrote to memory of 2776	1916	Copia de transferencia bancaria.exe	31
PID 1916 wrote to memory of 2636	1916	Copia de transferencia bancaria.exe	33
PID 1916 wrote to memory of 2636	1916	Copia de transferencia bancaria.exe	33
PID 1916 wrote to memory of 2636	1916	Copia de transferencia bancaria.exe	33
PID 1916 wrote to memory of 2636	1916	Copia de transferencia bancaria.exe	33
PID 1916 wrote to memory of 2612	1916	Copia de transferencia bancaria.exe	35
PID 1916 wrote to memory of 2612	1916	Copia de transferencia bancaria.exe	35
PID 1916 wrote to memory of 2612	1916	Copia de transferencia bancaria.exe	35
PID 1916 wrote to memory of 2612	1916	Copia de transferencia bancaria.exe	35
PID 1916 wrote to memory of 2612	1916	Copia de transferencia bancaria.exe	35
PID 1916 wrote to memory of 2612	1916	Copia de transferencia bancaria.exe	35
PID 1916 wrote to memory of 2612	1916	Copia de transferencia bancaria.exe	35
PID 1916 wrote to memory of 2612	1916	Copia de transferencia bancaria.exe	35
PID 1916 wrote to memory of 2612	1916	Copia de transferencia bancaria.exe	35
PID 1916 wrote to memory of 2612	1916	Copia de transferencia bancaria.exe	35
PID 1208 wrote to memory of 2656	1208	Explorer.EXE	36
PID 1208 wrote to memory of 2656	1208	Explorer.EXE	36
PID 1208 wrote to memory of 2656	1208	Explorer.EXE	36
PID 1208 wrote to memory of 2656	1208	Explorer.EXE	36
PID 2656 wrote to memory of 1724	2656	NETSTAT.EXE	37
PID 2656 wrote to memory of 1724	2656	NETSTAT.EXE	37
PID 2656 wrote to memory of 1724	2656	NETSTAT.EXE	37
PID 2656 wrote to memory of 1724	2656	NETSTAT.EXE	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\Copia de transferencia bancaria.exe
  "C:\Users\Admin\AppData\Local\Temp\Copia de transferencia bancaria.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1916
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\inKcSqSKZsI.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2776
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\inKcSqSKZsI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5763.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2636
- - 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:2612
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - 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:2656
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5763.tmp

Filesize
1KB

MD5
10dba6203c11a7296467a156891e17ea

SHA1
e03e340da1663fba516c93a3bf776bf199623f56

SHA256
6892043d868a3f1b47b757eb8f41d1c2302e2e64305659d7096855008edaed55

SHA512
33e0353ced85b8bb0263164f05a5e5a3bbca67828b51daa73e3d76bb6c142d639034b991df949c0e111e7986e3b8eaf214064e5f2e3bf5d7a02920d2f8d641e9

Download Submit
memory/1916-4-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/1916-7-0x0000000005F70000-0x0000000006034000-memory.dmp

Filesize
784KB

Download
memory/1916-3-0x0000000000910000-0x0000000000924000-memory.dmp

Filesize
80KB

Download
memory/1916-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/1916-13-0x0000000005D20000-0x0000000005D8C000-memory.dmp

Filesize
432KB

Download
memory/1916-6-0x00000000009D0000-0x00000000009DC000-memory.dmp

Filesize
48KB

Download
memory/1916-2-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/1916-1-0x0000000000AD0000-0x0000000000BCA000-memory.dmp

Filesize
1000KB

Download
memory/1916-5-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/1916-22-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2612-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2612-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2612-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2612-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2656-24-0x00000000003E0000-0x00000000003E9000-memory.dmp

Filesize
36KB

Download
memory/2656-25-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads