formbook | 122c3bfcba514525c5bb55266591af83a1057650afd16bc0fd5e5fcd8cfbf0b0

General

Target

Payment invoice 549590.exe
Size

789KB
MD5

b0c0077f9a3dccb680b560ab59f77546
SHA1

ec032a6a884117be45db01ff057df7f6628b8f02
SHA256

9a7bd97ac102e6f0f5718cc18085ec685ff87b78956f97a2375a8883263beb54
SHA512

5cdfaf5c6a942f32c313822a878f970dcd16027c3ba9dbbe4386b4ca5c9c4bb2707c07dd3fd8a0e89602a70a53066c44760bd11964ea88fc690bc82fc59f10c6
SSDEEP

24576:ZEhsSrVbCx3YNCU0mP7Y7Vc3Cu5ektpc8+obx:RSlCyHwVz/ktpn+obx

Score

10^/10

formbook p25o discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

p25o

Decoy

hrist-centered-soulcare.net

pacerpa.shop

hicandcurvy.shop

ocfamilyto.llc

9ds87666.men

sia918ku.shop

nvestment-broker-35141.bond

ltralicencas.shop

g1lmb.cyou

eyo.live

pupt.rest

indsetperfection.net

1duqqrzs65zxz.bond

eren138-pro2.click

leaning-products-35959.bond

oodea.online

hlbadienug.info

innivip.bio

funnygame.top

roperty-in-dubai-f.pro

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2108-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2108-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2108-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2336-22-0x0000000000080000-0x00000000000AF000-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
932	powershell.exe

Deletes itself 1 IoCs

pid	Process
2780	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2368 set thread context of 2108	2368	Payment invoice 549590.exe	32
PID 2108 set thread context of 1252	2108	Payment invoice 549590.exe	21
PID 2108 set thread context of 1252	2108	Payment invoice 549590.exe	21
PID 2336 set thread context of 1252	2336	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 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payment invoice 549590.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
2336	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
2108	Payment invoice 549590.exe
2108	Payment invoice 549590.exe
932	powershell.exe
2108	Payment invoice 549590.exe
2336	NETSTAT.EXE
2336	NETSTAT.EXE
2336	NETSTAT.EXE
2336	NETSTAT.EXE
2336	NETSTAT.EXE
2336	NETSTAT.EXE
2336	NETSTAT.EXE
2336	NETSTAT.EXE
2336	NETSTAT.EXE
2336	NETSTAT.EXE
2336	NETSTAT.EXE
2336	NETSTAT.EXE
2336	NETSTAT.EXE
2336	NETSTAT.EXE
2336	NETSTAT.EXE
2336	NETSTAT.EXE
2336	NETSTAT.EXE
2336	NETSTAT.EXE
2336	NETSTAT.EXE
2336	NETSTAT.EXE
2336	NETSTAT.EXE
2336	NETSTAT.EXE
2336	NETSTAT.EXE
2336	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2108	Payment invoice 549590.exe
2108	Payment invoice 549590.exe
2108	Payment invoice 549590.exe
2108	Payment invoice 549590.exe
2336	NETSTAT.EXE
2336	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2108	Payment invoice 549590.exe
Token: SeDebugPrivilege	932	powershell.exe
Token: SeDebugPrivilege	2336	NETSTAT.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 932	2368	Payment invoice 549590.exe	31
PID 2368 wrote to memory of 932	2368	Payment invoice 549590.exe	31
PID 2368 wrote to memory of 932	2368	Payment invoice 549590.exe	31
PID 2368 wrote to memory of 932	2368	Payment invoice 549590.exe	31
PID 2368 wrote to memory of 2108	2368	Payment invoice 549590.exe	32
PID 2368 wrote to memory of 2108	2368	Payment invoice 549590.exe	32
PID 2368 wrote to memory of 2108	2368	Payment invoice 549590.exe	32
PID 2368 wrote to memory of 2108	2368	Payment invoice 549590.exe	32
PID 2368 wrote to memory of 2108	2368	Payment invoice 549590.exe	32
PID 2368 wrote to memory of 2108	2368	Payment invoice 549590.exe	32
PID 2368 wrote to memory of 2108	2368	Payment invoice 549590.exe	32
PID 1252 wrote to memory of 2336	1252	Explorer.EXE	34
PID 1252 wrote to memory of 2336	1252	Explorer.EXE	34
PID 1252 wrote to memory of 2336	1252	Explorer.EXE	34
PID 1252 wrote to memory of 2336	1252	Explorer.EXE	34
PID 2336 wrote to memory of 2780	2336	NETSTAT.EXE	35
PID 2336 wrote to memory of 2780	2336	NETSTAT.EXE	35
PID 2336 wrote to memory of 2780	2336	NETSTAT.EXE	35
PID 2336 wrote to memory of 2780	2336	NETSTAT.EXE	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1252
- C:\Users\Admin\AppData\Local\Temp\Payment invoice 549590.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment invoice 549590.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Payment invoice 549590.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:932
- - C:\Users\Admin\AppData\Local\Temp\Payment invoice 549590.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment invoice 549590.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2108
- 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:2336
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Payment invoice 549590.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

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

Replay Monitor

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Downloads

memory/2108-15-0x0000000000830000-0x0000000000B33000-memory.dmp

Filesize
3.0MB

Download
memory/2108-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2108-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2108-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2108-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2108-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2108-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2336-22-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2336-21-0x0000000000930000-0x0000000000939000-memory.dmp

Filesize
36KB

Download
memory/2368-5-0x00000000745F0000-0x0000000074CDE000-memory.dmp

Filesize
6.9MB

Download
memory/2368-4-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/2368-14-0x00000000745F0000-0x0000000074CDE000-memory.dmp

Filesize
6.9MB

Download
memory/2368-0-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/2368-2-0x00000000745F0000-0x0000000074CDE000-memory.dmp

Filesize
6.9MB

Download
memory/2368-6-0x00000000051F0000-0x0000000005278000-memory.dmp

Filesize
544KB

Download
memory/2368-1-0x0000000000FD0000-0x000000000109A000-memory.dmp

Filesize
808KB

Download
memory/2368-3-0x0000000000490000-0x00000000004A2000-memory.dmp

Filesize
72KB

Download

Analysis

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