formbook | a99e96240277999d6ac2c51b1071298e9488a4e08a24f3ac934c8c1d5f68fa0e

General

Target

a99e96240277999d6ac2c51b1071298e9488a4e08a24f3ac934c8c1d5f68fa0e.exe
Size

586KB
MD5

dab8524799291672da26cee346c4dffc
SHA1

c6a796dd80af49571da33151594ff87268587473
SHA256

a99e96240277999d6ac2c51b1071298e9488a4e08a24f3ac934c8c1d5f68fa0e
SHA512

a70eb0635b1a71baf8efa8495d073b2a37e692d3fa87ab12c977d7f45ba90b0f042927b1faa99e19ad8e15b92ce76cdcc9fbf5293db3a12fc2d55513ce06dd8c
SSDEEP

12288:To0nsDOVMMVJBTYeA8paM0C8da9lrVxSZEPnag8n8xcNWe1WbPkdG/m1sCSs2m:Pnp6JKH0F89fCcaDnPRhsCz2

Score

10^/10

formbook md49 discovery execution 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 3 IoCs

rat

resource	yara_rule
behavioral1/memory/3048-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3048-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2692-22-0x00000000000F0000-0x000000000011F000-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
2408	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1716 set thread context of 3048	1716	a99e96240277999d6ac2c51b1071298e9488a4e08a24f3ac934c8c1d5f68fa0e.exe	33
PID 3048 set thread context of 1188	3048	MSBuild.exe	21
PID 2692 set thread context of 1188	2692	wuapp.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	wuapp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a99e96240277999d6ac2c51b1071298e9488a4e08a24f3ac934c8c1d5f68fa0e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1716	a99e96240277999d6ac2c51b1071298e9488a4e08a24f3ac934c8c1d5f68fa0e.exe
1716	a99e96240277999d6ac2c51b1071298e9488a4e08a24f3ac934c8c1d5f68fa0e.exe
3048	MSBuild.exe
3048	MSBuild.exe
2408	powershell.exe
2692	wuapp.exe
2692	wuapp.exe
2692	wuapp.exe
2692	wuapp.exe
2692	wuapp.exe
2692	wuapp.exe
2692	wuapp.exe
2692	wuapp.exe
2692	wuapp.exe
2692	wuapp.exe
2692	wuapp.exe
2692	wuapp.exe
2692	wuapp.exe
2692	wuapp.exe
2692	wuapp.exe
2692	wuapp.exe
2692	wuapp.exe
2692	wuapp.exe
2692	wuapp.exe
2692	wuapp.exe
2692	wuapp.exe
2692	wuapp.exe
2692	wuapp.exe
2692	wuapp.exe
2692	wuapp.exe
2692	wuapp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3048	MSBuild.exe
3048	MSBuild.exe
3048	MSBuild.exe
2692	wuapp.exe
2692	wuapp.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1716	a99e96240277999d6ac2c51b1071298e9488a4e08a24f3ac934c8c1d5f68fa0e.exe
Token: SeDebugPrivilege	3048	MSBuild.exe
Token: SeDebugPrivilege	2408	powershell.exe
Token: SeDebugPrivilege	2692	wuapp.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 2408	1716	a99e96240277999d6ac2c51b1071298e9488a4e08a24f3ac934c8c1d5f68fa0e.exe	31
PID 1716 wrote to memory of 2408	1716	a99e96240277999d6ac2c51b1071298e9488a4e08a24f3ac934c8c1d5f68fa0e.exe	31
PID 1716 wrote to memory of 2408	1716	a99e96240277999d6ac2c51b1071298e9488a4e08a24f3ac934c8c1d5f68fa0e.exe	31
PID 1716 wrote to memory of 2408	1716	a99e96240277999d6ac2c51b1071298e9488a4e08a24f3ac934c8c1d5f68fa0e.exe	31
PID 1716 wrote to memory of 3048	1716	a99e96240277999d6ac2c51b1071298e9488a4e08a24f3ac934c8c1d5f68fa0e.exe	33
PID 1716 wrote to memory of 3048	1716	a99e96240277999d6ac2c51b1071298e9488a4e08a24f3ac934c8c1d5f68fa0e.exe	33
PID 1716 wrote to memory of 3048	1716	a99e96240277999d6ac2c51b1071298e9488a4e08a24f3ac934c8c1d5f68fa0e.exe	33
PID 1716 wrote to memory of 3048	1716	a99e96240277999d6ac2c51b1071298e9488a4e08a24f3ac934c8c1d5f68fa0e.exe	33
PID 1716 wrote to memory of 3048	1716	a99e96240277999d6ac2c51b1071298e9488a4e08a24f3ac934c8c1d5f68fa0e.exe	33
PID 1716 wrote to memory of 3048	1716	a99e96240277999d6ac2c51b1071298e9488a4e08a24f3ac934c8c1d5f68fa0e.exe	33
PID 1716 wrote to memory of 3048	1716	a99e96240277999d6ac2c51b1071298e9488a4e08a24f3ac934c8c1d5f68fa0e.exe	33
PID 1188 wrote to memory of 2692	1188	Explorer.EXE	34
PID 1188 wrote to memory of 2692	1188	Explorer.EXE	34
PID 1188 wrote to memory of 2692	1188	Explorer.EXE	34
PID 1188 wrote to memory of 2692	1188	Explorer.EXE	34
PID 1188 wrote to memory of 2692	1188	Explorer.EXE	34
PID 1188 wrote to memory of 2692	1188	Explorer.EXE	34
PID 1188 wrote to memory of 2692	1188	Explorer.EXE	34
PID 2692 wrote to memory of 2884	2692	wuapp.exe	35
PID 2692 wrote to memory of 2884	2692	wuapp.exe	35
PID 2692 wrote to memory of 2884	2692	wuapp.exe	35
PID 2692 wrote to memory of 2884	2692	wuapp.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Users\Admin\AppData\Local\Temp\a99e96240277999d6ac2c51b1071298e9488a4e08a24f3ac934c8c1d5f68fa0e.exe
  "C:\Users\Admin\AppData\Local\Temp\a99e96240277999d6ac2c51b1071298e9488a4e08a24f3ac934c8c1d5f68fa0e.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1716
- - 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\a99e96240277999d6ac2c51b1071298e9488a4e08a24f3ac934c8c1d5f68fa0e.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2408
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3048
- C:\Windows\SysWOW64\wuapp.exe
  "C:\Windows\SysWOW64\wuapp.exe"
  2⤵
  - 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:2692
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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/1188-16-0x0000000006260000-0x00000000063BF000-memory.dmp

Filesize
1.4MB

Download
memory/1188-23-0x0000000006260000-0x00000000063BF000-memory.dmp

Filesize
1.4MB

Download
memory/1716-4-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/1716-2-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/1716-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/1716-5-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/1716-6-0x0000000005350000-0x00000000053C8000-memory.dmp

Filesize
480KB

Download
memory/1716-1-0x0000000001210000-0x00000000012A8000-memory.dmp

Filesize
608KB

Download
memory/1716-20-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/1716-3-0x00000000003D0000-0x00000000003E2000-memory.dmp

Filesize
72KB

Download
memory/2692-22-0x00000000000F0000-0x000000000011F000-memory.dmp

Filesize
188KB

Download
memory/2692-21-0x00000000010E0000-0x00000000010EB000-memory.dmp

Filesize
44KB

Download
memory/3048-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3048-15-0x0000000000190000-0x00000000001A5000-memory.dmp

Filesize
84KB

Download
memory/3048-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3048-14-0x0000000000770000-0x0000000000A73000-memory.dmp

Filesize
3.0MB

Download
memory/3048-11-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/3048-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3048-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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