formbook | 264363a6ad5f6720663cd201f8037f0c6f3bfda8216bb8f975e7df9fd9c699b9

General

Target

Product List and Pictures.scr.exe
Size

756KB
MD5

147579a97da0eca0d7710189aa127157
SHA1

fe11ac8a0ddb01d39a5d2614686738d9c9e8a9ff
SHA256

264363a6ad5f6720663cd201f8037f0c6f3bfda8216bb8f975e7df9fd9c699b9
SHA512

6fd90440b24d239c88ff8264f99b4c434a14b4e1d311579f42d6a0d681acc5e1d00ce593521a68efb168ef6ed7bcb71501a0e1afa6e5bceac4c5107de0d1ef1f
SSDEEP

12288:dlMQIaLR0bwS1+ccfxuwdjXtm4DIpeIQt1Ct9qmLwy9EXX++S:NvV18xApjXtm0IpeICCt9VLwFO

Score

10^/10

formbook ct27 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ct27

Decoy

arehouse-inventory-22552.bond

lead.today

utomation-tools-36376.bond

uizdabarbie.shop

yedzio.xyz

riffinfamily.fun

lashsmm.store

estlumpia.shop

aki777id.best

ilmach.net

ome-care-25437.bond

i404.net

jacp.bid

he-broker.net

quick.biz

ynacloud.xyz

harmant-g.online

f85to5a2x.cyou

pdgkt.bid

at-removal-near-me-103.xyz

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/3060-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3060-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2504-23-0x00000000000A0000-0x00000000000CF000-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
2632	powershell.exe

Deletes itself 1 IoCs

pid	Process
2984	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2980 set thread context of 3060	2980	Product List and Pictures.scr.exe	32
PID 3060 set thread context of 1196	3060	Product List and Pictures.scr.exe	21
PID 2504 set thread context of 1196	2504	chkdsk.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	Product List and Pictures.scr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
3060	Product List and Pictures.scr.exe
3060	Product List and Pictures.scr.exe
2632	powershell.exe
2504	chkdsk.exe
2504	chkdsk.exe
2504	chkdsk.exe
2504	chkdsk.exe
2504	chkdsk.exe
2504	chkdsk.exe
2504	chkdsk.exe
2504	chkdsk.exe
2504	chkdsk.exe
2504	chkdsk.exe
2504	chkdsk.exe
2504	chkdsk.exe
2504	chkdsk.exe
2504	chkdsk.exe
2504	chkdsk.exe
2504	chkdsk.exe
2504	chkdsk.exe
2504	chkdsk.exe
2504	chkdsk.exe
2504	chkdsk.exe
2504	chkdsk.exe
2504	chkdsk.exe
2504	chkdsk.exe
2504	chkdsk.exe
2504	chkdsk.exe
2504	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3060	Product List and Pictures.scr.exe
3060	Product List and Pictures.scr.exe
3060	Product List and Pictures.scr.exe
2504	chkdsk.exe
2504	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3060	Product List and Pictures.scr.exe
Token: SeDebugPrivilege	2632	powershell.exe
Token: SeDebugPrivilege	2504	chkdsk.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 2632	2980	Product List and Pictures.scr.exe	30
PID 2980 wrote to memory of 2632	2980	Product List and Pictures.scr.exe	30
PID 2980 wrote to memory of 2632	2980	Product List and Pictures.scr.exe	30
PID 2980 wrote to memory of 2632	2980	Product List and Pictures.scr.exe	30
PID 2980 wrote to memory of 3060	2980	Product List and Pictures.scr.exe	32
PID 2980 wrote to memory of 3060	2980	Product List and Pictures.scr.exe	32
PID 2980 wrote to memory of 3060	2980	Product List and Pictures.scr.exe	32
PID 2980 wrote to memory of 3060	2980	Product List and Pictures.scr.exe	32
PID 2980 wrote to memory of 3060	2980	Product List and Pictures.scr.exe	32
PID 2980 wrote to memory of 3060	2980	Product List and Pictures.scr.exe	32
PID 2980 wrote to memory of 3060	2980	Product List and Pictures.scr.exe	32
PID 1196 wrote to memory of 2504	1196	Explorer.EXE	34
PID 1196 wrote to memory of 2504	1196	Explorer.EXE	34
PID 1196 wrote to memory of 2504	1196	Explorer.EXE	34
PID 1196 wrote to memory of 2504	1196	Explorer.EXE	34
PID 2504 wrote to memory of 2984	2504	chkdsk.exe	35
PID 2504 wrote to memory of 2984	2504	chkdsk.exe	35
PID 2504 wrote to memory of 2984	2504	chkdsk.exe	35
PID 2504 wrote to memory of 2984	2504	chkdsk.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\Product List and Pictures.scr.exe
  "C:\Users\Admin\AppData\Local\Temp\Product List and Pictures.scr.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2980
- - 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\Product List and Pictures.scr.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2632
- - C:\Users\Admin\AppData\Local\Temp\Product List and Pictures.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\Product List and Pictures.scr.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3060
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2992
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2504
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Product List and Pictures.scr.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2984

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

Query Registry

1

T1012

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/1196-24-0x0000000007B80000-0x0000000007D08000-memory.dmp

Filesize
1.5MB

Download
memory/1196-18-0x0000000007B80000-0x0000000007D08000-memory.dmp

Filesize
1.5MB

Download
memory/2504-23-0x00000000000A0000-0x00000000000CF000-memory.dmp

Filesize
188KB

Download
memory/2504-22-0x0000000000090000-0x0000000000097000-memory.dmp

Filesize
28KB

Download
memory/2980-19-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2980-1-0x0000000000F60000-0x0000000001024000-memory.dmp

Filesize
784KB

Download
memory/2980-2-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2980-3-0x0000000000C10000-0x0000000000C2E000-memory.dmp

Filesize
120KB

Download
memory/2980-4-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

Filesize
4KB

Download
memory/2980-5-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2980-6-0x0000000005670000-0x00000000056E8000-memory.dmp

Filesize
480KB

Download
memory/2980-0-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

Filesize
4KB

Download
memory/3060-14-0x0000000000A20000-0x0000000000D23000-memory.dmp

Filesize
3.0MB

Download
memory/3060-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3060-17-0x0000000000190000-0x00000000001A5000-memory.dmp

Filesize
84KB

Download
memory/3060-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3060-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3060-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3060-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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