formbook | 9a3e817ee9094eba36474bfb1f3a320313322845aaf37fa508d3f642679d9855

Analysis

max time kernel
147s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
15-08-2024 05:43

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General

Target

OVERDUE SOA _pdf.exe
Size

733KB
MD5

7095e01e6bf3655a8b1d1449a91cd195
SHA1

59bcb0f7b17b4d6ccb6efd8f3a47a5bf6f1b2268
SHA256

cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba
SHA512

ab6444bc46a4f037ecdce3b57b9f92732ce17e4034e9616d067c6148bae34ed3bfeba4f6e2b2aee2d4391cd679a0737e4fabaf0d0c940ec0b22bad167e501a21
SSDEEP

12288:FoQyRAvxF72mzaRZJvfUAp2F0Fthci5UoiKqBLXpOi/8UOkWTSWK:sSxF7HzaRFpA0X3viKk5JsfSz

Score

10^/10

formbook bi05 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bi05

Decoy

ollow-the-bit.online

aopho.autos

14ra567dp.autos

48651301.top

ussian-dating-54714.bond

sychology-degree-80838.bond

lytracker.xyz

strology-forest.sbs

swjbcl3.top

ridgenexttechnologies.partners

lroy.sbs

kyscreen.vip

anhit.live

uckyheart.xyz

orddserials.online

hetune.shop

nherited-traits-ant.bond

stanaslot-1.xyz

sychologist-therapy-36914.bond

iandramonami.net

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/1696-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2536-28-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2784	powershell.exe
2968	powershell.exe

Deletes itself 1 IoCs

pid	Process
396	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2660 set thread context of 1696	2660	OVERDUE SOA _pdf.exe	36
PID 1696 set thread context of 1228	1696	OVERDUE SOA _pdf.exe	21
PID 2536 set thread context of 1228	2536	help.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 6 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	OVERDUE SOA _pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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	help.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2832	schtasks.exe

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
2660	OVERDUE SOA _pdf.exe
2660	OVERDUE SOA _pdf.exe
1696	OVERDUE SOA _pdf.exe
1696	OVERDUE SOA _pdf.exe
2968	powershell.exe
2784	powershell.exe
2536	help.exe
2536	help.exe
2536	help.exe
2536	help.exe
2536	help.exe
2536	help.exe
2536	help.exe
2536	help.exe
2536	help.exe
2536	help.exe
2536	help.exe
2536	help.exe
2536	help.exe
2536	help.exe
2536	help.exe
2536	help.exe
2536	help.exe
2536	help.exe
2536	help.exe
2536	help.exe
2536	help.exe
2536	help.exe
2536	help.exe
2536	help.exe
2536	help.exe
2536	help.exe
2536	help.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1696	OVERDUE SOA _pdf.exe
1696	OVERDUE SOA _pdf.exe
1696	OVERDUE SOA _pdf.exe
2536	help.exe
2536	help.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2660	OVERDUE SOA _pdf.exe
Token: SeDebugPrivilege	1696	OVERDUE SOA _pdf.exe
Token: SeDebugPrivilege	2968	powershell.exe
Token: SeDebugPrivilege	2784	powershell.exe
Token: SeDebugPrivilege	2536	help.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 2784	2660	OVERDUE SOA _pdf.exe	30
PID 2660 wrote to memory of 2784	2660	OVERDUE SOA _pdf.exe	30
PID 2660 wrote to memory of 2784	2660	OVERDUE SOA _pdf.exe	30
PID 2660 wrote to memory of 2784	2660	OVERDUE SOA _pdf.exe	30
PID 2660 wrote to memory of 2968	2660	OVERDUE SOA _pdf.exe	32
PID 2660 wrote to memory of 2968	2660	OVERDUE SOA _pdf.exe	32
PID 2660 wrote to memory of 2968	2660	OVERDUE SOA _pdf.exe	32
PID 2660 wrote to memory of 2968	2660	OVERDUE SOA _pdf.exe	32
PID 2660 wrote to memory of 2832	2660	OVERDUE SOA _pdf.exe	33
PID 2660 wrote to memory of 2832	2660	OVERDUE SOA _pdf.exe	33
PID 2660 wrote to memory of 2832	2660	OVERDUE SOA _pdf.exe	33
PID 2660 wrote to memory of 2832	2660	OVERDUE SOA _pdf.exe	33
PID 2660 wrote to memory of 1696	2660	OVERDUE SOA _pdf.exe	36
PID 2660 wrote to memory of 1696	2660	OVERDUE SOA _pdf.exe	36
PID 2660 wrote to memory of 1696	2660	OVERDUE SOA _pdf.exe	36
PID 2660 wrote to memory of 1696	2660	OVERDUE SOA _pdf.exe	36
PID 2660 wrote to memory of 1696	2660	OVERDUE SOA _pdf.exe	36
PID 2660 wrote to memory of 1696	2660	OVERDUE SOA _pdf.exe	36
PID 2660 wrote to memory of 1696	2660	OVERDUE SOA _pdf.exe	36
PID 1228 wrote to memory of 2536	1228	Explorer.EXE	37
PID 1228 wrote to memory of 2536	1228	Explorer.EXE	37
PID 1228 wrote to memory of 2536	1228	Explorer.EXE	37
PID 1228 wrote to memory of 2536	1228	Explorer.EXE	37
PID 2536 wrote to memory of 396	2536	help.exe	38
PID 2536 wrote to memory of 396	2536	help.exe	38
PID 2536 wrote to memory of 396	2536	help.exe	38
PID 2536 wrote to memory of 396	2536	help.exe	38

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Users\Admin\AppData\Local\Temp\OVERDUE SOA _pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\OVERDUE SOA _pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2660
- - 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\OVERDUE SOA _pdf.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2784
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ajZqJStNo.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2968
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ajZqJStNo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp586D.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2832
- - C:\Users\Admin\AppData\Local\Temp\OVERDUE SOA _pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\OVERDUE SOA _pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1696
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.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:2536
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\OVERDUE SOA _pdf.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp586D.tmp

Filesize
1KB

MD5
7b42619e99a52e5eae49ccbd02a52bc6

SHA1
84883961a72a71d7411c22913701e4e71eef5e26

SHA256
d424ce73a972f77a2546a7fe7100eb9b4d994133f2c1453e3bdc1b1f60e0d094

SHA512
18c7c9e7dd1ad9d296b56b2c0c7e0475c4f77ac22fa14d57ceb485f4618e9200032f92dec5e11bad54b1c148f08858fa7c7d84578b32a8d252a7988515525142

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
9cc662942ed0186ed0de7dcfc79eca25

SHA1
67ec555f37d8e8c4537fc66a126abcf8f798f70e

SHA256
400fc1bd2b582b71282d9928d3c03c2e53172e2cd08e5218fff55f6eec31a465

SHA512
3c7fd7f033e42b67ce1ef09826f066daa6397c50200233f4809d598f64074deff0eb2934a9f45cb776958d0e634061775f678220f587202abb2facbd27c255b6

Download Submit
memory/1228-30-0x0000000004F10000-0x00000000050B4000-memory.dmp

Filesize
1.6MB

Download
memory/1228-26-0x0000000003940000-0x0000000003A40000-memory.dmp

Filesize
1024KB

Download
memory/1696-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1696-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1696-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1696-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2536-28-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/2536-27-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2660-4-0x00000000003D0000-0x00000000003E6000-memory.dmp

Filesize
88KB

Download
memory/2660-5-0x0000000005E20000-0x0000000005E96000-memory.dmp

Filesize
472KB

Download
memory/2660-24-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download
memory/2660-0-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/2660-3-0x0000000000580000-0x000000000059E000-memory.dmp

Filesize
120KB

Download
memory/2660-2-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download
memory/2660-1-0x00000000011C0000-0x000000000127C000-memory.dmp

Filesize
752KB

Download