formbook | 5a4a51d74e1843630ec0749d480f0057efd6d0b3e867253d1e871f6394171dc7

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
05/08/2024, 07:06

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General

Target

MalwareBazaar.exe
Size

653KB
MD5

f205c1fbf5d8a384899c2d4c25866f70
SHA1

51fd6812d379d3f16ea7c331b64e3df03bb16558
SHA256

5a4a51d74e1843630ec0749d480f0057efd6d0b3e867253d1e871f6394171dc7
SHA512

40806add39344f56a55f32707a7a5402f9aa96d4a6512ee5daaa93c8bd3e2336ef81999183deaf61cea446ff68ee1dd96e73bbb72ee3e480d16ac2544b18c773
SSDEEP

12288:BWxa/zmcDXmoamqD+iejZKSK9q0ypKXt7jblMHrtxxGXFKgs8ZkR:BWxaakvamqKioJKuSljZMLHM1KV8E

Score

10^/10

formbook ps15 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ps15

Decoy

57797.asia

jhpwt.net

basketballdrillsforkids.com

zgzf6.rest

casinomaxnodepositbonus.icu

uptocryptonews.com

gomenasorry.com

fortanix.space

stripscity.xyz

genbotdiy.xyz

mayson-wedding.com

neb-hub.net

seancollinsmusic.com

migraine-treatment-57211.bond

prosperawoman.info

tradefairleads.tech

xn--yeminlitercme-6ob.com

xwaveevent.com

fashiontrendshub.xyz

window-replacement-80823.bond

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2832-22-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2832-25-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2596-27-0x0000000000080000-0x00000000000AF000-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
2760	powershell.exe
2844	powershell.exe

Deletes itself 1 IoCs

pid	Process
1232	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2584 set thread context of 2832	2584	MalwareBazaar.exe	37
PID 2832 set thread context of 1208	2832	MalwareBazaar.exe	21
PID 2832 set thread context of 1208	2832	MalwareBazaar.exe	21
PID 2596 set thread context of 1208	2596	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MalwareBazaar.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

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
2748	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2832	MalwareBazaar.exe
2832	MalwareBazaar.exe
2760	powershell.exe
2844	powershell.exe
2832	MalwareBazaar.exe
2596	help.exe
2596	help.exe
2596	help.exe
2596	help.exe
2596	help.exe
2596	help.exe
2596	help.exe
2596	help.exe
2596	help.exe
2596	help.exe
2596	help.exe
2596	help.exe
2596	help.exe
2596	help.exe
2596	help.exe
2596	help.exe
2596	help.exe
2596	help.exe
2596	help.exe
2596	help.exe
2596	help.exe
2596	help.exe
2596	help.exe
2596	help.exe
2596	help.exe
2596	help.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2832	MalwareBazaar.exe
2832	MalwareBazaar.exe
2832	MalwareBazaar.exe
2832	MalwareBazaar.exe
2596	help.exe
2596	help.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2832	MalwareBazaar.exe
Token: SeDebugPrivilege	2760	powershell.exe
Token: SeDebugPrivilege	2844	powershell.exe
Token: SeDebugPrivilege	2596	help.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 2760	2584	MalwareBazaar.exe	31
PID 2584 wrote to memory of 2760	2584	MalwareBazaar.exe	31
PID 2584 wrote to memory of 2760	2584	MalwareBazaar.exe	31
PID 2584 wrote to memory of 2760	2584	MalwareBazaar.exe	31
PID 2584 wrote to memory of 2844	2584	MalwareBazaar.exe	33
PID 2584 wrote to memory of 2844	2584	MalwareBazaar.exe	33
PID 2584 wrote to memory of 2844	2584	MalwareBazaar.exe	33
PID 2584 wrote to memory of 2844	2584	MalwareBazaar.exe	33
PID 2584 wrote to memory of 2748	2584	MalwareBazaar.exe	35
PID 2584 wrote to memory of 2748	2584	MalwareBazaar.exe	35
PID 2584 wrote to memory of 2748	2584	MalwareBazaar.exe	35
PID 2584 wrote to memory of 2748	2584	MalwareBazaar.exe	35
PID 2584 wrote to memory of 2832	2584	MalwareBazaar.exe	37
PID 2584 wrote to memory of 2832	2584	MalwareBazaar.exe	37
PID 2584 wrote to memory of 2832	2584	MalwareBazaar.exe	37
PID 2584 wrote to memory of 2832	2584	MalwareBazaar.exe	37
PID 2584 wrote to memory of 2832	2584	MalwareBazaar.exe	37
PID 2584 wrote to memory of 2832	2584	MalwareBazaar.exe	37
PID 2584 wrote to memory of 2832	2584	MalwareBazaar.exe	37
PID 1208 wrote to memory of 2596	1208	Explorer.EXE	55
PID 1208 wrote to memory of 2596	1208	Explorer.EXE	55
PID 1208 wrote to memory of 2596	1208	Explorer.EXE	55
PID 1208 wrote to memory of 2596	1208	Explorer.EXE	55
PID 2596 wrote to memory of 1232	2596	help.exe	56
PID 2596 wrote to memory of 1232	2596	help.exe	56
PID 2596 wrote to memory of 1232	2596	help.exe	56
PID 2596 wrote to memory of 1232	2596	help.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
  "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2584
- - 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\MalwareBazaar.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2760
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YANEQIBuodfvB.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2844
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YANEQIBuodfvB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE1C7.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2748
- - C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
    "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2832
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1576
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:752
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:844
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1448
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1764
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:396
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1972
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:340
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2908
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2016
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2668
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2044
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1120
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:276
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2512
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2080
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1388
- 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:2596
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:1232

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE1C7.tmp

Filesize
1KB

MD5
535f93e347c521dc84cf5715ae2fcc4c

SHA1
2801b8cd469c2c625c221fba3e3fcaefcdce086c

SHA256
e974225cc5e11b3afe63335a154672e13bc85192f4c6e847b86e88351e985446

SHA512
05dea2871554ab2e2f292dfcd6ba271137c191a121e6545c058a3060a9b03dbdfea67fae925a1045a486263b0db0205b8c6e1c8563eef9262efd201f5bf8d769

Download Submit
memory/2584-23-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2584-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/2584-3-0x0000000000640000-0x0000000000658000-memory.dmp

Filesize
96KB

Download
memory/2584-4-0x00000000005D0000-0x00000000005DE000-memory.dmp

Filesize
56KB

Download
memory/2584-5-0x0000000000660000-0x0000000000676000-memory.dmp

Filesize
88KB

Download
memory/2584-6-0x0000000004910000-0x0000000004986000-memory.dmp

Filesize
472KB

Download
memory/2584-2-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2584-1-0x00000000009D0000-0x0000000000A76000-memory.dmp

Filesize
664KB

Download
memory/2596-27-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2596-26-0x00000000007C0000-0x00000000007C6000-memory.dmp

Filesize
24KB

Download
memory/2832-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2832-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2832-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2832-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2832-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download