formbook | 5a4a51d74e1843630ec0749d480f0057efd6d0b3e867253d1e871f6394171dc7

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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 2 IoCs

rat

resource	yara_rule
behavioral2/memory/3116-36-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1680-91-0x0000000000AB0000-0x0000000000ADF000-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
4644	powershell.exe
2776	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	MalwareBazaar.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 224 set thread context of 3116	224	MalwareBazaar.exe	92
PID 3116 set thread context of 3440	3116	MalwareBazaar.exe	56
PID 1680 set thread context of 3440	1680	help.exe	56

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	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
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
4296	schtasks.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
4644	powershell.exe
2776	powershell.exe
3116	MalwareBazaar.exe
3116	MalwareBazaar.exe
3116	MalwareBazaar.exe
3116	MalwareBazaar.exe
4644	powershell.exe
2776	powershell.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe
1680	help.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3116	MalwareBazaar.exe
3116	MalwareBazaar.exe
3116	MalwareBazaar.exe
1680	help.exe
1680	help.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	4644	powershell.exe
Token: SeDebugPrivilege	2776	powershell.exe
Token: SeDebugPrivilege	3116	MalwareBazaar.exe
Token: SeDebugPrivilege	1680	help.exe
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3440	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 4644	224	MalwareBazaar.exe	86
PID 224 wrote to memory of 4644	224	MalwareBazaar.exe	86
PID 224 wrote to memory of 4644	224	MalwareBazaar.exe	86
PID 224 wrote to memory of 2776	224	MalwareBazaar.exe	88
PID 224 wrote to memory of 2776	224	MalwareBazaar.exe	88
PID 224 wrote to memory of 2776	224	MalwareBazaar.exe	88
PID 224 wrote to memory of 4296	224	MalwareBazaar.exe	90
PID 224 wrote to memory of 4296	224	MalwareBazaar.exe	90
PID 224 wrote to memory of 4296	224	MalwareBazaar.exe	90
PID 224 wrote to memory of 3116	224	MalwareBazaar.exe	92
PID 224 wrote to memory of 3116	224	MalwareBazaar.exe	92
PID 224 wrote to memory of 3116	224	MalwareBazaar.exe	92
PID 224 wrote to memory of 3116	224	MalwareBazaar.exe	92
PID 224 wrote to memory of 3116	224	MalwareBazaar.exe	92
PID 224 wrote to memory of 3116	224	MalwareBazaar.exe	92
PID 3440 wrote to memory of 1680	3440	Explorer.EXE	93
PID 3440 wrote to memory of 1680	3440	Explorer.EXE	93
PID 3440 wrote to memory of 1680	3440	Explorer.EXE	93
PID 1680 wrote to memory of 3976	1680	help.exe	94
PID 1680 wrote to memory of 3976	1680	help.exe	94
PID 1680 wrote to memory of 3976	1680	help.exe	94

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3440
- C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
  "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:224
- - 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:4644
- - 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:2776
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YANEQIBuodfvB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9829.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4296
- - 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:3116
- 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:1680
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3976

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

Query Registry

T1012

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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
d96fd0764bf28e0003c413472408acf8

SHA1
6a5ffd9c71555a5f99b0a81bdbb26e6a7c44f5e4

SHA256
f1eebeb9201fbdb10c90dd71988e94322a24d9fecdd3577bddf8bd3f1a3e541a

SHA512
d8e731acbfa05123a1f042fda8bfba660b1d16236e93fe7425395118fde1ab2287c6862e354ec6c08e278ecadf088e4d98210b57e54948a5b4355ec06842a3b1

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_q50rl1tw.bld.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9829.tmp

Filesize
1KB

MD5
59b822b43ec11aacaf5580bfeec90299

SHA1
aea4d662f1f9849989784e3620a961ad15d3fafe

SHA256
03e10f282ba5321b16abe884495ac54077f50ed45ff03c9720ba1f81c66d897b

SHA512
2a2fbc602754afe0acf241e8c3e575b8dd402cae517b41fd5d19c710cf8b5bf984329d68b92f1f9de3aa831c37971332603489703fef41afee24fce8592fc4a9

Download Submit
memory/224-8-0x0000000005F90000-0x0000000005FA6000-memory.dmp

Filesize
88KB

Download
memory/224-5-0x0000000004C40000-0x0000000004C4A000-memory.dmp

Filesize
40KB

Download
memory/224-6-0x0000000004E00000-0x0000000004E18000-memory.dmp

Filesize
96KB

Download
memory/224-7-0x00000000051C0000-0x00000000051CE000-memory.dmp

Filesize
56KB

Download
memory/224-48-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/224-9-0x00000000062A0000-0x0000000006316000-memory.dmp

Filesize
472KB

Download
memory/224-10-0x000000000BB00000-0x000000000BB9C000-memory.dmp

Filesize
624KB

Download
memory/224-1-0x00000000001A0000-0x0000000000246000-memory.dmp

Filesize
664KB

Download
memory/224-0-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

Filesize
4KB

Download
memory/224-2-0x00000000051D0000-0x0000000005774000-memory.dmp

Filesize
5.6MB

Download
memory/224-3-0x0000000004CC0000-0x0000000004D52000-memory.dmp

Filesize
584KB

Download
memory/224-4-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/1680-83-0x0000000000A60000-0x0000000000A67000-memory.dmp

Filesize
28KB

Download
memory/1680-91-0x0000000000AB0000-0x0000000000ADF000-memory.dmp

Filesize
188KB

Download
memory/2776-35-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/2776-73-0x00000000077E0000-0x0000000007883000-memory.dmp

Filesize
652KB

Download
memory/2776-34-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/2776-82-0x0000000007E40000-0x0000000007E48000-memory.dmp

Filesize
32KB

Download
memory/2776-81-0x0000000007E60000-0x0000000007E7A000-memory.dmp

Filesize
104KB

Download
memory/2776-74-0x0000000008160000-0x00000000087DA000-memory.dmp

Filesize
6.5MB

Download
memory/2776-51-0x0000000007770000-0x00000000077A2000-memory.dmp

Filesize
200KB

Download
memory/2776-90-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/2776-80-0x0000000007D60000-0x0000000007D74000-memory.dmp

Filesize
80KB

Download
memory/2776-76-0x0000000007B90000-0x0000000007B9A000-memory.dmp

Filesize
40KB

Download
memory/2776-52-0x0000000075740000-0x000000007578C000-memory.dmp

Filesize
304KB

Download
memory/2776-62-0x00000000077B0000-0x00000000077CE000-memory.dmp

Filesize
120KB

Download
memory/3116-36-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3440-94-0x0000000008EA0000-0x0000000009029000-memory.dmp

Filesize
1.5MB

Download
memory/4644-17-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/4644-63-0x0000000075740000-0x000000007578C000-memory.dmp

Filesize
304KB

Download
memory/4644-75-0x0000000006D50000-0x0000000006D6A000-memory.dmp

Filesize
104KB

Download
memory/4644-50-0x0000000005AF0000-0x0000000005B3C000-memory.dmp

Filesize
304KB

Download
memory/4644-77-0x0000000006FD0000-0x0000000007066000-memory.dmp

Filesize
600KB

Download
memory/4644-78-0x0000000006F50000-0x0000000006F61000-memory.dmp

Filesize
68KB

Download
memory/4644-79-0x0000000006F80000-0x0000000006F8E000-memory.dmp

Filesize
56KB

Download
memory/4644-49-0x0000000005A30000-0x0000000005A4E000-memory.dmp

Filesize
120KB

Download
memory/4644-19-0x0000000004A60000-0x0000000004A82000-memory.dmp

Filesize
136KB

Download
memory/4644-20-0x0000000005150000-0x00000000051B6000-memory.dmp

Filesize
408KB

Download
memory/4644-22-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/4644-86-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/4644-24-0x0000000005330000-0x0000000005684000-memory.dmp

Filesize
3.3MB

Download
memory/4644-21-0x00000000051C0000-0x0000000005226000-memory.dmp

Filesize
408KB

Download
memory/4644-18-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/4644-16-0x0000000004B20000-0x0000000005148000-memory.dmp

Filesize
6.2MB

Download
memory/4644-15-0x0000000002150000-0x0000000002186000-memory.dmp

Filesize
216KB

Download