formbook | 556ff3626a7aa8ab83182c0d09607374171a3cca26f518d8e552d19e4dfffe26

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 06:08

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General

Target

Barisan baharu 1.exe
Size

669KB
MD5

c52ea876f58edb9e098c468246cb3c45
SHA1

321ea4228f13cf39458031650a113b8304728b24
SHA256

f5111a8cb2ad774437f4c7e49e57f936188943f9819741754ae3ccc5fe02fc50
SHA512

473ebb28bd20be55942cbc07782391a6077532188f41c19d0dc1b3ac4bcce4c7f54ce5f1a88acdb23157ca8fb3ec1fa28a75f174bc6d1cf5ad0bc7903b0cdc9d
SSDEEP

12288:fpMgHlCsDN+a1BTGSzFFZ6hCH3xGPAs1f+6YDl6BZCLJGvT6cOwRhk8lPVR6/LkC:fpM+U6cOwRPlPm2COaECPU5

Score

10^/10

formbook o27a discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

o27a

Decoy

rfmag.club

zkskzt.xyz

prestitiprivatodaviden26.space

topfxvn.com

irreverentlabs.net

untosuit.com

conquestdevelopmentgroup.com

meterarchitects.com

gwendolyngantt.com

1xpromocode.site

sellloooofolk.xyz

alonzorobertsunderwriting.info

harisalikhan.com

gocqsf.com

carrotstay.xyz

fortumex.com

xiaosage18.xyz

archeage-unchained.com

logicskopisch.world

xj9j.com

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/4856-34-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4856-42-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4856-79-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3756-80-0x0000000000180000-0x00000000001AF000-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
1532	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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	Barisan baharu 1.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4056 set thread context of 4856	4056	Barisan baharu 1.exe	103
PID 4856 set thread context of 3460	4856	RegSvcs.exe	56
PID 4856 set thread context of 3460	4856	RegSvcs.exe	56
PID 3756 set thread context of 3460	3756	WWAHost.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 5 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WWAHost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Barisan baharu 1.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
4692	schtasks.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
4056	Barisan baharu 1.exe
1532	powershell.exe
4056	Barisan baharu 1.exe
4856	RegSvcs.exe
4856	RegSvcs.exe
1532	powershell.exe
4856	RegSvcs.exe
4856	RegSvcs.exe
4856	RegSvcs.exe
4856	RegSvcs.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe
3756	WWAHost.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4856	RegSvcs.exe
4856	RegSvcs.exe
4856	RegSvcs.exe
4856	RegSvcs.exe
3756	WWAHost.exe
3756	WWAHost.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4056	Barisan baharu 1.exe
Token: SeDebugPrivilege	1532	powershell.exe
Token: SeDebugPrivilege	4856	RegSvcs.exe
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE
Token: SeDebugPrivilege	3756	WWAHost.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4056 wrote to memory of 1532	4056	Barisan baharu 1.exe	99
PID 4056 wrote to memory of 1532	4056	Barisan baharu 1.exe	99
PID 4056 wrote to memory of 1532	4056	Barisan baharu 1.exe	99
PID 4056 wrote to memory of 4692	4056	Barisan baharu 1.exe	101
PID 4056 wrote to memory of 4692	4056	Barisan baharu 1.exe	101
PID 4056 wrote to memory of 4692	4056	Barisan baharu 1.exe	101
PID 4056 wrote to memory of 4856	4056	Barisan baharu 1.exe	103
PID 4056 wrote to memory of 4856	4056	Barisan baharu 1.exe	103
PID 4056 wrote to memory of 4856	4056	Barisan baharu 1.exe	103
PID 4056 wrote to memory of 4856	4056	Barisan baharu 1.exe	103
PID 4056 wrote to memory of 4856	4056	Barisan baharu 1.exe	103
PID 4056 wrote to memory of 4856	4056	Barisan baharu 1.exe	103
PID 3460 wrote to memory of 3756	3460	Explorer.EXE	104
PID 3460 wrote to memory of 3756	3460	Explorer.EXE	104
PID 3460 wrote to memory of 3756	3460	Explorer.EXE	104
PID 3756 wrote to memory of 2820	3756	WWAHost.exe	105
PID 3756 wrote to memory of 2820	3756	WWAHost.exe	105
PID 3756 wrote to memory of 2820	3756	WWAHost.exe	105

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3460
- C:\Users\Admin\AppData\Local\Temp\Barisan baharu 1.exe
  "C:\Users\Admin\AppData\Local\Temp\Barisan baharu 1.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4056
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EQyYcpnwDWcoG.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1532
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EQyYcpnwDWcoG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2268.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4692
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4856
- C:\Windows\SysWOW64\WWAHost.exe
  "C:\Windows\SysWOW64\WWAHost.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:3756
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2820

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\Temp\__PSScriptPolicyTest_n0madgrs.sun.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2268.tmp

Filesize
1KB

MD5
50bfa8da8566fc2426d8640ac4468b47

SHA1
e53b42d49932d70641c7b1c9a488138ee6b56ec3

SHA256
a63b252cbd519abae678f0cddb35c97ecfd1d14d815ae0d72c0db48f02a0f051

SHA512
21f6a1c4a0f7e740d80977d63d70f626a76e35e02040f086f8239778291a79382544f57a527065707326f729acc242bae71e6749d8818c36e2f5357bd53324c0

Download Submit
memory/1532-65-0x0000000006F40000-0x0000000006F4A000-memory.dmp

Filesize
40KB

Download
memory/1532-66-0x0000000007150000-0x00000000071E6000-memory.dmp

Filesize
600KB

Download
memory/1532-74-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/1532-71-0x00000000071F0000-0x00000000071F8000-memory.dmp

Filesize
32KB

Download
memory/1532-70-0x0000000007210000-0x000000000722A000-memory.dmp

Filesize
104KB

Download
memory/1532-68-0x0000000007100000-0x000000000710E000-memory.dmp

Filesize
56KB

Download
memory/1532-67-0x00000000070D0000-0x00000000070E1000-memory.dmp

Filesize
68KB

Download
memory/1532-63-0x0000000007510000-0x0000000007B8A000-memory.dmp

Filesize
6.5MB

Download
memory/1532-64-0x0000000006ED0000-0x0000000006EEA000-memory.dmp

Filesize
104KB

Download
memory/1532-61-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/1532-16-0x00000000045D0000-0x0000000004606000-memory.dmp

Filesize
216KB

Download
memory/1532-17-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/1532-18-0x0000000004D10000-0x0000000005338000-memory.dmp

Filesize
6.2MB

Download
memory/1532-19-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/1532-62-0x0000000006DA0000-0x0000000006E43000-memory.dmp

Filesize
652KB

Download
memory/1532-22-0x0000000004C60000-0x0000000004CC6000-memory.dmp

Filesize
408KB

Download
memory/1532-21-0x0000000004BC0000-0x0000000004BE2000-memory.dmp

Filesize
136KB

Download
memory/1532-59-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/1532-60-0x00000000046D0000-0x00000000046E0000-memory.dmp

Filesize
64KB

Download
memory/1532-58-0x00000000061A0000-0x00000000061BE000-memory.dmp

Filesize
120KB

Download
memory/1532-23-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/1532-35-0x0000000005570000-0x00000000058C4000-memory.dmp

Filesize
3.3MB

Download
memory/1532-48-0x0000000074EA0000-0x0000000074EEC000-memory.dmp

Filesize
304KB

Download
memory/1532-45-0x0000000006160000-0x0000000006192000-memory.dmp

Filesize
200KB

Download
memory/1532-39-0x0000000005BA0000-0x0000000005BBE000-memory.dmp

Filesize
120KB

Download
memory/1532-41-0x0000000005BE0000-0x0000000005C2C000-memory.dmp

Filesize
304KB

Download
memory/1532-46-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/1532-47-0x000000007F8A0000-0x000000007F8B0000-memory.dmp

Filesize
64KB

Download
memory/1532-69-0x0000000007110000-0x0000000007124000-memory.dmp

Filesize
80KB

Download
memory/3460-84-0x0000000007BF0000-0x0000000007CC2000-memory.dmp

Filesize
840KB

Download
memory/3460-44-0x0000000002280000-0x00000000023B4000-memory.dmp

Filesize
1.2MB

Download
memory/3460-76-0x0000000002280000-0x00000000023B4000-memory.dmp

Filesize
1.2MB

Download
memory/3756-80-0x0000000000180000-0x00000000001AF000-memory.dmp

Filesize
188KB

Download
memory/3756-78-0x0000000000AD0000-0x0000000000BAC000-memory.dmp

Filesize
880KB

Download
memory/3756-77-0x0000000000AD0000-0x0000000000BAC000-memory.dmp

Filesize
880KB

Download
memory/4056-4-0x0000000005060000-0x000000000506A000-memory.dmp

Filesize
40KB

Download
memory/4056-0-0x000000007461E000-0x000000007461F000-memory.dmp

Filesize
4KB

Download
memory/4056-14-0x00000000084E0000-0x0000000008546000-memory.dmp

Filesize
408KB

Download
memory/4056-10-0x0000000008040000-0x00000000080B8000-memory.dmp

Filesize
480KB

Download
memory/4056-9-0x0000000008E00000-0x0000000008E9C000-memory.dmp

Filesize
624KB

Download
memory/4056-1-0x00000000005D0000-0x000000000067E000-memory.dmp

Filesize
696KB

Download
memory/4056-29-0x0000000008470000-0x00000000084A4000-memory.dmp

Filesize
208KB

Download
memory/4056-37-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/4056-7-0x000000007461E000-0x000000007461F000-memory.dmp

Filesize
4KB

Download
memory/4056-2-0x0000000005550000-0x0000000005AF4000-memory.dmp

Filesize
5.6MB

Download
memory/4056-6-0x0000000006960000-0x0000000006972000-memory.dmp

Filesize
72KB

Download
memory/4056-5-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/4056-3-0x0000000005080000-0x0000000005112000-memory.dmp

Filesize
584KB

Download
memory/4056-8-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/4856-42-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4856-79-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4856-34-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4856-43-0x0000000001200000-0x0000000001214000-memory.dmp

Filesize
80KB

Download
memory/4856-38-0x0000000001680000-0x00000000019CA000-memory.dmp

Filesize
3.3MB

Download