formbook | c1858ea28a880a9d789497986b541c29f79cb2d6de8aea568f09b309a7819c73

General

Target

EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe
Size

715KB
MD5

303c96d28de2023a3358f8a1c4dca692
SHA1

4fb8a0435be969803b11d4775d9026f692c64445
SHA256

c1858ea28a880a9d789497986b541c29f79cb2d6de8aea568f09b309a7819c73
SHA512

178e895c18b1afecfaa4bc10c259bd369485ed5ff03c96d0fdd36eb429e407bf57a0fb1b47268328cb9751982bdea69383b0f5be3af6a7c2738397b96d43b568
SSDEEP

12288:ZC25usx+XtRIO/3YtvYwFA8wL6Ab5buKjGhKyPV0VlzYqrh+GkVc:LxyIFvULLpNyKj6KKVqhYqla

Score

10^/10

formbook bs84 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bs84

Decoy

ehuatang.quest

mart-healthcare.solutions

arehouse-inventory-59593.bond

rumpjokes.net

oonlightshadow.store

odernoob.website

sdmedia.net

0k21l6z.xyz

kwovenart.shop

chvb.bid

06ks28.buzz

grexvc.online

unnycdn02.shop

ettingitgonejunk.net

lubmango.store

ustjump.xyz

ofiveuss.store

aahasti-inter5.rest

etclcg.business

ai365.xyz

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2792-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2756-24-0x0000000000080000-0x00000000000AF000-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
2104	powershell.exe

Deletes itself 1 IoCs

pid	Process
2580	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1676 set thread context of 2792	1676	EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe	35
PID 2792 set thread context of 1100	2792	EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe	18
PID 2756 set thread context of 1100	2756	NETSTAT.EXE	18

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2756	NETSTAT.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
2836	schtasks.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
2792	EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe
2792	EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe
2104	powershell.exe
2756	NETSTAT.EXE
2756	NETSTAT.EXE
2756	NETSTAT.EXE
2756	NETSTAT.EXE
2756	NETSTAT.EXE
2756	NETSTAT.EXE
2756	NETSTAT.EXE
2756	NETSTAT.EXE
2756	NETSTAT.EXE
2756	NETSTAT.EXE
2756	NETSTAT.EXE
2756	NETSTAT.EXE
2756	NETSTAT.EXE
2756	NETSTAT.EXE
2756	NETSTAT.EXE
2756	NETSTAT.EXE
2756	NETSTAT.EXE
2756	NETSTAT.EXE
2756	NETSTAT.EXE
2756	NETSTAT.EXE
2756	NETSTAT.EXE
2756	NETSTAT.EXE
2756	NETSTAT.EXE
2756	NETSTAT.EXE
2756	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2792	EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe
2792	EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe
2792	EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe
2756	NETSTAT.EXE
2756	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2792	EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe
Token: SeDebugPrivilege	2104	powershell.exe
Token: SeDebugPrivilege	2756	NETSTAT.EXE

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1676 wrote to memory of 2104	1676	EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe	31
PID 1676 wrote to memory of 2104	1676	EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe	31
PID 1676 wrote to memory of 2104	1676	EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe	31
PID 1676 wrote to memory of 2104	1676	EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe	31
PID 1676 wrote to memory of 2836	1676	EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe	32
PID 1676 wrote to memory of 2836	1676	EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe	32
PID 1676 wrote to memory of 2836	1676	EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe	32
PID 1676 wrote to memory of 2836	1676	EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe	32
PID 1676 wrote to memory of 2792	1676	EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe	35
PID 1676 wrote to memory of 2792	1676	EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe	35
PID 1676 wrote to memory of 2792	1676	EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe	35
PID 1676 wrote to memory of 2792	1676	EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe	35
PID 1676 wrote to memory of 2792	1676	EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe	35
PID 1676 wrote to memory of 2792	1676	EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe	35
PID 1676 wrote to memory of 2792	1676	EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe	35
PID 1100 wrote to memory of 2756	1100	Explorer.EXE	36
PID 1100 wrote to memory of 2756	1100	Explorer.EXE	36
PID 1100 wrote to memory of 2756	1100	Explorer.EXE	36
PID 1100 wrote to memory of 2756	1100	Explorer.EXE	36
PID 2756 wrote to memory of 2580	2756	NETSTAT.EXE	37
PID 2756 wrote to memory of 2580	2756	NETSTAT.EXE	37
PID 2756 wrote to memory of 2580	2756	NETSTAT.EXE	37
PID 2756 wrote to memory of 2580	2756	NETSTAT.EXE	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Users\Admin\AppData\Local\Temp\EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe
  "C:\Users\Admin\AppData\Local\Temp\EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1676
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ODwExtAZdSpo.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2104
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ODwExtAZdSpo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEF6E.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2836
- - C:\Users\Admin\AppData\Local\Temp\EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe
    "C:\Users\Admin\AppData\Local\Temp\EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2792
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2756
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\EPDA - SOA_Payment Reference SKMBT TR-3420241202_799002.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpEF6E.tmp

Filesize
1KB

MD5
4004ddeb1372c37959995bcf6129e9cc

SHA1
5670ad43ef8571e3378e493f22e41d73f6ecf011

SHA256
0e7e2b8fc9cb039bf7d144b96851c60528622f592e7af56d504ee6d2ca392bb6

SHA512
14aa67b1ef079eef9cb1ebab9209940b65a564b6aeb3c41f333d8a3d96786db32d70abbe48cc385cac0fd52ef0c09c91d4b4a58b11bee3c5aa5d2e88357d27ed

Download Submit
memory/1100-22-0x0000000003B70000-0x0000000003C70000-memory.dmp

Filesize
1024KB

Download
memory/1676-20-0x0000000074A40000-0x000000007512E000-memory.dmp

Filesize
6.9MB

Download
memory/1676-1-0x0000000000020000-0x00000000000D8000-memory.dmp

Filesize
736KB

Download
memory/1676-4-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

Filesize
4KB

Download
memory/1676-5-0x0000000074A40000-0x000000007512E000-memory.dmp

Filesize
6.9MB

Download
memory/1676-6-0x0000000004E20000-0x0000000004E98000-memory.dmp

Filesize
480KB

Download
memory/1676-2-0x0000000074A40000-0x000000007512E000-memory.dmp

Filesize
6.9MB

Download
memory/1676-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

Filesize
4KB

Download
memory/1676-3-0x0000000000520000-0x0000000000538000-memory.dmp

Filesize
96KB

Download
memory/2756-24-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2756-23-0x00000000009C0000-0x00000000009C9000-memory.dmp

Filesize
36KB

Download
memory/2792-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2792-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2792-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2792-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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