formbook | bcdb8d2083ae1e7cdf5894bfcf411cdc5e39059971c545e7485544d55c391418

General

Target

E-dekont.pdf.exe
Size

753KB
MD5

0a2d4c92a9fcf85e1a8a9083cddd13e5
SHA1

022af44b15b363305ce6dd59c4d91b915c6e827f
SHA256

bcdb8d2083ae1e7cdf5894bfcf411cdc5e39059971c545e7485544d55c391418
SHA512

c36aa65978c8cb7a735de75da82385c50322ef28d737247aebb329ebd3ab522c2464278bd19b23314c872536f269d3d1e7c092171ecabcf1a4d0498062490a28
SSDEEP

12288:zTLdI7cVxnScO5GLOftnkqXGNLou7DstwZelvE7pCmNS8T9VC0ymE:nhI74xnpO5GLOfyqXCLR71eu7pCmNS8G

Score

10^/10

formbook m10i discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m10i

Decoy

rmani.today

ifebork.xyz

randovation.net

itchen-remodeling-65686.bond

himu.world

reverie.net

9038.top

rowahome.live

obility-scooters-63189.bond

iangchunqiu.top

yhd.fun

eniorsforseniors.biz

z9zs2.shop

kkjinni.buzz

22av373vu.autos

allnyy.fun

qst.digital

rcap.info

745.top

earfulabjectshirkwashclothe.cfd

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/2384-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2384-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2888-22-0x0000000000080000-0x00000000000AF000-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
2868	powershell.exe

Deletes itself 1 IoCs

pid	Process
2692	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2156 set thread context of 2384	2156	E-dekont.pdf.exe	33
PID 2384 set thread context of 1128	2384	E-dekont.pdf.exe	20
PID 2888 set thread context of 1128	2888	NETSTAT.EXE	20

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 4 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	E-dekont.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2888	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2384	E-dekont.pdf.exe
2384	E-dekont.pdf.exe
2868	powershell.exe
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE
2888	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2384	E-dekont.pdf.exe
2384	E-dekont.pdf.exe
2384	E-dekont.pdf.exe
2888	NETSTAT.EXE
2888	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2384	E-dekont.pdf.exe
Token: SeDebugPrivilege	2868	powershell.exe
Token: SeDebugPrivilege	2888	NETSTAT.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 2868	2156	E-dekont.pdf.exe	31
PID 2156 wrote to memory of 2868	2156	E-dekont.pdf.exe	31
PID 2156 wrote to memory of 2868	2156	E-dekont.pdf.exe	31
PID 2156 wrote to memory of 2868	2156	E-dekont.pdf.exe	31
PID 2156 wrote to memory of 2384	2156	E-dekont.pdf.exe	33
PID 2156 wrote to memory of 2384	2156	E-dekont.pdf.exe	33
PID 2156 wrote to memory of 2384	2156	E-dekont.pdf.exe	33
PID 2156 wrote to memory of 2384	2156	E-dekont.pdf.exe	33
PID 2156 wrote to memory of 2384	2156	E-dekont.pdf.exe	33
PID 2156 wrote to memory of 2384	2156	E-dekont.pdf.exe	33
PID 2156 wrote to memory of 2384	2156	E-dekont.pdf.exe	33
PID 1128 wrote to memory of 2888	1128	Explorer.EXE	34
PID 1128 wrote to memory of 2888	1128	Explorer.EXE	34
PID 1128 wrote to memory of 2888	1128	Explorer.EXE	34
PID 1128 wrote to memory of 2888	1128	Explorer.EXE	34
PID 2888 wrote to memory of 2692	2888	NETSTAT.EXE	35
PID 2888 wrote to memory of 2692	2888	NETSTAT.EXE	35
PID 2888 wrote to memory of 2692	2888	NETSTAT.EXE	35
PID 2888 wrote to memory of 2692	2888	NETSTAT.EXE	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1128
- C:\Users\Admin\AppData\Local\Temp\E-dekont.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\E-dekont.pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2156
- - 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\E-dekont.pdf.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2868
- - C:\Users\Admin\AppData\Local\Temp\E-dekont.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\E-dekont.pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2384
- 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:2888
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\E-dekont.pdf.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

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

Replay Monitor

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Downloads

memory/1128-18-0x0000000006420000-0x00000000065B2000-memory.dmp

Filesize
1.6MB

Download
memory/1128-25-0x0000000006420000-0x00000000065B2000-memory.dmp

Filesize
1.6MB

Download
memory/2156-17-0x00000000745B0000-0x0000000074C9E000-memory.dmp

Filesize
6.9MB

Download
memory/2156-3-0x00000000002B0000-0x00000000002C8000-memory.dmp

Filesize
96KB

Download
memory/2156-4-0x00000000745BE000-0x00000000745BF000-memory.dmp

Filesize
4KB

Download
memory/2156-5-0x00000000745B0000-0x0000000074C9E000-memory.dmp

Filesize
6.9MB

Download
memory/2156-6-0x00000000010A0000-0x0000000001116000-memory.dmp

Filesize
472KB

Download
memory/2156-1-0x0000000001200000-0x00000000012C2000-memory.dmp

Filesize
776KB

Download
memory/2156-2-0x00000000745B0000-0x0000000074C9E000-memory.dmp

Filesize
6.9MB

Download
memory/2156-0-0x00000000745BE000-0x00000000745BF000-memory.dmp

Filesize
4KB

Download
memory/2384-14-0x00000000009C0000-0x0000000000CC3000-memory.dmp

Filesize
3.0MB

Download
memory/2384-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2384-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2384-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2384-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2384-15-0x00000000001D0000-0x00000000001E4000-memory.dmp

Filesize
80KB

Download
memory/2384-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2888-21-0x0000000000980000-0x0000000000989000-memory.dmp

Filesize
36KB

Download
memory/2888-22-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

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