formbook | 1d5c6a9f196dc3d9f2e483744d7b872f01a96b8320ce3ffdc66b66542cb7a899

General

Target

pago.exe
Size

588KB
MD5

cc0a03d130918f8d5c8d6b46833967b1
SHA1

35edc921398ba4d5689e5bcced856c0f2d561c70
SHA256

1d5c6a9f196dc3d9f2e483744d7b872f01a96b8320ce3ffdc66b66542cb7a899
SHA512

78316ff0363c7cc9cc5dedab407b9dc3394c27eb15fba416a04996f117b473814a808e6847c4c2b779ceaa66f22d843b13b36530e969c675edc1222d76c99873
SSDEEP

12288:2aTdEMYimT/D37YF6oRZyWwJAA9X8gnd7/OKImE3hoTSO3XHL:CMo30pZxwJAA9X8Y/ohoTx37

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/2628-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2628-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2576-23-0x00000000000F0000-0x000000000011F000-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
2880	powershell.exe

Deletes itself 1 IoCs

pid	Process
992	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2736 set thread context of 2628	2736	pago.exe	31
PID 2628 set thread context of 1148	2628	pago.exe	20
PID 2576 set thread context of 1148	2576	msiexec.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pago.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2628	pago.exe
2628	pago.exe
2880	powershell.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe
2576	msiexec.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2628	pago.exe
2628	pago.exe
2628	pago.exe
2576	msiexec.exe
2576	msiexec.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2628	pago.exe
Token: SeDebugPrivilege	2880	powershell.exe
Token: SeDebugPrivilege	2576	msiexec.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2880	2736	pago.exe	30
PID 2736 wrote to memory of 2880	2736	pago.exe	30
PID 2736 wrote to memory of 2880	2736	pago.exe	30
PID 2736 wrote to memory of 2880	2736	pago.exe	30
PID 2736 wrote to memory of 2628	2736	pago.exe	31
PID 2736 wrote to memory of 2628	2736	pago.exe	31
PID 2736 wrote to memory of 2628	2736	pago.exe	31
PID 2736 wrote to memory of 2628	2736	pago.exe	31
PID 2736 wrote to memory of 2628	2736	pago.exe	31
PID 2736 wrote to memory of 2628	2736	pago.exe	31
PID 2736 wrote to memory of 2628	2736	pago.exe	31
PID 1148 wrote to memory of 2576	1148	Explorer.EXE	33
PID 1148 wrote to memory of 2576	1148	Explorer.EXE	33
PID 1148 wrote to memory of 2576	1148	Explorer.EXE	33
PID 1148 wrote to memory of 2576	1148	Explorer.EXE	33
PID 1148 wrote to memory of 2576	1148	Explorer.EXE	33
PID 1148 wrote to memory of 2576	1148	Explorer.EXE	33
PID 1148 wrote to memory of 2576	1148	Explorer.EXE	33
PID 2576 wrote to memory of 992	2576	msiexec.exe	34
PID 2576 wrote to memory of 992	2576	msiexec.exe	34
PID 2576 wrote to memory of 992	2576	msiexec.exe	34
PID 2576 wrote to memory of 992	2576	msiexec.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1148
- C:\Users\Admin\AppData\Local\Temp\pago.exe
  "C:\Users\Admin\AppData\Local\Temp\pago.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2736
- - 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\pago.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2880
- - C:\Users\Admin\AppData\Local\Temp\pago.exe
    "C:\Users\Admin\AppData\Local\Temp\pago.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2628
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.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:2576
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\pago.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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/1148-16-0x0000000007590000-0x000000000770C000-memory.dmp

Filesize
1.5MB

Download
memory/1148-26-0x0000000003220000-0x0000000003320000-memory.dmp

Filesize
1024KB

Download
memory/1148-24-0x0000000007590000-0x000000000770C000-memory.dmp

Filesize
1.5MB

Download
memory/2576-23-0x00000000000F0000-0x000000000011F000-memory.dmp

Filesize
188KB

Download
memory/2576-22-0x00000000003F0000-0x0000000000404000-memory.dmp

Filesize
80KB

Download
memory/2576-20-0x00000000003F0000-0x0000000000404000-memory.dmp

Filesize
80KB

Download
memory/2628-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2628-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2628-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2628-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2628-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2628-12-0x0000000000B00000-0x0000000000E03000-memory.dmp

Filesize
3.0MB

Download
memory/2628-15-0x00000000002A0000-0x00000000002B4000-memory.dmp

Filesize
80KB

Download
memory/2736-5-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download
memory/2736-6-0x0000000004A30000-0x0000000004AA6000-memory.dmp

Filesize
472KB

Download
memory/2736-17-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download
memory/2736-0-0x0000000073F4E000-0x0000000073F4F000-memory.dmp

Filesize
4KB

Download
memory/2736-4-0x0000000073F4E000-0x0000000073F4F000-memory.dmp

Filesize
4KB

Download
memory/2736-3-0x0000000000460000-0x0000000000470000-memory.dmp

Filesize
64KB

Download
memory/2736-2-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download
memory/2736-1-0x00000000008D0000-0x000000000096A000-memory.dmp

Filesize
616KB

Download

Analysis

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