formbook | dda79b7eae203d42ffe33ba36a72b7cb6fb438b3839d02de0a923dbd1b921863

General

Target

Scan 14102020 Pdf.exe
Size

842KB
MD5

ceb2a8890994def6229b5945b1a02698
SHA1

bf6413ba7cdb1173c57f81a306bb8c1f8f8a435c
SHA256

fe65fa62aa5faae469d713048c41171a0bb4546e2fd3862fcdadc38ddfb5ac35
SHA512

35897bbda670bb577754286e7f37223297d4428401638319640610b85b6a37e73c068862d638d296d2b91f79366e7ed913eea652243eaf500f72b9dc0fef86e8
SSDEEP

12288:uywTFD6r91Yk/yHVMSVBltzbGmbaLd7OzlpUFN55ywJLxK/SWpqpAEuIU/1v:kgp1Yk2MEltHfGLdefUJ5BLrnTU/1

Score

10^/10

formbook cxs discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cxs

Decoy

padronadominante.com

comparativeadvantage0.com

city60work.site

sewardtaxiservices.com

discipleteam.com

davicostone.net

dein-novoline.com

zahnaerzte-ungarn.com

kulakslastmaras.com

ctmm.digital

texasbriefing.com

andreaswidowitz.com

qygmuakhx.club

10002.com

darseke.com

saneindia.com

sheamourintimates.com

7keymusicgroup.com

heikeheitmann.com

gmtransports.com

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2296-4-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2296-7-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2296-10-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2492	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2084 set thread context of 2296	2084	Scan 14102020 Pdf.exe	31
PID 2296 set thread context of 1200	2296	Scan 14102020 Pdf.exe	21
PID 2296 set thread context of 1200	2296	Scan 14102020 Pdf.exe	21
PID 1484 set thread context of 1200	1484	colorcpl.exe	21

System Location Discovery: System Language Discovery 1 TTPs 3 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	Scan 14102020 Pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	colorcpl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2084	Scan 14102020 Pdf.exe
2296	Scan 14102020 Pdf.exe
2296	Scan 14102020 Pdf.exe
2296	Scan 14102020 Pdf.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe
1484	colorcpl.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2084	Scan 14102020 Pdf.exe
2296	Scan 14102020 Pdf.exe
2296	Scan 14102020 Pdf.exe
2296	Scan 14102020 Pdf.exe
2296	Scan 14102020 Pdf.exe
1484	colorcpl.exe
1484	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2296	Scan 14102020 Pdf.exe
Token: SeDebugPrivilege	1484	colorcpl.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2296	2084	Scan 14102020 Pdf.exe	31
PID 2084 wrote to memory of 2296	2084	Scan 14102020 Pdf.exe	31
PID 2084 wrote to memory of 2296	2084	Scan 14102020 Pdf.exe	31
PID 2084 wrote to memory of 2296	2084	Scan 14102020 Pdf.exe	31
PID 1200 wrote to memory of 1484	1200	Explorer.EXE	32
PID 1200 wrote to memory of 1484	1200	Explorer.EXE	32
PID 1200 wrote to memory of 1484	1200	Explorer.EXE	32
PID 1200 wrote to memory of 1484	1200	Explorer.EXE	32
PID 1484 wrote to memory of 2492	1484	colorcpl.exe	33
PID 1484 wrote to memory of 2492	1484	colorcpl.exe	33
PID 1484 wrote to memory of 2492	1484	colorcpl.exe	33
PID 1484 wrote to memory of 2492	1484	colorcpl.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\Scan 14102020 Pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Scan 14102020 Pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2084
- - C:\Users\Admin\AppData\Local\Temp\Scan 14102020 Pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Scan 14102020 Pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2296
- C:\Windows\SysWOW64\colorcpl.exe
  "C:\Windows\SysWOW64\colorcpl.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:1484
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Scan 14102020 Pdf.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/1200-8-0x0000000004D10000-0x0000000004E42000-memory.dmp

Filesize
1.2MB

Download
memory/1200-17-0x0000000004FF0000-0x00000000050F2000-memory.dmp

Filesize
1.0MB

Download
memory/1200-11-0x0000000004D10000-0x0000000004E42000-memory.dmp

Filesize
1.2MB

Download
memory/1200-12-0x0000000004FF0000-0x00000000050F2000-memory.dmp

Filesize
1.0MB

Download
memory/1484-16-0x00000000009D0000-0x00000000009E8000-memory.dmp

Filesize
96KB

Download
memory/1484-15-0x00000000009D0000-0x00000000009E8000-memory.dmp

Filesize
96KB

Download
memory/2084-5-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2084-1-0x0000000001D50000-0x0000000001D61000-memory.dmp

Filesize
68KB

Download
memory/2084-0-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2084-2-0x0000000001D50000-0x0000000001D61000-memory.dmp

Filesize
68KB

Download
memory/2084-3-0x0000000001D70000-0x0000000001D71000-memory.dmp

Filesize
4KB

Download
memory/2296-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2296-10-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2296-4-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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