formbook | 19fef236cdf3c97076fe4dae603f81e836e2aa3ce93865a328b7cd44e560bee7

General

Target

MalwareBazaar.exe
Size

483KB
MD5

fd65054f56f7077c515ad94d82d63392
SHA1

63a48e65af8911d5aeacc86b56775a27ae4b48f6
SHA256

19fef236cdf3c97076fe4dae603f81e836e2aa3ce93865a328b7cd44e560bee7
SHA512

06b96741242ec89b09ece150613257430a6463c769e956fb4f9cd4d5fa36970c5f06b7faaca18c702b92d08a65a1a787057c8b73f2059c9949068ba3cc41e6e3
SSDEEP

6144:CIFhuSYWFYgrKsUc3y2WnO1xzcWmZXe2rkwnbo60T21BOcCSrYDEgfje5ig1ef9x:Ph8Mz+sv3y2N1xzAZprkmuN/SD5iKefT

Score

10^/10

formbook ow discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

ow

Decoy

piavecaffe.com

jlxkqg.men

lifesavingfoundation.net

karadasama.net

michaeltraolach-macsweeney.com

thunderwatches.com

serviciocasawhirlpool.biz

c-cap.online

itparksolution.com

clarityhearingkw.com

wpgrosiri.date

colemarshalcambell.com

webperffest.com

adjusterforirma.info

buildersqq.com

spiritualwisdominindia.com

111222333.net

traditionalarabicdishes.com

hmlifi.com

receive-our-info-heredaily.info

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/2012-19-0x0000000000400000-0x000000000042A000-memory.dmp	formbook
behavioral2/memory/2012-25-0x0000000000400000-0x000000000042A000-memory.dmp	formbook

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-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation	MalwareBazaar.exe

Executes dropped EXE 2 IoCs

pid	Process
2960	syscheck.exe
2012	syscheck.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sysnet = "C:\\Users\\Admin\\AppData\\Local\\syscheck.exe -boot"	syscheck.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2960 set thread context of 2012	2960	syscheck.exe	103
PID 2012 set thread context of 3452	2012	syscheck.exe	56
PID 4572 set thread context of 3452	4572	cmstp.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 6 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	MalwareBazaar.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	syscheck.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
2012	syscheck.exe
2012	syscheck.exe
2012	syscheck.exe
2012	syscheck.exe
4572	cmstp.exe
4572	cmstp.exe
4572	cmstp.exe
4572	cmstp.exe
4572	cmstp.exe
4572	cmstp.exe
4572	cmstp.exe
4572	cmstp.exe
4572	cmstp.exe
4572	cmstp.exe
4572	cmstp.exe
4572	cmstp.exe
4572	cmstp.exe
4572	cmstp.exe
4572	cmstp.exe
4572	cmstp.exe
4572	cmstp.exe
4572	cmstp.exe
4572	cmstp.exe
4572	cmstp.exe
4572	cmstp.exe
4572	cmstp.exe
4572	cmstp.exe
4572	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2012	syscheck.exe
2012	syscheck.exe
2012	syscheck.exe
4572	cmstp.exe
4572	cmstp.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1168	MalwareBazaar.exe
Token: SeDebugPrivilege	2960	syscheck.exe
Token: SeDebugPrivilege	2012	syscheck.exe
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeDebugPrivilege	4572	cmstp.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3452	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1168 wrote to memory of 4976	1168	MalwareBazaar.exe	94
PID 1168 wrote to memory of 4976	1168	MalwareBazaar.exe	94
PID 1168 wrote to memory of 4976	1168	MalwareBazaar.exe	94
PID 1168 wrote to memory of 3332	1168	MalwareBazaar.exe	99
PID 1168 wrote to memory of 3332	1168	MalwareBazaar.exe	99
PID 1168 wrote to memory of 3332	1168	MalwareBazaar.exe	99
PID 3332 wrote to memory of 2960	3332	cmd.exe	101
PID 3332 wrote to memory of 2960	3332	cmd.exe	101
PID 3332 wrote to memory of 2960	3332	cmd.exe	101
PID 2960 wrote to memory of 2012	2960	syscheck.exe	103
PID 2960 wrote to memory of 2012	2960	syscheck.exe	103
PID 2960 wrote to memory of 2012	2960	syscheck.exe	103
PID 2960 wrote to memory of 2012	2960	syscheck.exe	103
PID 2960 wrote to memory of 2012	2960	syscheck.exe	103
PID 2960 wrote to memory of 2012	2960	syscheck.exe	103
PID 3452 wrote to memory of 4572	3452	Explorer.EXE	104
PID 3452 wrote to memory of 4572	3452	Explorer.EXE	104
PID 3452 wrote to memory of 4572	3452	Explorer.EXE	104
PID 4572 wrote to memory of 216	4572	cmstp.exe	105
PID 4572 wrote to memory of 216	4572	cmstp.exe	105
PID 4572 wrote to memory of 216	4572	cmstp.exe	105

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3452
- C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
  "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1168
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe" "C:\Users\Admin\AppData\Local\syscheck.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4976
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Local\syscheck.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3332
  - - C:\Users\Admin\AppData\Local\syscheck.exe
      "C:\Users\Admin\AppData\Local\syscheck.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2960
    - - C:\Users\Admin\AppData\Local\syscheck.exe
        
        "C:\Users\Admin\AppData\Local\syscheck.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of AdjustPrivilegeToken
        
        PID:2012
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:4572
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\syscheck.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

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\syscheck.exe

Filesize
483KB

MD5
fd65054f56f7077c515ad94d82d63392

SHA1
63a48e65af8911d5aeacc86b56775a27ae4b48f6

SHA256
19fef236cdf3c97076fe4dae603f81e836e2aa3ce93865a328b7cd44e560bee7

SHA512
06b96741242ec89b09ece150613257430a6463c769e956fb4f9cd4d5fa36970c5f06b7faaca18c702b92d08a65a1a787057c8b73f2059c9949068ba3cc41e6e3

Download Submit
memory/1168-0-0x0000000074B5E000-0x0000000074B5F000-memory.dmp

Filesize
4KB

Download
memory/1168-1-0x0000000000A90000-0x0000000000B0E000-memory.dmp

Filesize
504KB

Download
memory/1168-2-0x00000000059F0000-0x0000000005F94000-memory.dmp

Filesize
5.6MB

Download
memory/1168-3-0x00000000054F0000-0x0000000005582000-memory.dmp

Filesize
584KB

Download
memory/1168-4-0x0000000005590000-0x00000000055AC000-memory.dmp

Filesize
112KB

Download
memory/1168-5-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/1168-8-0x0000000074B5E000-0x0000000074B5F000-memory.dmp

Filesize
4KB

Download
memory/1168-9-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/1168-11-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/2012-26-0x0000000000F40000-0x0000000000F54000-memory.dmp

Filesize
80KB

Download
memory/2012-25-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2012-19-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2012-23-0x0000000000F60000-0x00000000012AA000-memory.dmp

Filesize
3.3MB

Download
memory/2960-17-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/2960-18-0x0000000005B40000-0x0000000005BDC000-memory.dmp

Filesize
624KB

Download
memory/2960-22-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/2960-16-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/2960-15-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3452-27-0x00000000087C0000-0x00000000088FF000-memory.dmp

Filesize
1.2MB

Download
memory/3452-31-0x0000000008900000-0x00000000089B8000-memory.dmp

Filesize
736KB

Download
memory/3452-33-0x00000000087C0000-0x00000000088FF000-memory.dmp

Filesize
1.2MB

Download
memory/4572-28-0x0000000000C10000-0x0000000000C26000-memory.dmp

Filesize
88KB

Download
memory/4572-29-0x0000000000C10000-0x0000000000C26000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads