formbook | 257376dd4cda0f03c4eb3476a615f7f34cab8c6a20efc51a501594c9be37e244

General

Target

DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe
Size

606KB
MD5

bd8229dde5d5dfd5bded095911b835ca
SHA1

c1fdb6b6829afe4f2bb9ddac12cb384bb2dff286
SHA256

93e9e99eb9d74a0cfa3cec7fea4a663b9ad5e8fe4e6ba38bf597a902ce592e1e
SHA512

9d945c7baa4fc8a83323e72e324d166d18af7c9d1914906ba49ad27813cc4360d7f979c2c6b594199ffef105adbc4dc1708eee34c51ccba9877f898c87db9f0c
SSDEEP

12288:Xq2PIZimzX1v9jA6FAOlyQMjcK6g+xHBMD1n+RuGJ4gge707kyLL1XXMQ:YT1v5hFllS4K6hxhMDSuRgghoyLJnM

Score

10^/10

formbook t36t discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

t36t

Decoy

klinkspremiumwildlife.com

teto-store.com

minneapolistaxattorney.net

zgomc7.com

invest-nj.xyz

uinnou.com

addtr.online

hollydays.online

fearurself.com

balaaconstruction.com

myyacht.rentals

hstonme.xyz

51junt.com

sidagj.com

weelilfellas.com

mroadholdings.com

torontomillwork.com

gonks.shop

jupefeeds.online

drpmb.com

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/2712-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2736-25-0x0000000000080000-0x00000000000AF000-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
3016	powershell.exe

Deletes itself 1 IoCs

pid	Process
1156	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2124 set thread context of 2712	2124	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe	35
PID 2712 set thread context of 1208	2712	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe	21
PID 2736 set thread context of 1208	2736	cmmon32.exe	21

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.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
2976	schtasks.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
2124	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe
2124	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe
2124	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe
2124	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe
2124	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe
2124	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe
2712	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe
2124	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe
2712	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe
3016	powershell.exe
2736	cmmon32.exe
2736	cmmon32.exe
2736	cmmon32.exe
2736	cmmon32.exe
2736	cmmon32.exe
2736	cmmon32.exe
2736	cmmon32.exe
2736	cmmon32.exe
2736	cmmon32.exe
2736	cmmon32.exe
2736	cmmon32.exe
2736	cmmon32.exe
2736	cmmon32.exe
2736	cmmon32.exe
2736	cmmon32.exe
2736	cmmon32.exe
2736	cmmon32.exe
2736	cmmon32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2712	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe
2712	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe
2712	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe
2736	cmmon32.exe
2736	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2124	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe
Token: SeDebugPrivilege	2712	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe
Token: SeDebugPrivilege	3016	powershell.exe
Token: SeDebugPrivilege	2736	cmmon32.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 3016	2124	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe	31
PID 2124 wrote to memory of 3016	2124	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe	31
PID 2124 wrote to memory of 3016	2124	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe	31
PID 2124 wrote to memory of 3016	2124	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe	31
PID 2124 wrote to memory of 2976	2124	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe	32
PID 2124 wrote to memory of 2976	2124	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe	32
PID 2124 wrote to memory of 2976	2124	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe	32
PID 2124 wrote to memory of 2976	2124	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe	32
PID 2124 wrote to memory of 2712	2124	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe	35
PID 2124 wrote to memory of 2712	2124	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe	35
PID 2124 wrote to memory of 2712	2124	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe	35
PID 2124 wrote to memory of 2712	2124	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe	35
PID 2124 wrote to memory of 2712	2124	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe	35
PID 2124 wrote to memory of 2712	2124	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe	35
PID 2124 wrote to memory of 2712	2124	DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe	35
PID 1208 wrote to memory of 2736	1208	Explorer.EXE	36
PID 1208 wrote to memory of 2736	1208	Explorer.EXE	36
PID 1208 wrote to memory of 2736	1208	Explorer.EXE	36
PID 1208 wrote to memory of 2736	1208	Explorer.EXE	36
PID 2736 wrote to memory of 1156	2736	cmmon32.exe	37
PID 2736 wrote to memory of 1156	2736	cmmon32.exe	37
PID 2736 wrote to memory of 1156	2736	cmmon32.exe	37
PID 2736 wrote to memory of 1156	2736	cmmon32.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe
  "C:\Users\Admin\AppData\Local\Temp\DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xvLhFUOdFA.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3016
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xvLhFUOdFA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp94A1.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2976
- - C:\Users\Admin\AppData\Local\Temp\DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe
    "C:\Users\Admin\AppData\Local\Temp\DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2712
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.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:2736
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\DL+Payment Release Details #Transaction Notice_Reconfirmation Process MTCRTTM.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:1156

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

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

1

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\tmp94A1.tmp

Filesize
1KB

MD5
1c89461547cf2b08e17af895d1ea536f

SHA1
3ec07513a34c197361259a0af3f17e3bb79a9e45

SHA256
42b1539e2cf92c9a8195a050b10f220d1cec6f1c341e95a45f8862f2c626ef97

SHA512
81dddc90e3e6e3474ce31f7010b5e0f5f6016665efd94df4f49216511da9d9545c1cce3fb7ebe0bc6e27258660ccdc21100bdd2bb5d1437d441068f5a5b3045d

Download Submit
memory/1208-22-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/2124-14-0x00000000059D0000-0x0000000005A14000-memory.dmp

Filesize
272KB

Download
memory/2124-1-0x00000000013D0000-0x000000000146E000-memory.dmp

Filesize
632KB

Download
memory/2124-4-0x0000000074D20000-0x000000007540E000-memory.dmp

Filesize
6.9MB

Download
memory/2124-5-0x0000000000380000-0x000000000038C000-memory.dmp

Filesize
48KB

Download
memory/2124-6-0x0000000004FD0000-0x000000000504E000-memory.dmp

Filesize
504KB

Download
memory/2124-2-0x0000000074D20000-0x000000007540E000-memory.dmp

Filesize
6.9MB

Download
memory/2124-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

Filesize
4KB

Download
memory/2124-3-0x00000000004E0000-0x00000000004F8000-memory.dmp

Filesize
96KB

Download
memory/2124-23-0x0000000074D20000-0x000000007540E000-memory.dmp

Filesize
6.9MB

Download
memory/2712-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2712-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2712-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2712-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2736-24-0x00000000006F0000-0x00000000006FD000-memory.dmp

Filesize
52KB

Download
memory/2736-25-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads