formbook | 02b10b1cfb09c150f0bddb577a9004eb6bb8ac9dbdf8b80ed87b709f9eeaddf8

General

Target

dGMCIcKTcIsMgWV.exe
Size

865KB
MD5

a5044479b5b01e3f1e673ac9f46f1260
SHA1

712b4374d8f14f6bffc1f57ec59e9755c8926ff7
SHA256

2b9b9f253f0c34fc745803cdeef66e7930be3dd10e37c4e1ee76e5ed311cd9f1
SHA512

ef85958594ce5b59db1670aa8f1753dd913f417dd2dc1954e85f1d8fec1a928a724039b0897df4c69f9f8bafa6f6ee8028d5dfd1921d6e65d5857e9a9c5ca67e
SSDEEP

12288:GtxoRVY7Oen9f9upsZEFKV7tY4axOtzDftua4V5iQd:oYVYqmPLZVuTIH8a4V5N

Score

10^/10

formbook t39h discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

t39h

Decoy

a101im2.com

nowherehome.city

shanglinrunair.com

yingyandiaocha88.com

ke77fu.top

vnitrni-bezpecnost.pro

feednigerianow.tech

788851.xyz

tristarnetwork.com

slsbuildingproducts.co.uk

stop-dog-diarrhea.site

place-dessert.store

tppstore.xyz

inapr.com

girlsmaza.com

mjbplumbers.co.uk

usmanagementcorp.com

any-markets.pro

vaynhanh.tech

4aged.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/3064-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/624-25-0x00000000000C0000-0x00000000000EF000-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
2608	powershell.exe

Deletes itself 1 IoCs

pid	Process
2876	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2224 set thread context of 3064	2224	dGMCIcKTcIsMgWV.exe	34
PID 3064 set thread context of 1200	3064	dGMCIcKTcIsMgWV.exe	21
PID 624 set thread context of 1200	624	control.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	control.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dGMCIcKTcIsMgWV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2552	schtasks.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2224	dGMCIcKTcIsMgWV.exe
2224	dGMCIcKTcIsMgWV.exe
3064	dGMCIcKTcIsMgWV.exe
3064	dGMCIcKTcIsMgWV.exe
2608	powershell.exe
624	control.exe
624	control.exe
624	control.exe
624	control.exe
624	control.exe
624	control.exe
624	control.exe
624	control.exe
624	control.exe
624	control.exe
624	control.exe
624	control.exe
624	control.exe
624	control.exe
624	control.exe
624	control.exe
624	control.exe
624	control.exe
624	control.exe
624	control.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3064	dGMCIcKTcIsMgWV.exe
3064	dGMCIcKTcIsMgWV.exe
3064	dGMCIcKTcIsMgWV.exe
624	control.exe
624	control.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2224	dGMCIcKTcIsMgWV.exe
Token: SeDebugPrivilege	3064	dGMCIcKTcIsMgWV.exe
Token: SeDebugPrivilege	2608	powershell.exe
Token: SeDebugPrivilege	624	control.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 2608	2224	dGMCIcKTcIsMgWV.exe	30
PID 2224 wrote to memory of 2608	2224	dGMCIcKTcIsMgWV.exe	30
PID 2224 wrote to memory of 2608	2224	dGMCIcKTcIsMgWV.exe	30
PID 2224 wrote to memory of 2608	2224	dGMCIcKTcIsMgWV.exe	30
PID 2224 wrote to memory of 2552	2224	dGMCIcKTcIsMgWV.exe	31
PID 2224 wrote to memory of 2552	2224	dGMCIcKTcIsMgWV.exe	31
PID 2224 wrote to memory of 2552	2224	dGMCIcKTcIsMgWV.exe	31
PID 2224 wrote to memory of 2552	2224	dGMCIcKTcIsMgWV.exe	31
PID 2224 wrote to memory of 3064	2224	dGMCIcKTcIsMgWV.exe	34
PID 2224 wrote to memory of 3064	2224	dGMCIcKTcIsMgWV.exe	34
PID 2224 wrote to memory of 3064	2224	dGMCIcKTcIsMgWV.exe	34
PID 2224 wrote to memory of 3064	2224	dGMCIcKTcIsMgWV.exe	34
PID 2224 wrote to memory of 3064	2224	dGMCIcKTcIsMgWV.exe	34
PID 2224 wrote to memory of 3064	2224	dGMCIcKTcIsMgWV.exe	34
PID 2224 wrote to memory of 3064	2224	dGMCIcKTcIsMgWV.exe	34
PID 1200 wrote to memory of 624	1200	Explorer.EXE	35
PID 1200 wrote to memory of 624	1200	Explorer.EXE	35
PID 1200 wrote to memory of 624	1200	Explorer.EXE	35
PID 1200 wrote to memory of 624	1200	Explorer.EXE	35
PID 624 wrote to memory of 2876	624	control.exe	36
PID 624 wrote to memory of 2876	624	control.exe	36
PID 624 wrote to memory of 2876	624	control.exe	36
PID 624 wrote to memory of 2876	624	control.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\dGMCIcKTcIsMgWV.exe
  "C:\Users\Admin\AppData\Local\Temp\dGMCIcKTcIsMgWV.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2224
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vLYOstps.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2608
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vLYOstps" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA544.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2552
- - C:\Users\Admin\AppData\Local\Temp\dGMCIcKTcIsMgWV.exe
    "C:\Users\Admin\AppData\Local\Temp\dGMCIcKTcIsMgWV.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3064
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\SysWOW64\control.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:624
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\dGMCIcKTcIsMgWV.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2876

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\tmpA544.tmp

Filesize
1KB

MD5
7915d677909713cc33f94c233ae0dfaa

SHA1
c3ebb12902b09a457f4772a4e0db1c481bbc8fa1

SHA256
7d80f59511532ceab8d2f0c38035c164d2db515827110a27374d997dde90bb2b

SHA512
9815ae2c081ea82c69f0734e1699a0e8618aedbff9c2e04952700a08ea5f2ccccd1ac5926d8ab25c06745c751f7db5e2ebe14a7969a9a2090af55b93d14c96d2

Download Submit
memory/624-25-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/624-24-0x0000000000AB0000-0x0000000000ACF000-memory.dmp

Filesize
124KB

Download
memory/1200-23-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/2224-12-0x0000000005B90000-0x0000000005BC4000-memory.dmp

Filesize
208KB

Download
memory/2224-5-0x0000000000B20000-0x0000000000B2C000-memory.dmp

Filesize
48KB

Download
memory/2224-6-0x0000000007F50000-0x0000000007FDE000-memory.dmp

Filesize
568KB

Download
memory/2224-4-0x0000000074BE0000-0x00000000752CE000-memory.dmp

Filesize
6.9MB

Download
memory/2224-0-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

Filesize
4KB

Download
memory/2224-19-0x0000000074BE0000-0x00000000752CE000-memory.dmp

Filesize
6.9MB

Download
memory/2224-3-0x00000000009C0000-0x00000000009DA000-memory.dmp

Filesize
104KB

Download
memory/2224-2-0x0000000074BE0000-0x00000000752CE000-memory.dmp

Filesize
6.9MB

Download
memory/2224-1-0x0000000000D20000-0x0000000000DFE000-memory.dmp

Filesize
888KB

Download
memory/3064-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3064-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3064-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3064-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads