formbook | b8586a7283b65e8944c74885306efea0622799b1b591666e2cde87eee4e4b318

General

Target

17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe
Size

620KB
MD5

ca5d33e8a379da31c0dda6b9e22c20ae
SHA1

8501cc96684dafbcbf44abe4af3b4465bb5473d2
SHA256

17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851
SHA512

c4d830968ab1995eea43125273cafb28667bf163ed2af72c9315de5282ecde0f8abb312ccfe7c243374080554eb44f7d07183647c64bc08d4d3f98f9b0bc76f5
SSDEEP

12288:HMqFq1lshI14m+PfCANS543LUnHQQZY278xICTtag9oB4:H7+fSmSCcE43gnHQkYjoRB4

Score

10^/10

formbook ce18 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ce18

Decoy

kenfinnegan.com

exopestireland.com

allthingzbeautiellc.com

attractiveidiot.com

calmsealight.com

ectobyte.com

8rr.xyz

hcmajq.info

alisongraceventures.com

jamtanganbagus.online

forexpropfirmmastery.com

coupimmobilier.com

amarisetechnologies.com

countrykidsclothing.com

eyecatcher.tech

merxip.online

fiteallc.com

themensroombarber.co.uk

seroofingtelford.co.uk

birdie786.com

Signatures

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

Formbook payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2840-21-0x0000000000400000-0x000000000042F000-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

Processes:

powershell.exe

pid	Process
2800	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe

description	pid	Process	procid_target
PID 3024 set thread context of 2840	3024	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	33

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 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

Processes:

17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exepowershell.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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

Processes:

schtasks.exe

pid	Process
2784	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exepowershell.exe

pid	Process
2840	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe
2800	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description	pid	Process
Token: SeDebugPrivilege	2800	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe

description	pid	Process	procid_target
PID 3024 wrote to memory of 2800	3024	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	29
PID 3024 wrote to memory of 2800	3024	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	29
PID 3024 wrote to memory of 2800	3024	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	29
PID 3024 wrote to memory of 2800	3024	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	29
PID 3024 wrote to memory of 2784	3024	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	31
PID 3024 wrote to memory of 2784	3024	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	31
PID 3024 wrote to memory of 2784	3024	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	31
PID 3024 wrote to memory of 2784	3024	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	31
PID 3024 wrote to memory of 2840	3024	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	33
PID 3024 wrote to memory of 2840	3024	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	33
PID 3024 wrote to memory of 2840	3024	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	33
PID 3024 wrote to memory of 2840	3024	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	33
PID 3024 wrote to memory of 2840	3024	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	33
PID 3024 wrote to memory of 2840	3024	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	33
PID 3024 wrote to memory of 2840	3024	17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe	33

C:\Users\Admin\AppData\Local\Temp\17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe
"C:\Users\Admin\AppData\Local\Temp\17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wigzvbLrJ.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2800
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wigzvbLrJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2F2B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2784
- C:\Users\Admin\AppData\Local\Temp\17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe
  "C:\Users\Admin\AppData\Local\Temp\17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2840

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\tmp2F2B.tmp

Filesize
1KB

MD5
e91ab936c5b7960539da370c0dfaaf00

SHA1
70b85ac505678c9d335db59c26270fdb581e5585

SHA256
5e59631cc820a211e0be63355b31b1c07d5a32c8b568866d9b14a09a1affee02

SHA512
cf04119286660c8da8fe738111b3a19634c8677b7f220d38ee5c9e38992c5bc984fd5d0c96fed9e110f7d5840a4586d04f28b8f3ddd2e473aadd3322fb9f0d05

Download Submit
memory/2840-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2840-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2840-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2840-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3024-6-0x0000000000B10000-0x0000000000B1C000-memory.dmp

Filesize
48KB

Download
memory/3024-0-0x000000007447E000-0x000000007447F000-memory.dmp

Filesize
4KB

Download
memory/3024-7-0x0000000005AC0000-0x0000000005B30000-memory.dmp

Filesize
448KB

Download
memory/3024-5-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download
memory/3024-15-0x0000000005E80000-0x0000000005EB8000-memory.dmp

Filesize
224KB

Download
memory/3024-4-0x000000007447E000-0x000000007447F000-memory.dmp

Filesize
4KB

Download
memory/3024-3-0x0000000000AC0000-0x0000000000AD4000-memory.dmp

Filesize
80KB

Download
memory/3024-2-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download
memory/3024-1-0x0000000001220000-0x00000000012C2000-memory.dmp

Filesize
648KB

Download
memory/3024-22-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads