formbook | ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344

General

Target

ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe
Size

557KB
MD5

4919265b7099fa0f8f58df4e824c1b21
SHA1

066783dc80338a74e0b1f8de272eef02a6e04391
SHA256

ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344
SHA512

24b4546f78849c9489deac6cf496a1b2ead5800599d0a5c3fefbe7835d7a44374c693ade7ef0f375d9f9cc6ee3d6dd14aacc628ac4d356ab443a25070da083ac
SSDEEP

12288:7bUSAWFHil5oqaWB1meO4pT7eTAqLySHqiO/B/rbKbp/zF8PnEh2vo1:7bAkCEqaW/mZkT7gAMKL/6p/GEum

Score

10^/10

formbook t18n discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

t18n

Decoy

tmusicoregon.net

atici.online

j7u7.xyz

iewunucierwuerwnziqi1.info

ruvabetgiris.website

acik.lat

obsk.top

sphaltpaving-ttp1-shd-us-2.shop

ispensarynearme.news

b3nd.bond

urelook.xyz

gearlpfbm.top

aconstructionjob.bond

killsnexis.info

oshon.xyz

ashabsxw.top

ussiatraiding.buzz

raipsehumus.homes

6ae23rx.forum

edar88vvip.shop

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

resource	yara_rule
behavioral1/memory/1580-11-0x0000000000400000-0x000000000042F000-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

pid	Process
2816	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1956 set thread context of 1580	1956	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.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 2 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	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1580	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe
2816	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2816	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 2816	1956	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe	31
PID 1956 wrote to memory of 2816	1956	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe	31
PID 1956 wrote to memory of 2816	1956	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe	31
PID 1956 wrote to memory of 2816	1956	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe	31
PID 1956 wrote to memory of 1580	1956	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe	33
PID 1956 wrote to memory of 1580	1956	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe	33
PID 1956 wrote to memory of 1580	1956	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe	33
PID 1956 wrote to memory of 1580	1956	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe	33
PID 1956 wrote to memory of 1580	1956	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe	33
PID 1956 wrote to memory of 1580	1956	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe	33
PID 1956 wrote to memory of 1580	1956	ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe	33

C:\Users\Admin\AppData\Local\Temp\ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe
"C:\Users\Admin\AppData\Local\Temp\ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2816
- C:\Users\Admin\AppData\Local\Temp\ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe
  "C:\Users\Admin\AppData\Local\Temp\ebb5ff83ff02d5cc378fdcb1730736e22535ea3b945df2f80c992fdf09d21344.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1580-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1580-13-0x00000000008F0000-0x0000000000BF3000-memory.dmp

Filesize
3.0MB

Download
memory/1580-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1580-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1580-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1956-3-0x0000000000410000-0x0000000000422000-memory.dmp

Filesize
72KB

Download
memory/1956-6-0x0000000005360000-0x00000000053D6000-memory.dmp

Filesize
472KB

Download
memory/1956-5-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/1956-4-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/1956-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/1956-12-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/1956-2-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/1956-1-0x0000000000850000-0x00000000008E2000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing