formbook | 5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294

General

Target

SyncTextReader.exe
Size

1.1MB
MD5

3a1133a31a67b64ec6165ac328098fdf
SHA1

43c43d1025925785a23ec4b160dfd566135266ca
SHA256

5f8719f381c3dbe465082297c7ce0d2af2954503f737592f19313ac19f9cd294
SHA512

4014477c4f2ab52fd54747891d14e5817ee7090fc2716c1837284f9887b67c58f697278c22a40c4ff30d9d40d16b0e43b907a2927272152b68b6fd4e4bd1db37
SSDEEP

24576:bU1zwrxR4lWzWzm1ejk7ZDsLCoFCS4/d8:40R4lEWzm1e47MCogH/K

Score

10^/10

formbook j7e discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

j7e

Decoy

cefuoficial.com

luxmusicclub.com

getridofmyed.xyz

sports-plaza.com

peteropsomer.com

kemendi.com

divinciresolve.com

readtogrowup.com

hidex-corp.com

aladininternational.com

snesait.art

ezzpick.net

saveashow.com

eazyprintsplus.com

usadatesclub.com

rafaelraf.com

themiamadison.com

regarta.com

aiocitys.net

ahorn-invest.com

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/3044-12-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/3044-17-0x0000000000400000-0x000000000042E000-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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	SyncTextReader.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4944 set thread context of 3044	4944	SyncTextReader.exe	97
PID 3044 set thread context of 3524	3044	SyncTextReader.exe	56
PID 1920 set thread context of 3524	1920	ipconfig.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 4 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SyncTextReader.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
1920	ipconfig.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
4976	schtasks.exe

Suspicious behavior: EnumeratesProcesses 34 IoCs

pid	Process
3044	SyncTextReader.exe
3044	SyncTextReader.exe
3044	SyncTextReader.exe
3044	SyncTextReader.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe
1920	ipconfig.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3044	SyncTextReader.exe
3044	SyncTextReader.exe
3044	SyncTextReader.exe
1920	ipconfig.exe
1920	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3044	SyncTextReader.exe
Token: SeDebugPrivilege	1920	ipconfig.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3524	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4944 wrote to memory of 4976	4944	SyncTextReader.exe	95
PID 4944 wrote to memory of 4976	4944	SyncTextReader.exe	95
PID 4944 wrote to memory of 4976	4944	SyncTextReader.exe	95
PID 4944 wrote to memory of 3044	4944	SyncTextReader.exe	97
PID 4944 wrote to memory of 3044	4944	SyncTextReader.exe	97
PID 4944 wrote to memory of 3044	4944	SyncTextReader.exe	97
PID 4944 wrote to memory of 3044	4944	SyncTextReader.exe	97
PID 4944 wrote to memory of 3044	4944	SyncTextReader.exe	97
PID 4944 wrote to memory of 3044	4944	SyncTextReader.exe	97
PID 3524 wrote to memory of 1920	3524	Explorer.EXE	98
PID 3524 wrote to memory of 1920	3524	Explorer.EXE	98
PID 3524 wrote to memory of 1920	3524	Explorer.EXE	98
PID 1920 wrote to memory of 4584	1920	ipconfig.exe	99
PID 1920 wrote to memory of 4584	1920	ipconfig.exe	99
PID 1920 wrote to memory of 4584	1920	ipconfig.exe	99

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3524
- C:\Users\Admin\AppData\Local\Temp\SyncTextReader.exe
  "C:\Users\Admin\AppData\Local\Temp\SyncTextReader.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4944
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NyHwxWSaYDxx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp73D3.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4976
- - C:\Users\Admin\AppData\Local\Temp\SyncTextReader.exe
    "C:\Users\Admin\AppData\Local\Temp\SyncTextReader.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3044
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1920
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\SyncTextReader.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

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

Query Registry

1

T1012

System Information Discovery

3

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\tmp73D3.tmp

Filesize
1KB

MD5
1f85392a292389fee87a90c2e6df80c1

SHA1
700289435e4241a09052df95ffd1631a5c4f50cd

SHA256
69ae873a45e09c50a5af3bf1631f6b04c4099117dd947730fcfaa1f2f57e5976

SHA512
b3f05500407f9e0ca8acfd82839a194a9db5f1e1748dc5572ab4556ff3dfd7d617d94f3b5c9e5dcd788e16be8365982ea3e90ce2ef5b12c30dcee1686aea6adb

Download Submit
memory/1920-21-0x0000000000730000-0x000000000073B000-memory.dmp

Filesize
44KB

Download
memory/1920-20-0x0000000000730000-0x000000000073B000-memory.dmp

Filesize
44KB

Download
memory/3044-15-0x00000000016A0000-0x00000000019EA000-memory.dmp

Filesize
3.3MB

Download
memory/3044-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3044-18-0x0000000001560000-0x0000000001574000-memory.dmp

Filesize
80KB

Download
memory/3044-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3524-22-0x0000000002B20000-0x0000000002C0F000-memory.dmp

Filesize
956KB

Download
memory/3524-19-0x0000000002B20000-0x0000000002C0F000-memory.dmp

Filesize
956KB

Download
memory/3524-26-0x0000000002FC0000-0x0000000003152000-memory.dmp

Filesize
1.6MB

Download
memory/3524-27-0x0000000002FC0000-0x0000000003152000-memory.dmp

Filesize
1.6MB

Download
memory/3524-29-0x0000000002FC0000-0x0000000003152000-memory.dmp

Filesize
1.6MB

Download
memory/4944-6-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/4944-14-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/4944-0-0x0000000075032000-0x0000000075033000-memory.dmp

Filesize
4KB

Download
memory/4944-5-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/4944-4-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/4944-2-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/4944-1-0x0000000075030000-0x00000000755E1000-memory.dmp

Filesize
5.7MB

Download
memory/4944-3-0x0000000075032000-0x0000000075033000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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