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 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2652-18-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2652-21-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2652-26-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2044	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2528 set thread context of 2652	2528	SyncTextReader.exe	33
PID 2652 set thread context of 1192	2652	SyncTextReader.exe	21
PID 2652 set thread context of 1192	2652	SyncTextReader.exe	21
PID 896 set thread context of 1192	896	raserver.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	SyncTextReader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SyncTextReader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	raserver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2944	schtasks.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
2652	SyncTextReader.exe
2652	SyncTextReader.exe
2652	SyncTextReader.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe
896	raserver.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2652	SyncTextReader.exe
2652	SyncTextReader.exe
2652	SyncTextReader.exe
2652	SyncTextReader.exe
896	raserver.exe
896	raserver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2652	SyncTextReader.exe
Token: SeDebugPrivilege	896	raserver.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2944	2528	SyncTextReader.exe	31
PID 2528 wrote to memory of 2944	2528	SyncTextReader.exe	31
PID 2528 wrote to memory of 2944	2528	SyncTextReader.exe	31
PID 2528 wrote to memory of 2944	2528	SyncTextReader.exe	31
PID 2528 wrote to memory of 2652	2528	SyncTextReader.exe	33
PID 2528 wrote to memory of 2652	2528	SyncTextReader.exe	33
PID 2528 wrote to memory of 2652	2528	SyncTextReader.exe	33
PID 2528 wrote to memory of 2652	2528	SyncTextReader.exe	33
PID 2528 wrote to memory of 2652	2528	SyncTextReader.exe	33
PID 2528 wrote to memory of 2652	2528	SyncTextReader.exe	33
PID 2528 wrote to memory of 2652	2528	SyncTextReader.exe	33
PID 2652 wrote to memory of 896	2652	SyncTextReader.exe	47
PID 2652 wrote to memory of 896	2652	SyncTextReader.exe	47
PID 2652 wrote to memory of 896	2652	SyncTextReader.exe	47
PID 2652 wrote to memory of 896	2652	SyncTextReader.exe	47
PID 896 wrote to memory of 2044	896	raserver.exe	48
PID 896 wrote to memory of 2044	896	raserver.exe	48
PID 896 wrote to memory of 2044	896	raserver.exe	48
PID 896 wrote to memory of 2044	896	raserver.exe	48

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\SyncTextReader.exe
  "C:\Users\Admin\AppData\Local\Temp\SyncTextReader.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NyHwxWSaYDxx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA563.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2944
- - C:\Users\Admin\AppData\Local\Temp\SyncTextReader.exe
    "C:\Users\Admin\AppData\Local\Temp\SyncTextReader.exe"
    3⤵
    - 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:2652
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:2344
  - - C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      4⤵
      PID:1412
  - - C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      4⤵
      PID:1188
  - - C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      4⤵
      PID:2512
  - - C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      4⤵
      PID:1528
  - - C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      4⤵
      PID:532
  - - C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      4⤵
      PID:320
  - - C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      4⤵
      PID:476
  - - C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      4⤵
      PID:1000
  - - C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      4⤵
      PID:1936
  - - C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      4⤵
      PID:1464
  - - C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      4⤵
      PID:348
  - - C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      4⤵
      PID:624
  - - C:\Windows\SysWOW64\raserver.exe
      "C:\Windows\SysWOW64\raserver.exe"
      4⤵
      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:896
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\SyncTextReader.exe"
        5⤵
        Deletes itself
        System Location Discovery: System Language Discovery
        
        PID:2044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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\tmpA563.tmp

Filesize
1KB

MD5
2d2bb34e77526fa32561571f5e543825

SHA1
4ffe9ae6c2ef08dd04e4bfb4c5140df966fd79ca

SHA256
2a200a72c44b8217c7127061d444ea79f956ef40ea1787041d8741172984e4ce

SHA512
f631fdf4e3ed3c16d83dc66df81996e91968da3a5f353eb814243c514472cd9a635d074a6a9f8b8eb67a1771559cf9a98aa87b78109c8506b94feaaebc95b018

Download Submit
memory/896-30-0x00000000005E0000-0x00000000005FC000-memory.dmp

Filesize
112KB

Download
memory/896-31-0x00000000005E0000-0x00000000005FC000-memory.dmp

Filesize
112KB

Download
memory/1192-32-0x0000000005190000-0x0000000005281000-memory.dmp

Filesize
964KB

Download
memory/1192-28-0x0000000004FF0000-0x0000000005184000-memory.dmp

Filesize
1.6MB

Download
memory/1192-24-0x0000000004FF0000-0x0000000005184000-memory.dmp

Filesize
1.6MB

Download
memory/1192-29-0x0000000005190000-0x0000000005281000-memory.dmp

Filesize
964KB

Download
memory/2528-2-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2528-3-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2528-4-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2528-5-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2528-1-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2528-0-0x0000000074C61000-0x0000000074C62000-memory.dmp

Filesize
4KB

Download
memory/2528-23-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2652-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2652-19-0x0000000000930000-0x0000000000C33000-memory.dmp

Filesize
3.0MB

Download
memory/2652-21-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2652-22-0x00000000002D0000-0x00000000002E4000-memory.dmp

Filesize
80KB

Download
memory/2652-27-0x00000000003A0000-0x00000000003B4000-memory.dmp

Filesize
80KB

Download
memory/2652-26-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2652-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2652-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2652-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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