formbook | acf03676e5dd002d0dc94a2b50e83dda78d287ee9b07ad2c9659688310015820

General

Target

Quotation.exe
Size

1.1MB
MD5

e5834e14777d7df91dc61f75c796e07a
SHA1

1307720fcf7f9df9dc5d3f7393229b92f56b2480
SHA256

acf03676e5dd002d0dc94a2b50e83dda78d287ee9b07ad2c9659688310015820
SHA512

048b73353999a417d239f488743656dee95b0b3b8ed8a0c8adca5ba9474ffbc2d22223d51e4b852bf6bbb189ad3bb127ae59f2d062e8171f77b0223b4bca31cc
SSDEEP

24576:/qDEvCTbMWu7rQYlBQcBiT6rprG8aLHqGzPdlAx:/TvC/MTQYxsWR7aLHbzPD

Score

10^/10

formbook ty31 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ty31

Decoy

jejakunik.com

inb319.com

jifsjn.buzz

gkyukon.site

43443.cfd

cogil69id.com

oeaog.com

lpgatm.com

mymarketsales.com

tomclk.icu

404417.online

nysconstruction.com

ourwisequote.com

ahsanadvisory.com

ottawaherps.com

forevermust.com

apartments-for-rent-47679.bond

kdasjijaksdd.icu

buthaynah.com

manggungjayakanopi.com

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2288-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2288-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2288-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2704-24-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2960 set thread context of 2288	2960	Quotation.exe	30
PID 2288 set thread context of 1236	2288	svchost.exe	21
PID 2288 set thread context of 1236	2288	svchost.exe	21
PID 2704 set thread context of 1236	2704	cmmon32.exe	21

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	Quotation.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2288	svchost.exe
2288	svchost.exe
2288	svchost.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe
2704	cmmon32.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2960	Quotation.exe
2288	svchost.exe
2288	svchost.exe
2288	svchost.exe
2288	svchost.exe
2704	cmmon32.exe
2704	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2288	svchost.exe
Token: SeDebugPrivilege	2704	cmmon32.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2960	Quotation.exe
2960	Quotation.exe
1236	Explorer.EXE
1236	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2960	Quotation.exe
2960	Quotation.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 2288	2960	Quotation.exe	30
PID 2960 wrote to memory of 2288	2960	Quotation.exe	30
PID 2960 wrote to memory of 2288	2960	Quotation.exe	30
PID 2960 wrote to memory of 2288	2960	Quotation.exe	30
PID 2960 wrote to memory of 2288	2960	Quotation.exe	30
PID 2288 wrote to memory of 2704	2288	svchost.exe	31
PID 2288 wrote to memory of 2704	2288	svchost.exe	31
PID 2288 wrote to memory of 2704	2288	svchost.exe	31
PID 2288 wrote to memory of 2704	2288	svchost.exe	31
PID 2704 wrote to memory of 2784	2704	cmmon32.exe	32
PID 2704 wrote to memory of 2784	2704	cmmon32.exe	32
PID 2704 wrote to memory of 2784	2704	cmmon32.exe	32
PID 2704 wrote to memory of 2784	2704	cmmon32.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
PID:1236
- C:\Users\Admin\AppData\Local\Temp\Quotation.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2960
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation.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:2288
  - - C:\Windows\SysWOW64\cmmon32.exe
      "C:\Windows\SysWOW64\cmmon32.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:2704
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\SysWOW64\svchost.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1236-21-0x0000000007010000-0x0000000007108000-memory.dmp

Filesize
992KB

Download
memory/1236-33-0x0000000007640000-0x000000000778F000-memory.dmp

Filesize
1.3MB

Download
memory/1236-30-0x0000000007640000-0x000000000778F000-memory.dmp

Filesize
1.3MB

Download
memory/1236-29-0x0000000007640000-0x000000000778F000-memory.dmp

Filesize
1.3MB

Download
memory/1236-26-0x0000000007010000-0x0000000007108000-memory.dmp

Filesize
992KB

Download
memory/1236-16-0x0000000007510000-0x0000000007638000-memory.dmp

Filesize
1.2MB

Download
memory/1236-18-0x0000000007510000-0x0000000007638000-memory.dmp

Filesize
1.2MB

Download
memory/2288-20-0x00000000002A0000-0x00000000002B4000-memory.dmp

Filesize
80KB

Download
memory/2288-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2288-14-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/2288-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2288-13-0x0000000000780000-0x0000000000A83000-memory.dmp

Filesize
3.0MB

Download
memory/2288-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2704-22-0x0000000000D50000-0x0000000000D5D000-memory.dmp

Filesize
52KB

Download
memory/2704-23-0x0000000000D50000-0x0000000000D5D000-memory.dmp

Filesize
52KB

Download
memory/2704-24-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2960-10-0x0000000000560000-0x0000000000564000-memory.dmp

Filesize
16KB

Download

Analysis

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