formbook | 2db62f11ccd00d5ec690bc313bea332b24e62dbdf63c29c24884d4589a4cd928

General

Target

Fedex Awb Details_pdf.exe
Size

544KB
MD5

e081a5f2bea797aad5cd3e9e934bb8e0
SHA1

af59729a38b512cac6c3fd8896bd8123fa9bbdef
SHA256

e23bf1a652dd78590f79e4a350dd7869c9c5477ef9d1dcae78504ac4fa46cada
SHA512

af8210c19cdbfbd949d0d92921b98ba791e027548b4eef0f02a1efab7c6b621c5c90fe764c04b90528bd855b11d307c82bd9844adec2a8a731adce5267ab0f6d
SSDEEP

12288:ygRzUZzOZgFlBNeNpoMNfsoHD3DopWIzK//a9N:nk9FlTeXLsoDDRw

Score

10^/10

formbook b31a discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b31a

Decoy

enjamin-paaac.buzz

mail-marketing-40950.bond

pusems28-post.cyou

hindo.top

ruck-company-be.today

asinos-deutschland.net

ewancash.boats

etdopovo.casino

rcher-saaac.buzz

871166.vip

manuel.app

g3yqo.shop

-9way.xyz

qawgytfexe.bond

iefi6834.vip

ental-health-35901.bond

idat-merkez18.top

rojectleadzone.website

lirudolph.top

migloballlc.online

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/2436-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2436-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2436-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2632-26-0x0000000000090000-0x00000000000BF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2660	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2904 set thread context of 2436	2904	Fedex Awb Details_pdf.exe	32
PID 2436 set thread context of 1192	2436	Fedex Awb Details_pdf.exe	21
PID 2436 set thread context of 1192	2436	Fedex Awb Details_pdf.exe	21
PID 2632 set thread context of 1192	2632	cmstp.exe	21

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Fedex Awb Details_pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
2904	Fedex Awb Details_pdf.exe
2904	Fedex Awb Details_pdf.exe
2904	Fedex Awb Details_pdf.exe
2904	Fedex Awb Details_pdf.exe
2436	Fedex Awb Details_pdf.exe
2436	Fedex Awb Details_pdf.exe
2436	Fedex Awb Details_pdf.exe
2632	cmstp.exe
2632	cmstp.exe
2632	cmstp.exe
2632	cmstp.exe
2632	cmstp.exe
2632	cmstp.exe
2632	cmstp.exe
2632	cmstp.exe
2632	cmstp.exe
2632	cmstp.exe
2632	cmstp.exe
2632	cmstp.exe
2632	cmstp.exe
2632	cmstp.exe
2632	cmstp.exe
2632	cmstp.exe
2632	cmstp.exe
2632	cmstp.exe
2632	cmstp.exe
2632	cmstp.exe
2632	cmstp.exe
2632	cmstp.exe
2632	cmstp.exe
2632	cmstp.exe
2632	cmstp.exe
2632	cmstp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2436	Fedex Awb Details_pdf.exe
2436	Fedex Awb Details_pdf.exe
2436	Fedex Awb Details_pdf.exe
2436	Fedex Awb Details_pdf.exe
2632	cmstp.exe
2632	cmstp.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2904	Fedex Awb Details_pdf.exe
Token: SeDebugPrivilege	2436	Fedex Awb Details_pdf.exe
Token: SeDebugPrivilege	2632	cmstp.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 580	2904	Fedex Awb Details_pdf.exe	31
PID 2904 wrote to memory of 580	2904	Fedex Awb Details_pdf.exe	31
PID 2904 wrote to memory of 580	2904	Fedex Awb Details_pdf.exe	31
PID 2904 wrote to memory of 580	2904	Fedex Awb Details_pdf.exe	31
PID 2904 wrote to memory of 2436	2904	Fedex Awb Details_pdf.exe	32
PID 2904 wrote to memory of 2436	2904	Fedex Awb Details_pdf.exe	32
PID 2904 wrote to memory of 2436	2904	Fedex Awb Details_pdf.exe	32
PID 2904 wrote to memory of 2436	2904	Fedex Awb Details_pdf.exe	32
PID 2904 wrote to memory of 2436	2904	Fedex Awb Details_pdf.exe	32
PID 2904 wrote to memory of 2436	2904	Fedex Awb Details_pdf.exe	32
PID 2904 wrote to memory of 2436	2904	Fedex Awb Details_pdf.exe	32
PID 1192 wrote to memory of 2632	1192	Explorer.EXE	40
PID 1192 wrote to memory of 2632	1192	Explorer.EXE	40
PID 1192 wrote to memory of 2632	1192	Explorer.EXE	40
PID 1192 wrote to memory of 2632	1192	Explorer.EXE	40
PID 1192 wrote to memory of 2632	1192	Explorer.EXE	40
PID 1192 wrote to memory of 2632	1192	Explorer.EXE	40
PID 1192 wrote to memory of 2632	1192	Explorer.EXE	40
PID 2632 wrote to memory of 2660	2632	cmstp.exe	41
PID 2632 wrote to memory of 2660	2632	cmstp.exe	41
PID 2632 wrote to memory of 2660	2632	cmstp.exe	41
PID 2632 wrote to memory of 2660	2632	cmstp.exe	41

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2904
- - C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe"
    3⤵
    PID:580
- - C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2436
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2940
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2900
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2832
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2836
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2640
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2300
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2788
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.exe"
  2⤵
  - 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:2632
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Fedex Awb Details_pdf.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2660

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/1192-23-0x00000000077A0000-0x000000000792E000-memory.dmp

Filesize
1.6MB

Download
memory/1192-27-0x00000000077A0000-0x000000000792E000-memory.dmp

Filesize
1.6MB

Download
memory/1192-22-0x0000000006FC0000-0x000000000716B000-memory.dmp

Filesize
1.7MB

Download
memory/1192-18-0x0000000006FC0000-0x000000000716B000-memory.dmp

Filesize
1.7MB

Download
memory/2436-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2436-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2436-21-0x00000000002D0000-0x00000000002E4000-memory.dmp

Filesize
80KB

Download
memory/2436-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2436-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2436-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2436-14-0x0000000000950000-0x0000000000C53000-memory.dmp

Filesize
3.0MB

Download
memory/2436-17-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/2436-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2632-24-0x0000000000DE0000-0x0000000000DF8000-memory.dmp

Filesize
96KB

Download
memory/2632-25-0x0000000000DE0000-0x0000000000DF8000-memory.dmp

Filesize
96KB

Download
memory/2632-26-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/2904-6-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2904-13-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2904-7-0x0000000000B60000-0x0000000000BD6000-memory.dmp

Filesize
472KB

Download
memory/2904-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download
memory/2904-5-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download
memory/2904-4-0x0000000000250000-0x0000000000260000-memory.dmp

Filesize
64KB

Download
memory/2904-3-0x0000000004FA0000-0x0000000005032000-memory.dmp

Filesize
584KB

Download
memory/2904-2-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2904-1-0x0000000000EC0000-0x0000000000F4E000-memory.dmp

Filesize
568KB

Download

Analysis

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