formbook | 0e1d21f60b2306337010b1d717e236067de9c46bd2c4b9f7c38e011af7b46093

General

Target

tmp.exe
Size

1.0MB
MD5

17bbc32ae7b7b8282df2908c19e7af86
SHA1

20fedf92f7e8c031a197bf735ff6fced3d8e96a1
SHA256

0e1d21f60b2306337010b1d717e236067de9c46bd2c4b9f7c38e011af7b46093
SHA512

65ce67671dff258200d21b351915a9a69f4eb64b35fa1bd16549cab6bf0ad9eb7f9b7c6a87c0b7c103afe10c0069a9ab431d1bcedca5d7e7bde82dfd394ab614
SSDEEP

12288:wT7PqP2iNcvaHfNSiJoAdC9Kpki86TPKBt+kY4sDTwKOZLeGu:dP1Ls/Umi86TPKBK4sDTgX

Score

10^/10

formbook ey84 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ey84

Decoy

agencecapture.com

ky4149.com

thetherapypractice.asia

serviciosemi.com

tprhddxvn.buzz

prompttransport.net

tuv39.site

swd3.com

arti.fun

9kriketnp.com

prozoriy.fun

locphatapl.com

impactxp-dashboard.live

sponsoredoffers.com

buy-used-cars-sa.store

crown.football

jaeralintel.com

rapidguides.online

creaminthecoffee.com

makkaa.online

Signatures

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

Formbook payload 5 IoCs

rat

resource	yara_rule
behavioral2/memory/1108-139-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1108-144-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1108-148-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3080-150-0x0000000000E80000-0x0000000000EAF000-memory.dmp	formbook
behavioral2/memory/3080-155-0x0000000000E80000-0x0000000000EAF000-memory.dmp	formbook

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{EA8D5EEC-8DF9-48DF-BF33-C8DE25DFF0D6}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{ED7F3CD5-5AE9-4FEF-8A76-93590029C3B2}.catalogItem	svchost.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3012 set thread context of 1108	3012	tmp.exe	94
PID 1108 set thread context of 3004	1108	tmp.exe	20
PID 1108 set thread context of 3004	1108	tmp.exe	20
PID 3080 set thread context of 3004	3080	ipconfig.exe	20

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command-Line Interface

T1059

pid	Process
3080	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 38 IoCs

pid	Process
1108	tmp.exe
1108	tmp.exe
1108	tmp.exe
1108	tmp.exe
1108	tmp.exe
1108	tmp.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe
3080	ipconfig.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3004	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1108	tmp.exe
1108	tmp.exe
1108	tmp.exe
1108	tmp.exe
3080	ipconfig.exe
3080	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1108	tmp.exe
Token: SeShutdownPrivilege	3004	Explorer.EXE
Token: SeCreatePagefilePrivilege	3004	Explorer.EXE
Token: SeDebugPrivilege	3080	ipconfig.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 1108	3012	tmp.exe	94
PID 3012 wrote to memory of 1108	3012	tmp.exe	94
PID 3012 wrote to memory of 1108	3012	tmp.exe	94
PID 3012 wrote to memory of 1108	3012	tmp.exe	94
PID 3012 wrote to memory of 1108	3012	tmp.exe	94
PID 3012 wrote to memory of 1108	3012	tmp.exe	94
PID 3004 wrote to memory of 3080	3004	Explorer.EXE	105
PID 3004 wrote to memory of 3080	3004	Explorer.EXE	105
PID 3004 wrote to memory of 3080	3004	Explorer.EXE	105
PID 3080 wrote to memory of 4596	3080	ipconfig.exe	106
PID 3080 wrote to memory of 4596	3080	ipconfig.exe	106
PID 3080 wrote to memory of 4596	3080	ipconfig.exe	106

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3012
- - C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1108
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:3320
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:3848
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1360
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:5088
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:4392
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1564
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1152
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2228
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1880
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3080
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    3⤵
    PID:4596

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:4932

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1108-145-0x00000000016A0000-0x00000000016B4000-memory.dmp

Filesize
80KB

Download
memory/1108-148-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1108-142-0x0000000001630000-0x0000000001644000-memory.dmp

Filesize
80KB

Download
memory/1108-141-0x0000000001C40000-0x0000000001F8A000-memory.dmp

Filesize
3.3MB

Download
memory/1108-139-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1108-144-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3004-146-0x00000000036A0000-0x0000000003797000-memory.dmp

Filesize
988KB

Download
memory/3004-156-0x0000000009100000-0x000000000926E000-memory.dmp

Filesize
1.4MB

Download
memory/3004-143-0x0000000008B40000-0x0000000008CD6000-memory.dmp

Filesize
1.6MB

Download
memory/3004-154-0x0000000009100000-0x000000000926E000-memory.dmp

Filesize
1.4MB

Download
memory/3012-132-0x00000000004C0000-0x00000000005C8000-memory.dmp

Filesize
1.0MB

Download
memory/3012-135-0x0000000005020000-0x000000000502A000-memory.dmp

Filesize
40KB

Download
memory/3012-137-0x0000000009C50000-0x0000000009CB6000-memory.dmp

Filesize
408KB

Download
memory/3012-134-0x0000000004F80000-0x0000000005012000-memory.dmp

Filesize
584KB

Download
memory/3012-133-0x0000000005530000-0x0000000005AD4000-memory.dmp

Filesize
5.6MB

Download
memory/3012-136-0x0000000009BB0000-0x0000000009C4C000-memory.dmp

Filesize
624KB

Download
memory/3080-149-0x0000000000ED0000-0x0000000000EDB000-memory.dmp

Filesize
44KB

Download
memory/3080-150-0x0000000000E80000-0x0000000000EAF000-memory.dmp

Filesize
188KB

Download
memory/3080-151-0x00000000018A0000-0x0000000001BEA000-memory.dmp

Filesize
3.3MB

Download
memory/3080-153-0x00000000017F0000-0x0000000001883000-memory.dmp

Filesize
588KB

Download
memory/3080-155-0x0000000000E80000-0x0000000000EAF000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads