formbook | 79115213cd51631d50fdd6d76f5d5825017ff0f01e7c8a0f4d72e1c626d912dd

General

Target

Confirm!!.exe
Size

909KB
MD5

63f2ae7b89ae6bfad8ee75885b92ab2d
SHA1

4761dc770d4e7259137bf74d52285bf5f46d068a
SHA256

bb8548a744cd648172b769babfe7fb42aec25bc35e812f491af41d31c4c92d13
SHA512

10c84ab1a412fff41d76b3244d852413bb5952720c6ed310d7f6c3689c0191bf678e2d11846bcd3716ce4243f9672c1fdabb458081c5c8cacb53dce53b9d5f3a
SSDEEP

12288:3QZPC78Xxgjmqdd3ryMQD3EtX7rPK5Juy2fA/Ft795l0umvv:3QK8Xqj3B5Xa0st55lBm

Score

10^/10

formbook he2a rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

he2a

Decoy

connectioncompass.store

zekicharge.com

dp77.shop

guninfo.guru

mamaeconomics.net

narcisme.coach

redtopassociates.com

ezezn.com

theoregondog.com

pagosmultired.online

emsculptcenterofne.com

meet-friends.online

pf326.com

wealthjigsaw.xyz

arsajib.com

kickassholdings.online

avaturre.biz

dtslogs.com

lb92.tech

pittalam.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/2120-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2120-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2744-22-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/2744-24-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2748	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1728 set thread context of 2120	1728	Confirm!!.exe	28
PID 2120 set thread context of 1236	2120	Confirm!!.exe	13
PID 2744 set thread context of 1236	2744	NETSTAT.EXE	13

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
2744	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
2120	Confirm!!.exe
2120	Confirm!!.exe
2744	NETSTAT.EXE
2744	NETSTAT.EXE
2744	NETSTAT.EXE
2744	NETSTAT.EXE
2744	NETSTAT.EXE
2744	NETSTAT.EXE
2744	NETSTAT.EXE
2744	NETSTAT.EXE
2744	NETSTAT.EXE
2744	NETSTAT.EXE
2744	NETSTAT.EXE
2744	NETSTAT.EXE
2744	NETSTAT.EXE
2744	NETSTAT.EXE
2744	NETSTAT.EXE
2744	NETSTAT.EXE
2744	NETSTAT.EXE
2744	NETSTAT.EXE
2744	NETSTAT.EXE
2744	NETSTAT.EXE
2744	NETSTAT.EXE
2744	NETSTAT.EXE
2744	NETSTAT.EXE
2744	NETSTAT.EXE
2744	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1236	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2120	Confirm!!.exe
2120	Confirm!!.exe
2120	Confirm!!.exe
2744	NETSTAT.EXE
2744	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2120	Confirm!!.exe
Token: SeDebugPrivilege	2744	NETSTAT.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2120	1728	Confirm!!.exe	28
PID 1728 wrote to memory of 2120	1728	Confirm!!.exe	28
PID 1728 wrote to memory of 2120	1728	Confirm!!.exe	28
PID 1728 wrote to memory of 2120	1728	Confirm!!.exe	28
PID 1728 wrote to memory of 2120	1728	Confirm!!.exe	28
PID 1728 wrote to memory of 2120	1728	Confirm!!.exe	28
PID 1728 wrote to memory of 2120	1728	Confirm!!.exe	28
PID 1236 wrote to memory of 2744	1236	Explorer.EXE	29
PID 1236 wrote to memory of 2744	1236	Explorer.EXE	29
PID 1236 wrote to memory of 2744	1236	Explorer.EXE	29
PID 1236 wrote to memory of 2744	1236	Explorer.EXE	29
PID 2744 wrote to memory of 2748	2744	NETSTAT.EXE	30
PID 2744 wrote to memory of 2748	2744	NETSTAT.EXE	30
PID 2744 wrote to memory of 2748	2744	NETSTAT.EXE	30
PID 2744 wrote to memory of 2748	2744	NETSTAT.EXE	30

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Users\Admin\AppData\Local\Temp\Confirm!!.exe
  "C:\Users\Admin\AppData\Local\Temp\Confirm!!.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1728
- - C:\Users\Admin\AppData\Local\Temp\Confirm!!.exe
    "C:\Users\Admin\AppData\Local\Temp\Confirm!!.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2120
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Confirm!!.exe"
    3⤵
    - Deletes itself
    PID:2748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1236-27-0x0000000004BE0000-0x0000000004CE4000-memory.dmp

Filesize
1.0MB

Download
memory/1236-32-0x0000000004BE0000-0x0000000004CE4000-memory.dmp

Filesize
1.0MB

Download
memory/1236-29-0x0000000006C30000-0x0000000006DD7000-memory.dmp

Filesize
1.7MB

Download
memory/1236-28-0x0000000004BE0000-0x0000000004CE4000-memory.dmp

Filesize
1.0MB

Download
memory/1236-17-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1236-19-0x0000000006C30000-0x0000000006DD7000-memory.dmp

Filesize
1.7MB

Download
memory/1728-1-0x0000000074340000-0x0000000074A2E000-memory.dmp

Filesize
6.9MB

Download
memory/1728-2-0x0000000004EA0000-0x0000000004EE0000-memory.dmp

Filesize
256KB

Download
memory/1728-3-0x0000000000370000-0x000000000037E000-memory.dmp

Filesize
56KB

Download
memory/1728-4-0x0000000000390000-0x000000000039A000-memory.dmp

Filesize
40KB

Download
memory/1728-5-0x0000000005330000-0x00000000053C8000-memory.dmp

Filesize
608KB

Download
memory/1728-13-0x0000000074340000-0x0000000074A2E000-memory.dmp

Filesize
6.9MB

Download
memory/1728-0-0x0000000000F30000-0x0000000001018000-memory.dmp

Filesize
928KB

Download
memory/2120-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2120-18-0x0000000000180000-0x0000000000195000-memory.dmp

Filesize
84KB

Download
memory/2120-14-0x0000000000930000-0x0000000000C33000-memory.dmp

Filesize
3.0MB

Download
memory/2120-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2120-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2120-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2120-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2744-20-0x0000000000D20000-0x0000000000D29000-memory.dmp

Filesize
36KB

Download
memory/2744-21-0x0000000000D20000-0x0000000000D29000-memory.dmp

Filesize
36KB

Download
memory/2744-22-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2744-23-0x0000000002130000-0x0000000002433000-memory.dmp

Filesize
3.0MB

Download
memory/2744-24-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2744-26-0x0000000000B30000-0x0000000000BC4000-memory.dmp

Filesize
592KB

Download

Analysis

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