formbook | 6b73ab2cf730e26c8609e57d23e09260d6c74db84f29ae6f786129f7a3b6512b

General

Target

tmp.exe
Size

710KB
MD5

493562fc3240d634f797be4a433d72c7
SHA1

92569595aa0a20d9937bd03525a756dd35059d3b
SHA256

6b73ab2cf730e26c8609e57d23e09260d6c74db84f29ae6f786129f7a3b6512b
SHA512

70eb16d06d38d80cc4513962f6fbdeda54e6ec2bc30caa9fb112d3cd355b12c088426c823d3d4a3e315209b3fc908c0339e9cdc8de99462e87eba311f4801a75
SSDEEP

12288:406gna2iNP1UIkvEbtOgVt3KB6bxxXRZEG/p8fD5mcjtqlg6utz5l96OXaq:XTa1F14ot1aIxxAop+mc0g6MNa

Score

10^/10

formbook ro12 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ro12

Decoy

start399.com

decyfincoin.com

binguozhijiaok.com

one45.vip

55dy5s.top

regmt.pro

2ahxgaafifl.com

xn--6rtp2flvfc2h.com

justinmburns.com

los3.online

fleshaaikensdivinegiven7llc.com

servicedelv.services

apexcaryhomesforsale.com

shuraop.xyz

sagetotal.com

gratitude-et-compagnie.com

riderarea.com

digitalserviceact.online

contentbyc.com

agenda-digital-planner.com

Signatures

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

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1604-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1604-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2688-24-0x00000000000E0000-0x000000000010F000-memory.dmp	formbook
behavioral1/memory/2688-27-0x00000000000E0000-0x000000000010F000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2536 cmd.exe

pid	process
2536	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

tmp.exetmp.exewininit.exe

description	pid	process	target process
PID 1040 set thread context of 1604	1040	tmp.exe	tmp.exe
PID 1604 set thread context of 1216	1604	tmp.exe	Explorer.EXE
PID 2688 set thread context of 1216	2688	wininit.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 27 IoCs

Processes:

tmp.exetmp.exewininit.exe

pid	process
1040	tmp.exe
1040	tmp.exe
1040	tmp.exe
1040	tmp.exe
1040	tmp.exe
1040	tmp.exe
1040	tmp.exe
1604	tmp.exe
1604	tmp.exe
2688	wininit.exe
2688	wininit.exe
2688	wininit.exe
2688	wininit.exe
2688	wininit.exe
2688	wininit.exe
2688	wininit.exe
2688	wininit.exe
2688	wininit.exe
2688	wininit.exe
2688	wininit.exe
2688	wininit.exe
2688	wininit.exe
2688	wininit.exe
2688	wininit.exe
2688	wininit.exe
2688	wininit.exe
2688	wininit.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1216 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

tmp.exewininit.exe

pid process

1604 tmp.exe
1604 tmp.exe
1604 tmp.exe
2688 wininit.exe
2688 wininit.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

tmp.exetmp.exewininit.exe

description pid process

Token: SeDebugPrivilege 1040 tmp.exe
Token: SeDebugPrivilege 1604 tmp.exe
Token: SeDebugPrivilege 2688 wininit.exe

pid	process
1216	Explorer.EXE

pid	process
1604	tmp.exe
1604	tmp.exe
1604	tmp.exe
2688	wininit.exe
2688	wininit.exe

description	pid	process
Token: SeDebugPrivilege	1040	tmp.exe
Token: SeDebugPrivilege	1604	tmp.exe
Token: SeDebugPrivilege	2688	wininit.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

tmp.exeExplorer.EXEwininit.exe

description	pid	process	target process
PID 1040 wrote to memory of 1604	1040	tmp.exe	tmp.exe
PID 1040 wrote to memory of 1604	1040	tmp.exe	tmp.exe
PID 1040 wrote to memory of 1604	1040	tmp.exe	tmp.exe
PID 1040 wrote to memory of 1604	1040	tmp.exe	tmp.exe
PID 1040 wrote to memory of 1604	1040	tmp.exe	tmp.exe
PID 1040 wrote to memory of 1604	1040	tmp.exe	tmp.exe
PID 1040 wrote to memory of 1604	1040	tmp.exe	tmp.exe
PID 1216 wrote to memory of 2688	1216	Explorer.EXE	wininit.exe
PID 1216 wrote to memory of 2688	1216	Explorer.EXE	wininit.exe
PID 1216 wrote to memory of 2688	1216	Explorer.EXE	wininit.exe
PID 1216 wrote to memory of 2688	1216	Explorer.EXE	wininit.exe
PID 2688 wrote to memory of 2536	2688	wininit.exe	cmd.exe
PID 2688 wrote to memory of 2536	2688	wininit.exe	cmd.exe
PID 2688 wrote to memory of 2536	2688	wininit.exe	cmd.exe
PID 2688 wrote to memory of 2536	2688	wininit.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1040
- - 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:1604
- C:\Windows\SysWOW64\wininit.exe
  "C:\Windows\SysWOW64\wininit.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2688
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    3⤵
    - Deletes itself
    PID:2536

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1040-15-0x00000000747E0000-0x0000000074ECE000-memory.dmp

Filesize
6.9MB

Download
memory/1040-0-0x0000000000FA0000-0x0000000001058000-memory.dmp

Filesize
736KB

Download
memory/1040-2-0x0000000004D00000-0x0000000004D40000-memory.dmp

Filesize
256KB

Download
memory/1040-3-0x0000000000520000-0x0000000000538000-memory.dmp

Filesize
96KB

Download
memory/1040-7-0x000000000A400000-0x000000000A46E000-memory.dmp

Filesize
440KB

Download
memory/1040-5-0x0000000004D00000-0x0000000004D40000-memory.dmp

Filesize
256KB

Download
memory/1040-1-0x00000000747E0000-0x0000000074ECE000-memory.dmp

Filesize
6.9MB

Download
memory/1040-6-0x0000000000390000-0x000000000039A000-memory.dmp

Filesize
40KB

Download
memory/1040-4-0x00000000747E0000-0x0000000074ECE000-memory.dmp

Filesize
6.9MB

Download
memory/1216-34-0x0000000004D10000-0x0000000004DAF000-memory.dmp

Filesize
636KB

Download
memory/1216-31-0x0000000004D10000-0x0000000004DAF000-memory.dmp

Filesize
636KB

Download
memory/1216-30-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1216-21-0x00000000042B0000-0x0000000004362000-memory.dmp

Filesize
712KB

Download
memory/1216-26-0x00000000042B0000-0x0000000004362000-memory.dmp

Filesize
712KB

Download
memory/1216-32-0x0000000004D10000-0x0000000004DAF000-memory.dmp

Filesize
636KB

Download
memory/1216-20-0x0000000000360000-0x0000000000460000-memory.dmp

Filesize
1024KB

Download
memory/1604-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1604-19-0x0000000000450000-0x0000000000464000-memory.dmp

Filesize
80KB

Download
memory/1604-16-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/1604-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1604-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1604-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1604-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2688-22-0x0000000000E10000-0x0000000000E2A000-memory.dmp

Filesize
104KB

Download
memory/2688-23-0x0000000000E10000-0x0000000000E2A000-memory.dmp

Filesize
104KB

Download
memory/2688-24-0x00000000000E0000-0x000000000010F000-memory.dmp

Filesize
188KB

Download
memory/2688-25-0x0000000002230000-0x0000000002533000-memory.dmp

Filesize
3.0MB

Download
memory/2688-27-0x00000000000E0000-0x000000000010F000-memory.dmp

Filesize
188KB

Download
memory/2688-29-0x0000000000960000-0x00000000009F3000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads