formbook | c4f6b7795e7c6267497a352a75628f59778b0345d719fb49eca4967a681b5728

General

Target

Invoice & Banking details.exe
Size

307KB
MD5

b7da48db7a0e6e435e4b3bf5c2d17f6d
SHA1

fe98e3ac512441fa49833268753a517bfc712b35
SHA256

c4f6b7795e7c6267497a352a75628f59778b0345d719fb49eca4967a681b5728
SHA512

99e53ef8460ca9bdc46773bf9f0dc5b01d122b9ea253ce540a494a794c2727b4cd35d9822284b9bcafc135b9c6fe9e9833dda5368a4d784df23cfca215e8ceea
SSDEEP

6144:dDmad57Xe1l33j30xXoLT9Q5XFwWhNf6kV7qzjsw4IytBw5wk3:dKqXom5XF1hNf6a7lpxBvk3

Score

10^/10

formbook o11y rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

o11y

Decoy

bilenoer.online

1gocasino.click

bm9qn.top

wzefoy.com

5-minutemoney.com

tx5288.com

ssteaq.com

ztxsm2gxqvl.asia

familyfishing.world

moocytrading.com

dondebusques.com

dtservicesillinois.com

korpativnighs.com

resilientjoy.com

greensclps.com

actionkillsfear.com

siwu81.com

localorion.online

spoke99.com

taxinhanh24h.site

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
behavioral1/memory/2668-9-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2668-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2668-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2696-23-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/2696-25-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2932	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2660 set thread context of 2668	2660	Invoice & Banking details.exe	28
PID 2668 set thread context of 1260	2668	Invoice & Banking details.exe	13
PID 2668 set thread context of 1260	2668	Invoice & Banking details.exe	13
PID 2696 set thread context of 1260	2696	msdt.exe	13

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2668	Invoice & Banking details.exe
2668	Invoice & Banking details.exe
2668	Invoice & Banking details.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe
2696	msdt.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1260	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2668	Invoice & Banking details.exe
2668	Invoice & Banking details.exe
2668	Invoice & Banking details.exe
2668	Invoice & Banking details.exe
2696	msdt.exe
2696	msdt.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2668	Invoice & Banking details.exe
Token: SeDebugPrivilege	2696	msdt.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 2668	2660	Invoice & Banking details.exe	28
PID 2660 wrote to memory of 2668	2660	Invoice & Banking details.exe	28
PID 2660 wrote to memory of 2668	2660	Invoice & Banking details.exe	28
PID 2660 wrote to memory of 2668	2660	Invoice & Banking details.exe	28
PID 2660 wrote to memory of 2668	2660	Invoice & Banking details.exe	28
PID 2660 wrote to memory of 2668	2660	Invoice & Banking details.exe	28
PID 2660 wrote to memory of 2668	2660	Invoice & Banking details.exe	28
PID 1260 wrote to memory of 2696	1260	Explorer.EXE	29
PID 1260 wrote to memory of 2696	1260	Explorer.EXE	29
PID 1260 wrote to memory of 2696	1260	Explorer.EXE	29
PID 1260 wrote to memory of 2696	1260	Explorer.EXE	29
PID 2696 wrote to memory of 2932	2696	msdt.exe	30
PID 2696 wrote to memory of 2932	2696	msdt.exe	30
PID 2696 wrote to memory of 2932	2696	msdt.exe	30
PID 2696 wrote to memory of 2932	2696	msdt.exe	30

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1260
- C:\Users\Admin\AppData\Local\Temp\Invoice & Banking details.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice & Banking details.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2660
- - C:\Users\Admin\AppData\Local\Temp\Invoice & Banking details.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice & Banking details.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2668
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2696
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Invoice & Banking details.exe"
    3⤵
    - Deletes itself
    PID:2932

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1260-30-0x0000000007140000-0x000000000726F000-memory.dmp

Filesize
1.2MB

Download
memory/1260-16-0x0000000006A00000-0x0000000006B3A000-memory.dmp

Filesize
1.2MB

Download
memory/1260-15-0x00000000038F0000-0x00000000039F0000-memory.dmp

Filesize
1024KB

Download
memory/1260-20-0x00000000065B0000-0x0000000006665000-memory.dmp

Filesize
724KB

Download
memory/1260-27-0x0000000006A00000-0x0000000006B3A000-memory.dmp

Filesize
1.2MB

Download
memory/1260-35-0x0000000007140000-0x000000000726F000-memory.dmp

Filesize
1.2MB

Download
memory/1260-32-0x00000000065B0000-0x0000000006665000-memory.dmp

Filesize
724KB

Download
memory/1260-29-0x0000000000380000-0x0000000000480000-memory.dmp

Filesize
1024KB

Download
memory/1260-31-0x0000000007140000-0x000000000726F000-memory.dmp

Filesize
1.2MB

Download
memory/2660-3-0x00000000004E0000-0x0000000000520000-memory.dmp

Filesize
256KB

Download
memory/2660-10-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/2660-0-0x0000000001040000-0x0000000001094000-memory.dmp

Filesize
336KB

Download
memory/2660-4-0x0000000000360000-0x000000000036A000-memory.dmp

Filesize
40KB

Download
memory/2660-2-0x00000000002E0000-0x0000000000324000-memory.dmp

Filesize
272KB

Download
memory/2660-1-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/2668-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2668-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2668-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2668-5-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2668-19-0x00000000002E0000-0x00000000002F5000-memory.dmp

Filesize
84KB

Download
memory/2668-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2668-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2668-11-0x0000000000930000-0x0000000000C33000-memory.dmp

Filesize
3.0MB

Download
memory/2668-14-0x0000000000180000-0x0000000000195000-memory.dmp

Filesize
84KB

Download
memory/2696-22-0x00000000002F0000-0x00000000003E4000-memory.dmp

Filesize
976KB

Download
memory/2696-28-0x0000000002050000-0x00000000020E4000-memory.dmp

Filesize
592KB

Download
memory/2696-25-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2696-24-0x0000000002320000-0x0000000002623000-memory.dmp

Filesize
3.0MB

Download
memory/2696-23-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2696-21-0x00000000002F0000-0x00000000003E4000-memory.dmp

Filesize
976KB

Download

Analysis

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