formbook | 1e684cd8e57a1e1185115068a8c9924d94db3a644219f6a4b95f4ae3036542b0

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2024 09:24

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General

Target

d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe
Size

1.0MB
MD5

a5bfded33b102cad8a69dbe56f3beb1f
SHA1

17ff6f9cd309ae33eb6e38cec0b86cdf37245e6a
SHA256

d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8
SHA512

47734a212c4c1aee436b0300e351560b6f01ba2426d06800056e16dcec81d2a46be38e2299c3d778cc7bc3399051645ccbbea42599efffea7376f7ae055a8b65
SSDEEP

24576:1ctcno/vKeX2U5x2wweb8MONmRHNHF8d4joTT+M694rjtpv6D:iS8HXZx2wwetNgNT+M6o3vW

Score

10^/10

formbook sn31 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

sn31

Decoy

matsuomatsuo.com

104wn.com

bolacorner.com

dawonderer.com

yourpamlano.xyz

mtzmx.icu

lepakzaparket.com

barmagli.com

danta.ltd

marumaru240.com

people-centeredhr.com

test-brew-inc.com

clairvoyantbusinesscoach.com

aforeignexchangeblog.com

erentekbilisim.com

gangqinqu123.net

defiguaranteebonds.com

thegioigaubong97.site

vaoiwin.info

vcwholeness.com

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/3216-2033-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3216-2037-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3216-2041-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2528 set thread context of 3216	2528	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe	82
PID 3216 set thread context of 3456	3216	InstallUtil.exe	56
PID 3216 set thread context of 3456	3216	InstallUtil.exe	56
PID 4620 set thread context of 3456	4620	netsh.exe	56

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	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
2528	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe
2528	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe
3216	InstallUtil.exe
3216	InstallUtil.exe
3216	InstallUtil.exe
3216	InstallUtil.exe
3216	InstallUtil.exe
3216	InstallUtil.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe
4620	netsh.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3216	InstallUtil.exe
3216	InstallUtil.exe
3216	InstallUtil.exe
3216	InstallUtil.exe
4620	netsh.exe
4620	netsh.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2528	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe
Token: SeDebugPrivilege	3216	InstallUtil.exe
Token: SeDebugPrivilege	4620	netsh.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 3216	2528	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe	82
PID 2528 wrote to memory of 3216	2528	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe	82
PID 2528 wrote to memory of 3216	2528	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe	82
PID 2528 wrote to memory of 3216	2528	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe	82
PID 2528 wrote to memory of 3216	2528	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe	82
PID 2528 wrote to memory of 3216	2528	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe	82
PID 3456 wrote to memory of 4620	3456	Explorer.EXE	88
PID 3456 wrote to memory of 4620	3456	Explorer.EXE	88
PID 3456 wrote to memory of 4620	3456	Explorer.EXE	88
PID 4620 wrote to memory of 3048	4620	netsh.exe	91
PID 4620 wrote to memory of 3048	4620	netsh.exe	91
PID 4620 wrote to memory of 3048	4620	netsh.exe	91

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3456
- C:\Users\Admin\AppData\Local\Temp\d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe
  "C:\Users\Admin\AppData\Local\Temp\d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3216
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\SysWOW64\netsh.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:4620
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2528-0-0x00000000748AE000-0x00000000748AF000-memory.dmp

Filesize
4KB

Download
memory/2528-1-0x0000000000090000-0x00000000001A0000-memory.dmp

Filesize
1.1MB

Download
memory/2528-2-0x0000000004970000-0x0000000004A80000-memory.dmp

Filesize
1.1MB

Download
memory/2528-44-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-46-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-66-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-64-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-62-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-60-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-58-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-56-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-54-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-52-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-50-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-42-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-40-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-38-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-36-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-32-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-30-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-28-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-26-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-24-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-21-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-19-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-14-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-12-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-4-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-48-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-34-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-22-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-16-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-10-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-9-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-6-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-3-0x0000000004970000-0x0000000004A79000-memory.dmp

Filesize
1.0MB

Download
memory/2528-2027-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/2528-2028-0x0000000004D20000-0x0000000004DB2000-memory.dmp

Filesize
584KB

Download
memory/2528-2029-0x0000000004CC0000-0x0000000004CE2000-memory.dmp

Filesize
136KB

Download
memory/2528-2030-0x0000000004DB0000-0x0000000005104000-memory.dmp

Filesize
3.3MB

Download
memory/2528-2034-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/3216-2033-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3216-2035-0x0000000001110000-0x000000000145A000-memory.dmp

Filesize
3.3MB

Download
memory/3216-2038-0x0000000000C80000-0x0000000000C94000-memory.dmp

Filesize
80KB

Download
memory/3216-2037-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3216-2042-0x00000000010C0000-0x00000000010D4000-memory.dmp

Filesize
80KB

Download
memory/3216-2041-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3456-2039-0x0000000008020000-0x00000000080E5000-memory.dmp

Filesize
788KB

Download
memory/3456-2043-0x0000000008190000-0x00000000082AB000-memory.dmp

Filesize
1.1MB

Download
memory/3456-2049-0x0000000008190000-0x00000000082AB000-memory.dmp

Filesize
1.1MB

Download
memory/3456-2052-0x0000000008530000-0x00000000086AA000-memory.dmp

Filesize
1.5MB

Download
memory/3456-2055-0x0000000008530000-0x00000000086AA000-memory.dmp

Filesize
1.5MB

Download
memory/4620-2047-0x0000000001570000-0x000000000158E000-memory.dmp

Filesize
120KB

Download