formbook | 1e684cd8e57a1e1185115068a8c9924d94db3a644219f6a4b95f4ae3036542b0

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 2 IoCs

rat

resource	yara_rule
behavioral1/memory/4788-2035-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/4788-2038-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3056 set thread context of 4788	3056	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe	31
PID 4788 set thread context of 1120	4788	InstallUtil.exe	20

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4896	4852	WerFault.exe	32

System Location Discovery: System Language Discovery 1 TTPs 2 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	msiexec.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3056	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe
3056	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe
4788	InstallUtil.exe
4788	InstallUtil.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
4788	InstallUtil.exe
4788	InstallUtil.exe
4788	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	3056	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe
Token: SeDebugPrivilege	4788	InstallUtil.exe
Token: SeShutdownPrivilege	1120	Explorer.EXE
Token: SeShutdownPrivilege	1120	Explorer.EXE
Token: SeShutdownPrivilege	1120	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 4788	3056	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe	31
PID 3056 wrote to memory of 4788	3056	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe	31
PID 3056 wrote to memory of 4788	3056	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe	31
PID 3056 wrote to memory of 4788	3056	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe	31
PID 3056 wrote to memory of 4788	3056	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe	31
PID 3056 wrote to memory of 4788	3056	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe	31
PID 3056 wrote to memory of 4788	3056	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe	31
PID 3056 wrote to memory of 4788	3056	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe	31
PID 3056 wrote to memory of 4788	3056	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe	31
PID 3056 wrote to memory of 4788	3056	d29cda1e066eb7acae10ddc9c916d3b019aa55710197c58cf967d89db4d275b8.exe	31
PID 1120 wrote to memory of 4852	1120	Explorer.EXE	32
PID 1120 wrote to memory of 4852	1120	Explorer.EXE	32
PID 1120 wrote to memory of 4852	1120	Explorer.EXE	32
PID 1120 wrote to memory of 4852	1120	Explorer.EXE	32
PID 1120 wrote to memory of 4852	1120	Explorer.EXE	32
PID 1120 wrote to memory of 4852	1120	Explorer.EXE	32
PID 1120 wrote to memory of 4852	1120	Explorer.EXE	32
PID 4852 wrote to memory of 4896	4852	msiexec.exe	33
PID 4852 wrote to memory of 4896	4852	msiexec.exe	33
PID 4852 wrote to memory of 4896	4852	msiexec.exe	33
PID 4852 wrote to memory of 4896	4852	msiexec.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1120
- 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:3056
- - 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:4788
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4852
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 268
    3⤵
    - Program crash
    PID:4896

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/1120-2041-0x0000000004BD0000-0x0000000004CF4000-memory.dmp

Filesize
1.1MB

Download
memory/1120-2048-0x0000000004BD0000-0x0000000004CF4000-memory.dmp

Filesize
1.1MB

Download
memory/3056-40-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-14-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-4-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-42-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-24-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-26-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-38-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-36-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-34-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-32-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-30-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-28-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-22-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-20-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-18-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-44-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-12-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-10-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-8-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-6-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-1-0x0000000000AF0000-0x0000000000C00000-memory.dmp

Filesize
1.1MB

Download
memory/3056-3-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-16-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-46-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-48-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-50-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-60-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-58-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-56-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-62-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-54-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-52-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-64-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-66-0x0000000002000000-0x0000000002109000-memory.dmp

Filesize
1.0MB

Download
memory/3056-2027-0x0000000005110000-0x00000000051A2000-memory.dmp

Filesize
584KB

Download
memory/3056-2028-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download
memory/3056-0-0x000000007449E000-0x000000007449F000-memory.dmp

Filesize
4KB

Download
memory/3056-2034-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download
memory/3056-2-0x0000000002000000-0x0000000002110000-memory.dmp

Filesize
1.1MB

Download
memory/4788-2039-0x0000000000150000-0x0000000000164000-memory.dmp

Filesize
80KB

Download
memory/4788-2036-0x0000000000A60000-0x0000000000D63000-memory.dmp

Filesize
3.0MB

Download
memory/4788-2035-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4788-2038-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download