formbook | 464365a04b73faf53f77ff0a3c4556108e362edf46282f2c36e6718cf8186aec

Analysis

max time kernel
147s
max time network
123s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
01-09-2024 07:52

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General

Target

f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d.exe
Size

457KB
MD5

54ef2f2acdf62dfb40fc32aab1f46307
SHA1

3f3640685b7af5b52a13d49cfd1cf5364114e317
SHA256

f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d
SHA512

3ee12f2d99ce1ce272f99b7e190694f52aaf68bb2267f53efb6073d79100a3d127ad841bd9324d675af527e06bb9c56218ff1e91dfb644af1d21042cf049ff03
SSDEEP

6144:MqTi59VJdaD70ylbBTpVg8DPmgQhSdj/4KngWIq6jRk+j:MGin670yTTpVg8CgcSKKngWIjX

Score

10^/10

formbook h37 discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

h37

Decoy

misfitsbarandgrill.com

pijpsletjes.com

practiman.com

trailersgeek.online

greathappiness.faith

solderisland.com

kk5299.com

nani21.com

sharpactinvest.com

meteocockpit.com

provisionswpgroup.com

theplaze.net

westaustralian.ninja

freetrafficupgradingall.win

paraisocalafate.com

nelps.com

buywatch.win

sgfmim.site

mexicotradicional.com

moving411.biz

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/1068-14-0x0000000000080000-0x00000000000AA000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

pid	Process
2684	app.exe
1068	app.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Libraries\\app.exe -boot"	app.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2684 set thread context of 1068	2684	app.exe	36
PID 1068 set thread context of 1256	1068	app.exe	21
PID 1912 set thread context of 1256	1912	wuapp.exe	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	app.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuapp.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1068	app.exe
1068	app.exe
1912	wuapp.exe
1912	wuapp.exe
1912	wuapp.exe
1912	wuapp.exe
1912	wuapp.exe
1912	wuapp.exe
1912	wuapp.exe
1912	wuapp.exe
1912	wuapp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1068	app.exe
1068	app.exe
1068	app.exe
1912	wuapp.exe
1912	wuapp.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2292	f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d.exe
Token: SeDebugPrivilege	2684	app.exe
Token: SeDebugPrivilege	1068	app.exe
Token: SeDebugPrivilege	1912	wuapp.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2784	2292	f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d.exe	31
PID 2292 wrote to memory of 2784	2292	f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d.exe	31
PID 2292 wrote to memory of 2784	2292	f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d.exe	31
PID 2292 wrote to memory of 2784	2292	f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d.exe	31
PID 2292 wrote to memory of 2680	2292	f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d.exe	33
PID 2292 wrote to memory of 2680	2292	f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d.exe	33
PID 2292 wrote to memory of 2680	2292	f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d.exe	33
PID 2292 wrote to memory of 2680	2292	f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d.exe	33
PID 2524 wrote to memory of 2684	2524	explorer.exe	35
PID 2524 wrote to memory of 2684	2524	explorer.exe	35
PID 2524 wrote to memory of 2684	2524	explorer.exe	35
PID 2524 wrote to memory of 2684	2524	explorer.exe	35
PID 2684 wrote to memory of 1068	2684	app.exe	36
PID 2684 wrote to memory of 1068	2684	app.exe	36
PID 2684 wrote to memory of 1068	2684	app.exe	36
PID 2684 wrote to memory of 1068	2684	app.exe	36
PID 2684 wrote to memory of 1068	2684	app.exe	36
PID 2684 wrote to memory of 1068	2684	app.exe	36
PID 2684 wrote to memory of 1068	2684	app.exe	36
PID 1256 wrote to memory of 1912	1256	Explorer.EXE	37
PID 1256 wrote to memory of 1912	1256	Explorer.EXE	37
PID 1256 wrote to memory of 1912	1256	Explorer.EXE	37
PID 1256 wrote to memory of 1912	1256	Explorer.EXE	37
PID 1256 wrote to memory of 1912	1256	Explorer.EXE	37
PID 1256 wrote to memory of 1912	1256	Explorer.EXE	37
PID 1256 wrote to memory of 1912	1256	Explorer.EXE	37
PID 1912 wrote to memory of 1096	1912	wuapp.exe	38
PID 1912 wrote to memory of 1096	1912	wuapp.exe	38
PID 1912 wrote to memory of 1096	1912	wuapp.exe	38
PID 1912 wrote to memory of 1096	1912	wuapp.exe	38

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1256
- C:\Users\Admin\AppData\Local\Temp\f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d.exe
  "C:\Users\Admin\AppData\Local\Temp\f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2292
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\app.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2784
- - C:\Windows\SysWOW64\explorer.exe
    "C:\Windows\System32\explorer.exe" /c, "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\app.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2680
- C:\Windows\SysWOW64\wuapp.exe
  "C:\Windows\SysWOW64\wuapp.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:1912
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\app.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1096

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\app.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\app.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2684
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\app.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\app.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Libraries\app.exe

Filesize
457KB

MD5
54ef2f2acdf62dfb40fc32aab1f46307

SHA1
3f3640685b7af5b52a13d49cfd1cf5364114e317

SHA256
f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d

SHA512
3ee12f2d99ce1ce272f99b7e190694f52aaf68bb2267f53efb6073d79100a3d127ad841bd9324d675af527e06bb9c56218ff1e91dfb644af1d21042cf049ff03

Download Submit
memory/1068-14-0x0000000000080000-0x00000000000AA000-memory.dmp

Filesize
168KB

Download
memory/1256-16-0x00000000039B0000-0x0000000003AB0000-memory.dmp

Filesize
1024KB

Download
memory/1912-17-0x0000000000D70000-0x0000000000D7B000-memory.dmp

Filesize
44KB

Download
memory/2292-0-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download
memory/2292-1-0x0000000000110000-0x0000000000188000-memory.dmp

Filesize
480KB

Download
memory/2292-2-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2292-3-0x0000000000830000-0x0000000000850000-memory.dmp

Filesize
128KB

Download
memory/2292-4-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download
memory/2292-5-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2292-8-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2684-11-0x0000000000270000-0x00000000002E8000-memory.dmp

Filesize
480KB

Download