formbook | 464365a04b73faf53f77ff0a3c4556108e362edf46282f2c36e6718cf8186aec

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
behavioral2/memory/3836-15-0x0000000000400000-0x000000000042A000-memory.dmp	formbook

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d.exe

Executes dropped EXE 2 IoCs

pid	Process
2128	app.exe
3836	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-1-5-21-786284298-625481688-3210388970-1000\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 2128 set thread context of 3836	2128	app.exe	104
PID 3836 set thread context of 3396	3836	app.exe	56
PID 3040 set thread context of 3396	3040	rundll32.exe	56

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 7 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	app.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
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

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
3836	app.exe
3836	app.exe
3836	app.exe
3836	app.exe
3040	rundll32.exe
3040	rundll32.exe
3040	rundll32.exe
3040	rundll32.exe
3040	rundll32.exe
3040	rundll32.exe
3040	rundll32.exe
3040	rundll32.exe
3040	rundll32.exe
3040	rundll32.exe
3040	rundll32.exe
3040	rundll32.exe
3040	rundll32.exe
3040	rundll32.exe
3040	rundll32.exe
3040	rundll32.exe
3040	rundll32.exe
3040	rundll32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3836	app.exe
3836	app.exe
3836	app.exe
3040	rundll32.exe
3040	rundll32.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeDebugPrivilege	3276	f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d.exe
Token: SeDebugPrivilege	2128	app.exe
Token: SeDebugPrivilege	3836	app.exe
Token: SeDebugPrivilege	3040	rundll32.exe
Token: SeShutdownPrivilege	3396	Explorer.EXE
Token: SeCreatePagefilePrivilege	3396	Explorer.EXE
Token: SeShutdownPrivilege	3396	Explorer.EXE
Token: SeCreatePagefilePrivilege	3396	Explorer.EXE
Token: SeShutdownPrivilege	3396	Explorer.EXE
Token: SeCreatePagefilePrivilege	3396	Explorer.EXE
Token: SeShutdownPrivilege	3396	Explorer.EXE
Token: SeCreatePagefilePrivilege	3396	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3396	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3276 wrote to memory of 4376	3276	f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d.exe	94
PID 3276 wrote to memory of 4376	3276	f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d.exe	94
PID 3276 wrote to memory of 4376	3276	f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d.exe	94
PID 3276 wrote to memory of 4704	3276	f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d.exe	99
PID 3276 wrote to memory of 4704	3276	f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d.exe	99
PID 3276 wrote to memory of 4704	3276	f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d.exe	99
PID 3032 wrote to memory of 2128	3032	explorer.exe	101
PID 3032 wrote to memory of 2128	3032	explorer.exe	101
PID 3032 wrote to memory of 2128	3032	explorer.exe	101
PID 2128 wrote to memory of 3836	2128	app.exe	104
PID 2128 wrote to memory of 3836	2128	app.exe	104
PID 2128 wrote to memory of 3836	2128	app.exe	104
PID 2128 wrote to memory of 3836	2128	app.exe	104
PID 2128 wrote to memory of 3836	2128	app.exe	104
PID 2128 wrote to memory of 3836	2128	app.exe	104
PID 3396 wrote to memory of 3040	3396	Explorer.EXE	105
PID 3396 wrote to memory of 3040	3396	Explorer.EXE	105
PID 3396 wrote to memory of 3040	3396	Explorer.EXE	105
PID 3040 wrote to memory of 1088	3040	rundll32.exe	110
PID 3040 wrote to memory of 1088	3040	rundll32.exe	110
PID 3040 wrote to memory of 1088	3040	rundll32.exe	110

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3396
- C:\Users\Admin\AppData\Local\Temp\f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d.exe
  "C:\Users\Admin\AppData\Local\Temp\f384ded729fd7bf92383bf1ee12b4e3da92fbb01ef0e9d84bf439ba70525210d.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3276
- - 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:4376
- - 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:4704
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.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:3040
- - 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:1088

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Suspicious use of WriteProcessMemory
PID:3032
- 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:2128
- - 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
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

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/2128-14-0x0000000006330000-0x00000000063CC000-memory.dmp

Filesize
624KB

Download
memory/3040-20-0x0000000000AB0000-0x0000000000AC4000-memory.dmp

Filesize
80KB

Download
memory/3040-19-0x0000000000AB0000-0x0000000000AC4000-memory.dmp

Filesize
80KB

Download
memory/3276-3-0x0000000005910000-0x00000000059A2000-memory.dmp

Filesize
584KB

Download
memory/3276-5-0x0000000005800000-0x0000000005820000-memory.dmp

Filesize
128KB

Download
memory/3276-6-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/3276-7-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/3276-11-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/3276-4-0x0000000074910000-0x00000000750C0000-memory.dmp

Filesize
7.7MB

Download
memory/3276-0-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/3276-2-0x0000000005E20000-0x00000000063C4000-memory.dmp

Filesize
5.6MB

Download
memory/3276-1-0x0000000000E10000-0x0000000000E88000-memory.dmp

Filesize
480KB

Download
memory/3396-22-0x0000000009380000-0x000000000942D000-memory.dmp

Filesize
692KB

Download
memory/3836-15-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads