formbook | 75add202d0520f348bc4a422dd1969c9a3fe0e6162379618520f6aec3930321f

General

Target

898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe
Size

1.0MB
MD5

ac2855184f7d04050f0eda9b69ab3e44
SHA1

073c2d08b6e2816dce26c0684faaf632193dab7c
SHA256

898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca
SHA512

f2142500b6e1966d739373c0abd5734eb4df749be8f3b12cd90f32631602c78e803a7b19995c8ea0156f9979ae60bde42a96d61c3ee0b515c931e26a5271f54e
SSDEEP

12288:/WHMZAWd1lcAWd1lGGDbTKTxnnaAym1pj+INy/FYJR/A/259nqgxiaUc8+bCfeKs:AIFqF81bpc/6Yu5WwqQ

Score

10^/10

formbook m21d discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m21d

Decoy

ffewv.com

romarg.investments

icoproject.net

syrexol24.xyz

tyxa0.xyz

worktime.website

oilysquat.sbs

hainihaoxx.top

apimarts.com

agorainvestmentscc.com

happyhorsegear.com

373145.uk

3commerce.net

2561havensdr.info

thesolosearcher.com

gwo888.com

luxefofriend.site

ascendarrays.com

diorbear.com

newsforthecolumbiagorge.net

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/816-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/816-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/816-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/464-31-0x0000000001000000-0x000000000102F000-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4080 set thread context of 816	4080	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	91
PID 816 set thread context of 3444	816	RegSvcs.exe	56
PID 816 set thread context of 3444	816	RegSvcs.exe	56
PID 464 set thread context of 3444	464	NETSTAT.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 5 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
464	NETSTAT.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
628	schtasks.exe

Suspicious behavior: EnumeratesProcesses 51 IoCs

pid	Process
4080	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe
816	RegSvcs.exe
816	RegSvcs.exe
816	RegSvcs.exe
816	RegSvcs.exe
816	RegSvcs.exe
816	RegSvcs.exe
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE
464	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
816	RegSvcs.exe
816	RegSvcs.exe
816	RegSvcs.exe
816	RegSvcs.exe
464	NETSTAT.EXE
464	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4080	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe
Token: SeDebugPrivilege	816	RegSvcs.exe
Token: SeDebugPrivilege	464	NETSTAT.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4080 wrote to memory of 628	4080	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	89
PID 4080 wrote to memory of 628	4080	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	89
PID 4080 wrote to memory of 628	4080	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	89
PID 4080 wrote to memory of 816	4080	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	91
PID 4080 wrote to memory of 816	4080	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	91
PID 4080 wrote to memory of 816	4080	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	91
PID 4080 wrote to memory of 816	4080	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	91
PID 4080 wrote to memory of 816	4080	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	91
PID 4080 wrote to memory of 816	4080	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	91
PID 816 wrote to memory of 464	816	RegSvcs.exe	101
PID 816 wrote to memory of 464	816	RegSvcs.exe	101
PID 816 wrote to memory of 464	816	RegSvcs.exe	101
PID 464 wrote to memory of 2880	464	NETSTAT.EXE	102
PID 464 wrote to memory of 2880	464	NETSTAT.EXE	102
PID 464 wrote to memory of 2880	464	NETSTAT.EXE	102

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3444
- C:\Users\Admin\AppData\Local\Temp\898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe
  "C:\Users\Admin\AppData\Local\Temp\898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4080
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UwhcoNQrvtG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDC85.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:628
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "{path}"
    3⤵
    - 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:816
  - - C:\Windows\SysWOW64\NETSTAT.EXE
      "C:\Windows\SysWOW64\NETSTAT.EXE"
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Gathers network information
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:464
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2880
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2580
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1376
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:552
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1652
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1244
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:4240
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:4220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

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\Local\Temp\tmpDC85.tmp

Filesize
1KB

MD5
807ab98d282f52df74db88b0d218d3ac

SHA1
50c175605b6e68452db52dea7869f5ed7487b48c

SHA256
f2758090dc5bed5cf940ee67af2a81e6a0ad7066fc3ea5316fd691fd5e7f0665

SHA512
3ad6a237e61372215f588252fd8145a861aeb8c80bddac4660911e357b60267d41b1956b954595d03fed02b5ab2a5b7ef62312f8086059fe5669cd8e194c1202

Download Submit
memory/464-31-0x0000000001000000-0x000000000102F000-memory.dmp

Filesize
188KB

Download
memory/464-29-0x00000000004B0000-0x00000000004BB000-memory.dmp

Filesize
44KB

Download
memory/464-28-0x00000000004B0000-0x00000000004BB000-memory.dmp

Filesize
44KB

Download
memory/816-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/816-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/816-25-0x0000000001470000-0x0000000001485000-memory.dmp

Filesize
84KB

Download
memory/816-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/816-18-0x0000000000F90000-0x00000000012DA000-memory.dmp

Filesize
3.3MB

Download
memory/816-21-0x0000000000F30000-0x0000000000F45000-memory.dmp

Filesize
84KB

Download
memory/3444-26-0x0000000008440000-0x00000000085E0000-memory.dmp

Filesize
1.6MB

Download
memory/3444-35-0x0000000008B90000-0x0000000008CF8000-memory.dmp

Filesize
1.4MB

Download
memory/3444-34-0x0000000008B90000-0x0000000008CF8000-memory.dmp

Filesize
1.4MB

Download
memory/3444-30-0x0000000008440000-0x00000000085E0000-memory.dmp

Filesize
1.6MB

Download
memory/3444-27-0x0000000002790000-0x00000000028F6000-memory.dmp

Filesize
1.4MB

Download
memory/3444-37-0x0000000008B90000-0x0000000008CF8000-memory.dmp

Filesize
1.4MB

Download
memory/3444-22-0x0000000002790000-0x00000000028F6000-memory.dmp

Filesize
1.4MB

Download
memory/4080-7-0x00000000058F0000-0x00000000058FA000-memory.dmp

Filesize
40KB

Download
memory/4080-17-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/4080-11-0x0000000009AF0000-0x0000000009B24000-memory.dmp

Filesize
208KB

Download
memory/4080-10-0x00000000075B0000-0x0000000007636000-memory.dmp

Filesize
536KB

Download
memory/4080-9-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/4080-8-0x0000000074DFE000-0x0000000074DFF000-memory.dmp

Filesize
4KB

Download
memory/4080-0-0x0000000074DFE000-0x0000000074DFF000-memory.dmp

Filesize
4KB

Download
memory/4080-6-0x0000000005260000-0x000000000526A000-memory.dmp

Filesize
40KB

Download
memory/4080-5-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/4080-4-0x0000000005360000-0x00000000053FC000-memory.dmp

Filesize
624KB

Download
memory/4080-3-0x0000000005270000-0x0000000005302000-memory.dmp

Filesize
584KB

Download
memory/4080-2-0x0000000005910000-0x0000000005EB4000-memory.dmp

Filesize
5.6MB

Download
memory/4080-1-0x0000000000750000-0x0000000000862000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads