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 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2176-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2176-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2884-26-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2032 set thread context of 2176	2032	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	33
PID 2176 set thread context of 1224	2176	RegSvcs.exe	21
PID 2884 set thread context of 1224	2884	wininit.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 4 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	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wininit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2796	schtasks.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
2176	RegSvcs.exe
2176	RegSvcs.exe
2884	wininit.exe
2884	wininit.exe
2884	wininit.exe
2884	wininit.exe
2884	wininit.exe
2884	wininit.exe
2884	wininit.exe
2884	wininit.exe
2884	wininit.exe
2884	wininit.exe
2884	wininit.exe
2884	wininit.exe
2884	wininit.exe
2884	wininit.exe
2884	wininit.exe
2884	wininit.exe
2884	wininit.exe
2884	wininit.exe
2884	wininit.exe
2884	wininit.exe
2884	wininit.exe
2884	wininit.exe
2884	wininit.exe
2884	wininit.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2176	RegSvcs.exe
2176	RegSvcs.exe
2176	RegSvcs.exe
2884	wininit.exe
2884	wininit.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2176	RegSvcs.exe
Token: SeDebugPrivilege	2884	wininit.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 2796	2032	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	31
PID 2032 wrote to memory of 2796	2032	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	31
PID 2032 wrote to memory of 2796	2032	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	31
PID 2032 wrote to memory of 2796	2032	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	31
PID 2032 wrote to memory of 2176	2032	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	33
PID 2032 wrote to memory of 2176	2032	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	33
PID 2032 wrote to memory of 2176	2032	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	33
PID 2032 wrote to memory of 2176	2032	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	33
PID 2032 wrote to memory of 2176	2032	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	33
PID 2032 wrote to memory of 2176	2032	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	33
PID 2032 wrote to memory of 2176	2032	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	33
PID 2032 wrote to memory of 2176	2032	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	33
PID 2032 wrote to memory of 2176	2032	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	33
PID 2032 wrote to memory of 2176	2032	898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe	33
PID 1224 wrote to memory of 2884	1224	Explorer.EXE	34
PID 1224 wrote to memory of 2884	1224	Explorer.EXE	34
PID 1224 wrote to memory of 2884	1224	Explorer.EXE	34
PID 1224 wrote to memory of 2884	1224	Explorer.EXE	34
PID 2884 wrote to memory of 2604	2884	wininit.exe	35
PID 2884 wrote to memory of 2604	2884	wininit.exe	35
PID 2884 wrote to memory of 2604	2884	wininit.exe	35
PID 2884 wrote to memory of 2604	2884	wininit.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1224
- C:\Users\Admin\AppData\Local\Temp\898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe
  "C:\Users\Admin\AppData\Local\Temp\898119779925cbf127343563ada43028f69dcc47b1a50a8ca5a8b1e5a48455ca.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2032
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UwhcoNQrvtG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFDCF.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2796
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2176
- C:\Windows\SysWOW64\wininit.exe
  "C:\Windows\SysWOW64\wininit.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:2884
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

System Information Discovery

1

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\tmpFDCF.tmp

Filesize
1KB

MD5
0d635574e873f104f41aa9d089d21cae

SHA1
a70912d8d9947e02ce76a6565c60c087fd03bfa5

SHA256
6e174f23a84b9a8f40eec43b93a4899da0343fa06ffa1b6a04bcb546ad09431c

SHA512
2f9cbeac0ff57cee442ed16e9442122586c6cc67ef6da6cbe2f4c36ccf8bbde4314399c64834954fbacfe5e457ed7efa02ed49462a9af30dec7b48a193dbc7a2

Download Submit
memory/1224-27-0x00000000068C0000-0x0000000006A0A000-memory.dmp

Filesize
1.3MB

Download
memory/1224-23-0x00000000068C0000-0x0000000006A0A000-memory.dmp

Filesize
1.3MB

Download
memory/1224-21-0x0000000000360000-0x0000000000460000-memory.dmp

Filesize
1024KB

Download
memory/2032-5-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2032-3-0x00000000004B0000-0x00000000004BA000-memory.dmp

Filesize
40KB

Download
memory/2032-6-0x0000000004F30000-0x0000000004FB6000-memory.dmp

Filesize
536KB

Download
memory/2032-7-0x00000000007C0000-0x00000000007F4000-memory.dmp

Filesize
208KB

Download
memory/2032-4-0x000000007408E000-0x000000007408F000-memory.dmp

Filesize
4KB

Download
memory/2032-0-0x000000007408E000-0x000000007408F000-memory.dmp

Filesize
4KB

Download
memory/2032-1-0x0000000000150000-0x0000000000262000-memory.dmp

Filesize
1.1MB

Download
memory/2032-2-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2032-22-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2176-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2176-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2176-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2176-20-0x0000000000190000-0x00000000001A5000-memory.dmp

Filesize
84KB

Download
memory/2176-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2176-17-0x0000000000A20000-0x0000000000D23000-memory.dmp

Filesize
3.0MB

Download
memory/2176-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2884-25-0x00000000000F0000-0x000000000010A000-memory.dmp

Filesize
104KB

Download
memory/2884-24-0x00000000000F0000-0x000000000010A000-memory.dmp

Filesize
104KB

Download
memory/2884-26-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads