formbook | 4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe

General

Target

4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe.exe
Size

691KB
MD5

911975bbf09185224dcc9ac41aef0d79
SHA1

30b45461b02c47202d3e53d422e6dd2a03f9a784
SHA256

4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe
SHA512

d889be596835c6a8fb22e7a753ff744f94201d83b2a712ea576edc9f151f225ea9125cbcb7a7f0df122a78dd152271490a96a6aab0bbd1c4e3ed602d21c4d30e
SSDEEP

12288:PUx1UoIG5MPUYjD8mMj0z4vjIvlna0QDL2kq/wkQsu1FJeBsHvM7Sd2AN89kR:EUobyZH8K1wfGkqCsujJdHvMK8g

Score

10^/10

formbook m49z discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m49z

Decoy

ormswarm.xyz

awn-care-63587.bond

uymetanail5.online

mergencyloan007.xyz

545.top

eiliao596.pro

ackersandmoverschennai.net

ehdiahmadvandmusicbest.click

tlgxmb2024.cloud

ulfcoastharborhopper.pro

rohns-disease-early-signs.today

oldenhorizonsbgcl.click

weetindulgencepro.xyz

yexoiup.xyz

yself-solar.net

kfirsatimla.online

bropub3.online

ouljourney.online

usvf76f.shop

onnaberich.online

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/3008-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3008-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2732-23-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2528	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1676 set thread context of 3008	1676	4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe.exe	33
PID 3008 set thread context of 1200	3008	RegSvcs.exe	21
PID 2732 set thread context of 1200	2732	NETSTAT.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	4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2732	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
3008	RegSvcs.exe
3008	RegSvcs.exe
2528	powershell.exe
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE
2732	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3008	RegSvcs.exe
3008	RegSvcs.exe
3008	RegSvcs.exe
2732	NETSTAT.EXE
2732	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3008	RegSvcs.exe
Token: SeDebugPrivilege	2528	powershell.exe
Token: SeDebugPrivilege	2732	NETSTAT.EXE

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1676 wrote to memory of 2528	1676	4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe.exe	31
PID 1676 wrote to memory of 2528	1676	4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe.exe	31
PID 1676 wrote to memory of 2528	1676	4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe.exe	31
PID 1676 wrote to memory of 2528	1676	4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe.exe	31
PID 1676 wrote to memory of 3008	1676	4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe.exe	33
PID 1676 wrote to memory of 3008	1676	4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe.exe	33
PID 1676 wrote to memory of 3008	1676	4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe.exe	33
PID 1676 wrote to memory of 3008	1676	4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe.exe	33
PID 1676 wrote to memory of 3008	1676	4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe.exe	33
PID 1676 wrote to memory of 3008	1676	4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe.exe	33
PID 1676 wrote to memory of 3008	1676	4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe.exe	33
PID 1676 wrote to memory of 3008	1676	4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe.exe	33
PID 1676 wrote to memory of 3008	1676	4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe.exe	33
PID 1676 wrote to memory of 3008	1676	4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe.exe	33
PID 1200 wrote to memory of 2732	1200	Explorer.EXE	34
PID 1200 wrote to memory of 2732	1200	Explorer.EXE	34
PID 1200 wrote to memory of 2732	1200	Explorer.EXE	34
PID 1200 wrote to memory of 2732	1200	Explorer.EXE	34
PID 2732 wrote to memory of 2112	2732	NETSTAT.EXE	35
PID 2732 wrote to memory of 2112	2732	NETSTAT.EXE	35
PID 2732 wrote to memory of 2112	2732	NETSTAT.EXE	35
PID 2732 wrote to memory of 2112	2732	NETSTAT.EXE	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe.exe
  "C:\Users\Admin\AppData\Local\Temp\4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1676
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\4a16f87ede74f8f5cf4af54e78a69380979b1147a8302cd371d50947c4a0f0fe.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2528
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3008
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - 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:2732
- - 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:2112

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1200-17-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1200-25-0x0000000004ED0000-0x0000000004F8E000-memory.dmp

Filesize
760KB

Download
memory/1200-18-0x0000000004ED0000-0x0000000004F8E000-memory.dmp

Filesize
760KB

Download
memory/1676-5-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/1676-21-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/1676-0-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/1676-6-0x0000000005750000-0x00000000057C6000-memory.dmp

Filesize
472KB

Download
memory/1676-1-0x0000000001320000-0x00000000013D0000-memory.dmp

Filesize
704KB

Download
memory/1676-3-0x0000000000730000-0x0000000000748000-memory.dmp

Filesize
96KB

Download
memory/1676-4-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/1676-2-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/2732-22-0x0000000000910000-0x0000000000919000-memory.dmp

Filesize
36KB

Download
memory/2732-23-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/3008-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3008-13-0x0000000000920000-0x0000000000C23000-memory.dmp

Filesize
3.0MB

Download
memory/3008-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3008-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3008-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3008-16-0x00000000001E0000-0x00000000001F4000-memory.dmp

Filesize
80KB

Download
memory/3008-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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