formbook | 36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965

General

Target

Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe
Size

817KB
MD5

1edee1c73023c587df17c0809109e1e3
SHA1

d159ab5348cd9df33877f91190057abaff01dee8
SHA256

36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965
SHA512

aabcf10c21a336861eb2cb69c545ae6a70ed73d23fd5a7af74a8ededca7eba01b80395a375465bc1ca1c2286c54b68fb2af74336b324fb3f1113d6da57927740
SSDEEP

24576:IzZx2I6l5CiXV0eFxiuUcWpkBW3KieLn:o2IclXSeFvF7BwzeLn

Score

10^/10

formbook 3nop discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

3nop

Decoy

subur88wap.sbs

tyai1.top

skillbeast.site

kcclassiccars.net

lghomes.net

eijanno.cyou

work-in-usa-60100.bond

268chill.store

bharatwin.biz

cakjitu01.xyz

misafert.xyz

hiretemp.net

lvekz-onearmed.top

amanda-manopo.info

seo-companies22.online

casinowalletth.net

maynrson.monster

bewizi.com

thedronetechhub.shop

car-insurance-93947.bond

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/480-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1480-23-0x0000000000100000-0x000000000012F000-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
2868	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2912 set thread context of 480	2912	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	34
PID 480 set thread context of 1200	480	RegSvcs.exe	21
PID 1480 set thread context of 1200	1480	svchost.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 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2152	schtasks.exe

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
2912	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe
2868	powershell.exe
2912	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe
2912	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe
2912	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe
480	RegSvcs.exe
480	RegSvcs.exe
1480	svchost.exe
1480	svchost.exe
1480	svchost.exe
1480	svchost.exe
1480	svchost.exe
1480	svchost.exe
1480	svchost.exe
1480	svchost.exe
1480	svchost.exe
1480	svchost.exe
1480	svchost.exe
1480	svchost.exe
1480	svchost.exe
1480	svchost.exe
1480	svchost.exe
1480	svchost.exe
1480	svchost.exe
1480	svchost.exe
1480	svchost.exe
1480	svchost.exe
1480	svchost.exe
1480	svchost.exe
1480	svchost.exe
1480	svchost.exe
1480	svchost.exe
1480	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
480	RegSvcs.exe
480	RegSvcs.exe
480	RegSvcs.exe
1480	svchost.exe
1480	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2912	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe
Token: SeDebugPrivilege	2868	powershell.exe
Token: SeDebugPrivilege	480	RegSvcs.exe
Token: SeDebugPrivilege	1480	svchost.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2912 wrote to memory of 2868	2912	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	30
PID 2912 wrote to memory of 2868	2912	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	30
PID 2912 wrote to memory of 2868	2912	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	30
PID 2912 wrote to memory of 2868	2912	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	30
PID 2912 wrote to memory of 2152	2912	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	32
PID 2912 wrote to memory of 2152	2912	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	32
PID 2912 wrote to memory of 2152	2912	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	32
PID 2912 wrote to memory of 2152	2912	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	32
PID 2912 wrote to memory of 480	2912	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	34
PID 2912 wrote to memory of 480	2912	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	34
PID 2912 wrote to memory of 480	2912	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	34
PID 2912 wrote to memory of 480	2912	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	34
PID 2912 wrote to memory of 480	2912	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	34
PID 2912 wrote to memory of 480	2912	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	34
PID 2912 wrote to memory of 480	2912	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	34
PID 2912 wrote to memory of 480	2912	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	34
PID 2912 wrote to memory of 480	2912	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	34
PID 2912 wrote to memory of 480	2912	Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	34
PID 1200 wrote to memory of 1480	1200	Explorer.EXE	35
PID 1200 wrote to memory of 1480	1200	Explorer.EXE	35
PID 1200 wrote to memory of 1480	1200	Explorer.EXE	35
PID 1200 wrote to memory of 1480	1200	Explorer.EXE	35
PID 1480 wrote to memory of 2064	1480	svchost.exe	36
PID 1480 wrote to memory of 2064	1480	svchost.exe	36
PID 1480 wrote to memory of 2064	1480	svchost.exe	36
PID 1480 wrote to memory of 2064	1480	svchost.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe
  "C:\Users\Admin\AppData\Local\Temp\Sigmanly_36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2912
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dDxuOoTjp.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2868
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dDxuOoTjp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB847.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2152
- - 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:480
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.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:1480
- - 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:2064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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\tmpB847.tmp

Filesize
1KB

MD5
7496cdd0ac1d2b7dc2f886cc80a3ddc5

SHA1
e1b6575975fcec3dbfb004b0775bf3693a7ca18b

SHA256
1024ad71a399575040c47346f3b7d57718b5d7ae38b9ae4bfcc2f02b82388709

SHA512
65b2084efac59cd416e3666f837a67541147a70d9142158b3e4715e17034adfb49b1b62d0dd45abd0ccbfba83cadef0ecfa70ccce967e59641b37168a60579f7

Download Submit
memory/480-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/480-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/480-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/480-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1200-27-0x0000000004410000-0x00000000044AA000-memory.dmp

Filesize
616KB

Download
memory/1480-23-0x0000000000100000-0x000000000012F000-memory.dmp

Filesize
188KB

Download
memory/1480-22-0x0000000000BE0000-0x0000000000BE8000-memory.dmp

Filesize
32KB

Download
memory/2912-4-0x0000000073C3E000-0x0000000073C3F000-memory.dmp

Filesize
4KB

Download
memory/2912-6-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2912-5-0x0000000073C30000-0x000000007431E000-memory.dmp

Filesize
6.9MB

Download
memory/2912-0-0x0000000073C3E000-0x0000000073C3F000-memory.dmp

Filesize
4KB

Download
memory/2912-20-0x0000000073C30000-0x000000007431E000-memory.dmp

Filesize
6.9MB

Download
memory/2912-3-0x0000000000500000-0x000000000051E000-memory.dmp

Filesize
120KB

Download
memory/2912-2-0x0000000073C30000-0x000000007431E000-memory.dmp

Filesize
6.9MB

Download
memory/2912-1-0x0000000000320000-0x00000000003F2000-memory.dmp

Filesize
840KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads