formbook | dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df

General

Target

dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe
Size

615KB
MD5

aa048662e898d09b2750d26976394cad
SHA1

09be080dc73fcf0e867cbf9bd11d9cdaee5516ed
SHA256

dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df
SHA512

0f60b5e2a333491b21a5fb1bc35dbcd2a2929b20a1de7cc7a5a8b883488096ced44dde65a129e90bbec17d889a977373ba8af62218cabaa9c101fd1844cacbd0
SSDEEP

12288:zBYOpnAArPLoeKWt4hUQ3VGv5tkLKUVnE6K9D9xwtkTRz1q007it83ljOMU:zBTaArzrSxqlppc+zq007it83VK

Score

10^/10

formbook ss24 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ss24

Decoy

agingwellhc.com

unikbetanggur.autos

eb2024yl.top

ja380.xyz

thehalcyon.studio

maudsoogrim.com

esteler10.click

mewtcp.xyz

www-zjbf1.club

kucinglucu.online

lunwencheck.com

65597.photos

erbxeu358h.top

startable.online

yousend.xyz

csharksg.com

centricoatings.com

ntruhslearn.xyz

achabakra.xyz

zuntool.com

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
behavioral1/memory/2932-11-0x0000000000400000-0x000000000042F000-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
2968	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1760 set thread context of 2932	1760	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe	31

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 2 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	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1760	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe
2932	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe
1760	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe
2968	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1760	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe
Token: SeDebugPrivilege	2968	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 2968	1760	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe	30
PID 1760 wrote to memory of 2968	1760	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe	30
PID 1760 wrote to memory of 2968	1760	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe	30
PID 1760 wrote to memory of 2968	1760	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe	30
PID 1760 wrote to memory of 2932	1760	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe	31
PID 1760 wrote to memory of 2932	1760	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe	31
PID 1760 wrote to memory of 2932	1760	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe	31
PID 1760 wrote to memory of 2932	1760	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe	31
PID 1760 wrote to memory of 2932	1760	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe	31
PID 1760 wrote to memory of 2932	1760	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe	31
PID 1760 wrote to memory of 2932	1760	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe	31

C:\Users\Admin\AppData\Local\Temp\dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe
"C:\Users\Admin\AppData\Local\Temp\dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1760
- 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\dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2968
- C:\Users\Admin\AppData\Local\Temp\dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe
  "C:\Users\Admin\AppData\Local\Temp\dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

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

Replay Monitor

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Downloads

memory/1760-13-0x0000000074350000-0x0000000074A3E000-memory.dmp

Filesize
6.9MB

Download
memory/1760-1-0x0000000000920000-0x00000000009C0000-memory.dmp

Filesize
640KB

Download
memory/1760-2-0x0000000074350000-0x0000000074A3E000-memory.dmp

Filesize
6.9MB

Download
memory/1760-3-0x00000000006D0000-0x00000000006E6000-memory.dmp

Filesize
88KB

Download
memory/1760-4-0x0000000000710000-0x000000000071E000-memory.dmp

Filesize
56KB

Download
memory/1760-5-0x0000000004760000-0x00000000047D6000-memory.dmp

Filesize
472KB

Download
memory/1760-0-0x000000007435E000-0x000000007435F000-memory.dmp

Filesize
4KB

Download
memory/2932-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2932-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2932-12-0x00000000009C0000-0x0000000000CC3000-memory.dmp

Filesize
3.0MB

Download
memory/2932-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2932-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2932-16-0x00000000009C0000-0x0000000000CC3000-memory.dmp

Filesize
3.0MB

Download

Analysis

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