formbook | dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-08-2024 02:21

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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
behavioral2/memory/2032-10-0x0000000000400000-0x000000000042F000-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
3260	powershell.exe

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1340 set thread context of 2032	1340	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe	86

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 6 IoCs

pid	Process
1340	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe
1340	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe
2032	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe
2032	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe
3260	powershell.exe
3260	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1340	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe
Token: SeDebugPrivilege	3260	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1340 wrote to memory of 3260	1340	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe	84
PID 1340 wrote to memory of 3260	1340	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe	84
PID 1340 wrote to memory of 3260	1340	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe	84
PID 1340 wrote to memory of 2032	1340	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe	86
PID 1340 wrote to memory of 2032	1340	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe	86
PID 1340 wrote to memory of 2032	1340	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe	86
PID 1340 wrote to memory of 2032	1340	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe	86
PID 1340 wrote to memory of 2032	1340	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe	86
PID 1340 wrote to memory of 2032	1340	dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe	86

C:\Users\Admin\AppData\Local\Temp\dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe
"C:\Users\Admin\AppData\Local\Temp\dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe"
1⤵
- 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:1340
- 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:3260
- C:\Users\Admin\AppData\Local\Temp\dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe
  "C:\Users\Admin\AppData\Local\Temp\dc1ef9303dccebb2719b654a156860278e36cbd08bfa24cfacd82b640fb640df.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yeoena0x.aup.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1340-6-0x00000000063C0000-0x00000000063D6000-memory.dmp

Filesize
88KB

Download
memory/1340-8-0x0000000006510000-0x0000000006586000-memory.dmp

Filesize
472KB

Download
memory/1340-3-0x0000000005140000-0x00000000051D2000-memory.dmp

Filesize
584KB

Download
memory/1340-4-0x00007FFC000B0000-0x00007FFC002A5000-memory.dmp

Filesize
2.0MB

Download
memory/1340-5-0x0000000005310000-0x000000000531A000-memory.dmp

Filesize
40KB

Download
memory/1340-0-0x00007FFC000B0000-0x00007FFC002A5000-memory.dmp

Filesize
2.0MB

Download
memory/1340-7-0x0000000006500000-0x000000000650E000-memory.dmp

Filesize
56KB

Download
memory/1340-2-0x0000000005610000-0x0000000005BB4000-memory.dmp

Filesize
5.6MB

Download
memory/1340-9-0x000000000A320000-0x000000000A3BC000-memory.dmp

Filesize
624KB

Download
memory/1340-1-0x00000000006C0000-0x0000000000760000-memory.dmp

Filesize
640KB

Download
memory/1340-13-0x00007FFC000B0000-0x00007FFC002A5000-memory.dmp

Filesize
2.0MB

Download
memory/2032-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2032-14-0x00000000019F0000-0x0000000001D3A000-memory.dmp

Filesize
3.3MB

Download
memory/2032-11-0x00007FFC000B0000-0x00007FFC002A5000-memory.dmp

Filesize
2.0MB

Download
memory/3260-21-0x00000000060E0000-0x0000000006146000-memory.dmp

Filesize
408KB

Download
memory/3260-46-0x0000000006F10000-0x0000000006F2E000-memory.dmp

Filesize
120KB

Download
memory/3260-18-0x0000000005A40000-0x0000000006068000-memory.dmp

Filesize
6.2MB

Download
memory/3260-19-0x0000000005980000-0x00000000059A2000-memory.dmp

Filesize
136KB

Download
memory/3260-20-0x0000000006070000-0x00000000060D6000-memory.dmp

Filesize
408KB

Download
memory/3260-15-0x0000000005380000-0x00000000053B6000-memory.dmp

Filesize
216KB

Download
memory/3260-16-0x00007FFC000B0000-0x00007FFC002A5000-memory.dmp

Filesize
2.0MB

Download
memory/3260-31-0x00000000062E0000-0x0000000006634000-memory.dmp

Filesize
3.3MB

Download
memory/3260-32-0x0000000006910000-0x000000000692E000-memory.dmp

Filesize
120KB

Download
memory/3260-33-0x00000000069C0000-0x0000000006A0C000-memory.dmp

Filesize
304KB

Download
memory/3260-36-0x00007FFC000B0000-0x00007FFC002A5000-memory.dmp

Filesize
2.0MB

Download
memory/3260-35-0x0000000071080000-0x00000000710CC000-memory.dmp

Filesize
304KB

Download
memory/3260-34-0x00000000078E0000-0x0000000007912000-memory.dmp

Filesize
200KB

Download
memory/3260-17-0x00007FFC000B0000-0x00007FFC002A5000-memory.dmp

Filesize
2.0MB

Download
memory/3260-47-0x0000000007B20000-0x0000000007BC3000-memory.dmp

Filesize
652KB

Download
memory/3260-48-0x00000000082A0000-0x000000000891A000-memory.dmp

Filesize
6.5MB

Download
memory/3260-49-0x0000000007C60000-0x0000000007C7A000-memory.dmp

Filesize
104KB

Download
memory/3260-50-0x0000000007CD0000-0x0000000007CDA000-memory.dmp

Filesize
40KB

Download
memory/3260-51-0x0000000007EE0000-0x0000000007F76000-memory.dmp

Filesize
600KB

Download
memory/3260-52-0x0000000007E60000-0x0000000007E71000-memory.dmp

Filesize
68KB

Download
memory/3260-53-0x0000000007E90000-0x0000000007E9E000-memory.dmp

Filesize
56KB

Download
memory/3260-54-0x0000000007EA0000-0x0000000007EB4000-memory.dmp

Filesize
80KB

Download
memory/3260-55-0x0000000007FA0000-0x0000000007FBA000-memory.dmp

Filesize
104KB

Download
memory/3260-56-0x0000000007F80000-0x0000000007F88000-memory.dmp

Filesize
32KB

Download
memory/3260-58-0x00007FFC000B0000-0x00007FFC002A5000-memory.dmp

Filesize
2.0MB

Download