formbook | 5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-11-2024 15:19

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General

Target

5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe
Size

724KB
MD5

fc28202d3482b050d95e52ebcb8f29f1
SHA1

a48ded154889d64e949092313fb01268123fc81b
SHA256

5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449
SHA512

587da4cb23d73eea596cbd7aa929441f48fee49eb51d29ffdfc4bea2ca7d8de6d2781f74621554dfc5ae08f90caeb47c93205562d9b33c7d587d43b72cd2d5a3
SSDEEP

12288:bM3ZJglIWeQhes2sqnEDOKDVlN16OAlo5bCBreJCOgdfN/ZnLiPp:IAZhes2RnE7D3TxT5beEgd1/Zu

Score

10^/10

formbook rp26 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

rp26

Decoy

rn3grmg9.sbs

4644.one

18tbo.com

c9max.shop

8914.loan

eptacore.xyz

ormto.website

vcreative.store

anglaoshi13.buzz

ewa123.bid

vantiverdeoficial.shop

sik89starwin.fun

niquestorebd.xyz

assword-manager-41452.bond

uccessproit.shop

kl1tuvy0.asia

titchinheavenqs.shop

w178.top

errari-mieten-dubai.click

ba-103mu.net

Signatures

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

Formbook payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/880-12-0x0000000000400000-0x000000000042F000-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

Processes:

powershell.exe

pid	Process
4488	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

Processes:

5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe

description	pid	Process	procid_target
PID 4976 set thread context of 880	4976	5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe	100

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

Processes:

5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exepowershell.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exepowershell.exe

pid	Process
4976	5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe
4976	5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe
880	5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe
880	5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe
4488	powershell.exe
4488	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	4976	5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe
Token: SeDebugPrivilege	4488	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe

description	pid	Process	procid_target
PID 4976 wrote to memory of 4488	4976	5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe	97
PID 4976 wrote to memory of 4488	4976	5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe	97
PID 4976 wrote to memory of 4488	4976	5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe	97
PID 4976 wrote to memory of 924	4976	5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe	99
PID 4976 wrote to memory of 924	4976	5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe	99
PID 4976 wrote to memory of 924	4976	5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe	99
PID 4976 wrote to memory of 880	4976	5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe	100
PID 4976 wrote to memory of 880	4976	5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe	100
PID 4976 wrote to memory of 880	4976	5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe	100
PID 4976 wrote to memory of 880	4976	5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe	100
PID 4976 wrote to memory of 880	4976	5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe	100
PID 4976 wrote to memory of 880	4976	5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe	100

C:\Users\Admin\AppData\Local\Temp\5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe
"C:\Users\Admin\AppData\Local\Temp\5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.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:4976
- 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\5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4488
- C:\Users\Admin\AppData\Local\Temp\5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe
  "C:\Users\Admin\AppData\Local\Temp\5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe"
  2⤵
  PID:924
- C:\Users\Admin\AppData\Local\Temp\5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe
  "C:\Users\Admin\AppData\Local\Temp\5aec55bf10e81eaddb865b7a91339e137b25b681a768caa914c608d3cdf51449.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:880

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_thvn0plp.y14.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/880-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/880-20-0x0000000000FC0000-0x000000000130A000-memory.dmp

Filesize
3.3MB

Download
memory/4488-49-0x0000000006160000-0x000000000617E000-memory.dmp

Filesize
120KB

Download
memory/4488-55-0x00000000070B0000-0x00000000070C1000-memory.dmp

Filesize
68KB

Download
memory/4488-62-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/4488-23-0x0000000005560000-0x00000000055C6000-memory.dmp

Filesize
408KB

Download
memory/4488-58-0x00000000071F0000-0x000000000720A000-memory.dmp

Filesize
104KB

Download
memory/4488-57-0x00000000070F0000-0x0000000007104000-memory.dmp

Filesize
80KB

Download
memory/4488-56-0x00000000070E0000-0x00000000070EE000-memory.dmp

Filesize
56KB

Download
memory/4488-54-0x0000000007130000-0x00000000071C6000-memory.dmp

Filesize
600KB

Download
memory/4488-53-0x0000000006F20000-0x0000000006F2A000-memory.dmp

Filesize
40KB

Download
memory/4488-16-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/4488-15-0x0000000002230000-0x0000000002240000-memory.dmp

Filesize
64KB

Download
memory/4488-14-0x00000000045F0000-0x0000000004626000-memory.dmp

Filesize
216KB

Download
memory/4488-19-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/4488-33-0x00000000055D0000-0x0000000005924000-memory.dmp

Filesize
3.3MB

Download
memory/4488-17-0x0000000004C60000-0x0000000005288000-memory.dmp

Filesize
6.2MB

Download
memory/4488-52-0x0000000006EB0000-0x0000000006ECA000-memory.dmp

Filesize
104KB

Download
memory/4488-21-0x0000000004BF0000-0x0000000004C12000-memory.dmp

Filesize
136KB

Download
memory/4488-22-0x0000000005400000-0x0000000005466000-memory.dmp

Filesize
408KB

Download
memory/4488-59-0x00000000071D0000-0x00000000071D8000-memory.dmp

Filesize
32KB

Download
memory/4488-51-0x00000000074F0000-0x0000000007B6A000-memory.dmp

Filesize
6.5MB

Download
memory/4488-50-0x0000000006DA0000-0x0000000006E43000-memory.dmp

Filesize
652KB

Download
memory/4488-34-0x0000000005B80000-0x0000000005B9E000-memory.dmp

Filesize
120KB

Download
memory/4488-35-0x0000000005BD0000-0x0000000005C1C000-memory.dmp

Filesize
304KB

Download
memory/4488-37-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/4488-36-0x0000000006B60000-0x0000000006B92000-memory.dmp

Filesize
200KB

Download
memory/4488-38-0x0000000070F80000-0x0000000070FCC000-memory.dmp

Filesize
304KB

Download
memory/4488-48-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/4976-0-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/4976-18-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/4976-4-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/4976-2-0x0000000005A80000-0x0000000006024000-memory.dmp

Filesize
5.6MB

Download
memory/4976-3-0x0000000005570000-0x0000000005602000-memory.dmp

Filesize
584KB

Download
memory/4976-10-0x0000000004FF0000-0x0000000005066000-memory.dmp

Filesize
472KB

Download
memory/4976-1-0x0000000000AC0000-0x0000000000B7A000-memory.dmp

Filesize
744KB

Download
memory/4976-9-0x00000000746C0000-0x0000000074E70000-memory.dmp

Filesize
7.7MB

Download
memory/4976-8-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/4976-7-0x0000000005A60000-0x0000000005A7C000-memory.dmp

Filesize
112KB

Download
memory/4976-6-0x0000000005810000-0x00000000058AC000-memory.dmp

Filesize
624KB

Download
memory/4976-5-0x0000000005700000-0x000000000570A000-memory.dmp

Filesize
40KB

Download