formbook | 3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b

Analysis

max time kernel
131s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28-09-2024 01:17

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General

Target

3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b.exe
Size

568KB
MD5

e87bbcd539074e1cac806929080d1322
SHA1

489a1711e44e53fe688cf5e3e95bf5ad817675e9
SHA256

3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b
SHA512

512596edeccef253c4bdcad803d027b4dae3764f132247eeb48bae5bccdad7474fb5c1a75eb0a4ce62e164cf66e3ae4c1aca7f36acffd866bdde43813289381b
SSDEEP

12288:IeZjcqm8hVDnBns6pKBJTGiiRuWjrkPy7yLsHfJm5ZPuj+kDE0vs/:Ie1myDn1s6cDyiiRnr2yuKEs7DRE/

Score

10^/10

formbook btrd discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

btrd

Decoy

everslane.com

prairieviewelectric.online

dszvhgd.com

papamuch.com

8129k.vip

jeffreestar.gold

bestguestrentals.com

nvzhuang1.net

anangtoto.com

yxfgor.top

practicalpoppers.com

thebestanglephotography.online

koormm.top

criika.net

audioflow.online

380747.net

jiuguanwang.net

bloxequities.com

v321c.com

sugar.monster

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/4328-12-0x0000000000400000-0x000000000042F000-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

pid	Process
4284	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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5012 set thread context of 4328	5012	3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b.exe	99

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4328	3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b.exe
4328	3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b.exe
4328	3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b.exe
4284	powershell.exe
4284	powershell.exe
4284	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4284	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5012 wrote to memory of 4284	5012	3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b.exe	97
PID 5012 wrote to memory of 4284	5012	3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b.exe	97
PID 5012 wrote to memory of 4284	5012	3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b.exe	97
PID 5012 wrote to memory of 4328	5012	3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b.exe	99
PID 5012 wrote to memory of 4328	5012	3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b.exe	99
PID 5012 wrote to memory of 4328	5012	3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b.exe	99
PID 5012 wrote to memory of 4328	5012	3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b.exe	99
PID 5012 wrote to memory of 4328	5012	3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b.exe	99
PID 5012 wrote to memory of 4328	5012	3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b.exe	99

C:\Users\Admin\AppData\Local\Temp\3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b.exe
"C:\Users\Admin\AppData\Local\Temp\3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5012
- 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\3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4284
- C:\Users\Admin\AppData\Local\Temp\3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b.exe
  "C:\Users\Admin\AppData\Local\Temp\3deaaeecdbfc007dcbbdd5328a1c06477a778d6d87acc7f78ddd234fcce0757b.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4328

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4324,i,12198811467968044966,17227406646827438786,262144 --variations-seed-version --mojo-platform-channel-handle=3880 /prefetch:8
1⤵
PID:3936

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_uxuytkqx.2hu.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4284-49-0x00000000744F0000-0x0000000074CA0000-memory.dmp

Filesize
7.7MB

Download
memory/4284-51-0x0000000007700000-0x0000000007D7A000-memory.dmp

Filesize
6.5MB

Download
memory/4284-32-0x0000000005890000-0x0000000005BE4000-memory.dmp

Filesize
3.3MB

Download
memory/4284-62-0x00000000744F0000-0x0000000074CA0000-memory.dmp

Filesize
7.7MB

Download
memory/4284-59-0x0000000007400000-0x0000000007408000-memory.dmp

Filesize
32KB

Download
memory/4284-58-0x0000000007420000-0x000000000743A000-memory.dmp

Filesize
104KB

Download
memory/4284-57-0x0000000007320000-0x0000000007334000-memory.dmp

Filesize
80KB

Download
memory/4284-56-0x0000000007310000-0x000000000731E000-memory.dmp

Filesize
56KB

Download
memory/4284-55-0x00000000072E0000-0x00000000072F1000-memory.dmp

Filesize
68KB

Download
memory/4284-54-0x0000000007360000-0x00000000073F6000-memory.dmp

Filesize
600KB

Download
memory/4284-53-0x0000000007150000-0x000000000715A000-memory.dmp

Filesize
40KB

Download
memory/4284-52-0x00000000070C0000-0x00000000070DA000-memory.dmp

Filesize
104KB

Download
memory/4284-22-0x0000000005720000-0x0000000005786000-memory.dmp

Filesize
408KB

Download
memory/4284-48-0x0000000006DB0000-0x0000000006E53000-memory.dmp

Filesize
652KB

Download
memory/4284-16-0x00000000744FE000-0x00000000744FF000-memory.dmp

Filesize
4KB

Download
memory/4284-17-0x0000000002470000-0x00000000024A6000-memory.dmp

Filesize
216KB

Download
memory/4284-18-0x00000000744F0000-0x0000000074CA0000-memory.dmp

Filesize
7.7MB

Download
memory/4284-19-0x0000000004ED0000-0x00000000054F8000-memory.dmp

Filesize
6.2MB

Download
memory/4284-20-0x0000000004DD0000-0x0000000004DF2000-memory.dmp

Filesize
136KB

Download
memory/4284-21-0x00000000056B0000-0x0000000005716000-memory.dmp

Filesize
408KB

Download
memory/4284-50-0x00000000744F0000-0x0000000074CA0000-memory.dmp

Filesize
7.7MB

Download
memory/4284-46-0x00000000744F0000-0x0000000074CA0000-memory.dmp

Filesize
7.7MB

Download
memory/4284-47-0x0000000006390000-0x00000000063AE000-memory.dmp

Filesize
120KB

Download
memory/4284-33-0x0000000005D90000-0x0000000005DAE000-memory.dmp

Filesize
120KB

Download
memory/4284-34-0x0000000005E40000-0x0000000005E8C000-memory.dmp

Filesize
304KB

Download
memory/4284-36-0x0000000070310000-0x000000007035C000-memory.dmp

Filesize
304KB

Download
memory/4284-35-0x0000000006350000-0x0000000006382000-memory.dmp

Filesize
200KB

Download
memory/4328-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4328-15-0x0000000001320000-0x000000000166A000-memory.dmp

Filesize
3.3MB

Download
memory/5012-11-0x0000000008E30000-0x0000000008ECC000-memory.dmp

Filesize
624KB

Download
memory/5012-8-0x000000007447E000-0x000000007447F000-memory.dmp

Filesize
4KB

Download
memory/5012-14-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/5012-0-0x000000007447E000-0x000000007447F000-memory.dmp

Filesize
4KB

Download
memory/5012-2-0x0000000005520000-0x0000000005AC4000-memory.dmp

Filesize
5.6MB

Download
memory/5012-3-0x0000000004E80000-0x0000000004F12000-memory.dmp

Filesize
584KB

Download
memory/5012-10-0x0000000006790000-0x0000000006806000-memory.dmp

Filesize
472KB

Download
memory/5012-9-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/5012-1-0x0000000000370000-0x0000000000404000-memory.dmp

Filesize
592KB

Download
memory/5012-7-0x0000000005300000-0x0000000005310000-memory.dmp

Filesize
64KB

Download
memory/5012-6-0x0000000006460000-0x00000000064EC000-memory.dmp

Filesize
560KB

Download
memory/5012-5-0x0000000004E10000-0x0000000004E1A000-memory.dmp

Filesize
40KB

Download
memory/5012-4-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download