faad2bc8e61b75e595a80ff2b6d150ff8b27187a8ba426cc1e5e38e193ab6d42

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/08/2024, 22:49

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General

Target

Bootstrapper.exe
Size

795KB
MD5

365971e549352a15e150b60294ec2e57
SHA1

2932242b427e81b1b4ac8c11fb17793eae0939f7
SHA256

faad2bc8e61b75e595a80ff2b6d150ff8b27187a8ba426cc1e5e38e193ab6d42
SHA512

f7ba1353e880213a6bdf5bd1dfdfd42a0acf4066a540a502e8df8fec8eac7fb80b75aa52e68eca98be3f7701da48eb90758e5b94d72013d3dff05e0aaf27e938
SSDEEP

12288:GYa9sBhIBdCdbX1USoeQDj/VNpA+dZIznBpGTEy:Pa98hIBdjSoeQDj/VNpZdZIznBpg

Score

8^/10

discovery

Malware Config

Signatures

Downloads MZ/PE file

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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	Bootstrapper.exe

Executes dropped EXE 1 IoCs

pid	Process
1992	BootstrapperV1.13.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs

Web Service

T1102

flow	ioc
19	raw.githubusercontent.com
25	raw.githubusercontent.com
1	pastebin.com
4	pastebin.com
18	raw.githubusercontent.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1852	1992	WerFault.exe	88

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	Bootstrapper.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BootstrapperV1.13.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3580	Bootstrapper.exe
Token: SeDebugPrivilege	1992	BootstrapperV1.13.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3580 wrote to memory of 1992	3580	Bootstrapper.exe	88
PID 3580 wrote to memory of 1992	3580	Bootstrapper.exe	88
PID 3580 wrote to memory of 1992	3580	Bootstrapper.exe	88

C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe
"C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3580
- C:\Users\Admin\AppData\Local\Temp\BootstrapperV1.13.exe
  "C:\Users\Admin\AppData\Local\Temp\BootstrapperV1.13.exe" --oldBootstrapper "C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe" --isUpdate true
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1992
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1992 -s 1700
    3⤵
    - Program crash
    PID:1852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1992 -ip 1992
1⤵
PID:3936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\BootstrapperV1.13.exe

Filesize
796KB

MD5
fa65805dc79caefec703e1339141fc65

SHA1
9f2480739aac09dcf254d87f5f63deaea8296404

SHA256
d122b76e0739d706b0c3078136fd05d55e92b09dca92864c66b428fa8c0da748

SHA512
b2fd9027cf118727dc5688912a0909403afede90a6efcb5e616dcca575753b82a85ba48f3d08b63148f5c5795d1af35f69803dde2fef358f94dd367ec55f1b63

Download Submit
memory/1992-18-0x00000000003C0000-0x000000000048E000-memory.dmp

Filesize
824KB

Download
memory/1992-19-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/1992-20-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/1992-21-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/3580-0-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

Filesize
4KB

Download
memory/3580-1-0x0000000000E20000-0x0000000000EEE000-memory.dmp

Filesize
824KB

Download
memory/3580-2-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/3580-3-0x0000000006290000-0x00000000062B2000-memory.dmp

Filesize
136KB

Download
memory/3580-4-0x00000000062C0000-0x0000000006614000-memory.dmp

Filesize
3.3MB

Download
memory/3580-16-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download