da17868f107954124c0953fd1cb37ac8ed4e78460905e83d6402b966a77ee7dc

Resubmissions

07/08/2024, 21:40

240807-1jh7nayake 8

07/08/2024, 21:34

240807-1ex51svaqn 8

Analysis

max time kernel
6s
max time network
7s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/08/2024, 21:34

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General

Target

Bootstrapper.exe
Size

795KB
MD5

a7f3293b177a63f6c50b5560e729cbff
SHA1

4885073e4881cffc5c5155de720aa65755418fe8
SHA256

da17868f107954124c0953fd1cb37ac8ed4e78460905e83d6402b966a77ee7dc
SHA512

70b3431b238457a24e66914d0059e7e8e2dc4f79ac49c9a9c510214b8bc1279af6947288442060ac02c3cf3c863c144ef95219006097d2e59183586f7f701438
SSDEEP

12288:Hs0xF36Z1LyI6QQsJNOoRQ1jt/Nppxu29CHWzO:xxJ6Z1L5J8oRQ1jt/Nppxv9C2

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	Bootstrapper.exe

Executes dropped EXE 1 IoCs

pid	Process
4676	BootstrapperV1.15.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs

Web Service

T1102

flow	ioc
2	pastebin.com
17	raw.githubusercontent.com
18	raw.githubusercontent.com
1	pastebin.com

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 1 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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5028	Bootstrapper.exe
Token: SeDebugPrivilege	4676	BootstrapperV1.15.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5028 wrote to memory of 4676	5028	Bootstrapper.exe	87
PID 5028 wrote to memory of 4676	5028	Bootstrapper.exe	87

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:5028
- C:\Users\Admin\AppData\Local\Temp\BootstrapperV1.15.exe
  "C:\Users\Admin\AppData\Local\Temp\BootstrapperV1.15.exe" --oldBootstrapper "C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe" --isUpdate true
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4676

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\BootstrapperV1.15.exe

Filesize
796KB

MD5
653c07b9b5f1b22c84f72c03b0083d18

SHA1
54c25b876736011d016dc0ea06a1533365555cc4

SHA256
c9d04a3a87fee318ba65f837f40bd2dd2428f25e78bf271207f8b2b02aaa8a06

SHA512
b605773fc4fa244f354bb8f51621225e6482751d19bddf747f03f624581bc7ae896ca0e40be91b667aea7a7978a291497a362f9bd65449682e1948938af684f8

Download Submit
memory/4676-18-0x000001D8B4F60000-0x000001D8B502E000-memory.dmp

Filesize
824KB

Download
memory/4676-19-0x00007FFC18853000-0x00007FFC18855000-memory.dmp

Filesize
8KB

Download
memory/4676-20-0x00007FFC18850000-0x00007FFC19311000-memory.dmp

Filesize
10.8MB

Download
memory/4676-21-0x00007FFC18850000-0x00007FFC19311000-memory.dmp

Filesize
10.8MB

Download
memory/5028-0-0x0000000074DFE000-0x0000000074DFF000-memory.dmp

Filesize
4KB

Download
memory/5028-1-0x0000000000CD0000-0x0000000000D9E000-memory.dmp

Filesize
824KB

Download
memory/5028-2-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/5028-3-0x0000000006130000-0x0000000006152000-memory.dmp

Filesize
136KB

Download
memory/5028-4-0x0000000006160000-0x00000000064B4000-memory.dmp

Filesize
3.3MB

Download
memory/5028-16-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download