b6f869f85169eb84ad25aa08d9844a18d8febee43f05f4b3dffb539ec2b7f1b1

General

Target

Bootstrapper_V1.19.exe
Size

796KB
MD5

4d58b02c2a252bc3c9b0e400d0d38c34
SHA1

749059703b6333bde494a43c33fa2cf2a4ff8026
SHA256

b6f869f85169eb84ad25aa08d9844a18d8febee43f05f4b3dffb539ec2b7f1b1
SHA512

ea00a0670f7b4381ec43449ded50be7bda58496fcb59b5ba87e22c3b9d5b85b5d4df457c4b4e6c1d38016f9c10d1c8869e9dd4b498f814feacb40d398e2aaed4
SSDEEP

3072:OhMQmmCyYwC+M2FEv80IZOAcXAEJuh9hCyYwC+M2FEv80IZOAD80IZOAB:zmhY7X2Kvh9qhhY7X2KvhEh

Score

8^/10

discovery execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2040	powershell.exe
2228	powershell.exe
2704	powershell.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
4	raw.githubusercontent.com
5	raw.githubusercontent.com

System Location Discovery: System Language Discovery 1 TTPs 4 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_V1.19.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2040	powershell.exe
2228	powershell.exe
2704	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2040	powershell.exe
Token: SeDebugPrivilege	2228	powershell.exe
Token: SeDebugPrivilege	2704	powershell.exe
Token: SeDebugPrivilege	2348	Bootstrapper_V1.19.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2040	2348	Bootstrapper_V1.19.exe	31
PID 2348 wrote to memory of 2040	2348	Bootstrapper_V1.19.exe	31
PID 2348 wrote to memory of 2040	2348	Bootstrapper_V1.19.exe	31
PID 2348 wrote to memory of 2040	2348	Bootstrapper_V1.19.exe	31
PID 2348 wrote to memory of 2228	2348	Bootstrapper_V1.19.exe	32
PID 2348 wrote to memory of 2228	2348	Bootstrapper_V1.19.exe	32
PID 2348 wrote to memory of 2228	2348	Bootstrapper_V1.19.exe	32
PID 2348 wrote to memory of 2228	2348	Bootstrapper_V1.19.exe	32
PID 2348 wrote to memory of 2704	2348	Bootstrapper_V1.19.exe	33
PID 2348 wrote to memory of 2704	2348	Bootstrapper_V1.19.exe	33
PID 2348 wrote to memory of 2704	2348	Bootstrapper_V1.19.exe	33
PID 2348 wrote to memory of 2704	2348	Bootstrapper_V1.19.exe	33

C:\Users\Admin\AppData\Local\Temp\Bootstrapper_V1.19.exe
"C:\Users\Admin\AppData\Local\Temp\Bootstrapper_V1.19.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -NoProfile -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\SGDT'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2040
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -NoProfile -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\Desktop'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2228
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -NoProfile -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
75c307f192275bfe2ce6f5eb16fd7ee4

SHA1
6cfb62923d57a0fe09167bd079aa75c8ca2cb868

SHA256
902bce08e3bf33053cbf207cb4d4c179cf1e2e182ab66ce4ede6f4bab36a889f

SHA512
4681de196c0e64177fe0481e1b85e3900ced7381984e0b63c03d565fe454bd71499a3c1f7898e983e85eeaaa038686a547f155f3671c07e7442463b014f82886

Download Submit
memory/2348-6-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-2-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-4-0x0000000000300000-0x000000000030A000-memory.dmp

Filesize
40KB

Download
memory/2348-3-0x0000000000300000-0x000000000030A000-memory.dmp

Filesize
40KB

Download
memory/2348-5-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-0-0x00000000741AE000-0x00000000741AF000-memory.dmp

Filesize
4KB

Download
memory/2348-7-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-8-0x0000000000300000-0x000000000030A000-memory.dmp

Filesize
40KB

Download
memory/2348-9-0x0000000000300000-0x000000000030A000-memory.dmp

Filesize
40KB

Download
memory/2348-10-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-11-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-1-0x0000000001080000-0x000000000114C000-memory.dmp

Filesize
816KB

Download

Analysis

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