a46444b9122f1f6b4a7b004d25add27e0990594a7613b8067074d55afa13f1c9

Analysis

max time kernel
124s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-10-2024 05:19

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General

Target

bluemaintenance`/bluemaintenance`.exe
Size

1.2MB
MD5

a5cd8b932faf92e4b803614f86bec0b7
SHA1

ce444152b967a2bd67a32671424d7b6ed87d1025
SHA256

86304b458edfacda0d8b640b232c17bf69647cca2596a91416f202f66b9e6cbd
SHA512

956d9674a7a262de61ab5836f70d7a623f005fb8cba50296dbdb1ff70045f0b90a410107a697190de029ff6828680d95529191eb20a050617270c2789b2c7542
SSDEEP

24576:1G07HUw9ZbnJFx+Dp2micGd+AEPFmPquiOIe:1G0wM+Ami1dZAFmP9I

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2976 set thread context of 2708	2976	bluemaintenance`.exe	31

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	bluemaintenance`.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2976	bluemaintenance`.exe
2976	bluemaintenance`.exe
2976	bluemaintenance`.exe
2708	AddInProcess32.exe
2708	AddInProcess32.exe
2708	AddInProcess32.exe
2708	AddInProcess32.exe
2708	AddInProcess32.exe
2708	AddInProcess32.exe
2708	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2976	bluemaintenance`.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 2708	2976	bluemaintenance`.exe	31
PID 2976 wrote to memory of 2708	2976	bluemaintenance`.exe	31
PID 2976 wrote to memory of 2708	2976	bluemaintenance`.exe	31
PID 2976 wrote to memory of 2708	2976	bluemaintenance`.exe	31
PID 2976 wrote to memory of 2708	2976	bluemaintenance`.exe	31
PID 2976 wrote to memory of 2708	2976	bluemaintenance`.exe	31
PID 2976 wrote to memory of 2708	2976	bluemaintenance`.exe	31

C:\Users\Admin\AppData\Local\Temp\bluemaintenance`\bluemaintenance`.exe
"C:\Users\Admin\AppData\Local\Temp\bluemaintenance`\bluemaintenance`.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2708-9-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2708-16-0x0000000000840000-0x0000000000B43000-memory.dmp

Filesize
3.0MB

Download
memory/2708-14-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2708-10-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2708-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2976-8-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2976-6-0x0000000000470000-0x000000000048A000-memory.dmp

Filesize
104KB

Download
memory/2976-7-0x0000000000980000-0x0000000000986000-memory.dmp

Filesize
24KB

Download
memory/2976-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download
memory/2976-5-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2976-4-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download
memory/2976-3-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2976-13-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2976-2-0x00000000042C0000-0x000000000435E000-memory.dmp

Filesize
632KB

Download
memory/2976-15-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2976-1-0x0000000000B40000-0x0000000000C78000-memory.dmp

Filesize
1.2MB

Download