2b09275e6df2b95a935645a4c42af221fa52ffeca71211ad39c0f289c2c2680e

General

Target

2b09275e6df2b95a935645a4c42af221fa52ffeca71211ad39c0f289c2c2680e.exe
Size

291KB
MD5

2c1240302962bb791c350f4f4021da5f
SHA1

4efb6c0ff32e0ed9c78a45bd349966ed6ccab73f
SHA256

2b09275e6df2b95a935645a4c42af221fa52ffeca71211ad39c0f289c2c2680e
SHA512

0adeadb3ef693768630ccee44c6158b9a8a460414f6f3fce6d9c930907f74a4a02fa591cb80dd0d90c8c54d0bf63bd4f6cff41a4791f35136de79dad4daa55b8
SSDEEP

6144:zuIlWqB+ihabs7Ch9KwyF5LeLodp2D1Mmakda0qL/dsn:q6Wq4aaE6KwyF5L0Y2D1PqLV4

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1632	svchost.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1140-132-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral2/memory/1140-135-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral2/files/0x0009000000022f71-137.dat	upx
behavioral2/files/0x0009000000022f71-138.dat	upx
behavioral2/memory/1632-139-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral2/memory/1140-142-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral2/memory/1632-143-0x0000000000400000-0x00000000004B6000-memory.dmp	upx

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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	2b09275e6df2b95a935645a4c42af221fa52ffeca71211ad39c0f289c2c2680e.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\Windows\\System\\svchost.exe"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	2b09275e6df2b95a935645a4c42af221fa52ffeca71211ad39c0f289c2c2680e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\Windows\\System\\svchost.exe"	2b09275e6df2b95a935645a4c42af221fa52ffeca71211ad39c0f289c2c2680e.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run	svchost.exe

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/1140-135-0x0000000000400000-0x00000000004B6000-memory.dmp	autoit_exe
behavioral2/memory/1140-142-0x0000000000400000-0x00000000004B6000-memory.dmp	autoit_exe
behavioral2/memory/1632-143-0x0000000000400000-0x00000000004B6000-memory.dmp	autoit_exe

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

System Information Discovery
T1082

Kills process with taskkill 2 IoCs

evasion

pid	Process
5068	taskkill.exe
1492	taskkill.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
1140	2b09275e6df2b95a935645a4c42af221fa52ffeca71211ad39c0f289c2c2680e.exe
1140	2b09275e6df2b95a935645a4c42af221fa52ffeca71211ad39c0f289c2c2680e.exe
1140	2b09275e6df2b95a935645a4c42af221fa52ffeca71211ad39c0f289c2c2680e.exe
1140	2b09275e6df2b95a935645a4c42af221fa52ffeca71211ad39c0f289c2c2680e.exe
1140	2b09275e6df2b95a935645a4c42af221fa52ffeca71211ad39c0f289c2c2680e.exe
1140	2b09275e6df2b95a935645a4c42af221fa52ffeca71211ad39c0f289c2c2680e.exe
1632	svchost.exe
1632	svchost.exe
1632	svchost.exe
1632	svchost.exe
1632	svchost.exe
1632	svchost.exe
1632	svchost.exe
1632	svchost.exe
1632	svchost.exe
1632	svchost.exe
1632	svchost.exe
1632	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5068	taskkill.exe
Token: SeDebugPrivilege	1492	taskkill.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 1684	1140	2b09275e6df2b95a935645a4c42af221fa52ffeca71211ad39c0f289c2c2680e.exe	80
PID 1140 wrote to memory of 1684	1140	2b09275e6df2b95a935645a4c42af221fa52ffeca71211ad39c0f289c2c2680e.exe	80
PID 1140 wrote to memory of 1684	1140	2b09275e6df2b95a935645a4c42af221fa52ffeca71211ad39c0f289c2c2680e.exe	80
PID 1684 wrote to memory of 5068	1684	cmd.exe	82
PID 1684 wrote to memory of 5068	1684	cmd.exe	82
PID 1684 wrote to memory of 5068	1684	cmd.exe	82
PID 1140 wrote to memory of 1632	1140	2b09275e6df2b95a935645a4c42af221fa52ffeca71211ad39c0f289c2c2680e.exe	83
PID 1140 wrote to memory of 1632	1140	2b09275e6df2b95a935645a4c42af221fa52ffeca71211ad39c0f289c2c2680e.exe	83
PID 1140 wrote to memory of 1632	1140	2b09275e6df2b95a935645a4c42af221fa52ffeca71211ad39c0f289c2c2680e.exe	83
PID 1632 wrote to memory of 3540	1632	svchost.exe	85
PID 1632 wrote to memory of 3540	1632	svchost.exe	85
PID 1632 wrote to memory of 3540	1632	svchost.exe	85
PID 3540 wrote to memory of 1492	3540	cmd.exe	87
PID 3540 wrote to memory of 1492	3540	cmd.exe	87
PID 3540 wrote to memory of 1492	3540	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\2b09275e6df2b95a935645a4c42af221fa52ffeca71211ad39c0f289c2c2680e.exe
"C:\Users\Admin\AppData\Local\Temp\2b09275e6df2b95a935645a4c42af221fa52ffeca71211ad39c0f289c2c2680e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1140
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /C taskkill /IM qubnfe.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1684
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /IM qubnfe.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:5068
- C:\Users\Admin\AppData\Local\Microsoft\Windows\System\svchost.exe
  "C:\Users\Admin\AppData\Local\Microsoft\Windows\System\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1632
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /C taskkill /IM qubnfe.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3540
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /IM qubnfe.exe
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:1492

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\System\svchost.exe

Filesize
291KB

MD5
2c1240302962bb791c350f4f4021da5f

SHA1
4efb6c0ff32e0ed9c78a45bd349966ed6ccab73f

SHA256
2b09275e6df2b95a935645a4c42af221fa52ffeca71211ad39c0f289c2c2680e

SHA512
0adeadb3ef693768630ccee44c6158b9a8a460414f6f3fce6d9c930907f74a4a02fa591cb80dd0d90c8c54d0bf63bd4f6cff41a4791f35136de79dad4daa55b8

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\System\svchost.exe

Filesize
291KB

MD5
2c1240302962bb791c350f4f4021da5f

SHA1
4efb6c0ff32e0ed9c78a45bd349966ed6ccab73f

SHA256
2b09275e6df2b95a935645a4c42af221fa52ffeca71211ad39c0f289c2c2680e

SHA512
0adeadb3ef693768630ccee44c6158b9a8a460414f6f3fce6d9c930907f74a4a02fa591cb80dd0d90c8c54d0bf63bd4f6cff41a4791f35136de79dad4daa55b8

Download Submit
memory/1140-132-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/1140-135-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/1140-142-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/1632-139-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/1632-143-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download

Analysis

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