Analysis
-
max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
13-02-2023 01:00
Static task
static1
Behavioral task
behavioral1
Sample
18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe
Resource
win10v2004-20220812-en
General
-
Target
18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe
-
Size
873KB
-
MD5
0034fce6ab0a05dca93fbf84cc933bd2
-
SHA1
b1614b89fd423326696a6dbaf40c56f82732f472
-
SHA256
18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83
-
SHA512
5c76e1dbf491051d08d2e679e284168086473ea57b84762f5cb22ff33f067806faf9bf55edd42f90fe7d3838d9d654a3918e64df10c9ceba34cf5aedf21370d8
-
SSDEEP
24576:PuHL2plae9Fplb2MnJNhdjLiDueXf98l8mkyvl:kelaezHJO/8l8mkyvl
Malware Config
Signatures
-
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
-
Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
Processes:
18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exedescription ioc process File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe 18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe 18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe -
Loads dropped DLL 1 IoCs
Processes:
18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exepid process 1884 18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce 18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Skamferingen = "C:\\Users\\Admin\\AppData\\Roaming\\Dannemnd\\Mycoderm80.scr" 18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
-
Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
Processes:
18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exepid process 2040 18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe 2040 18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exepid process 1884 18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe 2040 18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exedescription pid process target process PID 1884 set thread context of 2040 1884 18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe 18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exepid process 1884 18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exepid process 2040 18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exedescription pid process target process PID 1884 wrote to memory of 2040 1884 18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe 18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe PID 1884 wrote to memory of 2040 1884 18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe 18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe PID 1884 wrote to memory of 2040 1884 18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe 18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe PID 1884 wrote to memory of 2040 1884 18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe 18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe PID 1884 wrote to memory of 2040 1884 18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe 18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe"C:\Users\Admin\AppData\Local\Temp\18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Users\Admin\AppData\Local\Temp\18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe"C:\Users\Admin\AppData\Local\Temp\18b1abba90cf4a74b7216b91f02febb1c8694113f5ddc3507fd35b66253bcb83.exe"2⤵
- Checks QEMU agent file
- Adds Run key to start application
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
PID:2040
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
\Users\Admin\AppData\Local\Temp\nsiF05B.tmp\System.dllFilesize
11KB
MD59625d5b1754bc4ff29281d415d27a0fd
SHA180e85afc5cccd4c0a3775edbb90595a1a59f5ce0
SHA256c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
SHA512dce52b640897c2e8dbfd0a1472d5377fa91fb9cf1aeff62604d014bccbe5b56af1378f173132abeb0edd18c225b9f8f5e3d3e72434aed946661e036c779f165b
-
memory/1884-62-0x0000000077A60000-0x0000000077BE0000-memory.dmpFilesize
1.5MB
-
memory/1884-56-0x0000000003FF0000-0x00000000090CF000-memory.dmpFilesize
80.9MB
-
memory/1884-57-0x0000000003FF0000-0x00000000090CF000-memory.dmpFilesize
80.9MB
-
memory/1884-61-0x0000000077880000-0x0000000077A29000-memory.dmpFilesize
1.7MB
-
memory/1884-54-0x0000000075E31000-0x0000000075E33000-memory.dmpFilesize
8KB
-
memory/1884-72-0x0000000077A60000-0x0000000077BE0000-memory.dmpFilesize
1.5MB
-
memory/2040-60-0x0000000000403489-mapping.dmp
-
memory/2040-63-0x0000000000400000-0x0000000001462000-memory.dmpFilesize
16.4MB
-
memory/2040-64-0x0000000001470000-0x000000000654F000-memory.dmpFilesize
80.9MB
-
memory/2040-69-0x0000000077880000-0x0000000077A29000-memory.dmpFilesize
1.7MB
-
memory/2040-70-0x0000000001470000-0x000000000654F000-memory.dmpFilesize
80.9MB
-
memory/2040-71-0x0000000077A60000-0x0000000077BE0000-memory.dmpFilesize
1.5MB