Analysis
-
max time kernel
145s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
26-02-2024 22:07
Static task
static1
Behavioral task
behavioral1
Sample
a77ba1b1b09048fb587be61c51ef885d4f4520c33bdfc33698f67f546344fdf7.dll
Resource
win7-20240221-en
General
-
Target
a77ba1b1b09048fb587be61c51ef885d4f4520c33bdfc33698f67f546344fdf7.dll
-
Size
801KB
-
MD5
6751e048eb0cfce52a7aa9587433f745
-
SHA1
eb7d72265043ead0158ae662ce3c844ca69d159b
-
SHA256
a77ba1b1b09048fb587be61c51ef885d4f4520c33bdfc33698f67f546344fdf7
-
SHA512
43feb81858aaea2b46f6a734c7d0ae6d2c0fa864f1a6d7d18eb5dacb0217127a7e8f84f532849749f33f7f1812d0b91c1ee83586873727a2ccb239486085289d
-
SSDEEP
12288:JdTsX0HaZMrfZbHYIfRejZW8qEBMiMdnRCBGQhCoeH3L6EjXI:HQp66kxEXMdnoBGjXzjXI
Malware Config
Extracted
emotet
Epoch5
51.75.33.122:443
186.250.48.5:80
168.119.39.118:443
207.148.81.119:8080
194.9.172.107:8080
139.196.72.155:8080
78.47.204.80:443
159.69.237.188:443
45.71.195.104:8080
54.37.106.167:8080
185.168.130.138:443
37.44.244.177:8080
185.184.25.78:8080
185.148.168.15:8080
128.199.192.135:8080
37.59.209.141:8080
103.41.204.169:8080
185.148.168.220:8080
103.42.58.120:7080
78.46.73.125:443
68.183.93.250:443
190.90.233.66:443
5.56.132.177:8080
62.171.178.147:8080
196.44.98.190:8080
168.197.250.14:80
66.42.57.149:443
59.148.253.194:443
104.131.62.48:8080
191.252.103.16:80
54.37.228.122:443
88.217.172.165:8080
195.77.239.39:8080
116.124.128.206:8080
93.104.209.107:8080
118.98.72.86:443
217.182.143.207:443
87.106.97.83:7080
210.57.209.142:8080
54.38.242.185:443
195.154.146.35:443
203.153.216.46:443
198.199.98.78:8080
85.214.67.203:8080
Signatures
-
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 2824 regsvr32.exe -
Drops file in System32 directory 1 IoCs
Processes:
regsvr32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Dkriirbh\fmkqhuo.zqu regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regsvr32.exepid process 2824 regsvr32.exe 2824 regsvr32.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
regsvr32.exepid process 3040 regsvr32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
regsvr32.exeregsvr32.exedescription pid process target process PID 2584 wrote to memory of 3040 2584 regsvr32.exe regsvr32.exe PID 2584 wrote to memory of 3040 2584 regsvr32.exe regsvr32.exe PID 2584 wrote to memory of 3040 2584 regsvr32.exe regsvr32.exe PID 3040 wrote to memory of 2824 3040 regsvr32.exe regsvr32.exe PID 3040 wrote to memory of 2824 3040 regsvr32.exe regsvr32.exe PID 3040 wrote to memory of 2824 3040 regsvr32.exe regsvr32.exe
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\a77ba1b1b09048fb587be61c51ef885d4f4520c33bdfc33698f67f546344fdf7.dll1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\a77ba1b1b09048fb587be61c51ef885d4f4520c33bdfc33698f67f546344fdf7.dll2⤵
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Dkriirbh\fmkqhuo.zqu"3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1340 --field-trial-handle=3112,i,1786399861560734457,5606877702857066305,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Windows\SysWOW64\Dkriirbh\fmkqhuo.zquFilesize
801KB
MD56751e048eb0cfce52a7aa9587433f745
SHA1eb7d72265043ead0158ae662ce3c844ca69d159b
SHA256a77ba1b1b09048fb587be61c51ef885d4f4520c33bdfc33698f67f546344fdf7
SHA51243feb81858aaea2b46f6a734c7d0ae6d2c0fa864f1a6d7d18eb5dacb0217127a7e8f84f532849749f33f7f1812d0b91c1ee83586873727a2ccb239486085289d
-
memory/3040-0-0x0000000010000000-0x0000000010027000-memory.dmpFilesize
156KB