Analysis
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max time kernel
26s -
max time network
8s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
21-04-2021 17:03
Static task
static1
Behavioral task
behavioral1
Sample
81d0dbe368468db551b4aad38a5aef99ef1769e86ba2bd55ce6e655332e08367.dll
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
81d0dbe368468db551b4aad38a5aef99ef1769e86ba2bd55ce6e655332e08367.dll
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Size
158KB
-
MD5
eaf8819ded62cad1980f7ea11e0fcb02
-
SHA1
891fef1fb412f1e136bce78515d410b2ed65b5e1
-
SHA256
81d0dbe368468db551b4aad38a5aef99ef1769e86ba2bd55ce6e655332e08367
-
SHA512
858b42e32bcae9c97460b912b271da10940b7a6a7dcb6b8b469407ee9f49fc34f09856b25cdfd566d7fcdb31e04d5a80660b09eca28a1ab82dffe33afebe465b
Malware Config
Extracted
Family
dridex
Botnet
40111
C2
8.210.53.215:443
72.249.22.245:2303
188.40.137.206:8172
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/1136-62-0x0000000074E30000-0x0000000074E5D000-memory.dmp dridex_ldr -
Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
rundll32.exedescription pid process target process PID 1084 wrote to memory of 1136 1084 rundll32.exe rundll32.exe PID 1084 wrote to memory of 1136 1084 rundll32.exe rundll32.exe PID 1084 wrote to memory of 1136 1084 rundll32.exe rundll32.exe PID 1084 wrote to memory of 1136 1084 rundll32.exe rundll32.exe PID 1084 wrote to memory of 1136 1084 rundll32.exe rundll32.exe PID 1084 wrote to memory of 1136 1084 rundll32.exe rundll32.exe PID 1084 wrote to memory of 1136 1084 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\81d0dbe368468db551b4aad38a5aef99ef1769e86ba2bd55ce6e655332e08367.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1084 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\81d0dbe368468db551b4aad38a5aef99ef1769e86ba2bd55ce6e655332e08367.dll,#12⤵
- Checks whether UAC is enabled
PID:1136
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1136-60-0x0000000000000000-mapping.dmp
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memory/1136-61-0x00000000752F1000-0x00000000752F3000-memory.dmpFilesize
8KB
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memory/1136-62-0x0000000074E30000-0x0000000074E5D000-memory.dmpFilesize
180KB
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memory/1136-64-0x00000000001A0000-0x00000000001A6000-memory.dmpFilesize
24KB