Analysis
- max time kernel
120s - max time network
119s - platform
windows7_x64 - resource
win7v20210410 - submitted
20/05/2021, 07:02
Static task
static1
Behavioral task
behavioral1
Sample
2b24a6da_by_Libranalysis.dll
Resource
win7v20210410
0 signatures
0 seconds
General
- Target 2b24a6da_by_Libranalysis.dll
- Size 162KB
- Sample210520-df7wskqcss
- SHA256 cf106198a96dcee92ebec9852c4689c631751f06b87bb3afa1a8d764e161c987
- MD5 2b24a6da85bd79fda623c137b0facee8
- SHA1 2d560611d61c11ccd0f2f76b598907a51ffb4a2c
- SHA512 3a6942373b1b11a2e05f6c800211cc9d40d7b26d6f806f96cd0e42f4066a7d23cdf84d124e184dab39813e36eb8fe694254b88160fb2fc7ef63232c4c1525ce4
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
dridex
Botnet
-
40112
C2
-
107.172.227.10:443
-
172.93.133.123:2303
-
108.168.61.147:8172
rc4.plain
rc4.plain
Signatures
-
resource yara_rule behavioral1/memory/2036-62-0x00000000754B0000-0x00000000754DE000-memory.dmp dridex_ldr -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1104 wrote to memory of 2036 1104 rundll32.exe 26 PID 1104 wrote to memory of 2036 1104 rundll32.exe 26 PID 1104 wrote to memory of 2036 1104 rundll32.exe 26 PID 1104 wrote to memory of 2036 1104 rundll32.exe 26 PID 1104 wrote to memory of 2036 1104 rundll32.exe 26 PID 1104 wrote to memory of 2036 1104 rundll32.exe 26 PID 1104 wrote to memory of 2036 1104 rundll32.exe 26
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2b24a6da_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1104 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2b24a6da_by_Libranalysis.dll,#12⤵
- Checks whether UAC is enabled
PID:2036
-