Analysis
-
max time kernel
17s -
max time network
112s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
15/06/2021, 15:32
Static task
static1
General
-
Target
3e3cfac1f02a2749e0fdc12a7501dc58a6a9bb5f31b7cf30250b418800129696.dll
-
Size
170KB
-
MD5
cee70b961d78f3b252ee3ee6c3ab3586
-
SHA1
95345f4c2c97ad5cc3fc735fc30bf747564db2b2
-
SHA256
3e3cfac1f02a2749e0fdc12a7501dc58a6a9bb5f31b7cf30250b418800129696
-
SHA512
993b4e3e3c161ece89aea0ee41127ac8bf8f195085a8f19eb7abcda13ae6309a2384fa0d7f33fee882a672ff0fcc4981f10a868fa1619fa1d68dab0a60833b16
Malware Config
Extracted
Family
dridex
Botnet
40112
C2
128.199.200.38:443
192.163.233.216:6601
43.229.206.244:4125
rc4.plain
rc4.plain
Signatures
-
resource yara_rule behavioral1/memory/3724-115-0x0000000074300000-0x0000000074330000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 3756 3724 WerFault.exe 72 -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3756 WerFault.exe 3756 WerFault.exe 3756 WerFault.exe 3756 WerFault.exe 3756 WerFault.exe 3756 WerFault.exe 3756 WerFault.exe 3756 WerFault.exe 3756 WerFault.exe 3756 WerFault.exe 3756 WerFault.exe 3756 WerFault.exe 3756 WerFault.exe 3756 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 3756 WerFault.exe Token: SeBackupPrivilege 3756 WerFault.exe Token: SeDebugPrivilege 3756 WerFault.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 500 wrote to memory of 3724 500 rundll32.exe 72 PID 500 wrote to memory of 3724 500 rundll32.exe 72 PID 500 wrote to memory of 3724 500 rundll32.exe 72
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3e3cfac1f02a2749e0fdc12a7501dc58a6a9bb5f31b7cf30250b418800129696.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:500 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3e3cfac1f02a2749e0fdc12a7501dc58a6a9bb5f31b7cf30250b418800129696.dll,#12⤵PID:3724
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3724 -s 6763⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3756
-
-