Analysis
- max time kernel
129s - max time network
15s - platform
windows7_x64 - resource
win7v20210408 - submitted
05/05/2021, 22:04
Static task
static1
Behavioral task
behavioral1
Sample
3fc4c9ad_by_Libranalysis.dll
Resource
win7v20210408
0 signatures
0 seconds
General
- Target 3fc4c9ad_by_Libranalysis.dll
- Size 161KB
- Sample210505-676vllxpvx
- SHA256 764f41b29285d1ad19f7bc5f0ad5d34255951cda7e24462e80bfe45847dbd545
- MD5 3fc4c9ada08f5e033163a9c95cc31a00
- SHA1 59bc941a2773315be68b1d2923b7f04fc25a1bad
- SHA512 598c7477e87c9c6b97bdd861311b82ca0014d44f7b269fa246513f990d60d6631dc7e51f37544eea09c0b0a024e8b53c9316860f0bec3c15e375c0be383bfdd0
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
dridex
Botnet
-
22202
C2
-
45.55.134.126:443
-
67.207.83.96:8172
-
193.160.214.95:4125
rc4.plain
rc4.plain
Signatures
-
resource yara_rule behavioral1/memory/1296-62-0x0000000010000000-0x000000001002E000-memory.dmp dridex_ldr - Program crash 1 IoCs
pid pid_target Process procid_target 600 1296 WerFault.exe 25 - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 600 WerFault.exe 600 WerFault.exe 600 WerFault.exe 600 WerFault.exe 600 WerFault.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 600 WerFault.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 600 WerFault.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1996 wrote to memory of 1296 1996 rundll32.exe 25 PID 1996 wrote to memory of 1296 1996 rundll32.exe 25 PID 1996 wrote to memory of 1296 1996 rundll32.exe 25 PID 1996 wrote to memory of 1296 1996 rundll32.exe 25 PID 1996 wrote to memory of 1296 1996 rundll32.exe 25 PID 1996 wrote to memory of 1296 1996 rundll32.exe 25 PID 1996 wrote to memory of 1296 1996 rundll32.exe 25 PID 1296 wrote to memory of 600 1296 rundll32.exe 30 PID 1296 wrote to memory of 600 1296 rundll32.exe 30 PID 1296 wrote to memory of 600 1296 rundll32.exe 30 PID 1296 wrote to memory of 600 1296 rundll32.exe 30
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3fc4c9ad_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1996 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3fc4c9ad_by_Libranalysis.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1296 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1296 -s 2643⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:600
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