dridex | 0f805102c77684494cffc5df1e75e97990f83f58e6845d16f02888db03b2159e

Analysis

max time kernel
119s
max time network
135s
platform
windows10_x64
resource
win10-en-20210920
submitted
21-10-2021 20:21

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General

Target

0f805102c77684494cffc5df1e75e97990f83f58e6845d16f02888db03b2159e.dll
Size

180KB
MD5

74e4a2208c91735a96bfbbba392b221a
SHA1

38855ddf26cc33d307132386c20cff6bf7846aaf
SHA256

0f805102c77684494cffc5df1e75e97990f83f58e6845d16f02888db03b2159e
SHA512

9fc2b724b63c75b3ea7e44a95d9e9cdfa181a5d81ab7a0b445b727101e93592f9ea4b5f2e57f83f0f3f5934f628b31e1f38d724cb4b7fdaf03a21b29843f65d8

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

212.237.17.99:443

176.28.17.160:6602

51.254.140.238:8333

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/688-116-0x00000000736B0000-0x00000000736DF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4000 688 WerFault.exe rundll32.exe

pid	pid_target	process	target process
4000	688	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

WerFault.exe

pid	process
4000	WerFault.exe
4000	WerFault.exe
4000	WerFault.exe
4000	WerFault.exe
4000	WerFault.exe
4000	WerFault.exe
4000	WerFault.exe
4000	WerFault.exe
4000	WerFault.exe
4000	WerFault.exe
4000	WerFault.exe
4000	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 4000 WerFault.exe
Token: SeBackupPrivilege 4000 WerFault.exe
Token: SeDebugPrivilege 4000 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	4000	WerFault.exe
Token: SeBackupPrivilege	4000	WerFault.exe
Token: SeDebugPrivilege	4000	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2192 wrote to memory of 688	2192	rundll32.exe	rundll32.exe
PID 2192 wrote to memory of 688	2192	rundll32.exe	rundll32.exe
PID 2192 wrote to memory of 688	2192	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f805102c77684494cffc5df1e75e97990f83f58e6845d16f02888db03b2159e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2192

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f805102c77684494cffc5df1e75e97990f83f58e6845d16f02888db03b2159e.dll,#1
2⤵
PID:688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 688 -s 620
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4000

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/688-115-0x0000000000000000-mapping.dmp

Download
memory/688-116-0x00000000736B0000-0x00000000736DF000-memory.dmp

Filesize
188KB

Download
memory/688-118-0x00000000031D0000-0x00000000031D6000-memory.dmp

Filesize
24KB

Download