dridex | 976c9bed071c1837b65c50318b26d8260ebc6229237a85b18c2ff6ca064a7e9f

Analysis

max time kernel
101s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 16:02

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General

Target

976c9bed071c1837b65c50318b26d8260ebc6229237a85b18c2ff6ca064a7e9f.dll
Size

162KB
MD5

e1f55dff7ad75678eecbe8581361cc7f
SHA1

eb7165ed534da45224498cbc5834dc8cbc6396da
SHA256

976c9bed071c1837b65c50318b26d8260ebc6229237a85b18c2ff6ca064a7e9f
SHA512

31ee958a408bf98bce451b8563ca4c20a4933d76bebc890be82d4bb4e470c6e5f909d4524c818168fd6ec11028b9c9f9527435f42c83bb11836bedf44a92adf9

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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
behavioral2/memory/4772-115-0x0000000073C30000-0x0000000073C5E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4668 wrote to memory of 4772	4668	rundll32.exe	rundll32.exe
PID 4668 wrote to memory of 4772	4668	rundll32.exe	rundll32.exe
PID 4668 wrote to memory of 4772	4668	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\976c9bed071c1837b65c50318b26d8260ebc6229237a85b18c2ff6ca064a7e9f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4668

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\976c9bed071c1837b65c50318b26d8260ebc6229237a85b18c2ff6ca064a7e9f.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4772

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4772-114-0x0000000000000000-mapping.dmp

Download
memory/4772-115-0x0000000073C30000-0x0000000073C5E000-memory.dmp

Filesize
184KB

Download
memory/4772-117-0x0000000000BE0000-0x0000000000BE6000-memory.dmp

Filesize
24KB

Download