dridex | ffbc4a42ec24be83bf43add48dd248e3f1315de23b576c0c22f4d14ab0fd5f58

Analysis

max time kernel
67s
max time network
67s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:18

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General

Target

ffbc4a42ec24be83bf43add48dd248e3f1315de23b576c0c22f4d14ab0fd5f58.dll
Size

154KB
MD5

0b4db58b24a25eb509333d40770da316
SHA1

84f19d83af5a1f696c65e1b12fcc3292437f5b8b
SHA256

ffbc4a42ec24be83bf43add48dd248e3f1315de23b576c0c22f4d14ab0fd5f58
SHA512

ff727ccdf3644127510a2a69b4b2531b0bd51a2021c4c4bbed70c049f1dd1a5f1e999468c84da26e789d276b15ca7875240236579fd4185ed97c730a63cc0c71

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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
behavioral1/memory/1636-115-0x0000000073550000-0x000000007357D000-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 856 wrote to memory of 1636	856	rundll32.exe	rundll32.exe
PID 856 wrote to memory of 1636	856	rundll32.exe	rundll32.exe
PID 856 wrote to memory of 1636	856	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ffbc4a42ec24be83bf43add48dd248e3f1315de23b576c0c22f4d14ab0fd5f58.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:856

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ffbc4a42ec24be83bf43add48dd248e3f1315de23b576c0c22f4d14ab0fd5f58.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1636

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1636-114-0x0000000000000000-mapping.dmp

Download
memory/1636-115-0x0000000073550000-0x000000007357D000-memory.dmp

Filesize
180KB

Download
memory/1636-117-0x0000000000FC0000-0x0000000000FC6000-memory.dmp

Filesize
24KB

Download