dridex | e90708da402aba89dbc768fdd48e5df0e040c56ea1207a11e5a32c89ac9b9f58

General

Target

e90708da402aba89dbc768fdd48e5df0e040c56ea1207a11e5a32c89ac9b9f58.dll
Size

188KB
MD5

cb1b67268527996a57488637539ede60
SHA1

399f44029b2b1b9f223756a553c9755ad034d171
SHA256

e90708da402aba89dbc768fdd48e5df0e040c56ea1207a11e5a32c89ac9b9f58
SHA512

68d917fe0bd474de6f4e07b0f7a0e3cd9c01ada2ebba6478e1c3e6cc123086e8508f22d9e4e0f5e286fbd6d66e3c23588210689bf85f4429d0cca7aaac728f18

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

C2

209.151.236.42:443

91.121.94.86:8172

5.189.144.136:6516

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1248-5-0x0000000074FA0000-0x0000000074FD1000-memory.dmp	dridex_ldr
behavioral1/memory/1248-7-0x0000000074FA0000-0x0000000074FBF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

5 1248 rundll32.exe
7 1248 rundll32.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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

flow	pid	process
5	1248	rundll32.exe
7	1248	rundll32.exe

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

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1832 wrote to memory of 1248	1832	rundll32.exe	rundll32.exe
PID 1832 wrote to memory of 1248	1832	rundll32.exe	rundll32.exe
PID 1832 wrote to memory of 1248	1832	rundll32.exe	rundll32.exe
PID 1832 wrote to memory of 1248	1832	rundll32.exe	rundll32.exe
PID 1832 wrote to memory of 1248	1832	rundll32.exe	rundll32.exe
PID 1832 wrote to memory of 1248	1832	rundll32.exe	rundll32.exe
PID 1832 wrote to memory of 1248	1832	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e90708da402aba89dbc768fdd48e5df0e040c56ea1207a11e5a32c89ac9b9f58.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1832

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e90708da402aba89dbc768fdd48e5df0e040c56ea1207a11e5a32c89ac9b9f58.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1248

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/308-8-0x000007FEF7F80000-0x000007FEF81FA000-memory.dmp

Filesize
2.5MB

Download
memory/1248-2-0x0000000000000000-mapping.dmp

Download
memory/1248-3-0x0000000076191000-0x0000000076193000-memory.dmp

Filesize
8KB

Download
memory/1248-4-0x0000000074C30000-0x0000000074DD3000-memory.dmp

Filesize
1.6MB

Download
memory/1248-5-0x0000000074FA0000-0x0000000074FD1000-memory.dmp

Filesize
196KB

Download
memory/1248-6-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/1248-7-0x0000000074FA0000-0x0000000074FBF000-memory.dmp

Filesize
124KB

Download

Analysis

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