dridex | a2596c088ee7ee3eca5f03a34a7d910ef304c1de275d226ce3b806cc5d98861e

Analysis

max time kernel
102s
max time network
132s
platform
windows10_x64
resource
win10v20210408
submitted
11-05-2021 10:37

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General

Target

a2596c088ee7ee3eca5f03a34a7d910ef304c1de275d226ce3b806cc5d98861e.dll
Size

161KB
MD5

b5fb623e77a6b280494ef394b677c509
SHA1

f0e2949a1c01f067fb2f46bc010b0ff424226f9d
SHA256

a2596c088ee7ee3eca5f03a34a7d910ef304c1de275d226ce3b806cc5d98861e
SHA512

35df0eb96ef5c17b032674be28bd6ff84ae0169ce29912a0faed0f5840d9169c6df865945ef3d3486b27c15484ba65c8301d35a3b94b94db814697ee7f7a04a4

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/612-115-0x0000000073D90000-0x0000000073DBE000-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 860 wrote to memory of 612	860	rundll32.exe	rundll32.exe
PID 860 wrote to memory of 612	860	rundll32.exe	rundll32.exe
PID 860 wrote to memory of 612	860	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a2596c088ee7ee3eca5f03a34a7d910ef304c1de275d226ce3b806cc5d98861e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:860

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a2596c088ee7ee3eca5f03a34a7d910ef304c1de275d226ce3b806cc5d98861e.dll,#1
2⤵
- Checks whether UAC is enabled
PID:612

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/612-114-0x0000000000000000-mapping.dmp

Download
memory/612-115-0x0000000073D90000-0x0000000073DBE000-memory.dmp

Filesize
184KB

Download
memory/612-117-0x00000000008A0000-0x00000000008A6000-memory.dmp

Filesize
24KB

Download