dridex | c876113220b534ba1da612f3ca0eb30a735548a20e6b70b5bf547bc7ce3e1794

Analysis

max time kernel
163s
max time network
143s
platform
windows10_x64
resource
win10-en-20211104
submitted
26-11-2021 09:26

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General

Target

c876113220b534ba1da612f3ca0eb30a735548a20e6b70b5bf547bc7ce3e1794.dll
Size

1.5MB
MD5

9b7b23ecfe0f8461fd0d9a7e5e590e31
SHA1

616a00949db4ce3fb3e13ddfda0f288ad39d2877
SHA256

c876113220b534ba1da612f3ca0eb30a735548a20e6b70b5bf547bc7ce3e1794
SHA512

1f715cf068481951a697caa17ed94ddf3afec21186de5674d4d138a2ae8635e8f5879053fca0ec99bf33169737d8298146f000702a900487a8c5f45d5bc53875

Score

10^/10

dridex botnet evasion payload persistence trojan

Malware Config

Signatures

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

Dridex Shellcode 1 IoCs

Detects Dridex Payload shellcode injected in Explorer process.

botnet payload

Processes:

resource	yara_rule
behavioral2/memory/3056-124-0x0000000000660000-0x0000000000661000-memory.dmp	dridex_stager_shellcode

Executes dropped EXE 3 IoCs

Processes:

Magnify.exeRdpSaUacHelper.exeMagnify.exe

pid process

1272 Magnify.exe
1660 RdpSaUacHelper.exe
1104 Magnify.exe
Loads dropped DLL 3 IoCs

Processes:

Magnify.exeRdpSaUacHelper.exeMagnify.exe

pid process

1272 Magnify.exe
1660 RdpSaUacHelper.exe
1104 Magnify.exe

pid	process
1272	Magnify.exe
1660	RdpSaUacHelper.exe
1104	Magnify.exe

pid	process
1272	Magnify.exe
1660	RdpSaUacHelper.exe
1104	Magnify.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ziekmjidk = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Recent\\CustomDestinations\\lyNW2wUZ\\RdpSaUacHelper.exe"

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

RdpSaUacHelper.exeMagnify.exerundll32.exeMagnify.exe

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

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exe

pid	process
3764	rundll32.exe
3764	rundll32.exe
3764	rundll32.exe
3764	rundll32.exe
3056
3056
3056
3056
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3056

Suspicious behavior: GetForegroundWindowSpam 5 IoCs

Processes:

rundll32.exeMagnify.exeRdpSaUacHelper.exeMagnify.exe

pid process

3764 rundll32.exe
3056
1272 Magnify.exe
1660 RdpSaUacHelper.exe
1104 Magnify.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

description	pid	target process
PID 3056 wrote to memory of 1276	3056	Magnify.exe
PID 3056 wrote to memory of 1276	3056	Magnify.exe
PID 3056 wrote to memory of 1272	3056	Magnify.exe
PID 3056 wrote to memory of 1272	3056	Magnify.exe
PID 3056 wrote to memory of 1500	3056	RdpSaUacHelper.exe
PID 3056 wrote to memory of 1500	3056	RdpSaUacHelper.exe
PID 3056 wrote to memory of 1660	3056	RdpSaUacHelper.exe
PID 3056 wrote to memory of 1660	3056	RdpSaUacHelper.exe
PID 3056 wrote to memory of 720	3056	Magnify.exe
PID 3056 wrote to memory of 720	3056	Magnify.exe
PID 3056 wrote to memory of 1104	3056	Magnify.exe
PID 3056 wrote to memory of 1104	3056	Magnify.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c876113220b534ba1da612f3ca0eb30a735548a20e6b70b5bf547bc7ce3e1794.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
PID:3764

C:\Windows\system32\Magnify.exe
C:\Windows\system32\Magnify.exe
1⤵
PID:1276

C:\Users\Admin\AppData\Local\HWS\Magnify.exe
C:\Users\Admin\AppData\Local\HWS\Magnify.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious behavior: GetForegroundWindowSpam
PID:1272

C:\Windows\system32\RdpSaUacHelper.exe
C:\Windows\system32\RdpSaUacHelper.exe
1⤵
PID:1500

C:\Users\Admin\AppData\Local\bczZecb\RdpSaUacHelper.exe
C:\Users\Admin\AppData\Local\bczZecb\RdpSaUacHelper.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious behavior: GetForegroundWindowSpam
PID:1660

C:\Windows\system32\Magnify.exe
C:\Windows\system32\Magnify.exe
1⤵
PID:720

C:\Users\Admin\AppData\Local\CXmBroCG\Magnify.exe
C:\Users\Admin\AppData\Local\CXmBroCG\Magnify.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious behavior: GetForegroundWindowSpam
PID:1104

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\CXmBroCG\Magnify.exe

MD5
0c3925b9a284f0dd02571d0d2bca19ee

SHA1
a73451bb2ddd09397cb7737d36a75c0cdfdf9d51

SHA256
41e91d736995628275261aa1adb14158e0783b36c913ef5fc681da105a4272cc

SHA512
db02a3211b1b2cf7b10cd70148404106be6cb4a63c7c0c0526256f983c3ad756c157a67848173208e7c0d88a8f34b73c42d37b24f5cc1f9da66731731a534a72

Download Submit
C:\Users\Admin\AppData\Local\CXmBroCG\OLEACC.dll

MD5
be2b908ea709252a7d6e48826c6f4eb9

SHA1
b1adcae7e16bd74848f568d58ea4bc601c8f8ed3

SHA256
dc55fcd4f459e056ca687ee8a78589ff88d3160f5bdfc14b59f80f585a466b5f

SHA512
fad070839dce8a7255f39134c147e2fb9c39e924735dc32fa001815b5705223eae9a842e4ca0a38f0cbf442651d7b8d567007b6b4e4bdb507cd616816a6b440d

Download Submit
C:\Users\Admin\AppData\Local\HWS\DUI70.dll

MD5
b19279254e270cfd7b785a7b53f930ff

SHA1
2736eadf5bdbb4a38519243ebb460d60148a00b0

SHA256
5392b39662e0885caff964317938470a876a092158474527a35cd1f95d9c9ada

SHA512
3268c310d2f6213861e72ad751a1cb832eaf54b7f2d834c1302dfd0f927789c7b0f7d2da379d15f7e011037107ddb5cd7a83d12c6e899dd27a6cf64c7d035cd5

Download Submit
C:\Users\Admin\AppData\Local\HWS\Magnify.exe

MD5
0c3925b9a284f0dd02571d0d2bca19ee

SHA1
a73451bb2ddd09397cb7737d36a75c0cdfdf9d51

SHA256
41e91d736995628275261aa1adb14158e0783b36c913ef5fc681da105a4272cc

SHA512
db02a3211b1b2cf7b10cd70148404106be6cb4a63c7c0c0526256f983c3ad756c157a67848173208e7c0d88a8f34b73c42d37b24f5cc1f9da66731731a534a72

Download Submit
C:\Users\Admin\AppData\Local\bczZecb\RdpSaUacHelper.exe

MD5
0e8c26287144226d1e9db0d3fd02102f

SHA1
2c800a7226c1e6f29c26899525c7c2d1eb850943

SHA256
4e190c57b28faba314b89b0504c82f578bd988478807ba5b1ada1cd238f8aac0

SHA512
673559d1c321950187625b04a04f8708ed50f13f84f0f7470b55552374b32ae4a382bd30671029513077f65cd32f50577653e87bf272c706476d20785f976236

Download Submit
C:\Users\Admin\AppData\Local\bczZecb\WINSTA.dll

MD5
dd34f3feea11bc5f25976eb42549118e

SHA1
2f3e6f083dbe439c6e364fa20f4d5fd2d84eb413

SHA256
4b396ec3d314f581d0e7d3bc1a4e78e4162410901ca5773467db23f3bdc39763

SHA512
0cb2eb6635cbe128f3c1fcdf9c483ebfaa4e61159e63a0f87fc251a061911b746280822b9f9d6aff597e543febf1a92a506855ca0c66d800d5a17b018ac486f3

Download Submit
\Users\Admin\AppData\Local\CXmBroCG\OLEACC.dll

MD5
be2b908ea709252a7d6e48826c6f4eb9

SHA1
b1adcae7e16bd74848f568d58ea4bc601c8f8ed3

SHA256
dc55fcd4f459e056ca687ee8a78589ff88d3160f5bdfc14b59f80f585a466b5f

SHA512
fad070839dce8a7255f39134c147e2fb9c39e924735dc32fa001815b5705223eae9a842e4ca0a38f0cbf442651d7b8d567007b6b4e4bdb507cd616816a6b440d

Download Submit
\Users\Admin\AppData\Local\HWS\DUI70.dll

MD5
b19279254e270cfd7b785a7b53f930ff

SHA1
2736eadf5bdbb4a38519243ebb460d60148a00b0

SHA256
5392b39662e0885caff964317938470a876a092158474527a35cd1f95d9c9ada

SHA512
3268c310d2f6213861e72ad751a1cb832eaf54b7f2d834c1302dfd0f927789c7b0f7d2da379d15f7e011037107ddb5cd7a83d12c6e899dd27a6cf64c7d035cd5

Download Submit
\Users\Admin\AppData\Local\bczZecb\WINSTA.dll

MD5
dd34f3feea11bc5f25976eb42549118e

SHA1
2f3e6f083dbe439c6e364fa20f4d5fd2d84eb413

SHA256
4b396ec3d314f581d0e7d3bc1a4e78e4162410901ca5773467db23f3bdc39763

SHA512
0cb2eb6635cbe128f3c1fcdf9c483ebfaa4e61159e63a0f87fc251a061911b746280822b9f9d6aff597e543febf1a92a506855ca0c66d800d5a17b018ac486f3

Download Submit
memory/1104-177-0x0000000140000000-0x0000000140176000-memory.dmp

Filesize
1.5MB

Download
memory/1104-180-0x0000025FD8140000-0x0000025FD8142000-memory.dmp

Filesize
8KB

Download
memory/1104-181-0x0000025FD8140000-0x0000025FD8142000-memory.dmp

Filesize
8KB

Download
memory/1104-173-0x0000000000000000-mapping.dmp

Download
memory/1104-182-0x0000025FD8140000-0x0000025FD8142000-memory.dmp

Filesize
8KB

Download
memory/1272-161-0x0000020A64AB0000-0x0000020A64AB2000-memory.dmp

Filesize
8KB

Download
memory/1272-162-0x0000020A64AB0000-0x0000020A64AB2000-memory.dmp

Filesize
8KB

Download
memory/1272-153-0x0000000000000000-mapping.dmp

Download
memory/1272-160-0x0000020A64AB0000-0x0000020A64AB2000-memory.dmp

Filesize
8KB

Download
memory/1272-157-0x0000000140000000-0x00000001401BB000-memory.dmp

Filesize
1.7MB

Download
memory/1660-167-0x0000000140000000-0x0000000140177000-memory.dmp

Filesize
1.5MB

Download
memory/1660-163-0x0000000000000000-mapping.dmp

Download
memory/1660-170-0x000001D29C980000-0x000001D29C982000-memory.dmp

Filesize
8KB

Download
memory/1660-171-0x000001D29C980000-0x000001D29C982000-memory.dmp

Filesize
8KB

Download
memory/1660-172-0x000001D29C980000-0x000001D29C982000-memory.dmp

Filesize
8KB

Download
memory/3056-136-0x0000000140000000-0x0000000140175000-memory.dmp

Filesize
1.5MB

Download
memory/3056-134-0x0000000140000000-0x0000000140175000-memory.dmp

Filesize
1.5MB

Download
memory/3056-151-0x0000000000670000-0x0000000000672000-memory.dmp

Filesize
8KB

Download
memory/3056-152-0x00007FFDD47D0000-0x00007FFDD47D2000-memory.dmp

Filesize
8KB

Download
memory/3056-149-0x0000000000670000-0x0000000000672000-memory.dmp

Filesize
8KB

Download
memory/3056-148-0x0000000000670000-0x0000000000672000-memory.dmp

Filesize
8KB

Download
memory/3056-142-0x0000000140000000-0x0000000140175000-memory.dmp

Filesize
1.5MB

Download
memory/3056-141-0x0000000140000000-0x0000000140175000-memory.dmp

Filesize
1.5MB

Download
memory/3056-127-0x0000000140000000-0x0000000140175000-memory.dmp

Filesize
1.5MB

Download
memory/3056-140-0x0000000140000000-0x0000000140175000-memory.dmp

Filesize
1.5MB

Download
memory/3056-129-0x0000000140000000-0x0000000140175000-memory.dmp

Filesize
1.5MB

Download
memory/3056-138-0x0000000140000000-0x0000000140175000-memory.dmp

Filesize
1.5MB

Download
memory/3056-139-0x0000000140000000-0x0000000140175000-memory.dmp

Filesize
1.5MB

Download
memory/3056-150-0x00007FFDD4695000-0x00007FFDD4696000-memory.dmp

Filesize
4KB

Download
memory/3056-137-0x0000000140000000-0x0000000140175000-memory.dmp

Filesize
1.5MB

Download
memory/3056-124-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/3056-135-0x0000000140000000-0x0000000140175000-memory.dmp

Filesize
1.5MB

Download
memory/3056-133-0x0000000140000000-0x0000000140175000-memory.dmp

Filesize
1.5MB

Download
memory/3056-132-0x0000000140000000-0x0000000140175000-memory.dmp

Filesize
1.5MB

Download
memory/3056-130-0x0000000140000000-0x0000000140175000-memory.dmp

Filesize
1.5MB

Download
memory/3056-131-0x0000000140000000-0x0000000140175000-memory.dmp

Filesize
1.5MB

Download
memory/3056-128-0x0000000140000000-0x0000000140175000-memory.dmp

Filesize
1.5MB

Download
memory/3056-126-0x0000000140000000-0x0000000140175000-memory.dmp

Filesize
1.5MB

Download
memory/3056-125-0x0000000140000000-0x0000000140175000-memory.dmp

Filesize
1.5MB

Download
memory/3764-118-0x0000000140000000-0x0000000140175000-memory.dmp

Filesize
1.5MB

Download
memory/3764-123-0x000001E2BA3F0000-0x000001E2BA3F7000-memory.dmp

Filesize
28KB

Download
memory/3764-122-0x000001E2BA400000-0x000001E2BA402000-memory.dmp

Filesize
8KB

Download
memory/3764-121-0x000001E2BA400000-0x000001E2BA402000-memory.dmp

Filesize
8KB

Download