dridex | bf83f413c510cb1e99240183337a4056615f16d4a579d4227f74f080dffbfed0

Analysis

max time kernel
154s
max time network
133s
platform
windows10_x64
resource
win10-en-20211104
submitted
26-11-2021 09:28

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General

Target

bf83f413c510cb1e99240183337a4056615f16d4a579d4227f74f080dffbfed0.dll
Size

1.3MB
MD5

ea8f8ba711d9aed9d2f3fa4315dffb76
SHA1

234ca58512cecae30be256089c1d9f39bd55d116
SHA256

bf83f413c510cb1e99240183337a4056615f16d4a579d4227f74f080dffbfed0
SHA512

54473e1e81306e8d17317aa01cb8f184d0c82b534e8530b3bab499e27b1dc2c55b2163e61b535df817d732e74b2644e3615e0831d7e462d6f6b7e21f4c396270

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/1920-125-0x0000000000CF0000-0x0000000000CF1000-memory.dmp	dridex_stager_shellcode

Executes dropped EXE 3 IoCs

Processes:

tcmsetup.exesessionmsg.exeSndVol.exe

pid process

1984 tcmsetup.exe
3952 sessionmsg.exe
2860 SndVol.exe
Loads dropped DLL 3 IoCs

Processes:

tcmsetup.exesessionmsg.exeSndVol.exe

pid process

1984 tcmsetup.exe
3952 sessionmsg.exe
2860 SndVol.exe

pid	process
1984	tcmsetup.exe
3952	sessionmsg.exe
2860	SndVol.exe

pid	process
1984	tcmsetup.exe
3952	sessionmsg.exe
2860	SndVol.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\\SystemCertificates\\My\\CRLs\\5ZO7OZBA\\sessionmsg.exe"

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

tcmsetup.exesessionmsg.exeSndVol.exerundll32.exe

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

Modifies registry class 2 IoCs

Processes:

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance
Key created	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exetcmsetup.exe

pid	process
2716	rundll32.exe
2716	rundll32.exe
2716	rundll32.exe
2716	rundll32.exe
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1984	tcmsetup.exe
1984	tcmsetup.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

1920

pid	process
1920

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

description	pid	target process
PID 1920 wrote to memory of 1084	1920	tcmsetup.exe
PID 1920 wrote to memory of 1084	1920	tcmsetup.exe
PID 1920 wrote to memory of 1984	1920	tcmsetup.exe
PID 1920 wrote to memory of 1984	1920	tcmsetup.exe
PID 1920 wrote to memory of 3968	1920	sessionmsg.exe
PID 1920 wrote to memory of 3968	1920	sessionmsg.exe
PID 1920 wrote to memory of 3952	1920	sessionmsg.exe
PID 1920 wrote to memory of 3952	1920	sessionmsg.exe
PID 1920 wrote to memory of 1524	1920	SndVol.exe
PID 1920 wrote to memory of 1524	1920	SndVol.exe
PID 1920 wrote to memory of 2860	1920	SndVol.exe
PID 1920 wrote to memory of 2860	1920	SndVol.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf83f413c510cb1e99240183337a4056615f16d4a579d4227f74f080dffbfed0.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:2716

C:\Windows\system32\tcmsetup.exe
C:\Windows\system32\tcmsetup.exe
1⤵
PID:1084

C:\Users\Admin\AppData\Local\gZC\tcmsetup.exe
C:\Users\Admin\AppData\Local\gZC\tcmsetup.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:1984

C:\Windows\system32\sessionmsg.exe
C:\Windows\system32\sessionmsg.exe
1⤵
PID:3968

C:\Users\Admin\AppData\Local\JXURtV\sessionmsg.exe
C:\Users\Admin\AppData\Local\JXURtV\sessionmsg.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:3952

C:\Windows\system32\SndVol.exe
C:\Windows\system32\SndVol.exe
1⤵
PID:1524

C:\Users\Admin\AppData\Local\g8v\SndVol.exe
C:\Users\Admin\AppData\Local\g8v\SndVol.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2860

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\JXURtV\DUI70.dll
MD5
0930af99d9bb69a85f6300f4a319d94a

SHA1
f8b119c118ee1dd4cd221eb5177c24722da5b2b3

SHA256
2ac8d64c76ff2ff6cabee2449868a042f70c9f9e4e3c0d68a37f4792b06fc2d0

SHA512
2794358851f5b4ecefaf822cd75e5688b612e6c9b7ad0d8899223734a8522228b64dae8d835a83211140d4ff42bde8feb11584c441b5b4cbbcacf6dba02146b1

Download Submit
C:\Users\Admin\AppData\Local\JXURtV\sessionmsg.exe
MD5
c9a3d374ad75f5d9ee720412c96b6f94

SHA1
5cec5ea0e5f5a6ed7e4726fe39e50563a351c9c8

SHA256
4b54ea036af8b81b91bd4fbb04b4405d4c788f178a177201e66a7bc6fb778a0d

SHA512
a63730ef7ade9dcfa5afecefe92eb897f9bb4284049b49445f95f44228173ccd5890e65e2b6257f8c4431b468b9b1d664c5cc1b836240413a20fb7b46e49b0ec

Download Submit
C:\Users\Admin\AppData\Local\g8v\SndVol.exe
MD5
27205270f880954ac16dbe3436a8699a

SHA1
c94dee99c7a19f85be8feef0019969b972894437

SHA256
9520ffcee5ece79190dcccc9020e212d43aa6f58e2e633e2a5ed701e909abb6f

SHA512
5e9cbc33cb583c93db4df7781c8960185703da554db81b31087545cc82d4eaf7a3d94aa7aff2b9c999446c621896c264940f0b1c1b4ba0e71cb09ab3dcc6b44b

Download Submit
C:\Users\Admin\AppData\Local\g8v\dwmapi.dll
MD5
daaebfae03de262832dcf12cab474a5c

SHA1
5fccc8375f2d3652e9f6d9ccc29e56fd4a497e5f

SHA256
3d2d19c36ec671effb84e7bc7c5a49ccb4099a85299400e4768951b5ec13d65b

SHA512
5d8d5bc83c2ade2d8dbbe36ff0aa92a75e29bad840f2b47e56ce758126dfb661048f95e34fdcece36c685f009bc9dbf34cde6dff89a8034a5093145aa6434504

Download Submit
C:\Users\Admin\AppData\Local\gZC\TAPI32.dll
MD5
68384c06f836614dc416891bee821833

SHA1
b6c7f82632f140990c6d6dac76dd64e00b04ca12

SHA256
eed751952469985cd50b3d061530a04d2fe1a45a13c6b527803f4ba9e257200e

SHA512
99e71bec9cceb2559a72f057aa01f7383ba4c3c89ec1d04459e55cc2ffa19e5c9d43f6376efaa27b86521f57fd563aa179c2587e83c07c7a5c042eab91d19393

Download Submit
C:\Users\Admin\AppData\Local\gZC\tcmsetup.exe
MD5
2df4ef3fb9a10b575a7c7fbbd3a9ffed

SHA1
3e1d2598322e784415265d2ccfa66a025ee080b6

SHA256
c0843fbd99489006f95f2fbd39814f9b642212b5af44a553e6359f243250f172

SHA512
64b2337d61424cae1d8bc3f7b5db4d2b5524b735b6ac84597644a6c31270d93e3e53fd0512f0b0e75bf6cf05fa74c8eb670e416e75a3e523cb7968754eac55e9

Download Submit
\Users\Admin\AppData\Local\JXURtV\DUI70.dll
MD5
0930af99d9bb69a85f6300f4a319d94a

SHA1
f8b119c118ee1dd4cd221eb5177c24722da5b2b3

SHA256
2ac8d64c76ff2ff6cabee2449868a042f70c9f9e4e3c0d68a37f4792b06fc2d0

SHA512
2794358851f5b4ecefaf822cd75e5688b612e6c9b7ad0d8899223734a8522228b64dae8d835a83211140d4ff42bde8feb11584c441b5b4cbbcacf6dba02146b1

Download Submit
\Users\Admin\AppData\Local\g8v\dwmapi.dll
MD5
daaebfae03de262832dcf12cab474a5c

SHA1
5fccc8375f2d3652e9f6d9ccc29e56fd4a497e5f

SHA256
3d2d19c36ec671effb84e7bc7c5a49ccb4099a85299400e4768951b5ec13d65b

SHA512
5d8d5bc83c2ade2d8dbbe36ff0aa92a75e29bad840f2b47e56ce758126dfb661048f95e34fdcece36c685f009bc9dbf34cde6dff89a8034a5093145aa6434504

Download Submit
\Users\Admin\AppData\Local\gZC\TAPI32.dll
MD5
68384c06f836614dc416891bee821833

SHA1
b6c7f82632f140990c6d6dac76dd64e00b04ca12

SHA256
eed751952469985cd50b3d061530a04d2fe1a45a13c6b527803f4ba9e257200e

SHA512
99e71bec9cceb2559a72f057aa01f7383ba4c3c89ec1d04459e55cc2ffa19e5c9d43f6376efaa27b86521f57fd563aa179c2587e83c07c7a5c042eab91d19393

Download Submit
memory/1920-151-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-161-0x00007FF8B5A20000-0x00007FF8B5A22000-memory.dmp

Filesize
8KB

Download
memory/1920-132-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-134-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-133-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-135-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-136-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-137-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-138-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-139-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-141-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-140-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-143-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-142-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-144-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-145-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-146-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-147-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-148-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-149-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-150-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-195-0x0000000000CD0000-0x0000000000CD2000-memory.dmp

Filesize
8KB

Download
memory/1920-152-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-158-0x0000000000CD0000-0x0000000000CD2000-memory.dmp

Filesize
8KB

Download
memory/1920-157-0x0000000000CD0000-0x0000000000CD2000-memory.dmp

Filesize
8KB

Download
memory/1920-159-0x00007FF8B58E5000-0x00007FF8B58E6000-memory.dmp

Filesize
4KB

Download
memory/1920-160-0x0000000000CD0000-0x0000000000CD2000-memory.dmp

Filesize
8KB

Download
memory/1920-131-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-125-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

Filesize
4KB

Download
memory/1920-130-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-129-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-127-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-128-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1920-126-0x0000000140000000-0x0000000140156000-memory.dmp

Filesize
1.3MB

Download
memory/1984-162-0x0000000000000000-mapping.dmp

Download
memory/1984-172-0x000002E32FB00000-0x000002E32FB02000-memory.dmp

Filesize
8KB

Download
memory/1984-171-0x000002E32FB00000-0x000002E32FB02000-memory.dmp

Filesize
8KB

Download
memory/1984-170-0x000002E32FB00000-0x000002E32FB02000-memory.dmp

Filesize
8KB

Download
memory/1984-166-0x00007FF8A94E0000-0x00007FF8A9638000-memory.dmp

Filesize
1.3MB

Download
memory/2716-122-0x0000025F186A0000-0x0000025F186A2000-memory.dmp

Filesize
8KB

Download
memory/2716-118-0x00007FF8A94E0000-0x00007FF8A9636000-memory.dmp

Filesize
1.3MB

Download
memory/2716-124-0x0000025F185F0000-0x0000025F185F7000-memory.dmp

Filesize
28KB

Download
memory/2716-123-0x0000025F186A0000-0x0000025F186A2000-memory.dmp

Filesize
8KB

Download
memory/2860-188-0x00007FF8A94E0000-0x00007FF8A9637000-memory.dmp

Filesize
1.3MB

Download
memory/2860-194-0x000002311CDB0000-0x000002311CDB2000-memory.dmp

Filesize
8KB

Download
memory/2860-193-0x000002311CDB0000-0x000002311CDB2000-memory.dmp

Filesize
8KB

Download
memory/2860-184-0x0000000000000000-mapping.dmp

Download
memory/2860-192-0x000002311CDB0000-0x000002311CDB2000-memory.dmp

Filesize
8KB

Download
memory/3952-183-0x000001957BE80000-0x000001957BE82000-memory.dmp

Filesize
8KB

Download
memory/3952-173-0x0000000000000000-mapping.dmp

Download
memory/3952-177-0x00007FF8A94A0000-0x00007FF8A963C000-memory.dmp

Filesize
1.6MB

Download
memory/3952-182-0x000001957BE80000-0x000001957BE82000-memory.dmp

Filesize
8KB

Download
memory/3952-181-0x000001957BE80000-0x000001957BE82000-memory.dmp

Filesize
8KB

Download