dridex | 075ab26a20020aabdf6ff42b86a7b852167bc3ecdb5bf72f7891bd639779b285

General

Target

075ab26a20020aabdf6ff42b86a7b852167bc3ecdb5bf72f7891bd639779b285.dll
Size

720KB
MD5

547cff20a7fecb219285e1cc582b413c
SHA1

4407b461b33bfaf3092ac7d8a8d9621ed2fb6200
SHA256

075ab26a20020aabdf6ff42b86a7b852167bc3ecdb5bf72f7891bd639779b285
SHA512

a0f789c5641cb62335567f533a8b86e8da02a5b66698e9e1cf21927161861f6a74b847f115c73c35c4d19dffec12cefaf90f5a9783b1824b52481cc49b3a841e
SSDEEP

12288:5qJ4FzHTx8cOjEIonNgQLtXKFg2t/KRi4Baed:5qGBHTxvt+g2gYed

Score

10^/10

dridex botnet evasion payload persistence privilege_escalation 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
behavioral1/memory/1196-4-0x0000000002D00000-0x0000000002D01000-memory.dmp	dridex_stager_shellcode

Dridex payload 9 IoCs

Detects Dridex x64 core DLL in memory.

botnet payload

Processes:

resource	yara_rule
behavioral1/memory/2896-0-0x0000000140000000-0x00000001400B4000-memory.dmp	dridex_payload
behavioral1/memory/1196-23-0x0000000140000000-0x00000001400B4000-memory.dmp	dridex_payload
behavioral1/memory/1196-34-0x0000000140000000-0x00000001400B4000-memory.dmp	dridex_payload
behavioral1/memory/1196-35-0x0000000140000000-0x00000001400B4000-memory.dmp	dridex_payload
behavioral1/memory/2896-43-0x0000000140000000-0x00000001400B4000-memory.dmp	dridex_payload
behavioral1/memory/2676-53-0x0000000140000000-0x00000001400B5000-memory.dmp	dridex_payload
behavioral1/memory/2676-57-0x0000000140000000-0x00000001400B5000-memory.dmp	dridex_payload
behavioral1/memory/3016-74-0x0000000140000000-0x00000001400B5000-memory.dmp	dridex_payload
behavioral1/memory/2944-90-0x0000000140000000-0x00000001400B5000-memory.dmp	dridex_payload

Executes dropped EXE 3 IoCs

Processes:

psr.exesethc.exeBdeUISrv.exe

pid process

2676 psr.exe
3016 sethc.exe
2944 BdeUISrv.exe
Loads dropped DLL 7 IoCs

Processes:

psr.exesethc.exeBdeUISrv.exe

pid process

1196
2676 psr.exe
1196
3016 sethc.exe
1196
2944 BdeUISrv.exe
1196

pid	process
2676	psr.exe
3016	sethc.exe
2944	BdeUISrv.exe

pid	process
1196
2676	psr.exe
1196
3016	sethc.exe
1196
2944	BdeUISrv.exe
1196

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\Wtobeyey = "C:\\Users\\Admin\\AppData\\Roaming\\MICROS~1\\INTERN~1\\QUICKL~1\\USERPI~1\\IMPLIC~1\\QDaX0qEt\\sethc.exe"

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

psr.exesethc.exeBdeUISrv.exerundll32.exe

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

Event Triggered Execution: Accessibility Features 1 TTPs
Windows contains accessibility features that may be used by adversaries to establish persistence and/or elevate privileges.
persistence privilege_escalation

Accessibility Features
T1546.008

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exe

pid	process
2896	rundll32.exe
2896	rundll32.exe
2896	rundll32.exe
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
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1196
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1196
1196
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1196
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1196
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1196
1196
1196
1196
1196
1196
1196
1196
1196

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

description	pid	target process
PID 1196 wrote to memory of 2628	1196	psr.exe
PID 1196 wrote to memory of 2628	1196	psr.exe
PID 1196 wrote to memory of 2628	1196	psr.exe
PID 1196 wrote to memory of 2676	1196	psr.exe
PID 1196 wrote to memory of 2676	1196	psr.exe
PID 1196 wrote to memory of 2676	1196	psr.exe
PID 1196 wrote to memory of 2824	1196	sethc.exe
PID 1196 wrote to memory of 2824	1196	sethc.exe
PID 1196 wrote to memory of 2824	1196	sethc.exe
PID 1196 wrote to memory of 3016	1196	sethc.exe
PID 1196 wrote to memory of 3016	1196	sethc.exe
PID 1196 wrote to memory of 3016	1196	sethc.exe
PID 1196 wrote to memory of 2552	1196	BdeUISrv.exe
PID 1196 wrote to memory of 2552	1196	BdeUISrv.exe
PID 1196 wrote to memory of 2552	1196	BdeUISrv.exe
PID 1196 wrote to memory of 2944	1196	BdeUISrv.exe
PID 1196 wrote to memory of 2944	1196	BdeUISrv.exe
PID 1196 wrote to memory of 2944	1196	BdeUISrv.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\075ab26a20020aabdf6ff42b86a7b852167bc3ecdb5bf72f7891bd639779b285.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:2896

C:\Windows\system32\psr.exe
C:\Windows\system32\psr.exe
1⤵
PID:2628

C:\Users\Admin\AppData\Local\MlnKZLAWq\psr.exe
C:\Users\Admin\AppData\Local\MlnKZLAWq\psr.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2676

C:\Windows\system32\sethc.exe
C:\Windows\system32\sethc.exe
1⤵
PID:2824

C:\Users\Admin\AppData\Local\ld4NHIWiC\sethc.exe
C:\Users\Admin\AppData\Local\ld4NHIWiC\sethc.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:3016

C:\Windows\system32\BdeUISrv.exe
C:\Windows\system32\BdeUISrv.exe
1⤵
PID:2552

C:\Users\Admin\AppData\Local\bUQN4HCT\BdeUISrv.exe
C:\Users\Admin\AppData\Local\bUQN4HCT\BdeUISrv.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Accessibility Features

1

T1546.008

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Accessibility Features

1

T1546.008

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\MlnKZLAWq\XmlLite.dll

Filesize
724KB

MD5
54c74f550e4bc739ede8637e24f3b4e5

SHA1
f29c6c882c5c6c33d315dbdc1f69c84cf5ffde65

SHA256
6f9a6e727ec10475f7a6af8177856bd8e60acf52d86271d0492f664c46afff8e

SHA512
cf85773270bb7bc257047d955008d0f13e8ed9e36e807bd5118eeeb7799d3033611486f3178586a1e233012add182cf233ffd21077249b614344b9df08e5c78c

Download Submit
C:\Users\Admin\AppData\Local\bUQN4HCT\WTSAPI32.dll

Filesize
724KB

MD5
ed290989572e5a3c2df0146b7378d266

SHA1
f86d0ab61127d800fecae6b53f636cf287983538

SHA256
43222f0be36f50371df387cae660de19a77bb81ac1f851c3f2d688befd59c42e

SHA512
65edc4cc7f76512d2e8b534e3d9d3970ac2408921811874c8a453c7b951003bab31ef4101d4bb73f5f3ec3993cf897e25d28b9574504b7a4bb667bdd0d02b023

Download Submit
C:\Users\Admin\AppData\Local\ld4NHIWiC\UxTheme.dll

Filesize
724KB

MD5
9a4db5b8dc792ed7b11b0a2f2af2195d

SHA1
d3c6513203c1c37ef1fd0af18cb5dd1491cd4852

SHA256
beb0e9984131c907b3460118f05040bc3d639d8990f1e8cd61003b6859b68107

SHA512
8da13a0ed74ddf4a423e197e03ac166ea77129a9b699c85bcb0101eb58bcb6202c98573cf3f3124a0c61e23d2b2161d543cf6f6f6b460108bf4d0cb7a37fdf89

Download Submit
C:\Users\Admin\AppData\Local\ld4NHIWiC\sethc.exe

Filesize
272KB

MD5
3bcb70da9b5a2011e01e35ed29a3f3f3

SHA1
9daecb1ee5d7cbcf46ee154dd642fcd993723a9b

SHA256
dd94bf73f0e3652b76cfb774b419ceaa2082bc7f30cc34e28dfa51952fa9ccb5

SHA512
69d231132f488fd7033349f232db1207f88f1d5cb84f5422adf0dd5fb7b373dada8fdfac7760b8845e5aab00a7ae56f24d66bbb8aa70c3c8de6ec5c31982b4df

Download Submit
C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Ykefwsdudlbqds.lnk

Filesize
1KB

MD5
d81957d78c33003337c242d038c8f357

SHA1
56f559b93172b75545badc48b8d7857cbf8d82ec

SHA256
06395a0c924695d18d96c9ec77d2a3e84968f72a4f8e2adc608533d7c5683fc4

SHA512
665b1d89314eb0eeb3a3d968d6193cfe9a6ac893cf4ecafdcab52c4f725c705972b1c68fdf56c073d892e8c0ea7a46318fc6dd3e94054077797409eb18e4ed85

Download Submit
\Users\Admin\AppData\Local\MlnKZLAWq\psr.exe

Filesize
715KB

MD5
a80527109d75cba125d940b007eea151

SHA1
facf32a9ede6abfaa09368bfdfcfec8554107272

SHA256
68910f8aae867e938b6a3b76cdf176898ba275d9ade85b4ce00b03232de4c495

SHA512
77b86a597c33af8d3fbd9711f4abe6e0ca33b86279b1d28a25dcf3545a34b221be1ad7d11004d016203809cead1ebfd4b7e889ee9df2efc100eabf77963c1774

Download Submit
\Users\Admin\AppData\Local\bUQN4HCT\BdeUISrv.exe

Filesize
47KB

MD5
1da6b19be5d4949c868a264bc5e74206

SHA1
d5ee86ba03a03ef8c93d93accafe40461084c839

SHA256
00330a0e0eb1dbb6ee84997963f8e15c7c15c1df787f1c7f109609d7b31bd35c

SHA512
9cee858c55eb0852e5bad53a675a094ae591b46b07afe9fb4224cac32e0be577fe36c1ed3e9f6bda4d4eb0c924a773d00e3181cd97f07e24c6c68c70f2b002c6

Download Submit
memory/1196-24-0x00000000773C0000-0x00000000773C2000-memory.dmp

Filesize
8KB

Download
memory/1196-44-0x0000000077156000-0x0000000077157000-memory.dmp

Filesize
4KB

Download
memory/1196-11-0x0000000140000000-0x00000001400B4000-memory.dmp

Filesize
720KB

Download
memory/1196-10-0x0000000140000000-0x00000001400B4000-memory.dmp

Filesize
720KB

Download
memory/1196-8-0x0000000140000000-0x00000001400B4000-memory.dmp

Filesize
720KB

Download
memory/1196-7-0x0000000140000000-0x00000001400B4000-memory.dmp

Filesize
720KB

Download
memory/1196-9-0x0000000140000000-0x00000001400B4000-memory.dmp

Filesize
720KB

Download
memory/1196-23-0x0000000140000000-0x00000001400B4000-memory.dmp

Filesize
720KB

Download
memory/1196-25-0x00000000773F0000-0x00000000773F2000-memory.dmp

Filesize
8KB

Download
memory/1196-3-0x0000000077156000-0x0000000077157000-memory.dmp

Filesize
4KB

Download
memory/1196-34-0x0000000140000000-0x00000001400B4000-memory.dmp

Filesize
720KB

Download
memory/1196-35-0x0000000140000000-0x00000001400B4000-memory.dmp

Filesize
720KB

Download
memory/1196-4-0x0000000002D00000-0x0000000002D01000-memory.dmp

Filesize
4KB

Download
memory/1196-12-0x0000000140000000-0x00000001400B4000-memory.dmp

Filesize
720KB

Download
memory/1196-13-0x0000000140000000-0x00000001400B4000-memory.dmp

Filesize
720KB

Download
memory/1196-22-0x0000000002CE0000-0x0000000002CE7000-memory.dmp

Filesize
28KB

Download
memory/1196-6-0x0000000140000000-0x00000001400B4000-memory.dmp

Filesize
720KB

Download
memory/1196-14-0x0000000140000000-0x00000001400B4000-memory.dmp

Filesize
720KB

Download
memory/2676-57-0x0000000140000000-0x00000001400B5000-memory.dmp

Filesize
724KB

Download
memory/2676-53-0x0000000140000000-0x00000001400B5000-memory.dmp

Filesize
724KB

Download
memory/2676-52-0x0000000000510000-0x0000000000517000-memory.dmp

Filesize
28KB

Download
memory/2896-43-0x0000000140000000-0x00000001400B4000-memory.dmp

Filesize
720KB

Download
memory/2896-2-0x0000000000110000-0x0000000000117000-memory.dmp

Filesize
28KB

Download
memory/2896-0-0x0000000140000000-0x00000001400B4000-memory.dmp

Filesize
720KB

Download
memory/2944-90-0x0000000140000000-0x00000001400B5000-memory.dmp

Filesize
724KB

Download
memory/3016-71-0x0000000001F30000-0x0000000001F37000-memory.dmp

Filesize
28KB

Download
memory/3016-74-0x0000000140000000-0x00000001400B5000-memory.dmp

Filesize
724KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads