dridex | 80b2c8b6a99129cf3c8de8ab7b21f4cb2c6f0dc9569b58aa1416d7a9057a314f

General

Target

6a4e5486af546391e45412c333bbe6c8_JaffaCakes118.dll
Size

1.2MB
MD5

6a4e5486af546391e45412c333bbe6c8
SHA1

b93d409fc83ab378bba92cd0c6ca012cfd821f95
SHA256

80b2c8b6a99129cf3c8de8ab7b21f4cb2c6f0dc9569b58aa1416d7a9057a314f
SHA512

b8cdf8bc9b75c7cf3567106b5585ebda71503bbed0f664b7422214d76252158fde10508909e6511e2c35ecdd7e691c285219282402812a855e4bbf9432fae144
SSDEEP

24576:mVHchfFcSTdS1ZikTqpaIJvzSqbY/0Z2ZlECMNXkTlzvmJL8at:mV8hf6STw1ZlQauvzSq01ICe6zvm

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
behavioral1/memory/1196-5-0x0000000002E30000-0x0000000002E31000-memory.dmp	dridex_stager_shellcode

Executes dropped EXE 3 IoCs

Processes:

rdpshell.exesethc.exemsinfo32.exe

pid process

2744 rdpshell.exe
632 sethc.exe
548 msinfo32.exe
Loads dropped DLL 7 IoCs

Processes:

rdpshell.exesethc.exemsinfo32.exe

pid process

1196
2744 rdpshell.exe
1196
632 sethc.exe
1196
548 msinfo32.exe
1196

pid	process
2744	rdpshell.exe
632	sethc.exe
548	msinfo32.exe

pid	process
1196
2744	rdpshell.exe
1196
632	sethc.exe
1196
548	msinfo32.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-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ybhspkdtbke = "C:\\Users\\Admin\\AppData\\Roaming\\MICROS~1\\Windows\\STARTM~1\\Programs\\QDLSLB~1\\sethc.exe"

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

rundll32.exerdpshell.exesethc.exemsinfo32.exe

description	ioc	process
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	rdpshell.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	msinfo32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exe

pid	process
2864	rundll32.exe
2864	rundll32.exe
2864	rundll32.exe
1196
1196
1196
1196
1196
1196
1196
1196
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1196
1196
1196
1196
1196
1196
1196
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1196

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

description	pid	target process
PID 1196 wrote to memory of 2760	1196	rdpshell.exe
PID 1196 wrote to memory of 2760	1196	rdpshell.exe
PID 1196 wrote to memory of 2760	1196	rdpshell.exe
PID 1196 wrote to memory of 2744	1196	rdpshell.exe
PID 1196 wrote to memory of 2744	1196	rdpshell.exe
PID 1196 wrote to memory of 2744	1196	rdpshell.exe
PID 1196 wrote to memory of 1028	1196	sethc.exe
PID 1196 wrote to memory of 1028	1196	sethc.exe
PID 1196 wrote to memory of 1028	1196	sethc.exe
PID 1196 wrote to memory of 632	1196	sethc.exe
PID 1196 wrote to memory of 632	1196	sethc.exe
PID 1196 wrote to memory of 632	1196	sethc.exe
PID 1196 wrote to memory of 2484	1196	msinfo32.exe
PID 1196 wrote to memory of 2484	1196	msinfo32.exe
PID 1196 wrote to memory of 2484	1196	msinfo32.exe
PID 1196 wrote to memory of 548	1196	msinfo32.exe
PID 1196 wrote to memory of 548	1196	msinfo32.exe
PID 1196 wrote to memory of 548	1196	msinfo32.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\6a4e5486af546391e45412c333bbe6c8_JaffaCakes118.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:2864

C:\Windows\system32\rdpshell.exe
C:\Windows\system32\rdpshell.exe
1⤵
PID:2760

C:\Users\Admin\AppData\Local\fu6ZE\rdpshell.exe
C:\Users\Admin\AppData\Local\fu6ZE\rdpshell.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2744

C:\Windows\system32\sethc.exe
C:\Windows\system32\sethc.exe
1⤵
PID:1028

C:\Users\Admin\AppData\Local\rncYQG\sethc.exe
C:\Users\Admin\AppData\Local\rncYQG\sethc.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:632

C:\Windows\system32\msinfo32.exe
C:\Windows\system32\msinfo32.exe
1⤵
PID:2484

C:\Users\Admin\AppData\Local\we3J\msinfo32.exe
C:\Users\Admin\AppData\Local\we3J\msinfo32.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:548

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

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\fu6ZE\WTSAPI32.dll

Filesize
1.2MB

MD5
3dc53dc35e4c8644f327958e9976bada

SHA1
5331af8167fcfd8c885384d022a476ed4639e14d

SHA256
621235d3eb527fa6ee8058da8c34b559d886496e5cc423461a3c021db7c2cee9

SHA512
d5a64cb4703eabd6c4cc095139f5168c49321ce09cc8bd6363444fb9d5fd19a24fc2cd40058bf0d5ffee642fccf5a37544fa2b23624d40278847d38c2f1036c9

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

Filesize
1.2MB

MD5
9c88b9824b239044ec7bf21dbf6d4987

SHA1
93a90d70e7ecc02f2d47afb1cc671706d7476fd8

SHA256
14c8d93facfbd8553276d2b0ec8da348825f451c06d1a72f8d79c8bea8aa4421

SHA512
8260c35a00a220cd6cf81a838fe9f7616ddd4d5f0abd335544c866a6ced0f14e5e8b3c566d45682e6fd079947b6bddf49942d0580409cf8361b20059893e44ad

Download Submit
C:\Users\Admin\AppData\Local\we3J\MFC42u.dll

Filesize
1.3MB

MD5
f799468ca150e7571eecd9467e700949

SHA1
9c20f8f9bd8cef5d4a59044ac75c7088210da4ec

SHA256
64d890ec451c45635032910c9ca5b355e90d6c9f15efe28c68ae19722c4f2408

SHA512
9dddbed213b413b00410bfa7f8eb8b9842cde6ff16b0639bee9ceb5ec675a66d3856e172813baccecf3a847f7d2989250cc87e47becc54e5fc981368b87b6a0a

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

Filesize
1KB

MD5
2a2d3317348b014ac69d6197ea87b8ec

SHA1
05ff1db444b0d529de6f5a117dcb6d572f4c6463

SHA256
dba3ecea5762ffaade2b8606bdbb0d4779da48a028ea233edf9d243a1138816e

SHA512
f986fadf6bd1c4681e80a36aa9c3652da00c4315e69c15dddb35089584a49a1e81a9c36148dcca357262de7d2b819f1ce08fb51b55678d45bddb72c509ebbe75

Download Submit
\Users\Admin\AppData\Local\fu6ZE\rdpshell.exe

Filesize
292KB

MD5
a62dfcea3a58ba8fcf32f831f018fe3f

SHA1
75f7690b19866f2c2b3dd3bfdff8a1c6fa8e958b

SHA256
f8346a44f12e5b1ca6beaae5fbdf5f7f494ba204379c21d1875b03ba6da6152e

SHA512
9a3df5be95017c23ab144302d2275654e86193e2cd94957d5f72bda3cb171ec2a6da14e6631a7fd4fd053b4529f4083aa287ada57484ad0ee01a8e5b2b54c603

Download Submit
\Users\Admin\AppData\Local\rncYQG\sethc.exe

Filesize
272KB

MD5
3bcb70da9b5a2011e01e35ed29a3f3f3

SHA1
9daecb1ee5d7cbcf46ee154dd642fcd993723a9b

SHA256
dd94bf73f0e3652b76cfb774b419ceaa2082bc7f30cc34e28dfa51952fa9ccb5

SHA512
69d231132f488fd7033349f232db1207f88f1d5cb84f5422adf0dd5fb7b373dada8fdfac7760b8845e5aab00a7ae56f24d66bbb8aa70c3c8de6ec5c31982b4df

Download Submit
\Users\Admin\AppData\Local\we3J\msinfo32.exe

Filesize
370KB

MD5
d291620d4c51c5f5ffa62ccdc52c5c13

SHA1
2081c97f15b1c2a2eadce366baf3c510da553cc7

SHA256
76e959dd7db31726c040d46cfa86b681479967aea36db5f625e80bd36422e8ae

SHA512
75f9bcce4c596dae1f4d78e13d9d53b0c31988d2170c3d9f5db352b8c8a1c8ca58f4a002b30a4b328b8f4769008b750b8a1c9fda44a582e11c3adc38345c334b

Download Submit
memory/548-97-0x0000000140000000-0x000000014014A000-memory.dmp

Filesize
1.3MB

Download
memory/548-94-0x0000000000390000-0x0000000000397000-memory.dmp

Filesize
28KB

Download
memory/548-92-0x0000000140000000-0x000000014014A000-memory.dmp

Filesize
1.3MB

Download
memory/632-79-0x0000000140000000-0x0000000140144000-memory.dmp

Filesize
1.3MB

Download
memory/632-73-0x0000000000440000-0x0000000000447000-memory.dmp

Filesize
28KB

Download
memory/1196-26-0x0000000002E10000-0x0000000002E17000-memory.dmp

Filesize
28KB

Download
memory/1196-15-0x0000000140000000-0x0000000140143000-memory.dmp

Filesize
1.3MB

Download
memory/1196-14-0x0000000140000000-0x0000000140143000-memory.dmp

Filesize
1.3MB

Download
memory/1196-12-0x0000000140000000-0x0000000140143000-memory.dmp

Filesize
1.3MB

Download
memory/1196-11-0x0000000140000000-0x0000000140143000-memory.dmp

Filesize
1.3MB

Download
memory/1196-9-0x0000000140000000-0x0000000140143000-memory.dmp

Filesize
1.3MB

Download
memory/1196-37-0x0000000140000000-0x0000000140143000-memory.dmp

Filesize
1.3MB

Download
memory/1196-38-0x0000000140000000-0x0000000140143000-memory.dmp

Filesize
1.3MB

Download
memory/1196-4-0x0000000077466000-0x0000000077467000-memory.dmp

Filesize
4KB

Download
memory/1196-25-0x0000000140000000-0x0000000140143000-memory.dmp

Filesize
1.3MB

Download
memory/1196-28-0x0000000077800000-0x0000000077802000-memory.dmp

Filesize
8KB

Download
memory/1196-5-0x0000000002E30000-0x0000000002E31000-memory.dmp

Filesize
4KB

Download
memory/1196-8-0x0000000140000000-0x0000000140143000-memory.dmp

Filesize
1.3MB

Download
memory/1196-7-0x0000000140000000-0x0000000140143000-memory.dmp

Filesize
1.3MB

Download
memory/1196-65-0x0000000077466000-0x0000000077467000-memory.dmp

Filesize
4KB

Download
memory/1196-27-0x0000000077671000-0x0000000077672000-memory.dmp

Filesize
4KB

Download
memory/1196-16-0x0000000140000000-0x0000000140143000-memory.dmp

Filesize
1.3MB

Download
memory/1196-13-0x0000000140000000-0x0000000140143000-memory.dmp

Filesize
1.3MB

Download
memory/1196-10-0x0000000140000000-0x0000000140143000-memory.dmp

Filesize
1.3MB

Download
memory/2744-60-0x0000000140000000-0x0000000140144000-memory.dmp

Filesize
1.3MB

Download
memory/2744-54-0x0000000140000000-0x0000000140144000-memory.dmp

Filesize
1.3MB

Download
memory/2744-57-0x0000000000190000-0x0000000000197000-memory.dmp

Filesize
28KB

Download
memory/2864-0-0x0000000140000000-0x0000000140143000-memory.dmp

Filesize
1.3MB

Download
memory/2864-46-0x0000000140000000-0x0000000140143000-memory.dmp

Filesize
1.3MB

Download
memory/2864-3-0x00000000001B0000-0x00000000001B7000-memory.dmp

Filesize
28KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads