dridex | eee2e1a66ec290793a4c288e15f1517031ae55eb7af9a1f5215ca63366c067d0

Analysis

max time kernel
150s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-09-2024 17:27

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General

Target

f27d0ce1d6f4f2dc3ca5cd5d21185e04_JaffaCakes118.dll
Size

1.2MB
MD5

f27d0ce1d6f4f2dc3ca5cd5d21185e04
SHA1

ceb9a18cca6d60940ba6817f65b0c7d6c715ba9a
SHA256

eee2e1a66ec290793a4c288e15f1517031ae55eb7af9a1f5215ca63366c067d0
SHA512

55de677ed09b5cae3a18a799b010e09e2e33446f306b858d7b58adfcfc1aab83968320f898f354f28da57e86038b9c93d6a771760a8cc76e8481c1e9cc06a6ea
SSDEEP

24576:PyTonNVlKTt/Q5ECvVP7hpJMvjtKpvPf9+m6kLRqgSyI:PyWRKTt/QlPVp3h9

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

resource	yara_rule
behavioral1/memory/1188-5-0x0000000002AF0000-0x0000000002AF1000-memory.dmp	dridex_stager_shellcode

Executes dropped EXE 3 IoCs

pid	Process
2648	Netplwiz.exe
2592	BdeUISrv.exe
1812	MpSigStub.exe

Loads dropped DLL 7 IoCs

pid	Process
1188	Process not Found
2648	Netplwiz.exe
1188	Process not Found
2592	BdeUISrv.exe
1188	Process not Found
1812	MpSigStub.exe
1188	Process not Found

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\Orgemlwcbffgzj = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Credentials\\B2KSvnbZ\\BdeUISrv.exe"	Process not Found

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Netplwiz.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	MpSigStub.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1040	rundll32.exe
1040	rundll32.exe
1040	rundll32.exe
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found
1188	Process not Found

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1188 wrote to memory of 2992	1188	Process not Found	30
PID 1188 wrote to memory of 2992	1188	Process not Found	30
PID 1188 wrote to memory of 2992	1188	Process not Found	30
PID 1188 wrote to memory of 2648	1188	Process not Found	31
PID 1188 wrote to memory of 2648	1188	Process not Found	31
PID 1188 wrote to memory of 2648	1188	Process not Found	31
PID 1188 wrote to memory of 2180	1188	Process not Found	32
PID 1188 wrote to memory of 2180	1188	Process not Found	32
PID 1188 wrote to memory of 2180	1188	Process not Found	32
PID 1188 wrote to memory of 2592	1188	Process not Found	33
PID 1188 wrote to memory of 2592	1188	Process not Found	33
PID 1188 wrote to memory of 2592	1188	Process not Found	33
PID 1188 wrote to memory of 2372	1188	Process not Found	34
PID 1188 wrote to memory of 2372	1188	Process not Found	34
PID 1188 wrote to memory of 2372	1188	Process not Found	34
PID 1188 wrote to memory of 1812	1188	Process not Found	35
PID 1188 wrote to memory of 1812	1188	Process not Found	35
PID 1188 wrote to memory of 1812	1188	Process not Found	35

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\f27d0ce1d6f4f2dc3ca5cd5d21185e04_JaffaCakes118.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:1040

C:\Windows\system32\Netplwiz.exe
C:\Windows\system32\Netplwiz.exe
1⤵
PID:2992

C:\Users\Admin\AppData\Local\mRD4\Netplwiz.exe
C:\Users\Admin\AppData\Local\mRD4\Netplwiz.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2648

C:\Windows\system32\BdeUISrv.exe
C:\Windows\system32\BdeUISrv.exe
1⤵
PID:2180

C:\Users\Admin\AppData\Local\NVPa5gG\BdeUISrv.exe
C:\Users\Admin\AppData\Local\NVPa5gG\BdeUISrv.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2592

C:\Windows\system32\MpSigStub.exe
C:\Windows\system32\MpSigStub.exe
1⤵
PID:2372

C:\Users\Admin\AppData\Local\Uq7\MpSigStub.exe
C:\Users\Admin\AppData\Local\Uq7\MpSigStub.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\NVPa5gG\WTSAPI32.dll

Filesize
1.2MB

MD5
8f6fe542d86ac32f09ddf28af97f7561

SHA1
3f84fdecdc2dd932f4f1c5b0809851415e4d2bef

SHA256
4204e59c44cb44d74e6c7c8a0e1db738b907e81a5c930821d857710977d7e004

SHA512
70758183cdf5fca6cacb3a3e136b6f40f39ef29f88eed6dbc00d4eaef575c3124c885b860cb2606f1c16abc3a3201bb8c1c5e67083ad6a242f42ef9eb8a217a5

Download Submit
C:\Users\Admin\AppData\Local\mRD4\NETPLWIZ.dll

Filesize
1.2MB

MD5
cbeddfd810f6cbba8b7a87b4a907678d

SHA1
c6e2c2e770f8862f29314a1b668dd71b79817721

SHA256
b034439b3c0a36be9f14117a8bc9e61212ef3b986d9c24f4a44a548b5670cd51

SHA512
9c43487ea2d42b7fb4878e346652932e3696ae1e383542b5226b0ed7454e152c883f213e7f55b1aa199cd85f8dc0231eea0aef1d48f70280e656a6b2ec38e9f4

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

Filesize
1KB

MD5
b551f80e777b2183ba4209e965a27f93

SHA1
6c43a6606cbcb60692814315bf22e2cfb1178c64

SHA256
f30a791446c1d2a66c634ad1ce35c122395a562a337778e4bd0f0da0c38c4c1b

SHA512
3dfe0703c5b2a7ad2984d47955573c4429adf9a8182bba056481c980e62b60407a7c3566584389f3460963ebade1b83a4b182f0421f03990a77e4a538a26c01c

Download Submit
\Users\Admin\AppData\Local\NVPa5gG\BdeUISrv.exe

Filesize
47KB

MD5
1da6b19be5d4949c868a264bc5e74206

SHA1
d5ee86ba03a03ef8c93d93accafe40461084c839

SHA256
00330a0e0eb1dbb6ee84997963f8e15c7c15c1df787f1c7f109609d7b31bd35c

SHA512
9cee858c55eb0852e5bad53a675a094ae591b46b07afe9fb4224cac32e0be577fe36c1ed3e9f6bda4d4eb0c924a773d00e3181cd97f07e24c6c68c70f2b002c6

Download Submit
\Users\Admin\AppData\Local\Uq7\MpSigStub.exe

Filesize
264KB

MD5
2e6bd16aa62e5e95c7b256b10d637f8f

SHA1
350be084477b1fe581af83ca79eb58d4defe260f

SHA256
d795968b8067bb610033fa4a5b21eb2f96cef61513aba62912b8eb5c6a5ff7b3

SHA512
1f37150f6bcbe0df54bb85a5ad585824cea9332baa9be1649a95c1dfb41723de85c09d98fb2ca8261a49c2184d3bda638b84b2b7b60b97fe42a15ab1620a2542

Download Submit
\Users\Admin\AppData\Local\Uq7\VERSION.dll

Filesize
1.2MB

MD5
ac899166bb9eb93ccbf434c8e3fe06bb

SHA1
ed0637fc4cb3436a43730ce8cbd170a9dbfd31af

SHA256
f7c9c898877f8fa86e035bfa7e158acb206384eba738441ce45d286e4c70c64d

SHA512
2e1dcc92d2c954eaf6ed8219a8360993b035eea4a866d3ad3b83a87e64762945b2bf080b65da590aaa0f9535411c35e4613a181d82b92bcc67b5a050c74e0574

Download Submit
\Users\Admin\AppData\Local\mRD4\Netplwiz.exe

Filesize
26KB

MD5
e43ec3c800d4c0716613392e81fba1d9

SHA1
37de6a235e978ecf3bb0fc2c864016c5b0134348

SHA256
636606415a85a16a7e6c5c8fcbdf35494991bce1c37dfc19c75ecb7ce12dc65c

SHA512
176c6d8b87bc5a9ca06698e2542ff34d474bcbbf21278390127981366eda89769bd9dd712f3b34f4dd8332a0b40ee0e609276400f16b51999471c8ff24522a08

Download Submit
memory/1040-3-0x0000000000290000-0x0000000000297000-memory.dmp

Filesize
28KB

Download
memory/1040-0-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/1040-39-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/1188-15-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/1188-24-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/1188-11-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/1188-10-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/1188-9-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/1188-8-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/1188-13-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/1188-14-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/1188-33-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/1188-32-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/1188-42-0x0000000077066000-0x0000000077067000-memory.dmp

Filesize
4KB

Download
memory/1188-12-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/1188-25-0x0000000002630000-0x0000000002637000-memory.dmp

Filesize
28KB

Download
memory/1188-4-0x0000000077066000-0x0000000077067000-memory.dmp

Filesize
4KB

Download
memory/1188-5-0x0000000002AF0000-0x0000000002AF1000-memory.dmp

Filesize
4KB

Download
memory/1188-7-0x0000000140000000-0x0000000140142000-memory.dmp

Filesize
1.3MB

Download
memory/1188-28-0x0000000077171000-0x0000000077172000-memory.dmp

Filesize
4KB

Download
memory/1188-29-0x0000000077300000-0x0000000077302000-memory.dmp

Filesize
8KB

Download
memory/1812-85-0x0000000000170000-0x0000000000177000-memory.dmp

Filesize
28KB

Download
memory/1812-91-0x0000000140000000-0x0000000140143000-memory.dmp

Filesize
1.3MB

Download
memory/2592-73-0x0000000140000000-0x0000000140143000-memory.dmp

Filesize
1.3MB

Download
memory/2648-56-0x0000000140000000-0x0000000140143000-memory.dmp

Filesize
1.3MB

Download
memory/2648-51-0x0000000140000000-0x0000000140143000-memory.dmp

Filesize
1.3MB

Download
memory/2648-50-0x0000000000080000-0x0000000000087000-memory.dmp

Filesize
28KB

Download