dridex | 561f41e1bb21a3e96a3497b1ac70f8dd0026946d928d7757b659ca8518fe2f48

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-09-2024 10:13

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General

Target

ef9282ff41251164cb2b293d8ebe082f_JaffaCakes118.dll
Size

1.4MB
MD5

ef9282ff41251164cb2b293d8ebe082f
SHA1

01f039edc40c69125d5c04be228eb6f7a23fb931
SHA256

561f41e1bb21a3e96a3497b1ac70f8dd0026946d928d7757b659ca8518fe2f48
SHA512

988b9f019112ce40c3c6cf7a2528ff094eb4684ced6310232d9b5326bb07e23136447a4107e961b9237bd292d3009857b15132e01256b2e89a661305e45d99d2
SSDEEP

24576:muYfg4LhHr4NFXKJO1aUiDBvZ2+ITHmpclO9NaiH/:G9cKrUqZWLAcU

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/1208-5-0x0000000002D00000-0x0000000002D01000-memory.dmp	dridex_stager_shellcode

Executes dropped EXE 3 IoCs

Processes:

Dxpserver.exespreview.exeNetplwiz.exe

pid	Process
2964	Dxpserver.exe
1952	spreview.exe
1956	Netplwiz.exe

Loads dropped DLL 7 IoCs

Processes:

Dxpserver.exespreview.exeNetplwiz.exe

pid	Process
1208
2964	Dxpserver.exe
1208
1952	spreview.exe
1208
1956	Netplwiz.exe
1208

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\Auwqk = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Templates\\I0\\spreview.exe"

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

Netplwiz.exerundll32.exeDxpserver.exespreview.exe

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	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Dxpserver.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	spreview.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exe

pid	Process
2112	rundll32.exe
2112	rundll32.exe
2112	rundll32.exe
1208
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1208
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1208

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

description	pid	procid_target
PID 1208 wrote to memory of 2652	1208	31
PID 1208 wrote to memory of 2652	1208	31
PID 1208 wrote to memory of 2652	1208	31
PID 1208 wrote to memory of 2964	1208	32
PID 1208 wrote to memory of 2964	1208	32
PID 1208 wrote to memory of 2964	1208	32
PID 1208 wrote to memory of 2740	1208	33
PID 1208 wrote to memory of 2740	1208	33
PID 1208 wrote to memory of 2740	1208	33
PID 1208 wrote to memory of 1952	1208	34
PID 1208 wrote to memory of 1952	1208	34
PID 1208 wrote to memory of 1952	1208	34
PID 1208 wrote to memory of 2352	1208	35
PID 1208 wrote to memory of 2352	1208	35
PID 1208 wrote to memory of 2352	1208	35
PID 1208 wrote to memory of 1956	1208	36
PID 1208 wrote to memory of 1956	1208	36
PID 1208 wrote to memory of 1956	1208	36

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\ef9282ff41251164cb2b293d8ebe082f_JaffaCakes118.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:2112

C:\Windows\system32\Dxpserver.exe
C:\Windows\system32\Dxpserver.exe
1⤵
PID:2652

C:\Users\Admin\AppData\Local\0iEq4Vl\Dxpserver.exe
C:\Users\Admin\AppData\Local\0iEq4Vl\Dxpserver.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2964

C:\Windows\system32\spreview.exe
C:\Windows\system32\spreview.exe
1⤵
PID:2740

C:\Users\Admin\AppData\Local\7py\spreview.exe
C:\Users\Admin\AppData\Local\7py\spreview.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1952

C:\Windows\system32\Netplwiz.exe
C:\Windows\system32\Netplwiz.exe
1⤵
PID:2352

C:\Users\Admin\AppData\Local\FF6Iy\Netplwiz.exe
C:\Users\Admin\AppData\Local\FF6Iy\Netplwiz.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1956

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\0iEq4Vl\dwmapi.dll

Filesize
1.4MB

MD5
20acf6f5df29e77375be5d39c7b18992

SHA1
4cee3010f8d3cf8c32a3ea5be3036126190c29b4

SHA256
a9813b5e9dc59198e5cb9ec9af3c04e2abc668e7e0db84f01762f7800c54ade1

SHA512
248742e5ac214d8e754f9ad03fdde49204c2172ac44da876ed21d5c9f47ca291dae60483514f14a9e9b959aa2b7ac9789ce04a0d5f4925961422b4fd6d00af90

Download Submit
C:\Users\Admin\AppData\Local\7py\WINBRAND.dll

Filesize
1.4MB

MD5
9b2ffbcd107bd7121163a4b174ff40b5

SHA1
57eed1bbdc0bdd4ef046b16ffaa9d09b40c71855

SHA256
e068f4281bf6eddb4af96b6d1bbb10bbbcc98db397a306fdcb37475791641e7d

SHA512
b6d246e7d7c2e8080a8ef7ee774f6de8aa7e0869bd7ce4f502ccc6a7a3a2578bddfd5a9ce1c443698503ba2b50ccdb885738f435c03c25cac5af744cff568daf

Download Submit
C:\Users\Admin\AppData\Local\FF6Iy\NETPLWIZ.dll

Filesize
1.4MB

MD5
6ba1605498b5beaf58dd960c6805fde3

SHA1
52da8377492c1748d75fbe6bdaa0d79d6842755c

SHA256
031c996db34255c11bb991df7c0afac0d5914bffbe2c7c5c4ed103c94506b302

SHA512
3dea716aa49662eeb569530f413fb9622fd70950bd4986fc014fe62f81e387d3c31d0010eb6abee804bfb2318bacf4d33a49a5ac1c201d873b846648f82b9411

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

Filesize
1KB

MD5
1e044942609d8528804f4ff95dea49bd

SHA1
05ca33e8e6056290db2826ea1c79fcfb409ba5fa

SHA256
93be00100c7ef90f8aec053d77225a558a1b13678d1f430d23185a52020bdf50

SHA512
42362705973f4dc2e8931fa1cb52bc0af6d8a95edef8695c13ee83e5076c0091ca50504c289999fc1ac76fe3a8f79cad1aff0fe866877ee5421cdbb70efa94c5

Download Submit
\Users\Admin\AppData\Local\0iEq4Vl\Dxpserver.exe

Filesize
259KB

MD5
4d38389fb92e43c77a524fd96dbafd21

SHA1
08014e52f6894cad4f1d1e6fc1a703732e9acd19

SHA256
070bc95c486c15d2edc3548ba416dc9565ead401cb03a0472f719fb55ac94e73

SHA512
02d8d130cff2b8de15139d309e1cd74a2148bb786fd749e5f22775d45e193b0f75adf40274375cabce33576480ff20456f25172d29a034cd134b8084d40a67ba

Download Submit
\Users\Admin\AppData\Local\7py\spreview.exe

Filesize
294KB

MD5
704cd4cac010e8e6d8de9b778ed17773

SHA1
81856abf70640f102b8b3defe2cf65669fe8e165

SHA256
4307f21d3ec3b51cba6a905a80045314ffccb4c60c11d99a3d77cc8103014208

SHA512
b380264276bad01d619a5f1f112791d6bf73dc52cdd5cca0cc1f726a6f66eefc5a78a37646792987c508f9cb5049f0eb86c71fb4c7a2d3e670c0c8623f0522ee

Download Submit
\Users\Admin\AppData\Local\FF6Iy\Netplwiz.exe

Filesize
26KB

MD5
e43ec3c800d4c0716613392e81fba1d9

SHA1
37de6a235e978ecf3bb0fc2c864016c5b0134348

SHA256
636606415a85a16a7e6c5c8fcbdf35494991bce1c37dfc19c75ecb7ce12dc65c

SHA512
176c6d8b87bc5a9ca06698e2542ff34d474bcbbf21278390127981366eda89769bd9dd712f3b34f4dd8332a0b40ee0e609276400f16b51999471c8ff24522a08

Download Submit
memory/1208-7-0x0000000140000000-0x0000000140173000-memory.dmp

Filesize
1.4MB

Download
memory/1208-18-0x0000000140000000-0x0000000140173000-memory.dmp

Filesize
1.4MB

Download
memory/1208-17-0x0000000140000000-0x0000000140173000-memory.dmp

Filesize
1.4MB

Download
memory/1208-16-0x0000000140000000-0x0000000140173000-memory.dmp

Filesize
1.4MB

Download
memory/1208-14-0x0000000140000000-0x0000000140173000-memory.dmp

Filesize
1.4MB

Download
memory/1208-13-0x0000000140000000-0x0000000140173000-memory.dmp

Filesize
1.4MB

Download
memory/1208-11-0x0000000140000000-0x0000000140173000-memory.dmp

Filesize
1.4MB

Download
memory/1208-10-0x0000000140000000-0x0000000140173000-memory.dmp

Filesize
1.4MB

Download
memory/1208-9-0x0000000140000000-0x0000000140173000-memory.dmp

Filesize
1.4MB

Download
memory/1208-8-0x0000000140000000-0x0000000140173000-memory.dmp

Filesize
1.4MB

Download
memory/1208-15-0x0000000140000000-0x0000000140173000-memory.dmp

Filesize
1.4MB

Download
memory/1208-4-0x00000000774F6000-0x00000000774F7000-memory.dmp

Filesize
4KB

Download
memory/1208-29-0x0000000077790000-0x0000000077792000-memory.dmp

Filesize
8KB

Download
memory/1208-38-0x0000000140000000-0x0000000140173000-memory.dmp

Filesize
1.4MB

Download
memory/1208-40-0x0000000140000000-0x0000000140173000-memory.dmp

Filesize
1.4MB

Download
memory/1208-5-0x0000000002D00000-0x0000000002D01000-memory.dmp

Filesize
4KB

Download
memory/1208-48-0x00000000774F6000-0x00000000774F7000-memory.dmp

Filesize
4KB

Download
memory/1208-28-0x0000000077601000-0x0000000077602000-memory.dmp

Filesize
4KB

Download
memory/1208-27-0x0000000002CE0000-0x0000000002CE7000-memory.dmp

Filesize
28KB

Download
memory/1208-12-0x0000000140000000-0x0000000140173000-memory.dmp

Filesize
1.4MB

Download
memory/1208-26-0x0000000140000000-0x0000000140173000-memory.dmp

Filesize
1.4MB

Download
memory/1952-74-0x00000000000F0000-0x00000000000F7000-memory.dmp

Filesize
28KB

Download
memory/1952-75-0x000007FEF6170000-0x000007FEF62E4000-memory.dmp

Filesize
1.5MB

Download
memory/1952-80-0x000007FEF6170000-0x000007FEF62E4000-memory.dmp

Filesize
1.5MB

Download
memory/1956-92-0x00000000001A0000-0x00000000001A7000-memory.dmp

Filesize
28KB

Download
memory/1956-98-0x000007FEF6170000-0x000007FEF62E4000-memory.dmp

Filesize
1.5MB

Download
memory/2112-47-0x000007FEF6170000-0x000007FEF62E3000-memory.dmp

Filesize
1.4MB

Download
memory/2112-3-0x0000000000120000-0x0000000000127000-memory.dmp

Filesize
28KB

Download
memory/2112-0-0x000007FEF6170000-0x000007FEF62E3000-memory.dmp

Filesize
1.4MB

Download
memory/2964-62-0x000007FEF6CD0000-0x000007FEF6E44000-memory.dmp

Filesize
1.5MB

Download
memory/2964-57-0x000007FEF6CD0000-0x000007FEF6E44000-memory.dmp

Filesize
1.5MB

Download
memory/2964-56-0x00000000002A0000-0x00000000002A7000-memory.dmp

Filesize
28KB

Download