dridex | 93c6d28fa2d592b75125079c8830ee790701ab730ba25a3a540c29ee6b7ecd01

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-09-2024 19:22

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General

Target

ff362bd68f2c0d7edc8ae6daea65bff2_JaffaCakes118.dll
Size

1.2MB
MD5

ff362bd68f2c0d7edc8ae6daea65bff2
SHA1

13eec145c843327764da8f7b7bfd7497f36e9fd9
SHA256

93c6d28fa2d592b75125079c8830ee790701ab730ba25a3a540c29ee6b7ecd01
SHA512

c9bcaedff9f396bf4f00877d91b22c13c58cb8c31a844520424cbd8548412de6c8d02262e43eeefbfcafad5eaafaa2b767490b97efae036c7e55d671df2af5d6
SSDEEP

24576:buYfg4LhHr4NFXKJO1aUiDBvZ2+ITHmpclO9N3:F9cKrUqZWLAcUv

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/1216-5-0x0000000002E10000-0x0000000002E11000-memory.dmp	dridex_stager_shellcode

Executes dropped EXE 3 IoCs

Processes:

wscript.exewscript.exeMpSigStub.exe

pid	Process
2632	wscript.exe
2176	wscript.exe
2928	MpSigStub.exe

Loads dropped DLL 9 IoCs

Processes:

wscript.exewscript.exeMpSigStub.exe

pid	Process
1216
1216
2632	wscript.exe
1216
1216
2176	wscript.exe
1216
2928	MpSigStub.exe
1216

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rtunysabu = "C:\\Users\\Admin\\AppData\\Roaming\\MICROS~1\\INTERN~1\\KQ2POO~1\\wscript.exe"

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

rundll32.exewscript.exewscript.exeMpSigStub.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	wscript.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	wscript.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	MpSigStub.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exe

pid	Process
1240	rundll32.exe
1240	rundll32.exe
1240	rundll32.exe
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216
1216

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

description	pid	procid_target
PID 1216 wrote to memory of 2712	1216	31
PID 1216 wrote to memory of 2712	1216	31
PID 1216 wrote to memory of 2712	1216	31
PID 1216 wrote to memory of 2632	1216	32
PID 1216 wrote to memory of 2632	1216	32
PID 1216 wrote to memory of 2632	1216	32
PID 1216 wrote to memory of 3048	1216	33
PID 1216 wrote to memory of 3048	1216	33
PID 1216 wrote to memory of 3048	1216	33
PID 1216 wrote to memory of 2176	1216	34
PID 1216 wrote to memory of 2176	1216	34
PID 1216 wrote to memory of 2176	1216	34
PID 1216 wrote to memory of 3060	1216	35
PID 1216 wrote to memory of 3060	1216	35
PID 1216 wrote to memory of 3060	1216	35
PID 1216 wrote to memory of 2928	1216	36
PID 1216 wrote to memory of 2928	1216	36
PID 1216 wrote to memory of 2928	1216	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\ff362bd68f2c0d7edc8ae6daea65bff2_JaffaCakes118.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:1240

C:\Windows\system32\wscript.exe
C:\Windows\system32\wscript.exe
1⤵
PID:2712

C:\Users\Admin\AppData\Local\MfgQW\wscript.exe
C:\Users\Admin\AppData\Local\MfgQW\wscript.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2632

C:\Windows\system32\wscript.exe
C:\Windows\system32\wscript.exe
1⤵
PID:3048

C:\Users\Admin\AppData\Local\GgYf\wscript.exe
C:\Users\Admin\AppData\Local\GgYf\wscript.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2176

C:\Windows\system32\MpSigStub.exe
C:\Windows\system32\MpSigStub.exe
1⤵
PID:3060

C:\Users\Admin\AppData\Local\OulcaxF\MpSigStub.exe
C:\Users\Admin\AppData\Local\OulcaxF\MpSigStub.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2928

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\GgYf\VERSION.dll

Filesize
1.2MB

MD5
284c8266ea39155be12310ef54054d7c

SHA1
410aa4ec18265492b5cc65d44c7a37422569ce91

SHA256
8821d3173e4ba4ac4e05e6c3a2552027a6c7f99771dc70db3427b8472939ba25

SHA512
145e6e35e9ee364adb34760a2279d83eeebd04893a0e4047f29c75d52f9b8dcb0e12e669fc267c97ab5a37445dd26fbaaa91413e5b3003354d254e1d0656ea20

Download Submit
C:\Users\Admin\AppData\Local\MfgQW\VERSION.dll

Filesize
1.2MB

MD5
825bc0ea5d2bece24169d0d224ba3134

SHA1
c545dc8141ba82f4a17844194c7850a44fdceba6

SHA256
34f8d34d24fc4db2e62c63860d6382c6f839f1ec337eb248de05684024b7998d

SHA512
0f5df5b38ab27898cf33dc7ffefbb7dae6ccf49137a1680fd94fbf8b606edf5322858dafc3d3ef464efe62bed9513560c8bad15c43a00ddd4b7ed333bf39c896

Download Submit
C:\Users\Admin\AppData\Local\MfgQW\wscript.exe

Filesize
165KB

MD5
8886e0697b0a93c521f99099ef643450

SHA1
851bd390bf559e702b8323062dbeb251d9f2f6f7

SHA256
d73f7ee4e6e992a618d02580bdbf4fd6ba7c683d110928001092f4073341e95f

SHA512
fc4a176f49a69c5600c427af72d3d274cfeacef48612b18cda966c3b4dda0b9d59c0fe8114d5ed8e0fec780744346e2cd503d1fd15c0c908908d067214b9d837

Download Submit
C:\Users\Admin\AppData\Local\OulcaxF\VERSION.dll

Filesize
1.2MB

MD5
7a99d60fb0bdba900914a34e2e3bc970

SHA1
c28665743324e25e9d6d5f8550839292838cbe02

SHA256
6a7c50786db8bc270130d009021de39762e86ae4699715c7ae33e69a685d504a

SHA512
bf2339ce13040553dde57962efb4777538ecfbbcb80ee91330450ea687a6bab27b0c0c2a78430791c0c00cba6462f623b0d27852bca0697f8430bea9e592d930

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

Filesize
1KB

MD5
46b67cac37bebe3256b6610942eb7ddd

SHA1
613310617a50b894c979456649a7b129e9f7855b

SHA256
d3aa63870b4e56bf2d487a6a60f7279720b856b78410cd649d1801c681f76558

SHA512
af464d9ac586f8d0f22a5a8ebf919839698c432766fc9b7a6e533abc2c48e1be9643f3519e932a5e5e4ee323affdec2e9c950bce3b2774518339b4073117f636

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

Filesize
264KB

MD5
2e6bd16aa62e5e95c7b256b10d637f8f

SHA1
350be084477b1fe581af83ca79eb58d4defe260f

SHA256
d795968b8067bb610033fa4a5b21eb2f96cef61513aba62912b8eb5c6a5ff7b3

SHA512
1f37150f6bcbe0df54bb85a5ad585824cea9332baa9be1649a95c1dfb41723de85c09d98fb2ca8261a49c2184d3bda638b84b2b7b60b97fe42a15ab1620a2542

Download Submit
memory/1216-25-0x00000000025E0000-0x00000000025E7000-memory.dmp

Filesize
28KB

Download
memory/1216-46-0x0000000076CA6000-0x0000000076CA7000-memory.dmp

Filesize
4KB

Download
memory/1216-24-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1216-4-0x0000000076CA6000-0x0000000076CA7000-memory.dmp

Filesize
4KB

Download
memory/1216-29-0x0000000076F40000-0x0000000076F42000-memory.dmp

Filesize
8KB

Download
memory/1216-28-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/1216-16-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1216-15-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1216-14-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1216-13-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1216-12-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1216-11-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1216-36-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1216-37-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1216-5-0x0000000002E10000-0x0000000002E11000-memory.dmp

Filesize
4KB

Download
memory/1216-10-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1216-9-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1216-8-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1216-7-0x0000000140000000-0x0000000140130000-memory.dmp

Filesize
1.2MB

Download
memory/1240-45-0x000007FEF59C0000-0x000007FEF5AF0000-memory.dmp

Filesize
1.2MB

Download
memory/1240-0-0x000007FEF59C0000-0x000007FEF5AF0000-memory.dmp

Filesize
1.2MB

Download
memory/1240-3-0x0000000001E80000-0x0000000001E87000-memory.dmp

Filesize
28KB

Download
memory/2176-78-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2176-79-0x000007FEF59B0000-0x000007FEF5AE1000-memory.dmp

Filesize
1.2MB

Download
memory/2176-84-0x000007FEF59B0000-0x000007FEF5AE1000-memory.dmp

Filesize
1.2MB

Download
memory/2632-58-0x000007FEF64C0000-0x000007FEF65F1000-memory.dmp

Filesize
1.2MB

Download
memory/2632-63-0x000007FEF64C0000-0x000007FEF65F1000-memory.dmp

Filesize
1.2MB

Download
memory/2632-57-0x0000000000110000-0x0000000000117000-memory.dmp

Filesize
28KB

Download
memory/2928-96-0x00000000000F0000-0x00000000000F7000-memory.dmp

Filesize
28KB

Download
memory/2928-102-0x000007FEF59B0000-0x000007FEF5AE1000-memory.dmp

Filesize
1.2MB

Download