dridex | 8025132bcaf7924552395dabb6c102b0d64e94465f457199304512134f69baf9

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29-11-2024 04:08

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General

Target

8025132bcaf7924552395dabb6c102b0d64e94465f457199304512134f69baf9N.dll
Size

668KB
MD5

cb9ab1885f0cd6d07f21394cfc141ea0
SHA1

03e106e193e40c8de8965a6a34330bd202016dd2
SHA256

8025132bcaf7924552395dabb6c102b0d64e94465f457199304512134f69baf9
SHA512

dd5c17633f836f956bc1fc7d7076a833177e1ec9e3f609aea25ab6659b88844ae755360cf1e15c193097cbb95ee1443e32391fbe7ee471817177c7228451bfa5
SSDEEP

6144:F34xznfAp4x+NWMqW/KZ1vCDTEpc2bysCZR6iwAtUnWKT5WK8Rpv1llfFfCRAuTF:FIKp/UWCZdCDh2IZDwAFRpR6Au

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 family
dridex

Dridex Shellcode 1 IoCs

Detects Dridex Payload shellcode injected in Explorer process.

botnet payload

Processes:

resource	yara_rule
behavioral1/memory/1188-4-0x0000000002530000-0x0000000002531000-memory.dmp	dridex_stager_shellcode

Dridex payload 12 IoCs

Detects Dridex x64 core DLL in memory.

botnet payload

Processes:

resource	yara_rule
behavioral1/memory/2064-0-0x000007FEF6430000-0x000007FEF64D7000-memory.dmp	dridex_payload
behavioral1/memory/1188-16-0x0000000140000000-0x00000001400A7000-memory.dmp	dridex_payload
behavioral1/memory/1188-24-0x0000000140000000-0x00000001400A7000-memory.dmp	dridex_payload
behavioral1/memory/1188-35-0x0000000140000000-0x00000001400A7000-memory.dmp	dridex_payload
behavioral1/memory/1188-36-0x0000000140000000-0x00000001400A7000-memory.dmp	dridex_payload
behavioral1/memory/2064-44-0x000007FEF6430000-0x000007FEF64D7000-memory.dmp	dridex_payload
behavioral1/memory/2732-54-0x000007FEF64E0000-0x000007FEF6589000-memory.dmp	dridex_payload
behavioral1/memory/2732-58-0x000007FEF64E0000-0x000007FEF6589000-memory.dmp	dridex_payload
behavioral1/memory/2688-70-0x000007FEF5E60000-0x000007FEF5F08000-memory.dmp	dridex_payload
behavioral1/memory/2688-75-0x000007FEF5E60000-0x000007FEF5F08000-memory.dmp	dridex_payload
behavioral1/memory/1924-96-0x000007FEF5F00000-0x000007FEF5FA8000-memory.dmp	dridex_payload
behavioral1/memory/1924-100-0x000007FEF5F00000-0x000007FEF5FA8000-memory.dmp	dridex_payload

Executes dropped EXE 4 IoCs

Processes:

tcmsetup.exeiexpress.exewermgr.exedvdupgrd.exe

pid	Process
2732	tcmsetup.exe
2688	iexpress.exe
1656	wermgr.exe
1924	dvdupgrd.exe

Loads dropped DLL 8 IoCs

Processes:

tcmsetup.exeiexpress.exedvdupgrd.exe

pid	Process
1188
2732	tcmsetup.exe
1188
2688	iexpress.exe
1188
1188
1924	dvdupgrd.exe
1188

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Mcbsdqtxprcnbm = "C:\\Users\\Admin\\AppData\\Roaming\\MICROS~1\\Windows\\NETWOR~1\\D00R8XZ\\iexpress.exe"

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

iexpress.exedvdupgrd.exerundll32.exetcmsetup.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	iexpress.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	dvdupgrd.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	tcmsetup.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exe

pid	Process
2064	rundll32.exe
2064	rundll32.exe
2064	rundll32.exe
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188
1188

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

description	pid	procid_target
PID 1188 wrote to memory of 2500	1188	31
PID 1188 wrote to memory of 2500	1188	31
PID 1188 wrote to memory of 2500	1188	31
PID 1188 wrote to memory of 2732	1188	32
PID 1188 wrote to memory of 2732	1188	32
PID 1188 wrote to memory of 2732	1188	32
PID 1188 wrote to memory of 2656	1188	33
PID 1188 wrote to memory of 2656	1188	33
PID 1188 wrote to memory of 2656	1188	33
PID 1188 wrote to memory of 2688	1188	34
PID 1188 wrote to memory of 2688	1188	34
PID 1188 wrote to memory of 2688	1188	34
PID 1188 wrote to memory of 1828	1188	35
PID 1188 wrote to memory of 1828	1188	35
PID 1188 wrote to memory of 1828	1188	35
PID 1188 wrote to memory of 1656	1188	36
PID 1188 wrote to memory of 1656	1188	36
PID 1188 wrote to memory of 1656	1188	36
PID 1188 wrote to memory of 1968	1188	37
PID 1188 wrote to memory of 1968	1188	37
PID 1188 wrote to memory of 1968	1188	37
PID 1188 wrote to memory of 1924	1188	38
PID 1188 wrote to memory of 1924	1188	38
PID 1188 wrote to memory of 1924	1188	38

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\8025132bcaf7924552395dabb6c102b0d64e94465f457199304512134f69baf9N.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:2064

C:\Windows\system32\tcmsetup.exe
C:\Windows\system32\tcmsetup.exe
1⤵
PID:2500

C:\Users\Admin\AppData\Local\37qntx\tcmsetup.exe
C:\Users\Admin\AppData\Local\37qntx\tcmsetup.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2732

C:\Windows\system32\iexpress.exe
C:\Windows\system32\iexpress.exe
1⤵
PID:2656

C:\Users\Admin\AppData\Local\yFwOhAZ\iexpress.exe
C:\Users\Admin\AppData\Local\yFwOhAZ\iexpress.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2688

C:\Windows\system32\wermgr.exe
C:\Windows\system32\wermgr.exe
1⤵
PID:1828

C:\Users\Admin\AppData\Local\UtmWCW\wermgr.exe
C:\Users\Admin\AppData\Local\UtmWCW\wermgr.exe
1⤵
- Executes dropped EXE
PID:1656

C:\Windows\system32\dvdupgrd.exe
C:\Windows\system32\dvdupgrd.exe
1⤵
PID:1968

C:\Users\Admin\AppData\Local\VpyWqIvW\dvdupgrd.exe
C:\Users\Admin\AppData\Local\VpyWqIvW\dvdupgrd.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1924

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\37qntx\TAPI32.dll

Filesize
676KB

MD5
73688a2eaab624a123b283717b22d7e7

SHA1
42f5daec578a3061fc645d519954ac038879d6f6

SHA256
7a40c579428574839e1eff2a09a6dbd233836233d46baf907544bf1b307c21f6

SHA512
347add6c7713298fd2e57e15e661d8d4def3c522e2e820ad40fbec7da1065414b48bcfefeb6088b0d7db94206d3f11c643d342177b04db941db9ef9f50d003b7

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

Filesize
672KB

MD5
8a996e1c5934bd1a5de7650aac4e0a14

SHA1
5e6a63f6967287b1b641bf17a3bf800fcb97ea28

SHA256
36bbb7944391edff9d488d764d69de015cd3081ac997e0c38bbe730f2ee84428

SHA512
5c675a3724e3871f50e8109f65fb7ac2639407c7fbb287c0e8778466b346255aec78982172d0330a2cb9a5130a46b26702e5b6057904fde69cca6f6287350e43

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

Filesize
672KB

MD5
96777572780b8b7505c0a7f26beedb34

SHA1
b310495e30115c18e2cfe8052797b3af714b3f81

SHA256
88fe46135bde4def98e3df2fd5343ca8c9f7ed1971cd95419507d9b58d21cfef

SHA512
a569b299ada889c8271038f81c18e93a97f12f4706d98e7dfcbfdacc2171c3ec2f301e334bb2001b5b0a1b332191b740e7132c3d6bce24a605a6efde6d23d594

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

Filesize
1KB

MD5
8e7778da7c85a6c6d64c0e6df2e04bd1

SHA1
6fffbd4f0d03e79de57a76314465e6f4752fd4c0

SHA256
398e116725c9a1c22c420a184f6789bcfcd9fe3eb069b90859bb521f7c81930e

SHA512
c52f8da8738b70ff8dcca1602de3c92e97ddb305e00d99f10ffe8377843c45bb320a338a7f00ea0ffeb7f8ba5f3a9776bf190965f5cf80fd861784b3920a8cee

Download Submit
\Users\Admin\AppData\Local\37qntx\tcmsetup.exe

Filesize
15KB

MD5
0b08315da0da7f9f472fbab510bfe7b8

SHA1
33ba48fd980216becc532466a5ff8476bec0b31c

SHA256
e19556bb7aa39bbd5f0d568a95aec0b3af18dda438cc5737f945243b24d106e7

SHA512
c30501546efe2b0c003ef87ac381e901c69ddfc6791c6a5102cff3a07f56555d94995a4413b93036821aa214fc31501fa87eb519e1890ef75b2ec497983ffd58

Download Submit
\Users\Admin\AppData\Local\UtmWCW\wermgr.exe

Filesize
49KB

MD5
41df7355a5a907e2c1d7804ec028965d

SHA1
453263d230c6317eb4a2eb3aceeec1bbcf5e153d

SHA256
207bfec939e7c017c4704ba76172ee2c954f485ba593bc1bc8c7666e78251861

SHA512
59c9d69d3942543af4f387137226516adec1a4304bd5696c6c1d338f9e5f40d136450907351cce018563df1358e06a792005167f5c08c689df32d809c4cebdcf

Download Submit
\Users\Admin\AppData\Local\VpyWqIvW\dvdupgrd.exe

Filesize
25KB

MD5
75a9b4172eac01d9648c6d2133af952f

SHA1
63c7e1af762d2b584e9cc841e8b0100f2a482b81

SHA256
18f9f520c7157023b0e7dfe7433a63c4dedd47b04d24aac4038b795893050736

SHA512
5a7a2c7f184efd9c84256a1a0a5e7aeb95432d63a567196be54e7a9437a5ada9b922983c5fc0cafb16eab4493665d8e56e2f646f9f6a2d6179986925ffcdf769

Download Submit
\Users\Admin\AppData\Local\yFwOhAZ\iexpress.exe

Filesize
163KB

MD5
46fd16f9b1924a2ea8cd5c6716cc654f

SHA1
99284bc91cf829e9602b4b95811c1d72977700b6

SHA256
9f993a1f6a133fa8375eab99bf1710471dd13ef177ef713acf8921fb4ff565a3

SHA512
52c91043f514f3f8ce07f8e60357786eb7236fcf6cdcccca0dd76000b9a23d6b138cebcdec53b01823cb2313ec850fc7bece326ec01d44ed33f4052b789b7629

Download Submit
memory/1188-24-0x0000000140000000-0x00000001400A7000-memory.dmp

Filesize
668KB

Download
memory/1188-14-0x0000000140000000-0x00000001400A7000-memory.dmp

Filesize
668KB

Download
memory/1188-12-0x0000000140000000-0x00000001400A7000-memory.dmp

Filesize
668KB

Download
memory/1188-11-0x0000000140000000-0x00000001400A7000-memory.dmp

Filesize
668KB

Download
memory/1188-10-0x0000000140000000-0x00000001400A7000-memory.dmp

Filesize
668KB

Download
memory/1188-9-0x0000000140000000-0x00000001400A7000-memory.dmp

Filesize
668KB

Download
memory/1188-8-0x0000000140000000-0x00000001400A7000-memory.dmp

Filesize
668KB

Download
memory/1188-7-0x0000000140000000-0x00000001400A7000-memory.dmp

Filesize
668KB

Download
memory/1188-26-0x0000000076F80000-0x0000000076F82000-memory.dmp

Filesize
8KB

Download
memory/1188-25-0x0000000076F50000-0x0000000076F52000-memory.dmp

Filesize
8KB

Download
memory/1188-3-0x0000000076BE6000-0x0000000076BE7000-memory.dmp

Filesize
4KB

Download
memory/1188-35-0x0000000140000000-0x00000001400A7000-memory.dmp

Filesize
668KB

Download
memory/1188-36-0x0000000140000000-0x00000001400A7000-memory.dmp

Filesize
668KB

Download
memory/1188-6-0x0000000140000000-0x00000001400A7000-memory.dmp

Filesize
668KB

Download
memory/1188-45-0x0000000076BE6000-0x0000000076BE7000-memory.dmp

Filesize
4KB

Download
memory/1188-13-0x0000000140000000-0x00000001400A7000-memory.dmp

Filesize
668KB

Download
memory/1188-15-0x0000000140000000-0x00000001400A7000-memory.dmp

Filesize
668KB

Download
memory/1188-4-0x0000000002530000-0x0000000002531000-memory.dmp

Filesize
4KB

Download
memory/1188-16-0x0000000140000000-0x00000001400A7000-memory.dmp

Filesize
668KB

Download
memory/1188-23-0x0000000002510000-0x0000000002517000-memory.dmp

Filesize
28KB

Download
memory/1924-96-0x000007FEF5F00000-0x000007FEF5FA8000-memory.dmp

Filesize
672KB

Download
memory/1924-100-0x000007FEF5F00000-0x000007FEF5FA8000-memory.dmp

Filesize
672KB

Download
memory/2064-44-0x000007FEF6430000-0x000007FEF64D7000-memory.dmp

Filesize
668KB

Download
memory/2064-2-0x0000000000190000-0x0000000000197000-memory.dmp

Filesize
28KB

Download
memory/2064-0-0x000007FEF6430000-0x000007FEF64D7000-memory.dmp

Filesize
668KB

Download
memory/2688-70-0x000007FEF5E60000-0x000007FEF5F08000-memory.dmp

Filesize
672KB

Download
memory/2688-72-0x0000000000090000-0x0000000000097000-memory.dmp

Filesize
28KB

Download
memory/2688-75-0x000007FEF5E60000-0x000007FEF5F08000-memory.dmp

Filesize
672KB

Download
memory/2732-58-0x000007FEF64E0000-0x000007FEF6589000-memory.dmp

Filesize
676KB

Download
memory/2732-53-0x0000000000200000-0x0000000000207000-memory.dmp

Filesize
28KB

Download
memory/2732-54-0x000007FEF64E0000-0x000007FEF6589000-memory.dmp

Filesize
676KB

Download