dridex | f2ddef77e116e27aaf7edd19d8e311c890be77abd321a104a19bb4beb6a760d5

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
29-07-2024 01:22

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General

Target

305ed1795e2e32ab6474f11e8a2b90da_JaffaCakes118.dll
Size

1.2MB
MD5

305ed1795e2e32ab6474f11e8a2b90da
SHA1

36691323644bafb435d160a6d91caabba435a6de
SHA256

f2ddef77e116e27aaf7edd19d8e311c890be77abd321a104a19bb4beb6a760d5
SHA512

eab5c510385fef3fc598f15b65c6b91e966ba1590de17c839e4a5a9816526463f91501a5006209e781e15befd240ff7cdb53e57103dabd319483598926f85500
SSDEEP

24576:yuYfg4LhHr4NFXKJO1aUiDBvZ2+ITHmpclO9N:a9cKrUqZWLAcU

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/1200-5-0x00000000025B0000-0x00000000025B1000-memory.dmp	dridex_stager_shellcode

Executes dropped EXE 3 IoCs

Processes:

javaws.exetabcal.exedwm.exe

pid	Process
2972	javaws.exe
1376	tabcal.exe
1628	dwm.exe

Loads dropped DLL 7 IoCs

Processes:

javaws.exetabcal.exedwm.exe

pid	Process
1200
2972	javaws.exe
1200
1376	tabcal.exe
1200
1628	dwm.exe
1200

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-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\Qdgopofbxbljb = "C:\\Users\\Admin\\AppData\\Roaming\\Adobe\\FLASHP~1\\ASSETC~1\\FbxkS5Y\\tabcal.exe"

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

javaws.exetabcal.exedwm.exerundll32.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	javaws.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	tabcal.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	dwm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exe

pid	Process
2464	rundll32.exe
2464	rundll32.exe
2464	rundll32.exe
1200
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Suspicious use of WriteProcessMemory 18 IoCs

Processes:

description	pid	procid_target
PID 1200 wrote to memory of 2876	1200	31
PID 1200 wrote to memory of 2876	1200	31
PID 1200 wrote to memory of 2876	1200	31
PID 1200 wrote to memory of 2972	1200	32
PID 1200 wrote to memory of 2972	1200	32
PID 1200 wrote to memory of 2972	1200	32
PID 1200 wrote to memory of 2716	1200	33
PID 1200 wrote to memory of 2716	1200	33
PID 1200 wrote to memory of 2716	1200	33
PID 1200 wrote to memory of 1376	1200	34
PID 1200 wrote to memory of 1376	1200	34
PID 1200 wrote to memory of 1376	1200	34
PID 1200 wrote to memory of 2996	1200	35
PID 1200 wrote to memory of 2996	1200	35
PID 1200 wrote to memory of 2996	1200	35
PID 1200 wrote to memory of 1628	1200	36
PID 1200 wrote to memory of 1628	1200	36
PID 1200 wrote to memory of 1628	1200	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\305ed1795e2e32ab6474f11e8a2b90da_JaffaCakes118.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:2464

C:\Windows\system32\javaws.exe
C:\Windows\system32\javaws.exe
1⤵
PID:2876

C:\Users\Admin\AppData\Local\6yOo\javaws.exe
C:\Users\Admin\AppData\Local\6yOo\javaws.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2972

C:\Windows\system32\tabcal.exe
C:\Windows\system32\tabcal.exe
1⤵
PID:2716

C:\Users\Admin\AppData\Local\bnqkT\tabcal.exe
C:\Users\Admin\AppData\Local\bnqkT\tabcal.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1376

C:\Windows\system32\dwm.exe
C:\Windows\system32\dwm.exe
1⤵
PID:2996

C:\Users\Admin\AppData\Local\X21rF\dwm.exe
C:\Users\Admin\AppData\Local\X21rF\dwm.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1628

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\6yOo\VERSION.dll

Filesize
1.2MB

MD5
63e6b688d403d11efce3cd05fcd0719b

SHA1
5b0e6540bd6ebca0419a2fda0ffc76b208846ef0

SHA256
11520bf9adb74b82a415ad31ef0267a0b5b242881cf81aa247d26bd185414872

SHA512
ff19fe813dc0503f4f45945d65f97a89faa2ae6f702e39a6f2aa2f80604f7c0f069fe34825e322683fc9a15bc26e9b07a076662227e578a01f4afd9fa1f0c450

Download Submit
C:\Users\Admin\AppData\Local\6yOo\javaws.exe

Filesize
312KB

MD5
f94bc1a70c942621c4279236df284e04

SHA1
8f46d89c7db415a7f48ccd638963028f63df4e4f

SHA256
be9f8986a6c86d9f77978105d48b59eebfec3b9732dbf19e0f3d48bf7f20120c

SHA512
60edf20ca3cae9802263446af266568d0b5e0692eddcfcfc3b2f9a39327b3184613ca994460b919d17a6edc5936b4da16d9033f5138bcfd9bc0f09d88c8dcd52

Download Submit
C:\Users\Admin\AppData\Local\X21rF\UxTheme.dll

Filesize
1.2MB

MD5
20891eb0aa0f891a0fe88fb6ebaee555

SHA1
2cffb7f1c72cd80c856d35b6f09c9bf003645450

SHA256
8e4e69400fc226c90d67e15a16a88a9fc0470aea974a2a6a9a0c7e7c6e40b656

SHA512
21b00f1aa26aa0bef0d0a6396b4b41f9c1a3c0eaeccd5a39a90786994ff3ff9eb6b7554381a959c4f766971c1b13b8687c7cb1ad2129ebf5ab1155603277d8a9

Download Submit
C:\Users\Admin\AppData\Local\X21rF\dwm.exe

Filesize
117KB

MD5
f162d5f5e845b9dc352dd1bad8cef1bc

SHA1
35bc294b7e1f062ef5cb5fa1bd3fc942a3e37ae2

SHA256
8a7b7528db30ab123b060d8e41954d95913c07bb40cdae32e97f9edb0baf79c7

SHA512
7077e800453a4564a24af022636a2f6547bdae2c9c6f4ed080d0c98415ecc4fbf538109cbebd456e321b9b74a00613d647b63998e31925fbd841fc9d4613e851

Download Submit
C:\Users\Admin\AppData\Local\bnqkT\HID.DLL

Filesize
1.2MB

MD5
cdc1ae5eff46bbda45b706553ecbdc76

SHA1
9c0d2c71801d2746608cab02b0b3b23479a744c0

SHA256
bb91e090a7e74d2e44f1b12cabce3caafda7599e3542b8ad43cc45b2d382058d

SHA512
877fc1b24b8a138571df400f7dd86a926cbe16fa94636e629ff500278235a7dbdf65dd46ea6a85f9f7dc9efc873edb6f04477ccecb0f4673c71aa059db2b70e0

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

Filesize
988B

MD5
833c6887239f5b5d373104fdb5d814d2

SHA1
5ec83418c44482aea0823f75934b243373b851c7

SHA256
7f48185da6527ac68f0f0b58e72f713599c919d0e225ddefbe7a9f0720449620

SHA512
60bc34b0c4a52bf5eebd6a9f6a6bb7079da065ea24a6dbe02d8d4fcaa7bb34970f44c0a412f11b10469a9d598c5e7ed248d053c83d99d762b26e9f231d1e5f30

Download Submit
\Users\Admin\AppData\Local\bnqkT\tabcal.exe

Filesize
77KB

MD5
98e7911befe83f76777317ce6905666d

SHA1
2780088dffe1dd1356c5dd5112a9f04afee3ee8d

SHA256
3fe8b63367b4298e70d46e87ce04cc7af5f30dfdb86b79eae41d0731d9415ea1

SHA512
fc0226381d9a6984cccac8282697c78966524e1359f7f6044559b8223e773d3c108dda08a2dd283aa171dca3390801f2c92a5d1dbb978dd7f92a67bd8877b8b6

Download Submit
memory/1200-29-0x00000000773B1000-0x00000000773B2000-memory.dmp

Filesize
4KB

Download
memory/1200-10-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1200-4-0x00000000772A6000-0x00000000772A7000-memory.dmp

Filesize
4KB

Download
memory/1200-26-0x00000000020D0000-0x00000000020D7000-memory.dmp

Filesize
28KB

Download
memory/1200-25-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1200-17-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1200-16-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1200-15-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1200-14-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1200-13-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1200-12-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1200-11-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1200-38-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1200-37-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1200-5-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download
memory/1200-30-0x0000000077540000-0x0000000077542000-memory.dmp

Filesize
8KB

Download
memory/1200-8-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1200-77-0x00000000772A6000-0x00000000772A7000-memory.dmp

Filesize
4KB

Download
memory/1200-7-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1200-9-0x0000000140000000-0x0000000140131000-memory.dmp

Filesize
1.2MB

Download
memory/1376-72-0x000007FEF6200000-0x000007FEF6332000-memory.dmp

Filesize
1.2MB

Download
memory/1376-78-0x0000000000110000-0x0000000000117000-memory.dmp

Filesize
28KB

Download
memory/1376-79-0x000007FEF6200000-0x000007FEF6332000-memory.dmp

Filesize
1.2MB

Download
memory/1628-96-0x0000000001D80000-0x0000000001D87000-memory.dmp

Filesize
28KB

Download
memory/1628-95-0x000007FEF6200000-0x000007FEF6332000-memory.dmp

Filesize
1.2MB

Download
memory/2464-46-0x000007FEF6200000-0x000007FEF6331000-memory.dmp

Filesize
1.2MB

Download
memory/2464-0-0x00000000003A0000-0x00000000003A7000-memory.dmp

Filesize
28KB

Download
memory/2464-1-0x000007FEF6200000-0x000007FEF6331000-memory.dmp

Filesize
1.2MB

Download
memory/2972-60-0x000007FEF6AE0000-0x000007FEF6C12000-memory.dmp

Filesize
1.2MB

Download
memory/2972-57-0x00000000003F0000-0x00000000003F7000-memory.dmp

Filesize
28KB

Download
memory/2972-54-0x000007FEF6AE0000-0x000007FEF6C12000-memory.dmp

Filesize
1.2MB

Download