dridex | 5af0a2900c62e7719bab11ff2e1b919266722b295b68e36c7112d036cc15afb5

General

Target

54af4213db5f39efc01549040d6bd451_JaffaCakes118.dll
Size

994KB
MD5

54af4213db5f39efc01549040d6bd451
SHA1

0d8faf654805116aba476def35902b5c4f9ac363
SHA256

5af0a2900c62e7719bab11ff2e1b919266722b295b68e36c7112d036cc15afb5
SHA512

8e3608df45d882c57400e9f1497a8f9e9be57a519626ff72c28c40c7833c915beb5544b06f4b34217b3c0c0f7b2696bbf72ff78a7182a3e7247ee81055b57b4d
SSDEEP

24576:dVHchfFcSTdS1ZikTqpaIJvzSqbY/0Z2ZlECMNXkTlzvmJL8:dV8hf6STw1ZlQauvzSq01ICe6zvm

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
behavioral2/memory/3520-4-0x0000000002AF0000-0x0000000002AF1000-memory.dmp	dridex_stager_shellcode

Executes dropped EXE 3 IoCs

Processes:

quickassist.exemstsc.exeInfDefaultInstall.exe

pid process

2064 quickassist.exe
1280 mstsc.exe
4832 InfDefaultInstall.exe
Loads dropped DLL 3 IoCs

Processes:

quickassist.exemstsc.exeInfDefaultInstall.exe

pid process

2064 quickassist.exe
1280 mstsc.exe
4832 InfDefaultInstall.exe

pid	process
2064	quickassist.exe
1280	mstsc.exe
4832	InfDefaultInstall.exe

pid	process
2064	quickassist.exe
1280	mstsc.exe
4832	InfDefaultInstall.exe

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-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Pruztwesow = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\AddIns\\lO5lK\\mstsc.exe"

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

rundll32.exequickassist.exemstsc.exeInfDefaultInstall.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	quickassist.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstsc.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	InfDefaultInstall.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exe

pid	process
3300	rundll32.exe
3300	rundll32.exe
3300	rundll32.exe
3300	rundll32.exe
3520
3520
3520
3520
3520
3520
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3520

Suspicious use of UnmapMainImage 1 IoCs

Processes:

pid process

3520

pid	process
3520

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

description	pid	target process
PID 3520 wrote to memory of 1784	3520	quickassist.exe
PID 3520 wrote to memory of 1784	3520	quickassist.exe
PID 3520 wrote to memory of 2064	3520	quickassist.exe
PID 3520 wrote to memory of 2064	3520	quickassist.exe
PID 3520 wrote to memory of 1036	3520	mstsc.exe
PID 3520 wrote to memory of 1036	3520	mstsc.exe
PID 3520 wrote to memory of 1280	3520	mstsc.exe
PID 3520 wrote to memory of 1280	3520	mstsc.exe
PID 3520 wrote to memory of 3852	3520	InfDefaultInstall.exe
PID 3520 wrote to memory of 3852	3520	InfDefaultInstall.exe
PID 3520 wrote to memory of 4832	3520	InfDefaultInstall.exe
PID 3520 wrote to memory of 4832	3520	InfDefaultInstall.exe

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\54af4213db5f39efc01549040d6bd451_JaffaCakes118.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:3300

C:\Windows\system32\quickassist.exe
C:\Windows\system32\quickassist.exe
1⤵
PID:1784

C:\Users\Admin\AppData\Local\R1TzX\quickassist.exe
C:\Users\Admin\AppData\Local\R1TzX\quickassist.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2064

C:\Windows\system32\mstsc.exe
C:\Windows\system32\mstsc.exe
1⤵
PID:1036

C:\Users\Admin\AppData\Local\KkG\mstsc.exe
C:\Users\Admin\AppData\Local\KkG\mstsc.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1280

C:\Windows\system32\InfDefaultInstall.exe
C:\Windows\system32\InfDefaultInstall.exe
1⤵
PID:3852

C:\Users\Admin\AppData\Local\oXQzSf\InfDefaultInstall.exe
C:\Users\Admin\AppData\Local\oXQzSf\InfDefaultInstall.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:4832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\KkG\VERSION.dll

Filesize
995KB

MD5
2da9d1b3f154a0be1a008948ba4debc3

SHA1
4bbc0319d7efed749e3aaf6f80be8c496f174ade

SHA256
4e9da0b48bfbd0bd83ec5928e6796e3e990dac80691fb74dfeb4ea7c170d6bf1

SHA512
582e1de093e858808ddbb88b4271fa0c8598d87cdc8e75d3c6549988b0592f2e29e1b69d0164baa433d21a8745e4819cd98a5347681f228404aca6401f36132c

Download Submit
C:\Users\Admin\AppData\Local\KkG\mstsc.exe

Filesize
1.5MB

MD5
3a26640414cee37ff5b36154b1a0b261

SHA1
e0c28b5fdf53a202a7543b67bbc97214bad490ed

SHA256
1d1b6b2edac7ac6494c9eecda3afb804f679d7190f4d1a80929380e85743823f

SHA512
76fc70ead57ddacd3dbcec1a4772bd46924d30b30018a36b13052d2f7272cc86b63bf85d5e4ec04aac08630d4b2637ca6e7d35c08ce6b675d63ed011f7d95ba2

Download Submit
C:\Users\Admin\AppData\Local\R1TzX\UxTheme.dll

Filesize
997KB

MD5
212605a5773ae264665f43e9ca8cd404

SHA1
3563bafbeb07d2a17ce17e8c3f92b8d6c08f446e

SHA256
aa8bfb2a0193e56e9ffccaec787dbccc33cd8eaee6407ad230bd53ef14e63f8c

SHA512
4f361de52959750714b541f62e98f05b317556d28bf75641816edcbdb18dd8330427bcf1cb4363d6eb8989435ef932be213c6ae0915a10561e7c9c1c07ea07bc

Download Submit
C:\Users\Admin\AppData\Local\R1TzX\quickassist.exe

Filesize
665KB

MD5
d1216f9b9a64fd943539cc2b0ddfa439

SHA1
6fad9aeb7780bdfd88a9a5a73b35b3e843605e6c

SHA256
c1e8fda00da574e8759ba262d76b6edc1d5f4a80620730ef0be7527e0d803db2

SHA512
c5fd7d81d1d478056fcbed0ba887ce551832f0104e7c31753c3c8760b4d63f38324f74e996684042acc8f9682fce8a8c85172741a868257e87d5e0f988c4e567

Download Submit
C:\Users\Admin\AppData\Local\oXQzSf\InfDefaultInstall.exe

Filesize
13KB

MD5
ee18876c1e5de583de7547075975120e

SHA1
f7fcb3d77da74deee25de9296a7c7335916504e3

SHA256
e59127b5fe82714956c7a1f10392a8673086a8e1f609e059935c7da1fa015a5d

SHA512
08bc4d28b8f528582c58175a74871dd33ac97955c3709c991779fc34b5ba4b2ba6ff40476d9f59345b61b0153fd932b0ea539431a67ff5012cb2ac8ab392f73c

Download Submit
C:\Users\Admin\AppData\Local\oXQzSf\newdev.dll

Filesize
995KB

MD5
ab1dfde67776a51534cca2ceeaba5454

SHA1
3544200b2e68d3d359ff057ca0da5efe5c534a6c

SHA256
66baebd9334bfdabf76bdc634f44302a2937de3d8c7898c0c55a2e5bad2afca0

SHA512
c05aff43b906f36d06893cc030d995528de81664fd9a07cf5e1fb2aca33d92d23ac7e9f8976ff29e1058508600c9779cdc4ea28afcfb44d3e1ae4a1ef6ee0843

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

Filesize
1KB

MD5
3cf99342a44780c0ff253d0cd6b5b473

SHA1
74ac7cc83dcc98fcd05f4d0cbdba6772b46f2aa6

SHA256
dcbcdecc9df57b53ef867679896664797ae95123992f7e628a774be74121af54

SHA512
d1351a183c0324a14515d879ad05740ca420582cb9e8b091887709e395643fdc155def56362d34e2181a25873d06c7106fe2c4357134eeb134e3a9e8808179a5

Download Submit
memory/1280-64-0x00000210EBCC0000-0x00000210EBCC7000-memory.dmp

Filesize
28KB

Download
memory/1280-66-0x0000000140000000-0x00000001400FE000-memory.dmp

Filesize
1016KB

Download
memory/2064-44-0x0000000140000000-0x00000001400FE000-memory.dmp

Filesize
1016KB

Download
memory/2064-50-0x0000000140000000-0x00000001400FE000-memory.dmp

Filesize
1016KB

Download
memory/2064-47-0x000001D074180000-0x000001D074187000-memory.dmp

Filesize
28KB

Download
memory/3300-0-0x0000000140000000-0x00000001400FD000-memory.dmp

Filesize
1012KB

Download
memory/3300-37-0x0000000140000000-0x00000001400FD000-memory.dmp

Filesize
1012KB

Download
memory/3300-3-0x0000025E26820000-0x0000025E26827000-memory.dmp

Filesize
28KB

Download
memory/3520-28-0x00007FFFB65B0000-0x00007FFFB65C0000-memory.dmp

Filesize
64KB

Download
memory/3520-14-0x0000000140000000-0x00000001400FD000-memory.dmp

Filesize
1012KB

Download
memory/3520-8-0x0000000140000000-0x00000001400FD000-memory.dmp

Filesize
1012KB

Download
memory/3520-9-0x0000000140000000-0x00000001400FD000-memory.dmp

Filesize
1012KB

Download
memory/3520-10-0x0000000140000000-0x00000001400FD000-memory.dmp

Filesize
1012KB

Download
memory/3520-11-0x0000000140000000-0x00000001400FD000-memory.dmp

Filesize
1012KB

Download
memory/3520-12-0x0000000140000000-0x00000001400FD000-memory.dmp

Filesize
1012KB

Download
memory/3520-34-0x0000000140000000-0x00000001400FD000-memory.dmp

Filesize
1012KB

Download
memory/3520-27-0x0000000002B10000-0x0000000002B17000-memory.dmp

Filesize
28KB

Download
memory/3520-23-0x0000000140000000-0x00000001400FD000-memory.dmp

Filesize
1012KB

Download
memory/3520-13-0x0000000140000000-0x00000001400FD000-memory.dmp

Filesize
1012KB

Download
memory/3520-7-0x0000000140000000-0x00000001400FD000-memory.dmp

Filesize
1012KB

Download
memory/3520-4-0x0000000002AF0000-0x0000000002AF1000-memory.dmp

Filesize
4KB

Download
memory/3520-6-0x00007FFFB642A000-0x00007FFFB642B000-memory.dmp

Filesize
4KB

Download
memory/4832-82-0x0000000140000000-0x00000001400FE000-memory.dmp

Filesize
1016KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads