Analysis Overview
SHA256
c63d693aeaeec9649810d7e3576bef8108dbe656ebc0e321ff84cfafd24e0e84
Threat Level: Known bad
The file aca461c03b000d711cb9e83622fcd34e was found to be: Known bad.
Malicious Activity Summary
Detect Lumma Stealer payload V4
Lumma Stealer
Executes dropped EXE
Loads dropped DLL
ASPack v2.12-2.42
Drops file in System32 directory
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-02-28 19:16
Signatures
ASPack v2.12-2.42
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-28 19:16
Reported
2024-02-28 19:18
Platform
win7-20240221-en
Max time kernel
138s
Max time network
122s
Command Line
Signatures
Detect Lumma Stealer payload V4
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Lumma Stealer
ASPack v2.12-2.42
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\aca461c03b000d711cb9e83622fcd34e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\aca461c03b000d711cb9e83622fcd34e.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File created | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File created | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File created | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\mdms.exe | C:\Users\Admin\AppData\Local\Temp\aca461c03b000d711cb9e83622fcd34e.exe | N/A |
| File created | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File created | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File created | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File created | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File created | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File created | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File created | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File created | C:\Windows\SysWOW64\mdms.exe | C:\Users\Admin\AppData\Local\Temp\aca461c03b000d711cb9e83622fcd34e.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\aca461c03b000d711cb9e83622fcd34e.exe
"C:\Users\Admin\AppData\Local\Temp\aca461c03b000d711cb9e83622fcd34e.exe"
C:\Windows\SysWOW64\mdms.exe
C:\Windows\system32\mdms.exe 448 "C:\Users\Admin\AppData\Local\Temp\aca461c03b000d711cb9e83622fcd34e.exe"
C:\Windows\SysWOW64\mdms.exe
C:\Windows\system32\mdms.exe 508 "C:\Windows\SysWOW64\mdms.exe"
C:\Windows\SysWOW64\mdms.exe
C:\Windows\system32\mdms.exe 512 "C:\Windows\SysWOW64\mdms.exe"
C:\Windows\SysWOW64\mdms.exe
C:\Windows\system32\mdms.exe 516 "C:\Windows\SysWOW64\mdms.exe"
C:\Windows\SysWOW64\mdms.exe
C:\Windows\system32\mdms.exe 520 "C:\Windows\SysWOW64\mdms.exe"
C:\Windows\SysWOW64\mdms.exe
C:\Windows\system32\mdms.exe 524 "C:\Windows\SysWOW64\mdms.exe"
C:\Windows\SysWOW64\mdms.exe
C:\Windows\system32\mdms.exe 528 "C:\Windows\SysWOW64\mdms.exe"
C:\Windows\SysWOW64\mdms.exe
C:\Windows\system32\mdms.exe 532 "C:\Windows\SysWOW64\mdms.exe"
C:\Windows\SysWOW64\mdms.exe
C:\Windows\system32\mdms.exe 536 "C:\Windows\SysWOW64\mdms.exe"
C:\Windows\SysWOW64\mdms.exe
C:\Windows\system32\mdms.exe 540 "C:\Windows\SysWOW64\mdms.exe"
Network
Files
memory/2072-0-0x0000000000400000-0x0000000000484000-memory.dmp
\Windows\SysWOW64\mdms.exe
| MD5 | aca461c03b000d711cb9e83622fcd34e |
| SHA1 | bcda5a2373a5ec80e3180c364555b8afbf463198 |
| SHA256 | c63d693aeaeec9649810d7e3576bef8108dbe656ebc0e321ff84cfafd24e0e84 |
| SHA512 | 2b3d8b1f42d66983d3ef3f610264843ecbe60bbe0a0b87170cf714b1731d7efbb7aa3cd2f207d1c072104042388ac742eaac6a87203d1b14410fa6d95151513b |
memory/2072-11-0x00000000007C0000-0x0000000000844000-memory.dmp
memory/1792-12-0x0000000000400000-0x0000000000484000-memory.dmp
memory/2072-14-0x0000000000400000-0x0000000000484000-memory.dmp
memory/2552-18-0x0000000000400000-0x0000000000484000-memory.dmp
memory/1792-19-0x0000000000400000-0x0000000000484000-memory.dmp
memory/2436-23-0x0000000000400000-0x0000000000484000-memory.dmp
memory/2552-24-0x0000000000400000-0x0000000000484000-memory.dmp
memory/2308-28-0x0000000000400000-0x0000000000484000-memory.dmp
memory/2436-29-0x0000000000400000-0x0000000000484000-memory.dmp
memory/2308-33-0x0000000000400000-0x0000000000484000-memory.dmp
memory/112-38-0x0000000000400000-0x0000000000484000-memory.dmp
memory/1060-37-0x0000000002800000-0x0000000002884000-memory.dmp
memory/1060-39-0x0000000000400000-0x0000000000484000-memory.dmp
memory/1788-43-0x0000000000400000-0x0000000000484000-memory.dmp
memory/112-44-0x0000000000400000-0x0000000000484000-memory.dmp
memory/1788-48-0x0000000000400000-0x0000000000484000-memory.dmp
memory/2280-52-0x0000000000400000-0x0000000000484000-memory.dmp
memory/1752-53-0x0000000000400000-0x0000000000484000-memory.dmp
memory/2280-57-0x0000000000400000-0x0000000000484000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-28 19:16
Reported
2024-02-28 19:18
Platform
win10v2004-20240226-en
Max time kernel
144s
Max time network
150s
Command Line
Signatures
Detect Lumma Stealer payload V4
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Lumma Stealer
ASPack v2.12-2.42
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mdms.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File created | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File created | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File created | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\mdms.exe | C:\Users\Admin\AppData\Local\Temp\aca461c03b000d711cb9e83622fcd34e.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File created | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File created | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File created | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File created | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File created | C:\Windows\SysWOW64\mdms.exe | C:\Users\Admin\AppData\Local\Temp\aca461c03b000d711cb9e83622fcd34e.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File created | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File created | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File created | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\mdms.exe | C:\Windows\SysWOW64\mdms.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\aca461c03b000d711cb9e83622fcd34e.exe
"C:\Users\Admin\AppData\Local\Temp\aca461c03b000d711cb9e83622fcd34e.exe"
C:\Windows\SysWOW64\mdms.exe
C:\Windows\system32\mdms.exe 1008 "C:\Users\Admin\AppData\Local\Temp\aca461c03b000d711cb9e83622fcd34e.exe"
C:\Windows\SysWOW64\mdms.exe
C:\Windows\system32\mdms.exe 1128 "C:\Windows\SysWOW64\mdms.exe"
C:\Windows\SysWOW64\mdms.exe
C:\Windows\system32\mdms.exe 1096 "C:\Windows\SysWOW64\mdms.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4080 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
C:\Windows\SysWOW64\mdms.exe
C:\Windows\system32\mdms.exe 1104 "C:\Windows\SysWOW64\mdms.exe"
C:\Windows\SysWOW64\mdms.exe
C:\Windows\system32\mdms.exe 1100 "C:\Windows\SysWOW64\mdms.exe"
C:\Windows\SysWOW64\mdms.exe
C:\Windows\system32\mdms.exe 1108 "C:\Windows\SysWOW64\mdms.exe"
C:\Windows\SysWOW64\mdms.exe
C:\Windows\system32\mdms.exe 1112 "C:\Windows\SysWOW64\mdms.exe"
C:\Windows\SysWOW64\mdms.exe
C:\Windows\system32\mdms.exe 1120 "C:\Windows\SysWOW64\mdms.exe"
C:\Windows\SysWOW64\mdms.exe
C:\Windows\system32\mdms.exe 1116 "C:\Windows\SysWOW64\mdms.exe"
C:\Windows\SysWOW64\mdms.exe
C:\Windows\system32\mdms.exe 1124 "C:\Windows\SysWOW64\mdms.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 201.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | 58.99.105.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.239.69.13.in-addr.arpa | udp |
Files
memory/3556-0-0x0000000000400000-0x0000000000484000-memory.dmp
C:\Windows\SysWOW64\mdms.exe
| MD5 | aca461c03b000d711cb9e83622fcd34e |
| SHA1 | bcda5a2373a5ec80e3180c364555b8afbf463198 |
| SHA256 | c63d693aeaeec9649810d7e3576bef8108dbe656ebc0e321ff84cfafd24e0e84 |
| SHA512 | 2b3d8b1f42d66983d3ef3f610264843ecbe60bbe0a0b87170cf714b1731d7efbb7aa3cd2f207d1c072104042388ac742eaac6a87203d1b14410fa6d95151513b |
memory/3556-7-0x0000000000400000-0x0000000000484000-memory.dmp
memory/5028-9-0x0000000000400000-0x0000000000484000-memory.dmp
memory/4908-11-0x0000000000400000-0x0000000000484000-memory.dmp
memory/3936-13-0x0000000000400000-0x0000000000484000-memory.dmp
memory/3732-15-0x0000000000400000-0x0000000000484000-memory.dmp
memory/1020-17-0x0000000000400000-0x0000000000484000-memory.dmp
memory/4784-19-0x0000000000400000-0x0000000000484000-memory.dmp
memory/3876-21-0x0000000000400000-0x0000000000484000-memory.dmp
memory/4328-23-0x0000000000400000-0x0000000000484000-memory.dmp
C:\Windows\SysWOW64\mdms.exe
| MD5 | 877bc0fe40ef94661213b364bb05fd16 |
| SHA1 | dff41114f3999b711135eda8fcf0c5b61ec04c55 |
| SHA256 | 1b0a673505d2fc2a480bebc54ea8e489f931ae26ac8f59e611c5308b88eaeb66 |
| SHA512 | 218326052c0e969f49d5531e6e1cd92e903329c3c737fbf8d14ec3fc5301f07287c104bdecf38f72f336b3dff24fad7a5cfbc0a6bd0d558f0aa971c1fcb4aa80 |
memory/212-25-0x0000000000400000-0x0000000000484000-memory.dmp