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Analysis
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max time kernel
149s -
max time network
18s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
17/07/2024, 06:49
Static task
static1
Behavioral task
behavioral1
Sample
3dffdf9e09ce072d12ff2e1a69fe7aaef98a2bb4728ca08f164be06408acdd2d.dll
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
3dffdf9e09ce072d12ff2e1a69fe7aaef98a2bb4728ca08f164be06408acdd2d.dll
Resource
win10v2004-20240709-en
General
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Target
3dffdf9e09ce072d12ff2e1a69fe7aaef98a2bb4728ca08f164be06408acdd2d.dll
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Size
824KB
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MD5
6651d9c2fbf38bce55c461d94c2cf433
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SHA1
133be7fe7e9f7f580df12bccb7f7ae14d1c26fc9
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SHA256
3dffdf9e09ce072d12ff2e1a69fe7aaef98a2bb4728ca08f164be06408acdd2d
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SHA512
01f284c09ac85fe1dbc2415fed87c48a4b61f5dbadb7ff17cfbe628f1d99202bca9cdabbc413c7c3c6cae87cb0adc0c6f6cd5e0f7182016685b3b61af1630416
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SSDEEP
12288:dBim9Tnts08FbKuPcA8NAc1l/XkGaZKoRQIpRX2/0Ak2ng/Zi66wNdufAdN:f/nts0Q9K/0ooRQIxAk2wi0N/
Malware Config
Signatures
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resource yara_rule behavioral1/memory/1420-4-0x00000000024F0000-0x00000000024F1000-memory.dmp dridex_stager_shellcode -
resource yara_rule behavioral1/memory/1756-0-0x000007FEF72A0000-0x000007FEF736E000-memory.dmp dridex_payload behavioral1/memory/1420-38-0x0000000140000000-0x00000001400CE000-memory.dmp dridex_payload behavioral1/memory/1420-30-0x0000000140000000-0x00000001400CE000-memory.dmp dridex_payload behavioral1/memory/1420-50-0x0000000140000000-0x00000001400CE000-memory.dmp dridex_payload behavioral1/memory/1420-49-0x0000000140000000-0x00000001400CE000-memory.dmp dridex_payload behavioral1/memory/1756-58-0x000007FEF72A0000-0x000007FEF736E000-memory.dmp dridex_payload behavioral1/memory/2612-66-0x000007FEF7150000-0x000007FEF721F000-memory.dmp dridex_payload behavioral1/memory/2612-71-0x000007FEF7150000-0x000007FEF721F000-memory.dmp dridex_payload behavioral1/memory/1972-83-0x000007FEFA5F0000-0x000007FEFA6BF000-memory.dmp dridex_payload behavioral1/memory/1972-88-0x000007FEFA5F0000-0x000007FEFA6BF000-memory.dmp dridex_payload behavioral1/memory/2640-104-0x000007FEFA5F0000-0x000007FEFA6BF000-memory.dmp dridex_payload -
Executes dropped EXE 3 IoCs
pid Process 2612 rekeywiz.exe 1972 raserver.exe 2640 mspaint.exe -
Loads dropped DLL 7 IoCs
pid Process 1420 Process not Found 2612 rekeywiz.exe 1420 Process not Found 1972 raserver.exe 1420 Process not Found 2640 mspaint.exe 1420 Process not Found -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\Qiarkhdaw = "C:\\Users\\Admin\\AppData\\Roaming\\MICROS~1\\Windows\\STARTM~1\\vWGN\\raserver.exe" Process not Found -
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 rekeywiz.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA raserver.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mspaint.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1756 rundll32.exe 1756 rundll32.exe 1756 rundll32.exe 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found 1420 Process not Found -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1420 wrote to memory of 2780 1420 Process not Found 29 PID 1420 wrote to memory of 2780 1420 Process not Found 29 PID 1420 wrote to memory of 2780 1420 Process not Found 29 PID 1420 wrote to memory of 2612 1420 Process not Found 30 PID 1420 wrote to memory of 2612 1420 Process not Found 30 PID 1420 wrote to memory of 2612 1420 Process not Found 30 PID 1420 wrote to memory of 1680 1420 Process not Found 31 PID 1420 wrote to memory of 1680 1420 Process not Found 31 PID 1420 wrote to memory of 1680 1420 Process not Found 31 PID 1420 wrote to memory of 1972 1420 Process not Found 32 PID 1420 wrote to memory of 1972 1420 Process not Found 32 PID 1420 wrote to memory of 1972 1420 Process not Found 32 PID 1420 wrote to memory of 2948 1420 Process not Found 33 PID 1420 wrote to memory of 2948 1420 Process not Found 33 PID 1420 wrote to memory of 2948 1420 Process not Found 33 PID 1420 wrote to memory of 2640 1420 Process not Found 34 PID 1420 wrote to memory of 2640 1420 Process not Found 34 PID 1420 wrote to memory of 2640 1420 Process not Found 34 -
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.
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3dffdf9e09ce072d12ff2e1a69fe7aaef98a2bb4728ca08f164be06408acdd2d.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:1756
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C:\Windows\system32\rekeywiz.exeC:\Windows\system32\rekeywiz.exe1⤵PID:2780
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C:\Users\Admin\AppData\Local\3KfLYW\rekeywiz.exeC:\Users\Admin\AppData\Local\3KfLYW\rekeywiz.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2612
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C:\Windows\system32\raserver.exeC:\Windows\system32\raserver.exe1⤵PID:1680
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C:\Users\Admin\AppData\Local\IJICFO\raserver.exeC:\Users\Admin\AppData\Local\IJICFO\raserver.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1972
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C:\Windows\system32\mspaint.exeC:\Windows\system32\mspaint.exe1⤵PID:2948
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C:\Users\Admin\AppData\Local\12d1jd\mspaint.exeC:\Users\Admin\AppData\Local\12d1jd\mspaint.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2640
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
828KB
MD5082d2e35a838816c5f4f5b9f0e813f44
SHA13bf849cdddbfe2edb5588818ac60700a713e48c7
SHA2564f65538894d0c00002dfb15692676938d4e072e01c0c1ea6c887fc7d0da7d652
SHA5124167472a54080169730a5cb3ccd8bb2a4e00dc33abe7a68e62e12d15f77a6a23b8fdd2bf282962bd12aed539500373bac966cdb10d9b94cf35ffdcaf6d55507f
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Filesize
67KB
MD5767c75767b00ccfd41a547bb7b2adfff
SHA191890853a5476def402910e6507417d400c0d3cb
SHA256bd70e504871a2ac1c883d19b87970c8d1b8b251c784bf777ba77ed764f5f2395
SHA512f096043452a1aa213a5e4d62638de3ee4b0b3ad3d12b7ee0372d8c79e00e2e13b4fd0ebc4206bbdb5124bed292dd5b30ef1641288046ef835f89c332985154f9
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Filesize
828KB
MD5d9cf7e4fd97f7c27b97c504ad0a890e6
SHA1dc2d33e08b1fa5351383dc032dcdfef6594a70d7
SHA256689c70433f69ad587605e325127bf8fbd2d8fd75c2d3bdcb5cd772ba18123829
SHA51212ff2aa736b5ea23839b03d6bc099b17a0d43359bf71430e57c1f12d0253b046220c15099ca71bb8daf09b1410eafbfd65c1358b2ef6d87c1780903dcfacad56
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Filesize
828KB
MD541d476e55526a079a2fee5936ee3b4c1
SHA16b102bf6edbb87a5a83d9f60d08313b890ae1b17
SHA25644d7b6685c6151315373a96c66f51837f1f351a6008c224224705f3d6b680e4b
SHA512e2e0228fd22e37f916674b0782609596dd3154644442353c64ca520bb3cc464d673c3a3c1e0fa781f9ae6d82185217a6face5d2c029263cab353f383c91036d8
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Filesize
1KB
MD5d1335fa3e50e343af1fe4f71655b447c
SHA181a766ce8ba5850c13392c5981480f02cc69d4bd
SHA2565b08d38f31d8537909a9b451637a55767f0a7d9c30fea1c9f5e0b9d559fe35ca
SHA512c77b16bb1f0ef0b4a2b702e799351aa9e299543cfc060f8a5b67caec26ad75dbbc19ada8abcd95896e0f33a99b95c5b9931f37b0036eb50592a9b15cb12265f5
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Filesize
6.4MB
MD5458f4590f80563eb2a0a72709bfc2bd9
SHA13f97dc3bd1467c710c6a8d26b97bb6cf47deb4c6
SHA256ff923c051ae380bf30d749ebe9cf310ccab6572d84eb81b76fb1012bcbdf557f
SHA512e34500658dbe105a704fff6988b75d13aa9931adfd585b8ce1f023c61abd573d58067ee1f43e80076729ba99c9a00c17eb8cfcfac9c3d271d76bd251ccab1681
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Filesize
123KB
MD5cd0bc0b6b8d219808aea3ecd4e889b19
SHA19f8f4071ce2484008e36fdfd963378f4ebad703f
SHA25616abc530c0367df1ad631f09e14c565cf99561949aa14acc533cd54bf8a5e22c
SHA51284291ea3fafb38ef96817d5fe4a972475ef8ea24a4353568029e892fa8e15cf8e8f6ef4ff567813cd3b38092f0db4577d9dccb22be755eebdd4f77e623dc80ac