Analysis
- max time kernel
149s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system - submitted
07/05/2024, 23:03
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
5ce626cc979bced4df80a332aa794800_NEIKI.dll
Resource
win7-20240221-en
10 signatures
150 seconds
General
- Target 5ce626cc979bced4df80a332aa794800_NEIKI.dll
- Size 1.8MB
- Sample240507-21m3lsda3z
- SHA256 445accea40bee73a661f478c9bfd5c9129b49ad86971a3cb25dae06f1a572a14
- MD5 5ce626cc979bced4df80a332aa794800
- SHA1 31f289af6916a9e20780333e928710df52da459d
- SHA512 40473c862c21c3cd44aabdc8ee4b232be2ffb20973049f7deebe792816d43b7e27788d89197a50ff5a9d5f282374a1fd830c0f8f2fdf6663864c853b06cd5090
- SSDEEP 12288:m38uea4w46+K1FZPfxyMs2SRXTajPomqkpyrJXy6mfvHELWUbxdewWRa7Ckhkgjj:M8uea4w467D5/0ypyFYELW8xFZmMXJZ
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/3324-3-0x0000000008510000-0x0000000008511000-memory.dmp dridex_stager_shellcode -
resource yara_rule behavioral2/memory/1484-0-0x0000000140000000-0x00000001401D9000-memory.dmp dridex_payload behavioral2/memory/3324-48-0x0000000140000000-0x00000001401D9000-memory.dmp dridex_payload behavioral2/memory/3324-37-0x0000000140000000-0x00000001401D9000-memory.dmp dridex_payload behavioral2/memory/1484-51-0x0000000140000000-0x00000001401D9000-memory.dmp dridex_payload behavioral2/memory/4344-58-0x0000000140000000-0x00000001401DA000-memory.dmp dridex_payload behavioral2/memory/4344-63-0x0000000140000000-0x00000001401DA000-memory.dmp dridex_payload behavioral2/memory/4084-79-0x0000000140000000-0x00000001401DA000-memory.dmp dridex_payload behavioral2/memory/2216-95-0x0000000140000000-0x00000001401DA000-memory.dmp dridex_payload - Executes dropped EXE 3 IoCs
pid Process 4344 slui.exe 4084 wextract.exe 2216 sethc.exe - Loads dropped DLL 3 IoCs
pid Process 4344 slui.exe 4084 wextract.exe 2216 sethc.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ramyketlbwvbqf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\OneNote\\16.0\\MeoePkQM6j\\wextract.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 slui.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA wextract.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA sethc.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Process not Found - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1484 rundll32.exe 1484 rundll32.exe 1484 rundll32.exe 1484 rundll32.exe 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found 3324 Process not Found - Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 3324 Process not Found Token: SeCreatePagefilePrivilege 3324 Process not Found Token: SeShutdownPrivilege 3324 Process not Found Token: SeCreatePagefilePrivilege 3324 Process not Found Token: SeShutdownPrivilege 3324 Process not Found Token: SeCreatePagefilePrivilege 3324 Process not Found Token: SeShutdownPrivilege 3324 Process not Found Token: SeCreatePagefilePrivilege 3324 Process not Found Token: SeShutdownPrivilege 3324 Process not Found Token: SeCreatePagefilePrivilege 3324 Process not Found Token: SeShutdownPrivilege 3324 Process not Found Token: SeCreatePagefilePrivilege 3324 Process not Found - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3324 Process not Found 3324 Process not Found - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3324 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3324 wrote to memory of 2080 3324 Process not Found 96 PID 3324 wrote to memory of 2080 3324 Process not Found 96 PID 3324 wrote to memory of 4344 3324 Process not Found 97 PID 3324 wrote to memory of 4344 3324 Process not Found 97 PID 3324 wrote to memory of 5224 3324 Process not Found 100 PID 3324 wrote to memory of 5224 3324 Process not Found 100 PID 3324 wrote to memory of 4084 3324 Process not Found 101 PID 3324 wrote to memory of 4084 3324 Process not Found 101 PID 3324 wrote to memory of 1900 3324 Process not Found 102 PID 3324 wrote to memory of 1900 3324 Process not Found 102 PID 3324 wrote to memory of 2216 3324 Process not Found 103 PID 3324 wrote to memory of 2216 3324 Process not Found 103 - 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
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5ce626cc979bced4df80a332aa794800_NEIKI.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:1484
-
C:\Windows\system32\slui.exeC:\Windows\system32\slui.exe1⤵PID:2080
-
C:\Users\Admin\AppData\Local\34fLLx\slui.exeC:\Users\Admin\AppData\Local\34fLLx\slui.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:4344
-
C:\Windows\system32\wextract.exeC:\Windows\system32\wextract.exe1⤵PID:5224
-
C:\Users\Admin\AppData\Local\BvhF9Ov\wextract.exeC:\Users\Admin\AppData\Local\BvhF9Ov\wextract.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:4084
-
C:\Windows\system32\sethc.exeC:\Windows\system32\sethc.exe1⤵PID:1900
-
C:\Users\Admin\AppData\Local\Y9RLgl\sethc.exeC:\Users\Admin\AppData\Local\Y9RLgl\sethc.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2216
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\34fLLx\SLC.dll
- Size 1.9MB
- SHA256 72f7f63b4844cae7e8b29c2610eb780f3afa3e2fc86df33f6832a398c03c2758
- MD5 23366eb85df1dc3f6d028ae02af7a579
- SHA1 774f717f581bcd9f640e8d5f938133cdc339bbee
- SHA512 51070cc7340c787e989bf6ad41f6c48f5795881dd76098f25ba465c9cbdf3fd1757133ace5e7bfc68e44c5d00a1de534c20ce108930f6da612e77e55f1bea4c2
- SSDEEP 24576:Y8uea4w467D5/0ypyFYELW8xFZmMXJZ91:GXyFYELpT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\34fLLx\slui.exe
- Size 534KB
- SHA256 25e7624d469a592934ab8c509d12c153c2799e604c2a4b8a83650a7268577dff
- MD5 eb725ea35a13dc18eac46aa81e7f2841
- SHA1 c0b3304c970324952e18c4a51073e3bdec73440b
- SHA512 39192a1fad29654b3769f007298eff049d0688a3cb51390833ec563f44f9931cd3f6f8693db37b649b061b5aab379b166c15dade56d0fc414375243320375b26
- SSDEEP 12288:h0RtNWU//5TEDbZUfBsphGkQhHBcyxlT2Lq3nyR:h07NWu/KUYGk4nXT2m3
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\BvhF9Ov\VERSION.dll
- Size 1.9MB
- SHA256 039d73df02053334c88335e2bc7ac613ed1ea545cc341dd63b88e55c0e2ef787
- MD5 ade97477402549bbe72b24d53f7ac331
- SHA1 37542a2cf2882c7153c0fe6e98ff7df7043be348
- SHA512 0c1eeab82dea4542a2baf4ee881c63c300fc265fa7b103a41f0d4e8c376b5ac753c0da516ece8239c7e46747f70b2eb41cad064eb67f0a59c81627a7c4da861e
- SSDEEP 12288:K38uea4w46+K1FZPfxyMs2SRXTajPomqkpyrJXy6mfvHELWUbxdewWRa7CkhkgjS:o8uea4w467D5/0ypyFYELW8xFZmMXJZ
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\BvhF9Ov\wextract.exe
- Size 143KB
- SHA256 fbb6dc62abeeb222b49a63f43dc6eea96f3d7e9a8da55381c15d57a5d099f3e0
- MD5 56e501e3e49cfde55eb1caabe6913e45
- SHA1 ab2399cbf17dbee7b302bea49e40d4cee7caea76
- SHA512 2b536e86cbd8ab026529ba2c72c0fda97e9b6f0bc4fd96777024155852670cb41d17937cde372a44cdbad3e53b8cd3ef1a4a3ee9b34dfb3c2069822095f7a172
- SSDEEP 3072:fahKyd2n31jcWp1icKAArDZz4N9GhbkUNEk956:fahOddp0yN90vE
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Y9RLgl\WTSAPI32.dll
- Size 1.9MB
- SHA256 8d1ae730edcfcc51c42d4b7859ad9b122c4c0fb267ae9554b3c68a6e2052d761
- MD5 2eee7d9b52b6f4b0b9fc072aa5a40dc9
- SHA1 92c71761d808371bfdd962be063363f971e992d7
- SHA512 a19c26f95a422f2203abc17a47c22092e7dfdda6662c71281b055bedb06d3f0ab0bafdc4bcc7645bffd51adb5c55f57bb4621c162a668ea4bcbf08c4f306a7e7
- SSDEEP 12288:+38uea4w46+K1FZPfxyMs2SRXTajPomqkpyrJXy6mfvHELWUbxdewWRa7CkhkgjS:E8uea4w467D5/0ypyFYELW8xFZmMXJZ
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Y9RLgl\sethc.exe
- Size 104KB
- SHA256 615b2f2d7e3fce340839a9b54bdc3445eb2333d0fafee477d6113379e90935b8
- MD5 8ba3a9702a3f1799431cad6a290223a6
- SHA1 9c7dc9b6830297c8f759d1f46c8b36664e26c031
- SHA512 680c216d54f4fd2a14f0398e4461c8340ac15acdca75c36a42083625e1081d5e7d262c4c12296b6f21ba2f593f92816edf1c9a0cf4cbee23588e590713b87746
- SSDEEP 3072:1atXdQaL4XqVpGlqWRNp756WGrzH5GNz:eXNsqVklqWRNp75NuY
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Ehesgegqlj.lnk
- Size 1KB
- SHA256 984e31b0c3133cb0aa7876bb815320af8dde6c6ebe674278922e1a1555acd454
- MD5 015640e0ae74f31a3924e802c0f5db08
- SHA1 8d4f16cbf5f79b0029bea320da024ae0fed18a1f
- SHA512 defb5ab25af5319a43e9e7caecec6d2e390b43587bc9fb7072c6fb8b07331154fa4f4cc794859c6f395bea866d927c87d560a71a8724b13815c9f3e77c215038
- MD5 SHA1 SHA512