Analysis
- max time kernel
141s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
04/06/2024, 19:49
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
d4f7ce5b6dbc08e933bfbdd4a8581c70_NeikiAnalytics.dll
Resource
win7-20240221-en
13 signatures
150 seconds
General
- Target d4f7ce5b6dbc08e933bfbdd4a8581c70_NeikiAnalytics.dll
- Size 362KB
- Sample240604-yj2b5ahe2v
- SHA256 01f153f2f9746be0c5da73e7383fe16d391011141a3bf19aae595550e82dae91
- MD5 d4f7ce5b6dbc08e933bfbdd4a8581c70
- SHA1 3be7dd6d012be2ed1cb351fb8355bd29465e6203
- SHA512 c78c84984890d3f6fb6c58a6fd4e4ab05ea175293957ca7068835b1f6d7ef458ae2a29c166a093ee07aa9605174b5861c83893eb0feb6b973342bb3dfd201320
- SSDEEP 6144:zNZcj6qhhdPlLvWb/pTkMWsQZcP217ynNFUm29uhUPeDqFodF9SF9lf:uZs/WMWshP2hmtUPeDqKdFYdf
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3620 rundll32mgr.exe -
resource yara_rule behavioral2/memory/3620-7-0x0000000000400000-0x000000000041A000-memory.dmp upx behavioral2/memory/3620-8-0x0000000000400000-0x000000000041A000-memory.dmp upx behavioral2/memory/3620-6-0x0000000000400000-0x000000000041A000-memory.dmp upx behavioral2/memory/3620-9-0x0000000000400000-0x000000000041A000-memory.dmp upx behavioral2/memory/3620-11-0x0000000000400000-0x000000000041A000-memory.dmp upx behavioral2/memory/3620-13-0x0000000000400000-0x000000000041A000-memory.dmp upx behavioral2/memory/3620-12-0x0000000000400000-0x000000000041A000-memory.dmp upx behavioral2/memory/3620-14-0x0000000000400000-0x000000000041A000-memory.dmp upx - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe - Program crash 1 IoCs
pid pid_target Process procid_target 3468 4000 WerFault.exe 91 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1912059984" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31110840" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31110840" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31110840" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "424295572" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{9D3F7DC6-22AB-11EF-B9F7-4AFB17CC47EB} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1912059984" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1946903826" IEXPLORE.EXE - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3620 rundll32mgr.exe 3620 rundll32mgr.exe 3620 rundll32mgr.exe 3620 rundll32mgr.exe 3620 rundll32mgr.exe 3620 rundll32mgr.exe 3620 rundll32mgr.exe 3620 rundll32mgr.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3620 rundll32mgr.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3844 iexplore.exe - Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3844 iexplore.exe 3844 iexplore.exe 2060 IEXPLORE.EXE 2060 IEXPLORE.EXE 2060 IEXPLORE.EXE 2060 IEXPLORE.EXE - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3620 rundll32mgr.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2920 wrote to memory of 4000 2920 rundll32.exe 91 PID 2920 wrote to memory of 4000 2920 rundll32.exe 91 PID 2920 wrote to memory of 4000 2920 rundll32.exe 91 PID 4000 wrote to memory of 3620 4000 rundll32.exe 92 PID 4000 wrote to memory of 3620 4000 rundll32.exe 92 PID 4000 wrote to memory of 3620 4000 rundll32.exe 92 PID 3620 wrote to memory of 3844 3620 rundll32mgr.exe 94 PID 3620 wrote to memory of 3844 3620 rundll32mgr.exe 94 PID 3844 wrote to memory of 2060 3844 iexplore.exe 96 PID 3844 wrote to memory of 2060 3844 iexplore.exe 96 PID 3844 wrote to memory of 2060 3844 iexplore.exe 96
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d4f7ce5b6dbc08e933bfbdd4a8581c70_NeikiAnalytics.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2920 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d4f7ce5b6dbc08e933bfbdd4a8581c70_NeikiAnalytics.dll,#12⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4000 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3620 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"4⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3844 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3844 CREDAT:17410 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2060
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4000 -s 6123⤵
- Program crash
PID:3468
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4000 -ip 40001⤵PID:788
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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=1028 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:81⤵PID:3996
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
- Size 471B
- SHA256 0b4fca26c5df83e56c2546e73669e4109b001da219915e4b698e64456ae9be03
- MD5 df69ac288f6a29f7f75dfcc8283716e1
- SHA1 0953cbb43062b9c35b2402c7c789fc2e358e5a33
- SHA512 9bf9e819ce2fd8f774033acc7e72f444916e9507e7be72cf1b7f1ce6ca04759998b798ba5435e85bc9e10cbc1f6c5c875edb903fcaacc1caa87be8963360edb9
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
- Size 404B
- SHA256 7a53fe3929029fbd5e45ce1c0a8329c076303f004bb32dd7e84fb3dbf386df7a
- MD5 5db5e6618693ec7b2340824e323faf4f
- SHA1 97a510da1a630123ceea1b239e9c6dc3e3404af2
- SHA512 f154cf4960f0e2991443334a0e85b75315b6af235f0313f1913ead11d915da06408a5b33b68c82074f9a3fe9ebb2a90f2a226fa0267559bf32cc4a010ab5b481
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\O8VM10HV\suggestions[1].en-US
- Size 17KB
- SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
- MD5 5a34cb996293fde2cb7a4ac89587393a
- SHA1 3c96c993500690d1a77873cd62bc639b3a10653f
- SHA512 e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
- SSDEEP 384:K4gN8sGygaEKfWYSJUKbO7UckxtBjCdY7mO3D0C5l+piEieDSV126ry1/XSGKwG3:K4gNFXiKfWfJ1Kockxbd7mAt5Mp5ie2F
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\rundll32mgr.exe
- Size 88KB
- SHA256 e6f8a54ed663061527ab46b8e8efc2a0f3c99ae77829c0be0e50eb5b1b48415b
- MD5 a61ea5f2325332c52bff5bce3d161336
- SHA1 3a883b8241f5f2efaa76367240db800d78a0209c
- SHA512 fae031e0e7dcd719240bfe94a3f78d1aac73060324d5b65e0cbe564ce6d6781aaa5e930f0729293e3b502b7d07f53f3a72fb2048d44d93d36851aab8330479e5
- SSDEEP 1536:D8kAw2xzZh2UXYmvdRmSZad2jN0RAkFc+rnTNTqKqx9YGng:4kAwOzhjdRmSZiAqFbrnp+KsYGng
- MD5 SHA1 SHA512 SSDEEP