Analysis
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max time kernel
152s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
13-05-2024 19:05
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240226-en
General
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Target
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
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Size
224KB
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MD5
5c7fb0927db37372da25f270708103a2
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SHA1
120ed9279d85cbfa56e5b7779ffa7162074f7a29
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SHA256
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
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SHA512
a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
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SSDEEP
3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Drops startup file 2 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD7D6A.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD7D81.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 1 IoCs
Processes:
!WannaDecryptor!.exepid process 3972 !WannaDecryptor!.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Update Task Scheduler = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe\" /r" be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Kills process with taskkill 4 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exepid process 4380 taskkill.exe 2516 taskkill.exe 1076 taskkill.exe 3556 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exedescription pid process Token: SeDebugPrivilege 1076 taskkill.exe Token: SeDebugPrivilege 3556 taskkill.exe Token: SeDebugPrivilege 4380 taskkill.exe Token: SeDebugPrivilege 2516 taskkill.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
!WannaDecryptor!.exepid process 3972 !WannaDecryptor!.exe 3972 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.exedescription pid process target process PID 392 wrote to memory of 4124 392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 392 wrote to memory of 4124 392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 392 wrote to memory of 4124 392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4124 wrote to memory of 4696 4124 cmd.exe cscript.exe PID 4124 wrote to memory of 4696 4124 cmd.exe cscript.exe PID 4124 wrote to memory of 4696 4124 cmd.exe cscript.exe PID 392 wrote to memory of 3972 392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 392 wrote to memory of 3972 392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 392 wrote to memory of 3972 392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 392 wrote to memory of 4380 392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 392 wrote to memory of 4380 392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 392 wrote to memory of 4380 392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 392 wrote to memory of 3556 392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 392 wrote to memory of 3556 392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 392 wrote to memory of 3556 392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 392 wrote to memory of 1076 392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 392 wrote to memory of 1076 392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 392 wrote to memory of 1076 392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 392 wrote to memory of 2516 392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 392 wrote to memory of 2516 392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 392 wrote to memory of 2516 392 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:392 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 113161715627147.bat2⤵
- Suspicious use of WriteProcessMemory
PID:4124 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:4696
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3972 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4380 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3556 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1076 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2516
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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=3960 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:81⤵PID:4136
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
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Filesize
1KB
MD5ce6e26bc019e5c3f1188a8b74637c0fb
SHA135586361bed3310c0a2b465b010837976c06e1de
SHA2568c9f167af7cd5f34e12fa8fd56d035acd8d95043779ff93b5dddd0875e31f3e2
SHA51284d29cf4115b3f93be87081e80d67a32f9688394e440e66906ebd70dc678d68d6908b950cde94a009f31f0006f47c604b54e427649466910277fb58b978c41e3
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Filesize
136B
MD54784b6eb4d0aa0f0da5b06c0b9bba9d7
SHA165ca307131d90f9485cbd8313f0787dafb13401f
SHA25605eff3947d9cd00ec12f0f5b05707ae4648a3294088c90399b980518d3e52fd8
SHA5120933516567be3183241d6b43136904cf99b9b9c9679e32651b808230042453ed0320d916dc139edcf26c53a1b5eeab0e7fce07b12c08cce7a317cacb19a41576
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Filesize
136B
MD5ab77ba4efc046eaf997de8503d3105b5
SHA108fb8fb31c3cf57c823c7c1ae6fda233686ff264
SHA256d6ab6c3c9acd8c07ca5a7544814bd7f3e884b616b4b593059ed4277c2a9f23e4
SHA512b2fdc7ca187b17a9e32f60a0e489ecb3d3646747d07dffcffc07b8069dc5a710738c81e3c707741f4609a995cb2ffc48c8a811dd42e907d24cdc231e58b4b469
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Filesize
336B
MD53540e056349c6972905dc9706cd49418
SHA1492c20442d34d45a6d6790c720349b11ec591cde
SHA25673872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
SHA512c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
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Filesize
219B
MD55f6d40ca3c34b470113ed04d06a88ff4
SHA150629e7211ae43e32060686d6be17ebd492fd7aa
SHA2560fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
SHA5124d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
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Filesize
628B
MD55e06329219206ae2b985f8b1684206f7
SHA11d054245af2925699ba30bc565cbdb76c6e8d5b4
SHA256ae528ac4cef9a921807c1b21442a7146d22e46466459f2a4162b318c11ae7b44
SHA512d7cb8e9cfca952c84bc407f11d0b346e00557de55baa284ec792426984604c4df65b6bc96643a7411b2d85cfa5df071844afb3063eb00656be9445ecf79f3b4e
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Filesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5