Analysis
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max time kernel
158s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
21/03/2023, 14:46
Static task
static1
Behavioral task
behavioral1
Sample
e95bd278a62238cbee597f5426d992e5d8127e87890fdb30e992c21e4b825272.js
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
e95bd278a62238cbee597f5426d992e5d8127e87890fdb30e992c21e4b825272.js
Resource
win10v2004-20230220-en
General
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Target
e95bd278a62238cbee597f5426d992e5d8127e87890fdb30e992c21e4b825272.js
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Size
435KB
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MD5
20f9cc5642a27dc60fc83d409cba7dbf
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SHA1
1b372bf14de42e8c92a9a65595184580becd9205
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SHA256
e95bd278a62238cbee597f5426d992e5d8127e87890fdb30e992c21e4b825272
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SHA512
71f209d20494a7a81411ab01f897d469d9310bbd50b67b29a3f11d5214125392c82deeea18732709345da2a36c2e856df07d0cb7d8093792069fd145d1b2a23d
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SSDEEP
6144:GQ9ysU+dlJWsBosmcehlTzq5D1NwcMFkWxOTtJADySaTnS/XIBU6nDobD0cj:Nw+NWsQBTAEclW0+DSn8IpYh
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation wscript.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wkewogjrdf.txt java.exe -
Loads dropped DLL 1 IoCs
pid Process 1784 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkewogjrdf = "\"C:\\Users\\Admin\\AppData\\Roaming\\wkewogjrdf.txt\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wkewogjrdf = "\"C:\\Users\\Admin\\AppData\\Roaming\\wkewogjrdf.txt\"" java.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4200 schtasks.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 3008 wrote to memory of 604 3008 wscript.exe 37 PID 3008 wrote to memory of 604 3008 wscript.exe 37 PID 604 wrote to memory of 2156 604 javaw.exe 94 PID 604 wrote to memory of 2156 604 javaw.exe 94 PID 2156 wrote to memory of 4332 2156 java.exe 96 PID 2156 wrote to memory of 4332 2156 java.exe 96 PID 2156 wrote to memory of 1784 2156 java.exe 98 PID 2156 wrote to memory of 1784 2156 java.exe 98 PID 4332 wrote to memory of 4200 4332 cmd.exe 100 PID 4332 wrote to memory of 4200 4332 cmd.exe 100 -
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\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\e95bd278a62238cbee597f5426d992e5d8127e87890fdb30e992c21e4b825272.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3008 -
C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe"C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\wkewogjrdf.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:604 -
C:\Program Files\Java\jre1.8.0_66\bin\java.exe"C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\wkewogjrdf.txt"3⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\wkewogjrdf.txt"4⤵
- Suspicious use of WriteProcessMemory
PID:4332 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\wkewogjrdf.txt"5⤵
- Creates scheduled task(s)
PID:4200
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C:\Program Files\Java\jre1.8.0_66\bin\java.exe"C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\wkewogjrdf.txt"4⤵
- Loads dropped DLL
PID:1784
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
50B
MD5da57bfbc168af102dbcab3c5b8e74823
SHA1fda66d20292dd5386eeefeb979d52154394e8b6f
SHA256522ee2b29f15783268219661fd5b9e053d1c86b9f9d01ba4967d979eb51c65d9
SHA512154677402e5665666cc2c8161965f37549b9a24f01d519f4f1012b66c99f67b9025fb9e1fd5153c500f2c0d6c953c4a078b223e0e18e00c61d5c72d4d269d9ac
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Filesize
50B
MD58d688594607f8765cf96482467b97b36
SHA18eb0c9b27163fb5565d399a5f612adde6eadef91
SHA2565d19aa3b5370444df2cdc2b5e58f3336912ea428bc300178200f6b0bc5795fc9
SHA5128bf9c08e5d8724817cbca1d109de6d25c91386adc683441dc859c002fc28b01b67ba19ae7c6814e5d73a8b0ea2f824753f72307830529cb022d8461cf8081487
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-144354903-2550862337-1367551827-1000\83aa4cc77f591dfc2374580bbd95f6ba_76cff8be-8f86-4613-9a47-5d5870acb67c
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
209KB
MD5c4d205a56ff6971ca58460cd4fe9f7db
SHA120aaae5dc2f1cbc7f3bc281fd91b57d51a2c7d80
SHA256e8533d9ed906d969b147d6b444234bac03d4bc6d120fe53b23747029b48b5fa5
SHA512c493394b1f4b9dee1a3445da803975a5000758c98ba781104bbaf9790097af87cfe8ffacc86cef4dc2907a741dde3bc9f2e4ccf04dbb4a0963eb0fd73215b169
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Filesize
1.4MB
MD5acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
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Filesize
2.6MB
MD52f4a99c2758e72ee2b59a73586a2322f
SHA1af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA25624d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
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Filesize
4.1MB
MD5b33387e15ab150a7bf560abdc73c3bec
SHA166b8075784131f578ef893fd7674273f709b9a4c
SHA2562eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA51225cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
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Filesize
772KB
MD5e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d
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Filesize
209KB
MD5c4d205a56ff6971ca58460cd4fe9f7db
SHA120aaae5dc2f1cbc7f3bc281fd91b57d51a2c7d80
SHA256e8533d9ed906d969b147d6b444234bac03d4bc6d120fe53b23747029b48b5fa5
SHA512c493394b1f4b9dee1a3445da803975a5000758c98ba781104bbaf9790097af87cfe8ffacc86cef4dc2907a741dde3bc9f2e4ccf04dbb4a0963eb0fd73215b169
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Filesize
209KB
MD5c4d205a56ff6971ca58460cd4fe9f7db
SHA120aaae5dc2f1cbc7f3bc281fd91b57d51a2c7d80
SHA256e8533d9ed906d969b147d6b444234bac03d4bc6d120fe53b23747029b48b5fa5
SHA512c493394b1f4b9dee1a3445da803975a5000758c98ba781104bbaf9790097af87cfe8ffacc86cef4dc2907a741dde3bc9f2e4ccf04dbb4a0963eb0fd73215b169
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Filesize
1.4MB
MD5acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
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Filesize
2.6MB
MD52f4a99c2758e72ee2b59a73586a2322f
SHA1af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA25624d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
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Filesize
4.1MB
MD5b33387e15ab150a7bf560abdc73c3bec
SHA166b8075784131f578ef893fd7674273f709b9a4c
SHA2562eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA51225cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
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Filesize
772KB
MD5e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d
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Filesize
209KB
MD5c4d205a56ff6971ca58460cd4fe9f7db
SHA120aaae5dc2f1cbc7f3bc281fd91b57d51a2c7d80
SHA256e8533d9ed906d969b147d6b444234bac03d4bc6d120fe53b23747029b48b5fa5
SHA512c493394b1f4b9dee1a3445da803975a5000758c98ba781104bbaf9790097af87cfe8ffacc86cef4dc2907a741dde3bc9f2e4ccf04dbb4a0963eb0fd73215b169