Overview
overview
10Static
static
10Quasar v1....e.html
windows7-x64
3Quasar v1....e.html
windows10-2004-x64
8Quasar v1....to.dll
windows7-x64
1Quasar v1....to.dll
windows10-2004-x64
1Quasar v1....ok.dll
windows7-x64
1Quasar v1....ok.dll
windows10-2004-x64
1Quasar v1....db.dll
windows7-x64
1Quasar v1....db.dll
windows10-2004-x64
8Quasar v1....db.dll
windows7-x64
1Quasar v1....db.dll
windows10-2004-x64
8Quasar v1....ks.dll
windows7-x64
3Quasar v1....ks.dll
windows10-2004-x64
8Quasar v1....il.dll
windows7-x64
4Quasar v1....il.dll
windows10-2004-x64
8Quasar v1....at.dll
windows7-x64
1Quasar v1....at.dll
windows10-2004-x64
8Quasar v1....on.dll
windows7-x64
1Quasar v1....on.dll
windows10-2004-x64
8Quasar v1....ar.exe
windows7-x64
10Quasar v1....ar.exe
windows10-2004-x64
10Quasar v1....ib.dll
windows7-x64
1Quasar v1....ib.dll
windows10-2004-x64
3Quasar v1....nt.exe
windows7-x64
10Quasar v1....nt.exe
windows10-2004-x64
10Quasar v1....et.dll
windows7-x64
1Quasar v1....et.dll
windows10-2004-x64
8General
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Target
Quasar.v1.4.1.zip
-
Size
3.3MB
-
Sample
250210-x3kytatlgs
-
MD5
13aa4bf4f5ed1ac503c69470b1ede5c1
-
SHA1
c0b7dadff8ac37f6d9fd00ae7f375e12812bfc00
-
SHA256
4cdeb2eae1cec1ab07077142313c524e9cf360cdec63497538c4405c2d8ded62
-
SHA512
767b03e4e0c2a97cb0282b523bcad734f0c6d226cd1e856f6861e6ae83401d0d30946ad219c8c5de3c90028a0141d3dc0111c85e0a0952156cf09e189709fa7d
-
SSDEEP
49152:lYLmNgMh/9yUsRFeWMyYISDSwtfxZQNemi57PdHmeFINp/lFnsDbNFNepL6DJo+J:mL9U1yUUQykOQ91XFYBlR8P9d5uNJo9
Behavioral task
behavioral1
Sample
Quasar v1.4.1/3rdPartyLicenses/BouncyCastle_license.html
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Quasar v1.4.1/3rdPartyLicenses/BouncyCastle_license.html
Resource
win10v2004-20250207-en
Behavioral task
behavioral3
Sample
Quasar v1.4.1/BouncyCastle.Crypto.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
Quasar v1.4.1/BouncyCastle.Crypto.dll
Resource
win10v2004-20250129-en
Behavioral task
behavioral5
Sample
Quasar v1.4.1/Gma.System.MouseKeyHook.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
Quasar v1.4.1/Gma.System.MouseKeyHook.dll
Resource
win10v2004-20250129-en
Behavioral task
behavioral7
Sample
Quasar v1.4.1/Mono.Cecil.Mdb.dll
Resource
win7-20241010-en
Behavioral task
behavioral8
Sample
Quasar v1.4.1/Mono.Cecil.Mdb.dll
Resource
win10v2004-20250207-en
Behavioral task
behavioral9
Sample
Quasar v1.4.1/Mono.Cecil.Pdb.dll
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
Quasar v1.4.1/Mono.Cecil.Pdb.dll
Resource
win10v2004-20250207-en
Behavioral task
behavioral11
Sample
Quasar v1.4.1/Mono.Cecil.Rocks.dll
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
Quasar v1.4.1/Mono.Cecil.Rocks.dll
Resource
win10v2004-20250207-en
Behavioral task
behavioral13
Sample
Quasar v1.4.1/Mono.Cecil.dll
Resource
win7-20240729-en
Behavioral task
behavioral14
Sample
Quasar v1.4.1/Mono.Cecil.dll
Resource
win10v2004-20250207-en
Behavioral task
behavioral15
Sample
Quasar v1.4.1/Open.Nat.dll
Resource
win7-20241010-en
Behavioral task
behavioral16
Sample
Quasar v1.4.1/Open.Nat.dll
Resource
win10v2004-20250207-en
Behavioral task
behavioral17
Sample
Quasar v1.4.1/Quasar.Common.dll
Resource
win7-20240729-en
Behavioral task
behavioral18
Sample
Quasar v1.4.1/Quasar.Common.dll
Resource
win10v2004-20250207-en
Behavioral task
behavioral19
Sample
Quasar v1.4.1/Quasar.exe
Resource
win7-20240903-en
Behavioral task
behavioral20
Sample
Quasar v1.4.1/Quasar.exe
Resource
win10v2004-20250207-en
Behavioral task
behavioral21
Sample
Quasar v1.4.1/Vestris.ResourceLib.dll
Resource
win7-20241010-en
Behavioral task
behavioral22
Sample
Quasar v1.4.1/Vestris.ResourceLib.dll
Resource
win10v2004-20250207-en
Behavioral task
behavioral23
Sample
Quasar v1.4.1/client.exe
Resource
win7-20240903-en
Behavioral task
behavioral24
Sample
Quasar v1.4.1/client.exe
Resource
win10v2004-20250207-en
Behavioral task
behavioral25
Sample
Quasar v1.4.1/protobuf-net.dll
Resource
win7-20240729-en
Behavioral task
behavioral26
Sample
Quasar v1.4.1/protobuf-net.dll
Resource
win10v2004-20250207-en
Malware Config
Extracted
quasar
-
reconnect_delay
5000
Targets
-
-
Target
Quasar v1.4.1/3rdPartyLicenses/BouncyCastle_license.html
-
Size
1KB
-
MD5
bf8d5a737e70dd3493a475b8672f14df
-
SHA1
01d35be1b65293f7ca43ee1045424599923ab54a
-
SHA256
6b73c0a42d138d1f05b527c7b936e79af9f44a55d52e35f912da15c0dea43d30
-
SHA512
ecc23ef88b80944ed135233118db167bf5dc161b0392af25ae846010f9993673bbdb62f88bf6de24dc060a48a0cfe96be261d30f5dac2705ed0f01d987fe24b8
Score8/10-
Downloads MZ/PE file
-
-
-
Target
Quasar v1.4.1/BouncyCastle.Crypto.dll
-
Size
3.2MB
-
MD5
0cf454b6ed4d9e46bc40306421e4b800
-
SHA1
9611aa929d35cbd86b87e40b628f60d5177d2411
-
SHA256
e51721dc0647f4838b1abc592bd95fd8cb924716e8a64f83d4b947821fa1fa42
-
SHA512
85262f1bc67a89911640f59a759b476b30ca644bd1a1d9cd3213cc8aae16d7cc6ea689815f19b146db1d26f7a75772ceb48e71e27940e3686a83eb2cf7e46048
-
SSDEEP
49152:JIBbo0WIgmjljFtXCdRLRBcJd+KaGxHIkMNqzP56O8lZ7qXUqi9Y:6BbBWIgWljGxRB/LLY
Score1/10 -
-
-
Target
Quasar v1.4.1/Gma.System.MouseKeyHook.dll
-
Size
56KB
-
MD5
bfb3bd1cb571360435100bfa6ed2b997
-
SHA1
1325e8dd76180a165117e04da4ee4a020e996880
-
SHA256
a67a424013544c8270c12633e2e1e287cd5cf0b3f2e81e8d8204b37a03da59ef
-
SHA512
ae5a88a9e86b9e64b8c289213f814586dfa5fe5e0cc21bdbc3e48c36d81fa9e763c6e78f24e40df07696228270ad72f408846125e61e33cae867ef8ff88a3c15
-
SSDEEP
768:qYnDJGdu2oE3d7ltSl+Y8sCcm8Doi/L0CPw87qquEZ+r3FhuiFJ8G:VncoU48/AzPwYpNZ6rXJ8G
Score1/10 -
-
-
Target
Quasar v1.4.1/Mono.Cecil.Mdb.dll
-
Size
42KB
-
MD5
1c6aca0f1b1fa1661fc1e43c79334f7c
-
SHA1
ec0f591a6d12e1ea7dc8714ec7e5ad7a04ef455d
-
SHA256
411f8ed8c49738fa38a56ed8f991d556227d13602e83186e66ae1c4f821c940b
-
SHA512
1c59e939d108f15881d29fe4ced4e5fa4a4476394b58b6eb464da77192cb8fe9221b7cd780af4596914d4cce7c3fc53f1bb567f944c58829de8efbe1fd87be76
-
SSDEEP
768:Ar5EYZep98C87KHeBUZwrEzsEAnbF+em50KktmM4CRIcZwMRTIzMAtpw:Ar59g98C87KHeBUb5AnZG+zdwMRTzAtS
Score8/10-
Downloads MZ/PE file
-
-
-
Target
Quasar v1.4.1/Mono.Cecil.Pdb.dll
-
Size
87KB
-
MD5
6d5eb860c2be5dbeb470e7d3f3e7dda4
-
SHA1
80c76660b87c52127b1a7da48e27700f75362041
-
SHA256
447ede1984bb4acd73bd97c0ec57a11c079cee8301c91fb199ca98c1906d3cc4
-
SHA512
64cf4fe7de68a35720d2b9338ba9cf182e127d95d72d2ccf7ff5c73a368133663e70c988a460825fa87b2d03717a4447948d5262f56aceb7c3bf1cb3ab5a41a5
-
SSDEEP
1536:2OCAsdBo+am5OMwr5IlALYKXgAJGsZhTjrjvjCXeO:ZCjta0OMuIlArVJGqT/jveXeO
Score8/10-
Downloads MZ/PE file
-
-
-
Target
Quasar v1.4.1/Mono.Cecil.Rocks.dll
-
Size
27KB
-
MD5
6e7f0f4fff6c49e3f66127c23b7f1a53
-
SHA1
14a529f8c7ee9f002d1e93dcf8ff158ab74c7e1a
-
SHA256
2e2623319bdc362974a78ea4a43f4893011ec257884d24267f4594142fcd436e
-
SHA512
0c773da6717dd6919cd6241d3cee26ab00bb61ea2dbeff24844a067af4c87ff5cbdb2fe3ada5db4707cee921b3fb353bd12ee22b8490597d4f67ad39bace235e
-
SSDEEP
384:70ve8JOuJ5iC7n2NwxEXCni+VXcMeDz8PmR1ugLoaeuLMBG9UphJAprjE3uFLHa9:7+m4iCyrXOhG8uRssveum1pMFLHFBvd
Score8/10-
Downloads MZ/PE file
-
-
-
Target
Quasar v1.4.1/Mono.Cecil.dll
-
Size
350KB
-
MD5
de69bb29d6a9dfb615a90df3580d63b1
-
SHA1
74446b4dcc146ce61e5216bf7efac186adf7849b
-
SHA256
f66f97866433e688acc3e4cd1e6ef14505f81df6b26dd6215e376767f6f954bc
-
SHA512
6e96a510966a4acbca900773d4409720b0771fede37f24431bf0d8b9c611eaa152ba05ee588bb17f796d7b8caaccc10534e7cc1c907c28ddfa54ac4ce3952015
-
SSDEEP
6144:jIevdbLPNYe8bikm98KXPHhOWY/fFREomhUFD3z:se1PNL+QRfBg/f/EWFD
Score8/10-
Downloads MZ/PE file
-
-
-
Target
Quasar v1.4.1/Open.Nat.dll
-
Size
68KB
-
MD5
cc6f6503d29a99f37b73bfd881de8ae0
-
SHA1
92d3334898dbb718408f1f134fe2914ef666ce46
-
SHA256
0b1e0d8f87f557b52315d98c1f4727e539f5120d20b4ca9edba548983213fbb5
-
SHA512
7f4c0a35b612b864ad9bc6a46370801ed7433424791622bf77bf47d6a776cb6a49e4977b34725ead5d0feaa1c9516db2ca75cb8872c77a8f2fab6c37740b681f
-
SSDEEP
768:sF6vHHLFkywkNh5qtHMjkCifoydVXw5FxusiolecziijiSvD+ZGFa4Pw6OdrGHUm:8GmyJNh0tbt3MLQ9W2rG0Ydd
Score8/10-
Downloads MZ/PE file
-
-
-
Target
Quasar v1.4.1/Quasar.Common.dll
-
Size
62KB
-
MD5
2185564051ea2e046d9f711ed3cd93ff
-
SHA1
2f2d7fd470da6d126582ad80df2802aabd6c9cea
-
SHA256
de930a748e4dc08c851ba0a22afce8dcfd0f15f23b291f9306c8ef6ccd7460a2
-
SHA512
00af241c1f89b478e66d758db26ed0a413b690d695abf91211b5cbc3985133632327ea0fc41140bd61d02271b6aa278a8e8f539d8ca6ce94972aef50c1a9c868
-
SSDEEP
768:hiF6Vg9HIxFMu9brfp0kUEb9k/pUHRfp0YDpb4rILMgYY44YYXINk6I+QyIFLwSu:h9Nc7firfS0kE5Ia8I4Z
Score8/10-
Downloads MZ/PE file
-
-
-
Target
Quasar v1.4.1/Quasar.exe
-
Size
1.2MB
-
MD5
12ebf922aa80d13f8887e4c8c5e7be83
-
SHA1
7f87a80513e13efd45175e8f2511c2cd17ff51e8
-
SHA256
43315abb9c8be9a39782bd8694a7ea9f16a867500dc804454d04b8bf2c15c51e
-
SHA512
fda5071e15cf077d202b08db741bbfb3dbd815acc41deec7b7d44e055cac408e2f2de7233f8f9c5c618afd00ffc2fc4c6e8352cbdf18f9aab55d980dcb58a275
-
SSDEEP
12288:IwPs012cBBBYiL9l/bFfpBBBBBBBBBBBBcA:jBBBYiLvzFfpBBBBBBBBBBBBcA
-
Quasar family
-
Quasar payload
-
Downloads MZ/PE file
-
-
-
Target
Quasar v1.4.1/Vestris.ResourceLib.dll
-
Size
76KB
-
MD5
944ce5123c94c66a50376e7b37e3a6a6
-
SHA1
a1936ac79c987a5ba47ca3d023f740401f73529b
-
SHA256
7da3f0e77c4dddc82df7c16c8c781fade599b7c91e3d32eefbce215b8f06b12a
-
SHA512
4c034ff51cc01567f3cb0796575528ca44623b864eb606266bcf955a9259ed26b20bec0086d79038158d3a5af2ada0a90f59d7c6aae9e545294fe77825dbe08b
-
SSDEEP
1536:CSSYikTF0Z+sFGu11tIcyI1MtI9eDG3fL7:CJYD0Z9FGu11teI1r9ea3
Score3/10 -
-
-
Target
Quasar v1.4.1/client.bin
-
Size
3.1MB
-
MD5
f4d16cfe4cad388255e43f258329f805
-
SHA1
fe7cc6c9eb76b5ad97867b46d053fae601fd4a2d
-
SHA256
8fb6ae3496d4ac025eab443d3e322b0faa3461d25b54093c9205d35746e3250e
-
SHA512
867045eac0f7765e6bea51e62bc4ed68b1e81ce6c2843d2e08714eb391a8ac94c2571c09828286252248400ea5c12bffa50a25c8ec5ad9e6d0bb836320ec188f
-
SSDEEP
49152:4nb7+y2FqZaVmN+PqlhU/mevlL1nYtsCeAcxUuxG2THHB72eh2NT:4nf+y2FqZaVmN+PqlhU//vlL1Yts3Bx
-
Quasar family
-
Quasar payload
-
Downloads MZ/PE file
-
-
-
Target
Quasar v1.4.1/protobuf-net.dll
-
Size
282KB
-
MD5
abc82ae4f579a0bbfa2a93db1486eb38
-
SHA1
faa645b92e3de7037c23e99dd2101ef3da5756e5
-
SHA256
ca6608346291ec82ee4acf8017c90e72db2ee7598015f695120c328d25319ec6
-
SHA512
e06ee564fdd3fe2e26b0dec744a969a94e4b63a2e37692a7dcc244cb7949b584d895e9d3766ea52c9fe72b7a31dacf4551f86ea0d7c987b80903ff43be9faed3
-
SSDEEP
3072:yRAISQ1tRSVB3zpKTEPn6Rc0qus/6GMzzeSXLifsE2s58IB7aoqng5YnDBzs39AH:yRFD1niy6n6KwhO5mIYpnNzgGD0u
-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
Downloads MZ/PE file
-
Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
-
Executes dropped EXE
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Drops file in System32 directory
-
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Active Setup
1Browser Extensions
1Event Triggered Execution
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
1Active Setup
1Event Triggered Execution
1Component Object Model Hijacking
1