Analysis
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max time kernel
148s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
02-10-2024 17:41
Behavioral task
behavioral1
Sample
agent6.10.exe
Resource
win7-20240903-en
General
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Target
agent6.10.exe
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Size
11.0MB
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MD5
9701303ea427b0cb440dfc9a6f48b827
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SHA1
3aa8a4554b175db9da5eeb7824b5c047638a6a9d
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SHA256
a7f7cc2bdbe5ac6d55841bcfb0ada2c0e55192af5f70dcdda68e7fd17112346a
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SHA512
e2284886bac6997adbbcf0ba4ac3eb6429928f77ece6de68e0207c8a9c81f833a16730cc0079ec0f74d4e6f53aebd2a3627770347354b15c50c903edc9a0bee5
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SSDEEP
196608:MlMeDXCke5xGBe5/eHCau/zCEqz2V3dF7GYb6TMIGqThOeuCRcBji2KjDKRV:MBC1rLteiZmq3dhLmTMIhThXugAcDuV
Malware Config
Signatures
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Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
rfusclient.exerfusclient.exerutserv.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Control Panel\International\Geo\Nation rfusclient.exe Key value queried \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Control Panel\International\Geo\Nation rfusclient.exe Key value queried \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Control Panel\International\Geo\Nation rutserv.exe -
Executes dropped EXE 4 IoCs
Processes:
rfusclient.exerutserv.exerutserv.exerfusclient.exepid process 1968 rfusclient.exe 1692 rutserv.exe 2820 rutserv.exe 1392 rfusclient.exe -
Loads dropped DLL 9 IoCs
Processes:
agent6.10.exerfusclient.exerutserv.exerutserv.exepid process 2536 agent6.10.exe 1968 rfusclient.exe 1968 rfusclient.exe 1968 rfusclient.exe 1968 rfusclient.exe 1692 rutserv.exe 1692 rutserv.exe 2820 rutserv.exe 2820 rutserv.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
rutserv.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\AgentRunOnce = "C:\\Users\\Admin\\AppData\\Roaming\\Remote Utilities Agent\\69110\\4A3F55BB84\\rutserv.exe" rutserv.exe -
Processes:
resource yara_rule behavioral1/memory/2536-0-0x0000000000400000-0x0000000001BF2000-memory.dmp upx behavioral1/memory/2536-159-0x0000000000400000-0x0000000001BF2000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
agent6.10.exerfusclient.exerutserv.exerutserv.exerfusclient.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language agent6.10.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rfusclient.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rutserv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rutserv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rfusclient.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
rutserv.exerutserv.exepid process 1692 rutserv.exe 1692 rutserv.exe 1692 rutserv.exe 1692 rutserv.exe 1692 rutserv.exe 1692 rutserv.exe 2820 rutserv.exe 2820 rutserv.exe 2820 rutserv.exe 2820 rutserv.exe 2820 rutserv.exe 2820 rutserv.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
rutserv.exerutserv.exedescription pid process Token: SeDebugPrivilege 1692 rutserv.exe Token: SeTakeOwnershipPrivilege 2820 rutserv.exe Token: SeTcbPrivilege 2820 rutserv.exe Token: SeTcbPrivilege 2820 rutserv.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
rfusclient.exepid process 1392 rfusclient.exe 1392 rfusclient.exe -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
rfusclient.exepid process 1392 rfusclient.exe 1392 rfusclient.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
rutserv.exerutserv.exepid process 1692 rutserv.exe 1692 rutserv.exe 1692 rutserv.exe 1692 rutserv.exe 2820 rutserv.exe 2820 rutserv.exe 2820 rutserv.exe 2820 rutserv.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
agent6.10.exerfusclient.exerutserv.exedescription pid process target process PID 2536 wrote to memory of 1968 2536 agent6.10.exe rfusclient.exe PID 2536 wrote to memory of 1968 2536 agent6.10.exe rfusclient.exe PID 2536 wrote to memory of 1968 2536 agent6.10.exe rfusclient.exe PID 2536 wrote to memory of 1968 2536 agent6.10.exe rfusclient.exe PID 1968 wrote to memory of 1692 1968 rfusclient.exe rutserv.exe PID 1968 wrote to memory of 1692 1968 rfusclient.exe rutserv.exe PID 1968 wrote to memory of 1692 1968 rfusclient.exe rutserv.exe PID 1968 wrote to memory of 1692 1968 rfusclient.exe rutserv.exe PID 2820 wrote to memory of 1392 2820 rutserv.exe rfusclient.exe PID 2820 wrote to memory of 1392 2820 rutserv.exe rfusclient.exe PID 2820 wrote to memory of 1392 2820 rutserv.exe rfusclient.exe PID 2820 wrote to memory of 1392 2820 rutserv.exe rfusclient.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\agent6.10.exe"C:\Users\Admin\AppData\Local\Temp\agent6.10.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536 -
C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\69110\4A3F55BB84\rfusclient.exe"C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\69110\4A3F55BB84\rfusclient.exe" -run_agent2⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1968 -
C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\69110\4A3F55BB84\rutserv.exe"C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\69110\4A3F55BB84\rutserv.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1692 -
C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\69110\4A3F55BB84\rutserv.exe"C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\69110\4A3F55BB84\rutserv.exe" -second4⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2820 -
C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\69110\4A3F55BB84\rfusclient.exe"C:\Users\Admin\AppData\Roaming\Remote Utilities Agent\69110\4A3F55BB84\rfusclient.exe" /tray /user5⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1392
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
55KB
MD5f6ea3881bd23cb0ee957993fee23c6b4
SHA1fdd6e4cc3ed79e7ee06a6bb5095cbf2904684e81
SHA256e6f350f2cb7dd59c3806b346af9be54f490641d06e573b3ea7ddf7ce5c529078
SHA512a34840f3e4543228891f086d4416d3da538e7a9ee6182843bffe4bd0522c8090e2f87a5bdae194c8e3cf0cf0e8cef004ea39c0685b25012ea406868dce0d61b0
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Filesize
41KB
MD56d995e848c199a5c0c4128a28b07affe
SHA16de6724ba2b5ddb85c86abe353b421786daf89f1
SHA25609db4c31bede5f3a1000f32158c6f71f0380fcb73941e6826f4a3f5a36e868ff
SHA512d85a56df1729abff7cee06d42ae524432af3cbfe60fb841d198a9da896443ec342a06eea8fae06912378ec64551897d4eba3df4b086fb46272df90d26d80f5d9
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Filesize
41KB
MD50ed6a1984e883d26c3f04b7701ffa436
SHA1b06c8b34e7ed3f1cbec177da7c669c074c89a1f9
SHA256fafcd673fdaec9eb1631849d68cb08d807a340279eb0221b544ead71f5b2dc69
SHA51201326032709cee18b681c169c686a035293f80835500e46e277a5897ce8474ca937597a7a15323bb75dddce3bfafae4c4f9b872154f54779ecd7cd464cc4d06f
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Filesize
59KB
MD58b0bfc75787bae7f7dc55e720e1a1472
SHA163c8d42de2526551fb8fd9f31f30e52ee92a13a2
SHA25681a15eae890f2051fea1f04c031dedba11b2b7cfc04a81223b1adac895033a0f
SHA512f348dee9e9c7e62556a0c111d1fa019120375f099f5d593144765be57fd196b05d6d3e06359cc15e7b181d0cb457b7d623892af5da915108e7a71cd29a08f956
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Filesize
59KB
MD5f621aa5d8a4d8bb667e73e1c05d6fe18
SHA12319c0afdbcd5d0c208581c05056b145e5d910d0
SHA256cbde3517ad89a72dbcb7a693be55cbc07f5d46e88bb28128624e21d400c02408
SHA512adc6ae4bb16c21f46a830d73d084a5ac7509aede6e86dbd1d424048d5ed431d3eb6f2158f627981ca432735c62f79f8023e3798c1f0e112f3ad8e67ef596d596
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Filesize
61KB
MD57c8f08d575e4a7cfa11a4ad6ddbe58ba
SHA1902a838ff647321ca5405dd95ef8e2374b0b4388
SHA256d4f47f4bf74574243afcf501eab3d4e9d0d5f7a624ac1139afd5db90615d9f9f
SHA512a020f88914628847d5e61c9999ee26fd01fafd5e87388130848d67be04d8a3603e64fd42320684196459510fa55c85a30d175538e1a24153be407271237b827a
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Filesize
70KB
MD579f2c0330971c5e1d54c8563524095d0
SHA1c6aae9892f145d4dec64d85797d4acebc60907c1
SHA2567e7d597254aaa6533c42cbb30593240ba00c71f3638b2ea15b681c76e979b6e8
SHA512830de86fc44d3f5881e5b22d67470e8134baffe115d8187452569b348cb059ca82880339e169287c25897f558419fcaa99fee9fc033d13e0838d9bc921de0504
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Filesize
59KB
MD59a1fdea3797f3f8ee8f14bd2e053aff7
SHA1504ee198497352126e8256208d383c443cdf980a
SHA256dbfea93714fea4e7880aba1093f84975dc8b06f8b9c09e742b4a8565a638a4df
SHA512a7a7e7027431c2153a614e0d96552080dac53315fff793ae8b37dcf24e16500d62e761ac9384c45ef081fc573084fa9a93e11222e6dd162b33051e84cb142c7a
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Filesize
63KB
MD52849bda8e859811129f91ef911a8c34c
SHA16d01aed37e3fe26b9c4bc2eedc5ca9e2b116649f
SHA256520968397ed6f5c0eab760dc33b0c0d8a13381f66d240810cfe58f07a6ee5cb5
SHA512f7568d9e79ccfa6231b066cef3f6ca8e8dea56ac9286662000dcccd5de0026b3637482e4222b4212a911d87c244377c265b139bead685d0ddf1b86dad40a1b13
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Filesize
61KB
MD5e3e6c94329a75d7197d283976d50ed29
SHA16a2c3ca6f6db2f5c1da2c454eb88a192cace4090
SHA25623e1a930e42edd46efbf49bae2cb6562e3da6e2b553b39cc2aee62ac24cdc844
SHA512fc07fd8985764c74c02b79053bc48ac5f19ecd240b17ef5297c9d6ce677981bacef39a0b9fcb9b9ef9832eb8d2ab6638e35c2428b14d41101732c3c27e4e1d38
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Filesize
52KB
MD500e28c3cd7737b444cd9fbde21bd4164
SHA10d80ced7c9818d07c29508538e463f7a36ccef33
SHA256a7e5178ebb640a20d9f3691b5c1bf13ef08d4d5d1ddc2322bda0bc99ec18dc0e
SHA512be6f06c1f2a52c7aa615cd3faf07f5b79db3a94d28e82e20598cfec5cb704b7db12448d2fdfc1c2716faa84379fd690f59a22d3ae9ca139f291e5d24007a8ab3
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Filesize
61KB
MD59f2fb43c9393cef888ca546138db3391
SHA124a499e0109f07ab57f8e8de02621de6519ddea0
SHA256ba6d0413ceb84bc4e9a677472fe8f18599e3ab83c81c45179109f27d8b2d99aa
SHA512c523f0053128dceae4893151c93cd5c3d00554bab3ff00829e5b91b83edc0ebbd2f7439368a8387873c7d3e35f22ec682c44eb22f6c2fb08e6b534086c8d54b4
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Filesize
47KB
MD57683e967f436194a77c6c1fdd1b59b0f
SHA19eab3d831de2f6b970c144b88ead1bd720333db1
SHA2569e9bcecba94dcf8ce3ff9de9d0ffa77dddc37ff0f4b910761c9cd506c2e1030b
SHA5124e896d3d9368fdd8619eebd9d36405942b1441cf02d3f907ea3fb7641fe2ca11bf68782e2e72d19f498e5ec3ae5748435b1028bfbd9fc25161dc5e21b85f8e14
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Filesize
45KB
MD5915f8dbc7448f3bfb8354589ad2fc3cb
SHA18dc225137ba636edd312ad7b1b5397ff128adf41
SHA256692899e2cf25e6c8c358d3d3a63662970cb1aa7e63aac2cdee8ab1efcc6dbc55
SHA512aa3963655bc08c20efcb75a005f9c3d45e20785e13e803f59a25194f6656e3965e47e0ee6c68bda7ffb51be30676b4b5be7d388379a6d75c8fd0125eb512ef52
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Filesize
58KB
MD58b9a680cd0e581c35624f870f083b2da
SHA1c37417a00c0dedee94c57f6dc05a2c7f755ec600
SHA2561f8dc472a0105547f913a84c34192b078fdf0ca6da2e9a3125e3770090de6b49
SHA512b5f93428cfcfd3882b54c666df2ef695fa4e3baecb677bfdddc20a8c28fc635f1249e581e0f75069a49e64426825acab63124c009ce78407b01157730f85c983
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Filesize
59KB
MD5baaefbe6e3758c5b8d79fc5513b9f63a
SHA1c35716d506fe5b6bac4bd45d7e7be104c00a6833
SHA2562e3f5398fcf716600c72258de408392d3cee5901ccf30885042a3c2d3d3d9c74
SHA512df2bb8cf9972266ef5280d2e4beec5e122914c48f266442070a5cfb898610b6fb0f417941961d742269c243315662ae181981525bbb04aebabc583dd0f5d44dd
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Filesize
61KB
MD5c3778e1dcb95065f7c2cba53d490d6b8
SHA1bf08a8a0eb47dcc5e848e955daa112c82c4519a5
SHA25638af7f5d7233b51adcbeca92ab28b146302ea6ad61bcfa4cdc765c2b60759f04
SHA5121edefb2cb065f836e4767e02b70c0a9ea080ba9b7a7f938b805be221eb516dbdb20e601aa28131517bf8125dd8966d55ec3a164d2be2a1f38e4b2fedffd17a6f
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Filesize
61KB
MD510f4324b24a9bd1b6c04cfc60f3f6405
SHA14e4c0fd79fec57a03211ee46028f7b0dd6a2978c
SHA25657a6b2490e64471a555015f5f32b544833aacd0cd53cb67e65d7081fee644d73
SHA512f7285f68baef6b987bb7c99c4221a26be488274750f8eccab12b4049ee07be9d8d7d0c7abb24bc6e42efa50697213be7e4350e964fe3281687a548c2690d924d
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Filesize
61KB
MD5c9f142a80f4552867e8c87b680e90ba7
SHA1072df48fc1d5ed50db04f4bec9c4a3ed32d8db37
SHA2565c242b2a08d7ea452c6468c11e2b7a0882fb45caafa608e5e8c7661819539ec2
SHA512fe0671aa76c0682e95683a3b4482e1a63a894bdfe9a4a6735ae463e2c30df861377f67e48699859fe7c50d5cb7ed88ec4fd2f6622ac2d2b126550a8696765ab3
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Filesize
58KB
MD501583be353cff2a0b67803f4a43f394d
SHA17a924df31d9720a0bc5a40a501daa11ad83675a7
SHA25601b1a41beb45a4b31657ae347c6958527fe23866274e6432a027fd888c9df57d
SHA5124c715cbfe804afc1802981506b58ac714668d8afc9f7b9be4c8869f7300a0281090b21fcb4ffe6efc455d3a42da37d866139490fd604c2318ab46b02b3722d2f
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Filesize
59KB
MD55c8be08e6573e844677c918f843fc58d
SHA129959ebd91532107c8d4524238b3bb54d927e2c6
SHA256309003bd06b36380a7f53d92f2e8a3083cce6c01ed9b773a558ed2298d4a45a4
SHA51213affbf0d90b85043475d28f4346d8f4fd21ab2f1c64b8ee56a96e817786cfca7c42b46a7b1c11364e2ffd4148337dcb1cd108215055637ae78c2b27018f8ba0
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Filesize
1.3MB
MD5146dfe563aeab6edb51eb24c37494251
SHA1f54a31a9211f4a7506fdecb5121e79e7cdc1022e
SHA25623b0ded7bf70d07d04c3ec04f3f7380b693e395bdb9fb62ff1d5b0684b9dd42d
SHA5127df4636bcc10f09b00525069a39092ba19a9203b60f5f0fa5e254dbadc826e74642474262959ea9c88c00d97ca4abec8905fb8c2d50a963cf410012cfdeccc90
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Filesize
6.3MB
MD5b308291b116f14939f59b9b63b98f007
SHA1bb39483fd874a13a4b5c5d23f56c88ebd00e1dbf
SHA256d1ec641ce4e2883c19a21863c3b21bf45bbf08040f19c4af99be640b43f99d80
SHA512f659191cbfcf459e81ebdc928f1723336da9ad07a3962da13d8dbbeababa2fab49c140c587a8c9a8dad14a9a6f506611f078ba4a20804a54f2fe76515b5b3370
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Filesize
12.6MB
MD5364ec0894d60d3cdd917561626084c5a
SHA171262de7339ca2c50477f76fcb208f476711c802
SHA256322ef7eee9de6bcda974e9e1509b1f1e96e3538078ab4874a106dbe34064b52c
SHA51237fbb090d0586e33087e6a93f9927d45e548d995d4b3d8c57f66308cb100e49c1f3c59ca9b618ed2d7798e1eaa04e0578501ebf504396e361973abb0be583bc9
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Filesize
337KB
MD57450078342329c700f7fef4f84c11cde
SHA118ee67c1a9e7b9b82e69040f81b61db9155151ab
SHA2569f2ebc122d4f51f37877b00b3cad3d639936b2046498a6b05a191f9a9525ac67
SHA51207c0480ef354d8805f3a0ee6d33eed18d1352a3978cbfb01f4a521300f6a072f29c6f190c138dabef76fbff81625dc5b3e1574f1385d0ab6f8b22ad69122f316
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Filesize
380KB
MD5b734c92aece61a0471984b1fafb2db03
SHA117e5ef96d462ebc79e75472dc376ec7b65bfc5ef
SHA25678b2a0c2b220875d1111efcca49839f56af89ac7d17ab9f4dbbb2af817440a31
SHA512dd51116862a0434a7300c9532c03bfd07f04582da5d801e45ec41619555ecd0985fd521792cbe3f8ce47e087ed40c3ca2f1c8db0dda0ff0529c81e6452708aec
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Filesize
1.6MB
MD5afdab890be73c9945d6e96dfafd0c997
SHA160e2b20c2ae650d664a820c9b9d799619ef97456
SHA256ced7a854946fb1a2ce6491c94acba9697d3b360ba4efd0e9e6450802d601c57a
SHA5128438aae312f344ac09906d9d01e9bb18835f970921e9a58ddec8cd6a20a7ea41820376cf7eee6c8e0068ef2089ff6d6c4bc875fe44331283c91bb5b95a1ea6e1
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Filesize
260KB
MD550784c57f4d034b33150b8dbe9b029ca
SHA1c393732f929851da135b71cf0b8d065f31a15dd9
SHA256b287fa75d93e08cad6fe680196a94a3693f9d4f3328e0066b82ca8088472055a
SHA512feb98808143caa1ab88187d96056ea1011f882799f608e3f59492d34eae1002f258fbbce99171a715545fffb3e2f2fc6a9c1a631f639d474eb074446f3ac7bd7
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Filesize
365KB
MD5c7b616d2ad36ed68aef3621b45cd0831
SHA1ea2da553244d43a60b9ddbedaeb02dcf7185ac5d
SHA256e609d5253483bafe10baa880a33968c98620ad753a557ef38c2ed4694a118585
SHA5129bdb3e76fa1533c862226438ba78a9112f41d7b431b8885bebf33ca170190f31cc4d05db641ec02728f08815fac4c1b73c98b04e26ce857bf298cee3ec05b408
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Filesize
860KB
MD5ff70441f6fd3eeb5a061c117a13da554
SHA1d8ca8841e636436c4d4c7ef0479c549b404a9983
SHA2564f8ef46af1591a5906dba229be6866d756f29778d562b503b30d967b1a75339d
SHA512c54d82d34b5e52097096357471156b8ad4f579b9b679b513fa063c25becc6cb0c54023f2ae5ec61a3a19a5d6b262a961ab3df970e431467488ad3196fd2c2882