Analysis
- max time kernel
147s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
01/03/2024, 18:21
Static task
static1
Behavioral task
behavioral1
Sample
8339045F879C83C60A535E72190C6B53.exe
Resource
win7-20240221-en
20 signatures
150 seconds
General
- Target 8339045F879C83C60A535E72190C6B53.exe
- Size 2.9MB
- Sample240301-wza4rsbd78
- SHA256 ec78b7b9f3560e19d0c723d7d114747d3833cb940631f9a3dbe83634e8d68491
- MD5 8339045f879c83c60a535e72190c6b53
- SHA1 9a2014f7c7f43c41b4c3985162ef37d21609c9d8
- SHA512 c58553a40fa63e6e635db473b1c77e91e74879011929ba5466a318c1709ec023ebc3ad51e670e93bfcbd6aa99f6b63d77b72f30e13b204e26ad4c10e504bd4ef
- SSDEEP 49152:MhUcoTm8u5JdsNSv9qoIBChdBI2F/jgflh0cC8rUQzzga4pNqnd0YmTEG70+3xM:eUrhuzKAv9ZIBCbBI2FUEcCIUUzgBpkj
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
quasar
Version
-
1.4.1
Botnet
-
27.02 - r
C2
-
194.87.252.184:4782
Mutex
-
1127ef31-5071-4c30-bbbe-8bcb36d37abd
Attributes
-
encryption_key
DD459BB92A43EF8EEB2FE401C8453F685AECE590
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Signatures
- Quasar payload 1 IoCs
resource yara_rule behavioral2/memory/3864-35-0x0000000000800000-0x0000000000B60000-memory.dmp family_quasar - Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 3172 created 3232 3172 Lie.pif 56 - Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation 8339045F879C83C60A535E72190C6B53.exe Key value queried \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation RegAsm.exe - Executes dropped EXE 2 IoCs
pid Process 3172 Lie.pif 3864 RegAsm.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE - Enumerates processes with tasklist 1 TTPs 2 IoCs
pid Process 4172 tasklist.exe 1516 tasklist.exe - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000_Classes\Local Settings RegAsm.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 1060 PING.EXE - Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 4932 WINWORD.EXE 4932 WINWORD.EXE - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3172 Lie.pif 3172 Lie.pif 3172 Lie.pif 3172 Lie.pif 3172 Lie.pif 3172 Lie.pif 3172 Lie.pif 3172 Lie.pif - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3172 Lie.pif - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4172 tasklist.exe Token: SeDebugPrivilege 1516 tasklist.exe Token: SeDebugPrivilege 3864 RegAsm.exe - Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 3172 Lie.pif 3172 Lie.pif 3172 Lie.pif - Suspicious use of SendNotifyMessage 3 IoCs
pid Process 3172 Lie.pif 3172 Lie.pif 3172 Lie.pif - Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 4932 WINWORD.EXE 4932 WINWORD.EXE 3864 RegAsm.exe 4932 WINWORD.EXE 4932 WINWORD.EXE 4932 WINWORD.EXE 4932 WINWORD.EXE 4932 WINWORD.EXE 4932 WINWORD.EXE 4932 WINWORD.EXE 4932 WINWORD.EXE 4932 WINWORD.EXE 4932 WINWORD.EXE - Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 4452 wrote to memory of 3616 4452 8339045F879C83C60A535E72190C6B53.exe 92 PID 4452 wrote to memory of 3616 4452 8339045F879C83C60A535E72190C6B53.exe 92 PID 4452 wrote to memory of 3616 4452 8339045F879C83C60A535E72190C6B53.exe 92 PID 3616 wrote to memory of 4172 3616 cmd.exe 94 PID 3616 wrote to memory of 4172 3616 cmd.exe 94 PID 3616 wrote to memory of 4172 3616 cmd.exe 94 PID 3616 wrote to memory of 4596 3616 cmd.exe 95 PID 3616 wrote to memory of 4596 3616 cmd.exe 95 PID 3616 wrote to memory of 4596 3616 cmd.exe 95 PID 3616 wrote to memory of 1516 3616 cmd.exe 97 PID 3616 wrote to memory of 1516 3616 cmd.exe 97 PID 3616 wrote to memory of 1516 3616 cmd.exe 97 PID 3616 wrote to memory of 2416 3616 cmd.exe 98 PID 3616 wrote to memory of 2416 3616 cmd.exe 98 PID 3616 wrote to memory of 2416 3616 cmd.exe 98 PID 3616 wrote to memory of 1804 3616 cmd.exe 99 PID 3616 wrote to memory of 1804 3616 cmd.exe 99 PID 3616 wrote to memory of 1804 3616 cmd.exe 99 PID 3616 wrote to memory of 4784 3616 cmd.exe 100 PID 3616 wrote to memory of 4784 3616 cmd.exe 100 PID 3616 wrote to memory of 4784 3616 cmd.exe 100 PID 3616 wrote to memory of 400 3616 cmd.exe 101 PID 3616 wrote to memory of 400 3616 cmd.exe 101 PID 3616 wrote to memory of 400 3616 cmd.exe 101 PID 3616 wrote to memory of 3172 3616 cmd.exe 102 PID 3616 wrote to memory of 3172 3616 cmd.exe 102 PID 3616 wrote to memory of 3172 3616 cmd.exe 102 PID 3616 wrote to memory of 1060 3616 cmd.exe 103 PID 3616 wrote to memory of 1060 3616 cmd.exe 103 PID 3616 wrote to memory of 1060 3616 cmd.exe 103 PID 3172 wrote to memory of 3864 3172 Lie.pif 107 PID 3172 wrote to memory of 3864 3172 Lie.pif 107 PID 3172 wrote to memory of 3864 3172 Lie.pif 107 PID 3172 wrote to memory of 3864 3172 Lie.pif 107 PID 3172 wrote to memory of 3864 3172 Lie.pif 107 PID 3864 wrote to memory of 4932 3864 RegAsm.exe 108 PID 3864 wrote to memory of 4932 3864 RegAsm.exe 108
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3232
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C:\Users\Admin\AppData\Local\Temp\8339045F879C83C60A535E72190C6B53.exe"C:\Users\Admin\AppData\Local\Temp\8339045F879C83C60A535E72190C6B53.exe"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4452 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k move Aboriginal Aboriginal.bat & Aboriginal.bat & exit3⤵
- Suspicious use of WriteProcessMemory
PID:3616 -
C:\Windows\SysWOW64\tasklist.exetasklist4⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:4172
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-
C:\Windows\SysWOW64\findstr.exefindstr /I "wrsa.exe opssvc.exe"4⤵PID:4596
-
-
C:\Windows\SysWOW64\tasklist.exetasklist4⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:1516
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-
C:\Windows\SysWOW64\findstr.exefindstr /I "avastui.exe avgui.exe nswscsvc.exe sophoshealth.exe"4⤵PID:2416
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C:\Windows\SysWOW64\cmd.execmd /c md 132874⤵PID:1804
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C:\Windows\SysWOW64\cmd.execmd /c copy /b Britney + Styles + Pipeline + Username + Suffer + Excellence 13287\Lie.pif4⤵PID:4784
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C:\Windows\SysWOW64\cmd.execmd /c copy /b Property 13287\F4⤵PID:400
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C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\13287\Lie.pif13287\Lie.pif 13287\F4⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3172
-
-
C:\Windows\SysWOW64\PING.EXEping -n 5 127.0.0.14⤵
- Runs ping.exe
PID:1060
-
-
-
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C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\13287\RegAsm.exeC:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\13287\RegAsm.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3864 -
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Резюме (Татьяна Михайлова).doc" /o ""3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4932
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-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\13287\Lie.pif
- Size 924KB
- SHA256 f58d3a4b2f3f7f10815c24586fae91964eeed830369e7e0701b43895b0cefbd3
- MD5 848164d084384c49937f99d5b894253e
- SHA1 3055ef803eeec4f175ebf120f94125717ee12444
- SHA512 aabe1cf076f48f32542f49a92e4ca9f054b31d5a9949119991b897b9489fe775d8009896408ba49ac43ec431c87c0d385daead9dbbde7ef6309b0c97bbaf852a
- SSDEEP 24576:LOo8pEnK4mrqlEZuVZ2HOI+X0l1lMZyYFaeBmyF:LF8p4KpqlEZeXI+X0TVcae3F
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\13287\RegAsm.exe
- Size 63KB
- SHA256 c066aee7aa3aa83f763ebc5541daa266ed6c648fbffcde0d836a13b221bb2adc
- MD5 0d5df43af2916f47d00c1573797c1a13
- SHA1 230ab5559e806574d26b4c20847c368ed55483b0
- SHA512 f96cf9e1890746b12daf839a6d0f16f062b72c1b8a40439f96583f242980f10f867720232a6fa0f7d4d7ac0a7a6143981a5a130d6417ea98b181447134c7cfe2
- SSDEEP 768:X8XcJiMjm2ieHlPyCsSuJbn8dBhFwlSMF6Iq8KSYDKbQ22qWqO8w1R:rYMaNylPYSAb8dBnsHsPDKbQBqTY
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Aboriginal
- Size 10KB
- SHA256 c93e967a55d9818f48f146dd5fa1790d50b6b6994806b9a984b296c44caf7e63
- MD5 0a788dd6351dedab6170753765a9a7c7
- SHA1 7dc9d746c768b752331efee82d9254ca41c02f61
- SHA512 8bf11a6f31ee587d9945110a85bace54d3b11c7e7583f8cebb7616db379049a3f05d4ad397abc52010b1cb11ae89a7a2ff912aebec9b8cc744630e4c4d491af3
- SSDEEP 192:wkMiLQbffUrqWWMSUxsFNAIykrfTVBSEKfTdVgy0YbMMs1:txwkHBVyFNAI7rbVBSEK7dVgnYbMMs1
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Britney
- Size 146KB
- SHA256 67a96529b61982b1b860af5710a7d3f65f33a630f6ce613a64b6eedda79403f2
- MD5 15c5fbc1a3a09219a40fe1f07e5789a0
- SHA1 16751825db43f1aeb6d50127d42c24457cf3a11e
- SHA512 60d74639dd3a08e70e96f175c02321fe8bc23df41191cb81a1fa3c44dde9d053ead08c9e38256dd639153d2e70fa568494edeb0f1e9dec7cea0ea46cf9b5c389
- SSDEEP 3072:pPpU08BjlWTPJth26X7Sn4UfpLUNN9t68cCWlrss4M5iRo:LQBk7JjX74cN0lrztgo
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Excellence
- Size 136KB
- SHA256 e0abbd2bbcec3db32823ba43f357df7e9be16defff29a5e1e55b8682624590b5
- MD5 c5237eedf621d4e975e22e502bddfa7e
- SHA1 509c417d04595c920c5b9655d62e91d9954a5fd1
- SHA512 cb7c3c004996e345287048e5c94f90c92f127fb079e23384134547cecc1b93e6882a3cb612deb9e6d4380ceb1f2efeb9b76fa91af93e85597400e3eb04c63e9b
- SSDEEP 3072:qKj+wsxjgarB3RZgDWy4ZNogXJ3i2Umb2Oq:fEgarxUaBZ2myoG
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Pipeline
- Size 130KB
- SHA256 d0a3c6c90ec7fcae7f332fef3aa6f2bdcea557bab33c9f71acc3146241c621c1
- MD5 19c45b5d0324904ad54f457082bfc289
- SHA1 187113bc9d7b3e4876552e777361665c8ec48f5c
- SHA512 f617d9636703d76e39d1d785406ee8de47170c5761742896c61b1e4ccd26d6eafeaa42ab1af3a3bee8966f3d9d1f95be494979b5fbcaa86da54a54218f208035
- SSDEEP 3072:R/9EAehuqCkrwzW3Nzl8F5hPLaLWysRIO7vHZnBfzHl8Dz5Yak:DEAehuqN8zwNzlmhPL1b5nZ2tk
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Property
- Size 4.4MB
- SHA256 28ec73e5d81ec24ecb5fb4a25b6010c6394ba45290cb32c1b7e28a51c6703b65
- MD5 c80982a59916a5616f9a40f4acf6a2a5
- SHA1 20fc58a53f63a592552ee88263809c2970afe0f1
- SHA512 cd0f9d3116509002f4b6adfb2004e051ddf30922fb8d407c6ed351d58ab56427e64d4933581b5094c4f9506df02ecd9ff81f0a1be2edd8510826b6c14a6237d6
- SSDEEP 24576:6/KZihpJ0j7ng/xcPCON2C3lNdT5OLnNubK/vbdprazb25MQE3qjxDaT3um2ZqMw:6sbWTuGdkwU1
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Styles
- Size 110KB
- SHA256 c19318190538dceea957e8238407302e971e21a2aea73f7d03d79e90fe8426c2
- MD5 21e5764777c71b407678329eaa4a29f5
- SHA1 258043dcbd24166ca5c27f6f5e87256ff4cee240
- SHA512 698d09c956e95be7776d31b41cdd7246b8fd859afdeff554bcdeb50bb1dff56ecc79258236f276b7b4f961bc90049b92ce53ae9701b21c68ed5f5ad56494c59c
- SSDEEP 3072:x3U0Pe3vHU4S4/33SrF7etHufKE5Kmqd1UhlqRW6:VU0Wyw3mFygyE4mqd12lqh
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Suffer
- Size 183KB
- SHA256 32f37d9cf14d6c4974bb84cc5d74119feaf57569da0b0034b08795d5ae1568ee
- MD5 6b9a567f7c32aa9133b5c294ccca24a5
- SHA1 ae508614bf8944b9dd3d9c8bdc7ae1ac1367d31c
- SHA512 a7efe0049b4cdcccf19563a1bb8d51ee17721811e4d4789140835af070d3a699eb267085d239fb170b3cb642955d566221a043194288f851edfeddce27d1aeac
- SSDEEP 3072:IA9vtqmcCVs5A3q5eAg0Fuz08XvBNbIaAtbPf6u:HFqZvEAOz04pmdV36u
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Username
- Size 219KB
- SHA256 13cb3210d145d061929d7c80ade232ff88e8fae54357f83a63651feef4971a5c
- MD5 b87bf0e36ad755b2d021931105722dc3
- SHA1 cfb5f0ce8725ae3e68415db322a60f934a5fff00
- SHA512 44a2faaabc0a6c309e23a42e5d37eb33972426c05b6b4653291345f5332b5bf8d5b8e79dfc22ad7cd5bfc3d9d335634237696e899ff717eaa5a58604dde99489
- SSDEEP 6144:i6lfA6Gfm608DsvqJX4xNAB+xHFq9O0lHPOGUWLhxjRYU:i6XKmNvqJWNAB+X0lHPOGNnF
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\Резюме (Татьяна Михайлова).doc
- Size 68KB
- SHA256 fba2acea9f965b35c8e1168604df6cfd83dc709ac2878eaa37728e0d2c896f78
- MD5 03d642672e29b1c4ae4385d3a279a007
- SHA1 8b1c29fb4b0010ea50e7599fc7cbe2be0b123049
- SHA512 cd746b644347f15c9f78e93fb40bf34a9e7c92465c72d86aca7555403a303b7482b23ff2677dbc49af73af2c511837c4342fbc23b30b3d3dafef6e316beb1610
- SSDEEP 1536:MSxKsaQQwMVkS+qJEUGH53OtFDck2DI3:j4sapDhGH53
- MD5 SHA1 SHA512 SSDEEP