Analysis
- max time kernel
150s - 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
03/03/2024, 11:10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
virussign.com_b9b24219000f75286cbdb7c8e600061c.exe
Resource
win7-20240221-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
virussign.com_b9b24219000f75286cbdb7c8e600061c.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
6 signatures
150 seconds
General
- Target virussign.com_b9b24219000f75286cbdb7c8e600061c.exe
- Size 3.1MB
- Sample240303-m91yhahf21
- SHA256 a57a795d21b41f196e05995a2793aee9875061e835ecaab4f0a9dd17c1319c9c
- MD5 b9b24219000f75286cbdb7c8e600061c
- SHA1 7378262f7726f4af59421ff689449f315612d69c
- SHA512 f0c9825509b373e9fc47f979dcc6c32a02124d6e8762140439dadf8c11db0370a1d582f7c756652e255aa962820400581aea4e859b03af2498f627c84bfb4b33
- SSDEEP 49152:sxX7665YxRVplZzSKntlGIiT+HvRdpcAHSjpjK3LBMB/bSqz8b6LNXJqI:sxX7QnxrloE5dpUpLbVz8eLFc
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysdevdob.exe virussign.com_b9b24219000f75286cbdb7c8e600061c.exe - Executes dropped EXE 2 IoCs
pid Process 4380 sysdevdob.exe 3616 devdobsys.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Parametr = "C:\\KaVB53\\dobxloc.exe" virussign.com_b9b24219000f75286cbdb7c8e600061c.exe Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Parametr = "C:\\Adobe95\\devdobsys.exe" virussign.com_b9b24219000f75286cbdb7c8e600061c.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4488 virussign.com_b9b24219000f75286cbdb7c8e600061c.exe 4488 virussign.com_b9b24219000f75286cbdb7c8e600061c.exe 4488 virussign.com_b9b24219000f75286cbdb7c8e600061c.exe 4488 virussign.com_b9b24219000f75286cbdb7c8e600061c.exe 4380 sysdevdob.exe 4380 sysdevdob.exe 3616 devdobsys.exe 3616 devdobsys.exe 4380 sysdevdob.exe 4380 sysdevdob.exe 3616 devdobsys.exe 3616 devdobsys.exe 4380 sysdevdob.exe 4380 sysdevdob.exe 3616 devdobsys.exe 3616 devdobsys.exe 4380 sysdevdob.exe 4380 sysdevdob.exe 3616 devdobsys.exe 3616 devdobsys.exe 4380 sysdevdob.exe 4380 sysdevdob.exe 3616 devdobsys.exe 3616 devdobsys.exe 4380 sysdevdob.exe 4380 sysdevdob.exe 3616 devdobsys.exe 3616 devdobsys.exe 4380 sysdevdob.exe 4380 sysdevdob.exe 3616 devdobsys.exe 3616 devdobsys.exe 4380 sysdevdob.exe 4380 sysdevdob.exe 3616 devdobsys.exe 3616 devdobsys.exe 4380 sysdevdob.exe 4380 sysdevdob.exe 3616 devdobsys.exe 3616 devdobsys.exe 4380 sysdevdob.exe 4380 sysdevdob.exe 3616 devdobsys.exe 3616 devdobsys.exe 4380 sysdevdob.exe 4380 sysdevdob.exe 3616 devdobsys.exe 3616 devdobsys.exe 4380 sysdevdob.exe 4380 sysdevdob.exe 3616 devdobsys.exe 3616 devdobsys.exe 4380 sysdevdob.exe 4380 sysdevdob.exe 3616 devdobsys.exe 3616 devdobsys.exe 4380 sysdevdob.exe 4380 sysdevdob.exe 3616 devdobsys.exe 3616 devdobsys.exe 4380 sysdevdob.exe 4380 sysdevdob.exe 3616 devdobsys.exe 3616 devdobsys.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4488 wrote to memory of 4380 4488 virussign.com_b9b24219000f75286cbdb7c8e600061c.exe 90 PID 4488 wrote to memory of 4380 4488 virussign.com_b9b24219000f75286cbdb7c8e600061c.exe 90 PID 4488 wrote to memory of 4380 4488 virussign.com_b9b24219000f75286cbdb7c8e600061c.exe 90 PID 4488 wrote to memory of 3616 4488 virussign.com_b9b24219000f75286cbdb7c8e600061c.exe 91 PID 4488 wrote to memory of 3616 4488 virussign.com_b9b24219000f75286cbdb7c8e600061c.exe 91 PID 4488 wrote to memory of 3616 4488 virussign.com_b9b24219000f75286cbdb7c8e600061c.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\virussign.com_b9b24219000f75286cbdb7c8e600061c.exe"C:\Users\Admin\AppData\Local\Temp\virussign.com_b9b24219000f75286cbdb7c8e600061c.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4488 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysdevdob.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysdevdob.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4380
-
-
C:\Adobe95\devdobsys.exeC:\Adobe95\devdobsys.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:3616
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Adobe95\devdobsys.exe
- Size 258KB
- SHA256 a72445d09b7d7b56eacd25c368f99a698f348e43d8fffa116c34e35b62b694f4
- MD5 f0b23c68f014f5f0a0a656b6dac2fdaf
- SHA1 dfff792b49518f35cf9e17ece2a82c7c6ad76cab
- SHA512 768dcacf6ffc8632e4ea0c98f93c9b79c159b4bbabaa19894446f6ab53846ff88d1876edd38abd7bd8febc76e2ce50e173ce9322f749d625bf03de57e57b65bb
- SSDEEP 6144:6nyJ3n0Dm7+zm6wr6YEjAumIann6qJ/mB9D+nnS5as:6ne3n0DmAm67YEjAyu6qJ/+WS5as
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Adobe95\devdobsys.exe
- Size 3.1MB
- SHA256 098b4ea63bffeabd41b1d1dfd7302ae164c59b382dff2553d9b04e4e0d03d5a1
- MD5 1d5ba8583e20e7d601dc386a90f1e3dc
- SHA1 42dcfb583b0cd71b43985a458602dfefa8739c26
- SHA512 f9adba3cd36777463e9f0b11b9ece1ca71fcf2a8a766d4de61e7e84172f0251244f9acb107ee9d252d56b8b1de5daec9d503696c70d1f2c1c6c21628ae7b08a9
- SSDEEP 49152:sxX7665YxRVplZzSKntlGIiT+HvRdpcAHSjpjK3LBxB/bSqz8b6LNXJqI:sxX7QnxrloE5dpUpKbVz8eLFc
- MD5 SHA1 SHA512 SSDEEP
- Path C:\KaVB53\dobxloc.exe
- Size 3.1MB
- SHA256 33a557f2aae572091c50d7466727ced2aed26d4cfe1444f11f4ce1b0b484365d
- MD5 55556f3c18ff4cd836aaee0092ee3c79
- SHA1 0f9a46c4188e7bc18f3adda356dc165d44631cef
- SHA512 cf73f543753386d2f408f2b709ce13f77535a627e6153ccb3737529e007a62814f5b4e638dc3f6e8ef8d2638522c9d8ed6d3b70c555336d6fe91319286443949
- SSDEEP 49152:sxX7665YxRVplZzSKntlGIiT+HvRdpcAHSjpjK3LBmB/bSqz8b6LNXJqI:sxX7QnxrloE5dpUppbVz8eLFc
- MD5 SHA1 SHA512 SSDEEP
- Path C:\KaVB53\dobxloc.exe
- Size 2KB
- SHA256 a00cb9e4925adeb76579afad8d4b44f42b673dfd22ddfe51c610d5735352b8ce
- MD5 3a5d0acace842a6c2882283fe5ba536e
- SHA1 ec03bc0ac803d7dc67d3d3dc36f6e8709399ab1f
- SHA512 33dbc0489cb875474a0bcafe9a40a9cfb47a48e49d7c5f39bc0247ab38d5bc4605c502418e6c4323d9b720f7134de0d2fe4db3ea24237934b9f49f21fc1be2f8
- MD5 SHA1 SHA512
- Path C:\Users\Admin\253086396416_10.0_Admin.ini
- Size 204B
- SHA256 c649d043a20e4fd3d2e1060aa36e2790181aaf887d7ed97f442ee11713db8a14
- MD5 0ec7e5d86d9327ddcc4ceffea222932e
- SHA1 e7f2f0660c6fd8f4af677486e5f1b1d61326eb5e
- SHA512 10745e158e4fde3ab9b7843065a507536551db1e18640e14240e24da1d88a0ead5c97b31dd2f5ed1c0058c17c55346cb04c4bd310ee52fb70b3c31222ca3a30e
- MD5 SHA1 SHA512
- Path C:\Users\Admin\253086396416_10.0_Admin.ini
- Size 172B
- SHA256 8c3d5b386445fd049229555b92aa2467e3028b93b805149845c1df6493453bc8
- MD5 6a83fa32a3fb777ce7b16d2c93e98565
- SHA1 d2ee7f76cf557a5535e5244430e84348856f5d29
- SHA512 0ca3741d25395fea111bf857e04ef178388846d4601144b693be9f842e16787448374a832f0a4f85d65c479c14057e16ebf8751f61479a75abc999fdde2c6c0c
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysdevdob.exe
- Size 3.1MB
- SHA256 db30e831628f617ecfb3718d13114d9ddb3a24e74392354fd7c735847815d274
- MD5 5f12623dffb7b8c3bcd838c94647bfba
- SHA1 f7789f821c6b49466f9b07bc39e55fe3fe83fb23
- SHA512 701790aebf7efed4860e211ec761a21a1b4ea7062e4e8b5343b762a2fd12cc2859c8527d57cfa1bc7724cc237693885bed1a5ee0842b09fa6e9c1fef71ce93c4
- SSDEEP 49152:sxX7665YxRVplZzSKntlGIiT+HvRdpcAHSjpjK3LBTB/bSqz8b6LNXJqI:sxX7QnxrloE5dpUpEbVz8eLFc
- MD5 SHA1 SHA512 SSDEEP