Analysis
- max time kernel
127s - max time network
130s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
01/01/2022, 14:36
Static task
static1
Behavioral task
behavioral1
Sample
OkEgjVmQ0rPYTjBDwBy70NyH.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
OkEgjVmQ0rPYTjBDwBy70NyH.exe
Resource
win10-en-20211208
windows10_x64
0 signatures
0 seconds
Behavioral task
behavioral3
Sample
Osz8mRDYP0laXozOTuxyUiiF.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral4
Sample
Osz8mRDYP0laXozOTuxyUiiF.exe
Resource
win10-en-20211208
windows10_x64
0 signatures
0 seconds
Behavioral task
behavioral5
Sample
rUtfalBbvXy6eEmMrseqpFHx.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
General
- Target Osz8mRDYP0laXozOTuxyUiiF.exe
- Size 1.4MB
- Sample220101-ryw8dsgbhj
- SHA256 3e34092ce27276c1b0cdeba1d3f8649258e55f23dfb92fcd9de6d52d5f559e91
- MD5 0f01bbed1d28eba69835962f39d15261
- SHA1 5538f0cc1959b565277060c53d2f5e4d633ed899
- SHA512 442a815bc696cdd57bd141565c0ccf983ff9d241129a4bd6ed19d629fd60a5207501abf3ef5c6f19e6e6eab79fc27059f04664809e7572173d3621a2bfb4436d
- MD5 SHA1 SHA512
Malware Config
Signatures
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Kills process with taskkill 1 IoCs
pid Process 3308 taskkill.exe - Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeCreateTokenPrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeAssignPrimaryTokenPrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeLockMemoryPrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeIncreaseQuotaPrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeMachineAccountPrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeTcbPrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeSecurityPrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeTakeOwnershipPrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeLoadDriverPrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeSystemProfilePrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeSystemtimePrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeProfSingleProcessPrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeIncBasePriorityPrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeCreatePagefilePrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeCreatePermanentPrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeBackupPrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeRestorePrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeShutdownPrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeDebugPrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeAuditPrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeSystemEnvironmentPrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeChangeNotifyPrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeRemoteShutdownPrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeUndockPrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeSyncAgentPrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeEnableDelegationPrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeManageVolumePrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeImpersonatePrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeCreateGlobalPrivilege 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: 31 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: 32 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: 33 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: 34 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: 35 2628 Osz8mRDYP0laXozOTuxyUiiF.exe Token: SeDebugPrivilege 3308 taskkill.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2628 wrote to memory of 3712 2628 Osz8mRDYP0laXozOTuxyUiiF.exe 68 PID 2628 wrote to memory of 3712 2628 Osz8mRDYP0laXozOTuxyUiiF.exe 68 PID 2628 wrote to memory of 3712 2628 Osz8mRDYP0laXozOTuxyUiiF.exe 68 PID 3712 wrote to memory of 3308 3712 cmd.exe 70 PID 3712 wrote to memory of 3308 3712 cmd.exe 70 PID 3712 wrote to memory of 3308 3712 cmd.exe 70
Processes
-
C:\Users\Admin\AppData\Local\Temp\Osz8mRDYP0laXozOTuxyUiiF.exe"C:\Users\Admin\AppData\Local\Temp\Osz8mRDYP0laXozOTuxyUiiF.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2628 -
C:\Windows\SysWOW64\cmd.execmd.exe /c taskkill /f /im chrome.exe2⤵
- Suspicious use of WriteProcessMemory
PID:3712 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im chrome.exe3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3308
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