Analysis
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max time kernel
158s -
max time network
101s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
02/10/2022, 12:29
Static task
static1
Behavioral task
behavioral1
Sample
b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe
Resource
win10v2004-20220812-en
General
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Target
b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe
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Size
136KB
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MD5
7b01dfd195614b2fc8b373cb88b97f5a
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SHA1
bf46498bf30d09f3f3d1f7762bf870aa262ebbce
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SHA256
b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118
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SHA512
869fee05c685e923f54d0857c8ff85e3677fc9e1f2b6faaf3d8801ce149ff2b96f98b2512f770640298a546bd7675ed2f9c363ee7a19f203840c262087714598
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SSDEEP
3072:MrmsNiEPqweu9WFMgc6OsoTY2RyWOMujX3CjzZFmBzsg0Yc6:M64eu9SMuoTYoyWOMujX01FmFfbc6
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2704 Explorer.EXE -
Registers COM server for autorun 1 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-2891029575-1462575-1165213807-1000\\$2044bf79846b6002d22d675c414e0021\\n." b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32 b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both" b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe -
Unexpected DNS network traffic destination 5 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\clsid b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32 b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both" b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-2891029575-1462575-1165213807-1000\\$2044bf79846b6002d22d675c414e0021\\n." b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 5080 b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe 5080 b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe 5080 b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe 5080 b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe 5080 b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe 5080 b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe 5080 b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe 5080 b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe 2704 Explorer.EXE 2704 Explorer.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2704 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5080 b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe Token: SeDebugPrivilege 5080 b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe Token: SeDebugPrivilege 5080 b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe Token: SeDebugPrivilege 2704 Explorer.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5080 wrote to memory of 2704 5080 b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe 41 PID 5080 wrote to memory of 2704 5080 b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe 41
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2704 -
C:\Users\Admin\AppData\Local\Temp\b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe"C:\Users\Admin\AppData\Local\Temp\b6d195eb3630be9704573b52c6601ec5e713f4ee0c11d2c9bb84d96ea420c118.exe"2⤵
- Registers COM server for autorun
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5080
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
41KB
MD5fb4e3236959152a057bc6b7603c538ef
SHA1b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4
SHA2568244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0
SHA512993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2
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Filesize
41KB
MD5fb4e3236959152a057bc6b7603c538ef
SHA1b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4
SHA2568244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0
SHA512993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2