Analysis
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max time kernel
187s -
max time network
191s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
11-10-2023 11:38
Static task
static1
Behavioral task
behavioral1
Sample
1814f417d85cfd322d1e3340d26187d79583230fd0a8475500f0e19313ca8918.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
1814f417d85cfd322d1e3340d26187d79583230fd0a8475500f0e19313ca8918.exe
Resource
win10v2004-20230915-en
General
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Target
1814f417d85cfd322d1e3340d26187d79583230fd0a8475500f0e19313ca8918.exe
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Size
2.9MB
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MD5
8a4ca29e20c1ba2fb9b41d0276f3c6d3
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SHA1
502d625362ad2fe3ec1005f9e7621ef5947f2fbe
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SHA256
1814f417d85cfd322d1e3340d26187d79583230fd0a8475500f0e19313ca8918
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SHA512
56600a1fe80b07fac5f965c628972e9fdea206e41b2bb13139cc7556977d8681afec5a797c948604ad778ff6926359e437f4ebb7b81ea118d44dc883c5302c1e
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SSDEEP
49152:aGZ/OWDrX9lhj73hRb3Ew93mS+GyGLkGRkbeArL0MytYy8tsUM05:rROWDrT9VRbUw93mSjJLAXPXytYyysUz
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 4964 is-CPIDO.tmp 5060 OSJMount.exe 1936 OSJMount.exe -
Loads dropped DLL 1 IoCs
pid Process 4964 is-CPIDO.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 51.159.66.125 -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 9 IoCs
description ioc Process File created C:\Program Files (x86)\OSJMount\is-1PMRP.tmp is-CPIDO.tmp File opened for modification C:\Program Files (x86)\OSJMount\OSJMount.exe is-CPIDO.tmp File created C:\Program Files (x86)\OSJMount\is-MNHBK.tmp is-CPIDO.tmp File created C:\Program Files (x86)\OSJMount\is-RB2UQ.tmp is-CPIDO.tmp File created C:\Program Files (x86)\OSJMount\is-MV7PU.tmp is-CPIDO.tmp File opened for modification C:\Program Files (x86)\OSJMount\unins000.dat is-CPIDO.tmp File created C:\Program Files (x86)\OSJMount\unins000.dat is-CPIDO.tmp File created C:\Program Files (x86)\OSJMount\is-RP3JQ.tmp is-CPIDO.tmp File created C:\Program Files (x86)\OSJMount\is-K1CO8.tmp is-CPIDO.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Runs net.exe
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Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3792 wrote to memory of 4964 3792 1814f417d85cfd322d1e3340d26187d79583230fd0a8475500f0e19313ca8918.exe 86 PID 3792 wrote to memory of 4964 3792 1814f417d85cfd322d1e3340d26187d79583230fd0a8475500f0e19313ca8918.exe 86 PID 3792 wrote to memory of 4964 3792 1814f417d85cfd322d1e3340d26187d79583230fd0a8475500f0e19313ca8918.exe 86 PID 4964 wrote to memory of 3728 4964 is-CPIDO.tmp 87 PID 4964 wrote to memory of 3728 4964 is-CPIDO.tmp 87 PID 4964 wrote to memory of 3728 4964 is-CPIDO.tmp 87 PID 4964 wrote to memory of 5060 4964 is-CPIDO.tmp 89 PID 4964 wrote to memory of 5060 4964 is-CPIDO.tmp 89 PID 4964 wrote to memory of 5060 4964 is-CPIDO.tmp 89 PID 4964 wrote to memory of 1936 4964 is-CPIDO.tmp 91 PID 4964 wrote to memory of 1936 4964 is-CPIDO.tmp 91 PID 4964 wrote to memory of 1936 4964 is-CPIDO.tmp 91 PID 3728 wrote to memory of 4296 3728 net.exe 90 PID 3728 wrote to memory of 4296 3728 net.exe 90 PID 3728 wrote to memory of 4296 3728 net.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\1814f417d85cfd322d1e3340d26187d79583230fd0a8475500f0e19313ca8918.exe"C:\Users\Admin\AppData\Local\Temp\1814f417d85cfd322d1e3340d26187d79583230fd0a8475500f0e19313ca8918.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3792 -
C:\Users\Admin\AppData\Local\Temp\is-QIAU0.tmp\is-CPIDO.tmp"C:\Users\Admin\AppData\Local\Temp\is-QIAU0.tmp\is-CPIDO.tmp" /SL4 $E00E8 "C:\Users\Admin\AppData\Local\Temp\1814f417d85cfd322d1e3340d26187d79583230fd0a8475500f0e19313ca8918.exe" 2842868 522242⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4964 -
C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 273⤵
- Suspicious use of WriteProcessMemory
PID:3728 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 274⤵PID:4296
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C:\Program Files (x86)\OSJMount\OSJMount.exe"C:\Program Files (x86)\OSJMount\OSJMount.exe" -i3⤵
- Executes dropped EXE
PID:5060
-
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C:\Program Files (x86)\OSJMount\OSJMount.exe"C:\Program Files (x86)\OSJMount\OSJMount.exe" -s3⤵
- Executes dropped EXE
PID:1936
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.2MB
MD5d3bb8c5b9a21cc4d9362bff3fd598b2c
SHA17a6b86cf01e3725a23804614998d90fa44508eaa
SHA2561b31e13be077e5ca2b90604eb25045af6060775f066e92863e4578a2181643d2
SHA512571b4e94a280948fb9b1515e7c71afc965d29b05d91c61e8a9b70bdeeef7f1b0615c2cba3d7bb1c41fa018160a4ce995c28c5ca7e2961e2134e65a6c2bbdf9d4
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Filesize
2.2MB
MD5d3bb8c5b9a21cc4d9362bff3fd598b2c
SHA17a6b86cf01e3725a23804614998d90fa44508eaa
SHA2561b31e13be077e5ca2b90604eb25045af6060775f066e92863e4578a2181643d2
SHA512571b4e94a280948fb9b1515e7c71afc965d29b05d91c61e8a9b70bdeeef7f1b0615c2cba3d7bb1c41fa018160a4ce995c28c5ca7e2961e2134e65a6c2bbdf9d4
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Filesize
2.2MB
MD5d3bb8c5b9a21cc4d9362bff3fd598b2c
SHA17a6b86cf01e3725a23804614998d90fa44508eaa
SHA2561b31e13be077e5ca2b90604eb25045af6060775f066e92863e4578a2181643d2
SHA512571b4e94a280948fb9b1515e7c71afc965d29b05d91c61e8a9b70bdeeef7f1b0615c2cba3d7bb1c41fa018160a4ce995c28c5ca7e2961e2134e65a6c2bbdf9d4
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
652KB
MD5f1b5055e1e80bf52a48683f85f9298ef
SHA126976cc0c690693084466d185c5e84da9870a778
SHA2560b6381a1fc1ebc6594804042c8bf1ccfac7a9328bba3d3a487e571cbee298e50
SHA51201290db6ac4dedb15d20fdc80a112b34cbce5c381c8fd262633c662e7927b314bca8063ad6109331d57feb50ed4045c05a7235347bb29edf401f9f867e9237ef
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Filesize
652KB
MD5f1b5055e1e80bf52a48683f85f9298ef
SHA126976cc0c690693084466d185c5e84da9870a778
SHA2560b6381a1fc1ebc6594804042c8bf1ccfac7a9328bba3d3a487e571cbee298e50
SHA51201290db6ac4dedb15d20fdc80a112b34cbce5c381c8fd262633c662e7927b314bca8063ad6109331d57feb50ed4045c05a7235347bb29edf401f9f867e9237ef