Analysis
-
max time kernel
148s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
16-11-2022 09:34
Static task
static1
Behavioral task
behavioral1
Sample
4500295678.exe
Resource
win7-20220812-en
General
-
Target
4500295678.exe
-
Size
763KB
-
MD5
0294badebae62dd7e03d329fb35b2395
-
SHA1
e44bae4b5c71c79a11c22fe97d45bb027822b4cd
-
SHA256
7d51363f1fc990710be0a463a7123a5c5cbe532e81164b1c43d4a159a89dadeb
-
SHA512
fd53e307148a44af3c03025591bfe7a5e6e95daf25dc3eb089f2c4ebdedf1357ce1c4f7970c56ceba3cacf04caea53acac242d21e296126316d98cdf369157e8
-
SSDEEP
12288:gTkSi8uZXy8E6AvHiCx62iNOIFDWfAK1LkD+4oGN/XgYOHK6+kLcz3hi3pm+P0/Q:x18uNy8UaC619FDWIXy4oGA3+eY3hkmi
Malware Config
Extracted
formbook
zzun
JnNtRHyNupy0GqRzAcasu7hb4rc=
Qv593NGLE7p9UNSaVkPXljAJm2QCNnc=
ePArIFWvjkkMgVEVhw4M4Jk=
26rqUwJ7dD0AiDI=
pBAxMHeK741QFw==
kHD7TPt5846pUMTX
56UnjFjHL1i0j659h3LymRnHpQj+SshC
4vKlKHflPqmWXRbrRwfPtrhb4rc=
6LBd4qButFAi
phMzGll8Ue7Fu+inq5cdnPaSugG3
NKswiQGCvZoG5FgsdHEI
rtTHnuUY8M1qVcXV
SOmECrlAt2oGAA==
L1ep9adutFAi
/UE+/AyvE6uEl28weFI=
IP+xMPQxJR4NE6TK
xvW5GN9/rqA5YUoOVt185Sf7Uw==
fRFNW9DhxL6VF7LA
KFYTfkaY741QFw==
W4JGvMBmt2oGAA==
lnoad0Hkgrwl9uXlghvqdz33UA==
1msShiu+9wisELGDjYAK
FBXFOinAK8ylnMZzi35Okw==
V8Y7/cBnt2oGAA==
VfuI0k5pSmi6+aNjIlAT2mspCZBZLGA=
de74yg89D61bSiU=
V2UPjYUvwh21qdxUr4Mf
DcFXvTxFMlyfL5JJIU0=
GldbH/CCt2oGAA==
sxdEIBwn+o+pUMTX
UmViK+1/Knr8814sdHEI
jrfKoZ6paLyeEBETgw4M4Jk=
SR27MizpGwCa19Kb1A==
2DGo9XUNxBOe19Kb1A==
7tBn2cG8jasWHE7w559Aig==
8qtAoVHxl/KGerbsfA4M4Jk=
fC3AH6Utt2oGAA==
HltlPHZ7FpSpUMTX
xd0B+Pr30gBfQGYXafOW1dOSflv+SshC
DKXWyiOecY7319Kb1A==
Pvx505EaswiHYF3z559Aig==
aJ6kaz7CWKsP9g9Ur4Mf
qcvfxb9TwUoDCrfXw/uTdSkTCJBZLGA=
I++iH8xJxFp73nyUjJOg3/PS/3W7
K1N1guwbLz0AiDI=
vp2SfavTmBXNzLeXmIoUhsB7
UlAVhgIfLT0AiDI=
6BKH5GjHt2YIo/qhA69S+5E=
6U29K+qVw5hT4gQ83A==
G9NTmhwpAwY6r4I69kT4dz33UA==
0qstoaNBmBrMlfwTKhrAtLhb4rc=
ZvMhGW52cyAAXkVV3Jc96Lhb4rc=
N9Z3/PmEt2oGAA==
ohlOhcaP741QFw==
9WF3PohVjEolhCY=
am0ek4wtmkEI9GMVhw4M4Jk=
ROotH4+jhp7vnzVdww==
uvkuFhGmJlyjpFFpi35Okw==
ICHQQTIjaxTryG8weFI=
AhIZ8uh974+pUMTX
pEBtSFHr/5s0GQ==
qAcuLnqLNeOpUMTX
bcHv6WdbHoWEylgsdHEI
Nz/rbWh3s4WFDL9uPlAhXKNz
secure-id6793-chase.com
Extracted
xloader
2.9
zzun
JnNtRHyNupy0GqRzAcasu7hb4rc=
Qv593NGLE7p9UNSaVkPXljAJm2QCNnc=
ePArIFWvjkkMgVEVhw4M4Jk=
26rqUwJ7dD0AiDI=
pBAxMHeK741QFw==
kHD7TPt5846pUMTX
56UnjFjHL1i0j659h3LymRnHpQj+SshC
4vKlKHflPqmWXRbrRwfPtrhb4rc=
6LBd4qButFAi
phMzGll8Ue7Fu+inq5cdnPaSugG3
NKswiQGCvZoG5FgsdHEI
rtTHnuUY8M1qVcXV
SOmECrlAt2oGAA==
L1ep9adutFAi
/UE+/AyvE6uEl28weFI=
IP+xMPQxJR4NE6TK
xvW5GN9/rqA5YUoOVt185Sf7Uw==
fRFNW9DhxL6VF7LA
KFYTfkaY741QFw==
W4JGvMBmt2oGAA==
lnoad0Hkgrwl9uXlghvqdz33UA==
1msShiu+9wisELGDjYAK
FBXFOinAK8ylnMZzi35Okw==
V8Y7/cBnt2oGAA==
VfuI0k5pSmi6+aNjIlAT2mspCZBZLGA=
de74yg89D61bSiU=
V2UPjYUvwh21qdxUr4Mf
DcFXvTxFMlyfL5JJIU0=
GldbH/CCt2oGAA==
sxdEIBwn+o+pUMTX
UmViK+1/Knr8814sdHEI
jrfKoZ6paLyeEBETgw4M4Jk=
SR27MizpGwCa19Kb1A==
2DGo9XUNxBOe19Kb1A==
7tBn2cG8jasWHE7w559Aig==
8qtAoVHxl/KGerbsfA4M4Jk=
fC3AH6Utt2oGAA==
HltlPHZ7FpSpUMTX
xd0B+Pr30gBfQGYXafOW1dOSflv+SshC
DKXWyiOecY7319Kb1A==
Pvx505EaswiHYF3z559Aig==
aJ6kaz7CWKsP9g9Ur4Mf
qcvfxb9TwUoDCrfXw/uTdSkTCJBZLGA=
I++iH8xJxFp73nyUjJOg3/PS/3W7
K1N1guwbLz0AiDI=
vp2SfavTmBXNzLeXmIoUhsB7
UlAVhgIfLT0AiDI=
6BKH5GjHt2YIo/qhA69S+5E=
6U29K+qVw5hT4gQ83A==
G9NTmhwpAwY6r4I69kT4dz33UA==
0qstoaNBmBrMlfwTKhrAtLhb4rc=
ZvMhGW52cyAAXkVV3Jc96Lhb4rc=
N9Z3/PmEt2oGAA==
ohlOhcaP741QFw==
9WF3PohVjEolhCY=
am0ek4wtmkEI9GMVhw4M4Jk=
ROotH4+jhp7vnzVdww==
uvkuFhGmJlyjpFFpi35Okw==
ICHQQTIjaxTryG8weFI=
AhIZ8uh974+pUMTX
pEBtSFHr/5s0GQ==
qAcuLnqLNeOpUMTX
bcHv6WdbHoWEylgsdHEI
Nz/rbWh3s4WFDL9uPlAhXKNz
secure-id6793-chase.com
Signatures
-
Xloader payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/1568-62-0x0000000000400000-0x000000000042C000-memory.dmp xloader behavioral1/memory/1568-63-0x000000000041F6F0-mapping.dmp xloader behavioral1/memory/1568-65-0x0000000000400000-0x000000000042C000-memory.dmp xloader behavioral1/memory/1288-72-0x0000000000080000-0x00000000000AC000-memory.dmp xloader behavioral1/memory/1288-76-0x0000000000080000-0x00000000000AC000-memory.dmp xloader -
Adds policy Run key to start application 2 TTPs 2 IoCs
Processes:
wlanext.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run wlanext.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\1B3DUFW0NHJH = "C:\\Program Files (x86)\\Hylu8\\msbbp.exe" wlanext.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
4500295678.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Control Panel\International\Geo\Nation 4500295678.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1544 cmd.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
4500295678.exe4500295678.exewlanext.exedescription pid process target process PID 864 set thread context of 1568 864 4500295678.exe 4500295678.exe PID 1568 set thread context of 1296 1568 4500295678.exe Explorer.EXE PID 1288 set thread context of 1296 1288 wlanext.exe Explorer.EXE -
Drops file in Program Files directory 1 IoCs
Processes:
wlanext.exedescription ioc process File opened for modification C:\Program Files (x86)\Hylu8\msbbp.exe wlanext.exe -
Processes:
wlanext.exedescription ioc process Key created \Registry\User\S-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 wlanext.exe -
Suspicious behavior: EnumeratesProcesses 21 IoCs
Processes:
4500295678.exewlanext.exepid process 1568 4500295678.exe 1568 4500295678.exe 1288 wlanext.exe 1288 wlanext.exe 1288 wlanext.exe 1288 wlanext.exe 1288 wlanext.exe 1288 wlanext.exe 1288 wlanext.exe 1288 wlanext.exe 1288 wlanext.exe 1288 wlanext.exe 1288 wlanext.exe 1288 wlanext.exe 1288 wlanext.exe 1288 wlanext.exe 1288 wlanext.exe 1288 wlanext.exe 1288 wlanext.exe 1288 wlanext.exe 1288 wlanext.exe -
Suspicious behavior: MapViewOfSection 7 IoCs
Processes:
4500295678.exewlanext.exepid process 1568 4500295678.exe 1568 4500295678.exe 1568 4500295678.exe 1288 wlanext.exe 1288 wlanext.exe 1288 wlanext.exe 1288 wlanext.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
4500295678.exewlanext.exedescription pid process Token: SeDebugPrivilege 1568 4500295678.exe Token: SeDebugPrivilege 1288 wlanext.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
Explorer.EXEpid process 1296 Explorer.EXE 1296 Explorer.EXE -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
Explorer.EXEpid process 1296 Explorer.EXE 1296 Explorer.EXE -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
4500295678.exeExplorer.EXEwlanext.exedescription pid process target process PID 864 wrote to memory of 1568 864 4500295678.exe 4500295678.exe PID 864 wrote to memory of 1568 864 4500295678.exe 4500295678.exe PID 864 wrote to memory of 1568 864 4500295678.exe 4500295678.exe PID 864 wrote to memory of 1568 864 4500295678.exe 4500295678.exe PID 864 wrote to memory of 1568 864 4500295678.exe 4500295678.exe PID 864 wrote to memory of 1568 864 4500295678.exe 4500295678.exe PID 864 wrote to memory of 1568 864 4500295678.exe 4500295678.exe PID 1296 wrote to memory of 1288 1296 Explorer.EXE wlanext.exe PID 1296 wrote to memory of 1288 1296 Explorer.EXE wlanext.exe PID 1296 wrote to memory of 1288 1296 Explorer.EXE wlanext.exe PID 1296 wrote to memory of 1288 1296 Explorer.EXE wlanext.exe PID 1288 wrote to memory of 1544 1288 wlanext.exe cmd.exe PID 1288 wrote to memory of 1544 1288 wlanext.exe cmd.exe PID 1288 wrote to memory of 1544 1288 wlanext.exe cmd.exe PID 1288 wrote to memory of 1544 1288 wlanext.exe cmd.exe PID 1288 wrote to memory of 964 1288 wlanext.exe Firefox.exe PID 1288 wrote to memory of 964 1288 wlanext.exe Firefox.exe PID 1288 wrote to memory of 964 1288 wlanext.exe Firefox.exe PID 1288 wrote to memory of 964 1288 wlanext.exe Firefox.exe PID 1288 wrote to memory of 964 1288 wlanext.exe Firefox.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\4500295678.exe"C:\Users\Admin\AppData\Local\Temp\4500295678.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\4500295678.exe"{path}"3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\wlanext.exe"C:\Windows\SysWOW64\wlanext.exe"2⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\4500295678.exe"3⤵
- Deletes itself
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/864-54-0x0000000001150000-0x0000000001214000-memory.dmpFilesize
784KB
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memory/864-55-0x0000000075141000-0x0000000075143000-memory.dmpFilesize
8KB
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memory/864-56-0x0000000000210000-0x0000000000222000-memory.dmpFilesize
72KB
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memory/864-57-0x00000000050B0000-0x0000000005132000-memory.dmpFilesize
520KB
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memory/864-58-0x0000000000870000-0x00000000008A2000-memory.dmpFilesize
200KB
-
memory/1288-74-0x00000000009B0000-0x0000000000A40000-memory.dmpFilesize
576KB
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memory/1288-76-0x0000000000080000-0x00000000000AC000-memory.dmpFilesize
176KB
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memory/1288-71-0x0000000000CD0000-0x0000000000CE6000-memory.dmpFilesize
88KB
-
memory/1288-73-0x00000000020F0000-0x00000000023F3000-memory.dmpFilesize
3.0MB
-
memory/1288-72-0x0000000000080000-0x00000000000AC000-memory.dmpFilesize
176KB
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memory/1288-69-0x0000000000000000-mapping.dmp
-
memory/1296-77-0x00000000068F0000-0x0000000006A23000-memory.dmpFilesize
1.2MB
-
memory/1296-75-0x00000000068F0000-0x0000000006A23000-memory.dmpFilesize
1.2MB
-
memory/1296-68-0x0000000006430000-0x00000000064FF000-memory.dmpFilesize
828KB
-
memory/1544-70-0x0000000000000000-mapping.dmp
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memory/1568-59-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
-
memory/1568-67-0x0000000000190000-0x00000000001A1000-memory.dmpFilesize
68KB
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memory/1568-66-0x0000000000770000-0x0000000000A73000-memory.dmpFilesize
3.0MB
-
memory/1568-65-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
-
memory/1568-63-0x000000000041F6F0-mapping.dmp
-
memory/1568-62-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/1568-60-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB