Analysis
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max time kernel
119s -
max time network
111s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22-11-2024 08:14
Static task
static1
Behavioral task
behavioral1
Sample
b8edbc41a318fc44ec8ad7fe39a870209404c90a31df2469eaccf2c4e2040ab1.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
b8edbc41a318fc44ec8ad7fe39a870209404c90a31df2469eaccf2c4e2040ab1.exe
Resource
win10v2004-20241007-en
General
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Target
b8edbc41a318fc44ec8ad7fe39a870209404c90a31df2469eaccf2c4e2040ab1.exe
-
Size
197KB
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MD5
e04a6c9125b982efc1b4a2270a9c1ba6
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SHA1
48e92669ec528cf17179364e6fb60d1efbdd1bc9
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SHA256
b8edbc41a318fc44ec8ad7fe39a870209404c90a31df2469eaccf2c4e2040ab1
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SHA512
db2a121d570db6e7b5593d4e8a0e84b6ef0d7ec639056bef421407cc828f8bfcc89c1503c7b0f14c71f8ce0921ccddff5dc36df6ecb26198be0876b50505d240
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SSDEEP
1536:7vVQb4cLIkN+4Weat2RKLjWlC48Pp9JAcjdPSrowvi+Mtp:7vVQLIkLWeaA8KlCph98rowvQtp
Malware Config
Extracted
Protocol: ftp- Host:
ftp.byethost12.com - Port:
21 - Username:
b12_8082975 - Password:
951753zx
Extracted
Protocol: ftp- Host:
ftp.tripod.com - Port:
21 - Username:
onthelinux - Password:
741852abc
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
b8edbc41a318fc44ec8ad7fe39a870209404c90a31df2469eaccf2c4e2040ab1.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation b8edbc41a318fc44ec8ad7fe39a870209404c90a31df2469eaccf2c4e2040ab1.exe -
Executes dropped EXE 1 IoCs
Processes:
jusched.exepid Process 1040 jusched.exe -
Drops file in Program Files directory 2 IoCs
Processes:
b8edbc41a318fc44ec8ad7fe39a870209404c90a31df2469eaccf2c4e2040ab1.exedescription ioc Process File created C:\Program Files (x86)\d1b9e61b\jusched.exe b8edbc41a318fc44ec8ad7fe39a870209404c90a31df2469eaccf2c4e2040ab1.exe File created C:\Program Files (x86)\d1b9e61b\d1b9e61b b8edbc41a318fc44ec8ad7fe39a870209404c90a31df2469eaccf2c4e2040ab1.exe -
Drops file in Windows directory 1 IoCs
Processes:
b8edbc41a318fc44ec8ad7fe39a870209404c90a31df2469eaccf2c4e2040ab1.exedescription ioc Process File created C:\Windows\Tasks\Update23.job b8edbc41a318fc44ec8ad7fe39a870209404c90a31df2469eaccf2c4e2040ab1.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
b8edbc41a318fc44ec8ad7fe39a870209404c90a31df2469eaccf2c4e2040ab1.exejusched.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b8edbc41a318fc44ec8ad7fe39a870209404c90a31df2469eaccf2c4e2040ab1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jusched.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
b8edbc41a318fc44ec8ad7fe39a870209404c90a31df2469eaccf2c4e2040ab1.exedescription pid Process procid_target PID 2264 wrote to memory of 1040 2264 b8edbc41a318fc44ec8ad7fe39a870209404c90a31df2469eaccf2c4e2040ab1.exe 84 PID 2264 wrote to memory of 1040 2264 b8edbc41a318fc44ec8ad7fe39a870209404c90a31df2469eaccf2c4e2040ab1.exe 84 PID 2264 wrote to memory of 1040 2264 b8edbc41a318fc44ec8ad7fe39a870209404c90a31df2469eaccf2c4e2040ab1.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\b8edbc41a318fc44ec8ad7fe39a870209404c90a31df2469eaccf2c4e2040ab1.exe"C:\Users\Admin\AppData\Local\Temp\b8edbc41a318fc44ec8ad7fe39a870209404c90a31df2469eaccf2c4e2040ab1.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2264 -
C:\Program Files (x86)\d1b9e61b\jusched.exe"C:\Program Files (x86)\d1b9e61b\jusched.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1040
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
17B
MD57bdf61d37c9adf3e1c6937107016091f
SHA156b8e0c454f9dd16d508a04b3afa7e458453ac41
SHA2564c57d86c256214baa0a5a3322ef5cdd575210455b7e964ad60382bd9d4be12e0
SHA512ff4fc1a427c84f47042375749f45ee6edea73b902ae977f14243ebceb7b9a28f41fe5dd404e3ea381754d9122202bc6b61ed0152b20a1c1be76c225dd20861d1
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Filesize
197KB
MD544c5627b029758cd8565ecc90ec8d69d
SHA16f60631e7f188f550cdae32671abf14c6ba1d2ab
SHA256382ca58d7a2bdcf220aedb2fef4f7a49d6199e99e8bd8c4dbbdc99fb374155c1
SHA512b307dc6d753bf0ebc72e4727783a398904a377e513d24ad3f62563d196b3fb6dc723e07b465c01d08c3c5dc31a3f98324471cd0f8019970ce6516c303c12afd6