Analysis
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max time kernel
153s -
max time network
172s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 12:22
Static task
static1
Behavioral task
behavioral1
Sample
OUR_NEW_.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
OUR_NEW_.exe
Resource
win10v2004-20220414-en
General
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Target
OUR_NEW_.exe
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Size
766KB
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MD5
2bd29021de1827a18eb2ba749724809a
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SHA1
939c8d922f9fe7f04b1fedeb4032609c83e23fcf
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SHA256
110e9666025176f94b715b77f8677d5eb9049c6a79d61716be8e1646b70b36bb
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SHA512
0ace069a3bafdfb14a7589c1f50dd0fd43ee05da4e5553d5706eef727d77dfaca5995a532a8752e76e45948f343559cf63ae09aa2f432d6e9ee880fa26252dcf
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\8236ADF044\Log.txt
masslogger
Signatures
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger Main Payload 32 IoCs
Processes:
resource yara_rule behavioral2/memory/4692-136-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-138-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-140-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-142-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-144-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-146-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-148-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-150-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-152-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-156-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-154-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-158-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-160-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-162-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-164-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-166-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-168-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-170-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-172-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-174-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-178-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-176-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-180-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-182-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-184-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-186-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-190-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-192-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-194-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-196-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-188-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger behavioral2/memory/4692-198-0x0000000000400000-0x00000000004B0000-memory.dmp family_masslogger -
MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
Processes:
yara_rule masslogger_log_file -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
OUR_NEW_.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation OUR_NEW_.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 25 api.ipify.org 27 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
OUR_NEW_.exedescription pid process target process PID 864 set thread context of 4692 864 OUR_NEW_.exe OUR_NEW_.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
OUR_NEW_.exepid process 4692 OUR_NEW_.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
OUR_NEW_.exedescription pid process Token: SeDebugPrivilege 4692 OUR_NEW_.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
OUR_NEW_.exedescription pid process target process PID 864 wrote to memory of 4692 864 OUR_NEW_.exe OUR_NEW_.exe PID 864 wrote to memory of 4692 864 OUR_NEW_.exe OUR_NEW_.exe PID 864 wrote to memory of 4692 864 OUR_NEW_.exe OUR_NEW_.exe PID 864 wrote to memory of 4692 864 OUR_NEW_.exe OUR_NEW_.exe PID 864 wrote to memory of 4692 864 OUR_NEW_.exe OUR_NEW_.exe PID 864 wrote to memory of 4692 864 OUR_NEW_.exe OUR_NEW_.exe PID 864 wrote to memory of 4692 864 OUR_NEW_.exe OUR_NEW_.exe PID 864 wrote to memory of 4692 864 OUR_NEW_.exe OUR_NEW_.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\OUR_NEW_.exe"C:\Users\Admin\AppData\Local\Temp\OUR_NEW_.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\OUR_NEW_.exe"C:\Users\Admin\AppData\Local\Temp\OUR_NEW_.exe"2⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/864-131-0x0000000000CC0000-0x0000000000D86000-memory.dmpFilesize
792KB
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memory/864-132-0x0000000005D30000-0x00000000062D4000-memory.dmpFilesize
5.6MB
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memory/864-133-0x0000000005780000-0x0000000005812000-memory.dmpFilesize
584KB
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memory/864-134-0x0000000005820000-0x00000000058BC000-memory.dmpFilesize
624KB
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memory/4692-135-0x0000000000000000-mapping.dmp
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memory/4692-136-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-138-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-140-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-142-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-144-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-146-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-148-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-150-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-152-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-156-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-154-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-158-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-160-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-162-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-164-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-166-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-168-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-170-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-172-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-174-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-178-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-176-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-180-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-182-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-184-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-186-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-190-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-192-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-194-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-196-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-188-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-198-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/4692-645-0x0000000005880000-0x00000000058E6000-memory.dmpFilesize
408KB
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memory/4692-646-0x0000000006FB0000-0x0000000006FBA000-memory.dmpFilesize
40KB