Analysis
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max time kernel
101s -
max time network
97s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
24-05-2022 15:19
Static task
static1
Behavioral task
behavioral1
Sample
bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe
Resource
win10v2004-20220414-en
General
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Target
bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe
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Size
822KB
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MD5
2d6e2e5246a199facabc1e85710ffadf
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SHA1
6646268d847037b42badf41a631ea60c523731c7
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SHA256
bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767
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SHA512
fa9f81e77296884e39621a833727eeb413bcfb7972564ef7bdf834bfb3f0cb03c125b086c5c6e4db2e2dda66ce2f26527116bd4a45c9ada5377ebcec51b2dc3a
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\AEF946DCB4\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 3 IoCs
Processes:
resource yara_rule behavioral1/memory/2008-65-0x00000000004A2D9E-mapping.dmp family_masslogger behavioral1/memory/2008-64-0x0000000000400000-0x00000000004A8000-memory.dmp family_masslogger behavioral1/memory/2008-62-0x0000000000400000-0x00000000004A8000-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:
bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exedescription pid process target process PID 892 set thread context of 2008 892 bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exepid process 2008 bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exepid process 2008 bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe 2008 bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exedescription pid process Token: SeDebugPrivilege 2008 bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exepid process 2008 bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exedescription pid process target process PID 892 wrote to memory of 2032 892 bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe schtasks.exe PID 892 wrote to memory of 2032 892 bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe schtasks.exe PID 892 wrote to memory of 2032 892 bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe schtasks.exe PID 892 wrote to memory of 2032 892 bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe schtasks.exe PID 892 wrote to memory of 2008 892 bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe PID 892 wrote to memory of 2008 892 bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe PID 892 wrote to memory of 2008 892 bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe PID 892 wrote to memory of 2008 892 bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe PID 892 wrote to memory of 2008 892 bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe PID 892 wrote to memory of 2008 892 bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe PID 892 wrote to memory of 2008 892 bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe PID 892 wrote to memory of 2008 892 bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe PID 892 wrote to memory of 2008 892 bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe"C:\Users\Admin\AppData\Local\Temp\bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ErhKIaN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9696.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe"{path}"2⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp9696.tmpFilesize
1KB
MD5f679a0a4c31dfcf2cc84f05a63c57593
SHA1332f853f80ce7e9f4025eac95412d9898d47d9dd
SHA25629e91647e5f7ad4cbcc52bf85961b6b0015270efb7c9373869fbe7dc30d6c199
SHA5129621399226e3d899e257253d9f97f03849970b6532cabe79bd3cb50647e1bc4f67a488d0926464acc0e41556104c93608809a1c5a953049630b10f591363ac9d
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memory/892-55-0x0000000000460000-0x0000000000476000-memory.dmpFilesize
88KB
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memory/892-56-0x0000000005040000-0x00000000050EE000-memory.dmpFilesize
696KB
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memory/892-54-0x0000000000C50000-0x0000000000D24000-memory.dmpFilesize
848KB
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memory/2008-69-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/2008-59-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/2008-63-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/2008-67-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/2008-65-0x00000000004A2D9E-mapping.dmp
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memory/2008-64-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/2008-62-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/2008-60-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/2008-70-0x0000000000540000-0x0000000000584000-memory.dmpFilesize
272KB
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memory/2008-71-0x00000000755C1000-0x00000000755C3000-memory.dmpFilesize
8KB
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memory/2008-72-0x0000000000B65000-0x0000000000B76000-memory.dmpFilesize
68KB
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memory/2032-57-0x0000000000000000-mapping.dmp