Analysis
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max time kernel
75s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
25-05-2022 01:15
Static task
static1
Behavioral task
behavioral1
Sample
550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe
Resource
win10v2004-20220414-en
General
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Target
550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe
-
Size
905KB
-
MD5
060cbc77c20d140b7ad9f90fd58d45c3
-
SHA1
f39d0f1ecb50884c69e81b2fd8f66c4b1d5c5cf4
-
SHA256
550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff
-
SHA512
525b3beb849c77b132eb77ea1424605b48d5406a5f93a7f10a13b7837e8c7f363ecca7a7b71169114386679a4dc98077a372461dbf43e062c56e116b4f350fe1
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\AEF946DCB4\Log.txt
masslogger
Signatures
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CoreEntity .NET Packer 1 IoCs
A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.
Processes:
resource yara_rule behavioral1/memory/988-56-0x00000000005E0000-0x00000000005E8000-memory.dmp coreentity -
MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
Processes:
yara_rule masslogger_log_file -
ReZer0 packer 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
Processes:
resource yara_rule behavioral1/memory/988-57-0x0000000007480000-0x0000000007530000-memory.dmp rezer0 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Control Panel\International\Geo\Nation 550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.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:
550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exedescription pid process target process PID 988 set thread context of 1536 988 550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe 550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exepid process 1536 550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exedescription pid process Token: SeDebugPrivilege 1536 550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exedescription pid process target process PID 988 wrote to memory of 1536 988 550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe 550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe PID 988 wrote to memory of 1536 988 550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe 550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe PID 988 wrote to memory of 1536 988 550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe 550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe PID 988 wrote to memory of 1536 988 550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe 550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe PID 988 wrote to memory of 1536 988 550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe 550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe PID 988 wrote to memory of 1536 988 550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe 550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe PID 988 wrote to memory of 1536 988 550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe 550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe PID 988 wrote to memory of 1536 988 550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe 550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe PID 988 wrote to memory of 1536 988 550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe 550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe"C:\Users\Admin\AppData\Local\Temp\550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\550615c0ae5984a323c65110142b7730c87cd0b4bdc6ff13052983ba8a6ec7ff.exe"{path}"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/988-54-0x0000000000020000-0x0000000000108000-memory.dmpFilesize
928KB
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memory/988-55-0x00000000759F1000-0x00000000759F3000-memory.dmpFilesize
8KB
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memory/988-56-0x00000000005E0000-0x00000000005E8000-memory.dmpFilesize
32KB
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memory/988-57-0x0000000007480000-0x0000000007530000-memory.dmpFilesize
704KB
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memory/1536-58-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/1536-63-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/1536-68-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/1536-66-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/1536-64-0x00000000004A33CE-mapping.dmp
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memory/1536-70-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/1536-74-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/1536-84-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/1536-90-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
-
memory/1536-92-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/1536-96-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/1536-104-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/1536-106-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/1536-102-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
-
memory/1536-100-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/1536-112-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/1536-110-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/1536-120-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/1536-118-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/1536-116-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/1536-114-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
-
memory/1536-108-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
-
memory/1536-98-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
-
memory/1536-94-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
-
memory/1536-88-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
-
memory/1536-86-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
-
memory/1536-82-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
-
memory/1536-80-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
-
memory/1536-78-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
-
memory/1536-76-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
-
memory/1536-72-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
-
memory/1536-62-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/1536-61-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/1536-59-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/1536-578-0x0000000004BA5000-0x0000000004BB6000-memory.dmpFilesize
68KB