Analysis
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max time kernel
57s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
24-05-2022 16:10
Static task
static1
Behavioral task
behavioral1
Sample
af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe
Resource
win10v2004-20220414-en
General
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Target
af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe
-
Size
906KB
-
MD5
e48eb454f48bc4aeb237092a17f025c6
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SHA1
e93ee3308fb56b8c52c298b702fa9198e4e22fc9
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SHA256
af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410
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SHA512
7a1340de52912bab746d610405543f66eb9a478c5f6b5503df3b4104f5ced8f3104ead75365591855c10eb0949e65d7d5749ecc562048cb5b8343ffb7ce3f982
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\3B8E3C2477\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/1676-56-0x0000000000540000-0x0000000000548000-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 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Control Panel\International\Geo\Nation af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.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:
af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exedescription pid process target process PID 1676 set thread context of 624 1676 af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exepid process 624 af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exedescription pid process Token: SeDebugPrivilege 624 af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exedescription pid process target process PID 1676 wrote to memory of 624 1676 af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe PID 1676 wrote to memory of 624 1676 af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe PID 1676 wrote to memory of 624 1676 af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe PID 1676 wrote to memory of 624 1676 af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe PID 1676 wrote to memory of 624 1676 af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe PID 1676 wrote to memory of 624 1676 af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe PID 1676 wrote to memory of 624 1676 af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe PID 1676 wrote to memory of 624 1676 af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe PID 1676 wrote to memory of 624 1676 af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe"C:\Users\Admin\AppData\Local\Temp\af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\af7ebebf226dc4b89e0e45888a5ffba6e736fdf81e0517d62e5dfb94ba460410.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/624-108-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-64-0x00000000004A33CE-mapping.dmp
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memory/624-578-0x0000000000630000-0x0000000000670000-memory.dmpFilesize
256KB
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memory/624-59-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-62-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-68-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-66-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-72-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-78-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-84-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-96-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-104-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-112-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-102-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-120-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-116-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-114-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-110-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-58-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-61-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-118-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-100-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-98-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-94-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-92-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-90-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-88-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
-
memory/624-86-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-82-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-80-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-76-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
-
memory/624-74-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-70-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-106-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/624-63-0x0000000000400000-0x00000000004A8000-memory.dmpFilesize
672KB
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memory/1676-55-0x0000000075761000-0x0000000075763000-memory.dmpFilesize
8KB
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memory/1676-57-0x0000000004A30000-0x0000000004AE0000-memory.dmpFilesize
704KB
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memory/1676-54-0x0000000000F70000-0x0000000001058000-memory.dmpFilesize
928KB
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memory/1676-56-0x0000000000540000-0x0000000000548000-memory.dmpFilesize
32KB