Analysis
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max time kernel
135s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
09-06-2023 07:38
Static task
static1
Behavioral task
behavioral1
Sample
IgXNkefSCwhtVCR.exe
Resource
win7-20230220-en
General
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Target
IgXNkefSCwhtVCR.exe
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Size
627KB
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MD5
c7b595da0280818998af6a5eaabeb6ed
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SHA1
97e0e2c7be4b44d058c4e40e75ff59582917a8e7
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SHA256
63b2add18bbd481c278a85e74c496918a12ea951301951134956e0b4449ebf39
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SHA512
01913066f42efc8dbe369239b260802a3280da9045ffd59a298acb9cb6bd9e877d9072c12cef8bee36b53ed1ed1715b4268c0cfa325aacdf5d351fb14c6eb3d2
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SSDEEP
12288:8Gmp0lWxMzIHREJVk/bq4izoW/m7/ePmr9eRf5ORReTed59dTqGiyxA+kqIt:dmilWxMiQW/O4ue7/ePNRROiyd+mO+k
Malware Config
Extracted
asyncrat
0.5.7B
Default
95.214.27.44:6606
95.214.27.44:7707
95.214.27.44:8808
AsyncMutex_6SI8OkPnk
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delay
3
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install
false
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install_folder
%AppData%
Signatures
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Async RAT payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1284-140-0x0000000000400000-0x0000000000412000-memory.dmp asyncrat -
Suspicious use of SetThreadContext 1 IoCs
Processes:
IgXNkefSCwhtVCR.exedescription pid process target process PID 2548 set thread context of 1284 2548 IgXNkefSCwhtVCR.exe IgXNkefSCwhtVCR.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
IgXNkefSCwhtVCR.exedescription pid process Token: SeDebugPrivilege 1284 IgXNkefSCwhtVCR.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
IgXNkefSCwhtVCR.exedescription pid process target process PID 2548 wrote to memory of 1284 2548 IgXNkefSCwhtVCR.exe IgXNkefSCwhtVCR.exe PID 2548 wrote to memory of 1284 2548 IgXNkefSCwhtVCR.exe IgXNkefSCwhtVCR.exe PID 2548 wrote to memory of 1284 2548 IgXNkefSCwhtVCR.exe IgXNkefSCwhtVCR.exe PID 2548 wrote to memory of 1284 2548 IgXNkefSCwhtVCR.exe IgXNkefSCwhtVCR.exe PID 2548 wrote to memory of 1284 2548 IgXNkefSCwhtVCR.exe IgXNkefSCwhtVCR.exe PID 2548 wrote to memory of 1284 2548 IgXNkefSCwhtVCR.exe IgXNkefSCwhtVCR.exe PID 2548 wrote to memory of 1284 2548 IgXNkefSCwhtVCR.exe IgXNkefSCwhtVCR.exe PID 2548 wrote to memory of 1284 2548 IgXNkefSCwhtVCR.exe IgXNkefSCwhtVCR.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\IgXNkefSCwhtVCR.exe"C:\Users\Admin\AppData\Local\Temp\IgXNkefSCwhtVCR.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\IgXNkefSCwhtVCR.exe"C:\Users\Admin\AppData\Local\Temp\IgXNkefSCwhtVCR.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\IgXNkefSCwhtVCR.exe.logFilesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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memory/1284-140-0x0000000000400000-0x0000000000412000-memory.dmpFilesize
72KB
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memory/1284-143-0x00000000051D0000-0x00000000051E0000-memory.dmpFilesize
64KB
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memory/1284-144-0x00000000051D0000-0x00000000051E0000-memory.dmpFilesize
64KB
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memory/1284-145-0x0000000005660000-0x00000000056C6000-memory.dmpFilesize
408KB
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memory/2548-133-0x0000000000550000-0x00000000005F4000-memory.dmpFilesize
656KB
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memory/2548-134-0x00000000054C0000-0x0000000005A64000-memory.dmpFilesize
5.6MB
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memory/2548-135-0x0000000004FF0000-0x0000000005082000-memory.dmpFilesize
584KB
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memory/2548-136-0x0000000004FD0000-0x0000000004FDA000-memory.dmpFilesize
40KB
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memory/2548-137-0x0000000004F90000-0x0000000004FA0000-memory.dmpFilesize
64KB
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memory/2548-138-0x0000000004F90000-0x0000000004FA0000-memory.dmpFilesize
64KB
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memory/2548-139-0x0000000008220000-0x00000000082BC000-memory.dmpFilesize
624KB