Analysis
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max time kernel
93s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
08-04-2024 01:23
Static task
static1
Behavioral task
behavioral1
Sample
4379e1290aa5d36cc98722935afab5764ba64d61e9f0615b5395c2a22c75d80a.exe
Resource
win7-20240221-en
General
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Target
4379e1290aa5d36cc98722935afab5764ba64d61e9f0615b5395c2a22c75d80a.exe
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Size
214KB
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MD5
44ec00c94ceb935df7244cb692fec9b8
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SHA1
aad96da95feeadd4cbe7f504a055fa1896c7414c
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SHA256
4379e1290aa5d36cc98722935afab5764ba64d61e9f0615b5395c2a22c75d80a
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SHA512
0adc31bc898bcf2ff3057b9cfb67a65bfc127c3849ad64133c273a45bde4901b4667790e5a59b959a711f0ddf5aa71a89ebc6285f41e0f5b921d59f07be52497
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SSDEEP
6144:pnkd9Rk0WB3H38DwMXHQg/Z9ScXJ+xovgnkBBG:uHiLcDwMXw8ZscXJ+xoonkBB
Malware Config
Extracted
vidar
https://steamcommunity.com/profiles/76561199662282318
https://t.me/t8jmhl
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36 OPR/108.0.0.0
Signatures
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Detect Vidar Stealer 3 IoCs
Processes:
resource yara_rule behavioral2/memory/4964-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4964-7-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4964-10-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Detects Windows executables referencing non-Windows User-Agents 3 IoCs
Processes:
resource yara_rule behavioral2/memory/4964-4-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4964-7-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4964-10-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 3 IoCs
Processes:
resource yara_rule behavioral2/memory/4964-4-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/4964-7-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/4964-10-0x0000000000400000-0x0000000000648000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Suspicious use of SetThreadContext 1 IoCs
Processes:
4379e1290aa5d36cc98722935afab5764ba64d61e9f0615b5395c2a22c75d80a.exedescription pid Process procid_target PID 2480 set thread context of 4964 2480 4379e1290aa5d36cc98722935afab5764ba64d61e9f0615b5395c2a22c75d80a.exe 87 -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 2536 4964 WerFault.exe 87 -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
4379e1290aa5d36cc98722935afab5764ba64d61e9f0615b5395c2a22c75d80a.exedescription pid Process procid_target PID 2480 wrote to memory of 4964 2480 4379e1290aa5d36cc98722935afab5764ba64d61e9f0615b5395c2a22c75d80a.exe 87 PID 2480 wrote to memory of 4964 2480 4379e1290aa5d36cc98722935afab5764ba64d61e9f0615b5395c2a22c75d80a.exe 87 PID 2480 wrote to memory of 4964 2480 4379e1290aa5d36cc98722935afab5764ba64d61e9f0615b5395c2a22c75d80a.exe 87 PID 2480 wrote to memory of 4964 2480 4379e1290aa5d36cc98722935afab5764ba64d61e9f0615b5395c2a22c75d80a.exe 87 PID 2480 wrote to memory of 4964 2480 4379e1290aa5d36cc98722935afab5764ba64d61e9f0615b5395c2a22c75d80a.exe 87 PID 2480 wrote to memory of 4964 2480 4379e1290aa5d36cc98722935afab5764ba64d61e9f0615b5395c2a22c75d80a.exe 87 PID 2480 wrote to memory of 4964 2480 4379e1290aa5d36cc98722935afab5764ba64d61e9f0615b5395c2a22c75d80a.exe 87 PID 2480 wrote to memory of 4964 2480 4379e1290aa5d36cc98722935afab5764ba64d61e9f0615b5395c2a22c75d80a.exe 87 PID 2480 wrote to memory of 4964 2480 4379e1290aa5d36cc98722935afab5764ba64d61e9f0615b5395c2a22c75d80a.exe 87 PID 2480 wrote to memory of 4964 2480 4379e1290aa5d36cc98722935afab5764ba64d61e9f0615b5395c2a22c75d80a.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\4379e1290aa5d36cc98722935afab5764ba64d61e9f0615b5395c2a22c75d80a.exe"C:\Users\Admin\AppData\Local\Temp\4379e1290aa5d36cc98722935afab5764ba64d61e9f0615b5395c2a22c75d80a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2480 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:4964
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 20683⤵
- Program crash
PID:2536
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4964 -ip 49641⤵PID:3968