Analysis
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max time kernel
44s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
30-09-2022 21:07
Static task
static1
Behavioral task
behavioral1
Sample
613bdc17f7d492cc6f14bbd7651d17e8.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
613bdc17f7d492cc6f14bbd7651d17e8.exe
Resource
win10v2004-20220812-en
General
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Target
613bdc17f7d492cc6f14bbd7651d17e8.exe
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Size
43KB
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MD5
613bdc17f7d492cc6f14bbd7651d17e8
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SHA1
10ab0fba1d4f303135357dd6494a259413136586
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SHA256
3c6956b942e54a47a01471139a60081ed790c96a1af0e5c2e194eea5904ab036
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SHA512
c8e7e7b743b8eec08e3c9bc0825087a04c5cc1a7876561c8b831e62b43bfce52747544af611addf26876c7e8093f407943fe615b4d711d5e170833a5678e117e
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SSDEEP
768:Os5snhwotZFLyGH5TRTq2MrxzQkb7BOd0DPILc2AD2VE69twf+:XCnhwGO28Xb7BU0DPvNf+
Malware Config
Extracted
redline
HEXO-SOFTWARE
amrican-sport-live-stream.cc:4581
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auth_value
fea440ffae02b6f56d7b00fe8105ccb8
Signatures
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 7 IoCs
Processes:
resource yara_rule behavioral1/memory/1516-76-0x0000000000400000-0x0000000000460000-memory.dmp family_redline behavioral1/memory/1292-78-0x0000000000400000-0x0000000000460000-memory.dmp family_redline behavioral1/memory/1516-80-0x0000000000400000-0x0000000000460000-memory.dmp family_redline behavioral1/memory/1292-83-0x000000000045AC7E-mapping.dmp family_redline behavioral1/memory/1516-82-0x000000000045AC7E-mapping.dmp family_redline behavioral1/memory/1516-86-0x0000000000400000-0x0000000000460000-memory.dmp family_redline behavioral1/memory/1292-90-0x0000000000400000-0x0000000000460000-memory.dmp family_redline -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
Processes:
CheckSystemT.exeCheckMemoryB.exepid process 900 CheckSystemT.exe 1688 CheckMemoryB.exe -
Loads dropped DLL 2 IoCs
Processes:
613bdc17f7d492cc6f14bbd7651d17e8.exepid process 1048 613bdc17f7d492cc6f14bbd7651d17e8.exe 1048 613bdc17f7d492cc6f14bbd7651d17e8.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 2 IoCs
Processes:
CheckSystemT.exeCheckMemoryB.exedescription pid process target process PID 900 set thread context of 1516 900 CheckSystemT.exe RegAsm.exe PID 1688 set thread context of 1292 1688 CheckMemoryB.exe RegAsm.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
RegAsm.exeRegAsm.exepid process 1292 RegAsm.exe 1516 RegAsm.exe 1516 RegAsm.exe 1292 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
613bdc17f7d492cc6f14bbd7651d17e8.exeCheckSystemT.exeCheckMemoryB.exeRegAsm.exeRegAsm.exedescription pid process Token: SeDebugPrivilege 1048 613bdc17f7d492cc6f14bbd7651d17e8.exe Token: SeDebugPrivilege 900 CheckSystemT.exe Token: SeDebugPrivilege 1688 CheckMemoryB.exe Token: SeDebugPrivilege 1292 RegAsm.exe Token: SeDebugPrivilege 1516 RegAsm.exe -
Suspicious use of WriteProcessMemory 32 IoCs
Processes:
613bdc17f7d492cc6f14bbd7651d17e8.exeCheckSystemT.exeCheckMemoryB.exedescription pid process target process PID 1048 wrote to memory of 900 1048 613bdc17f7d492cc6f14bbd7651d17e8.exe CheckSystemT.exe PID 1048 wrote to memory of 900 1048 613bdc17f7d492cc6f14bbd7651d17e8.exe CheckSystemT.exe PID 1048 wrote to memory of 900 1048 613bdc17f7d492cc6f14bbd7651d17e8.exe CheckSystemT.exe PID 1048 wrote to memory of 900 1048 613bdc17f7d492cc6f14bbd7651d17e8.exe CheckSystemT.exe PID 1048 wrote to memory of 1688 1048 613bdc17f7d492cc6f14bbd7651d17e8.exe CheckMemoryB.exe PID 1048 wrote to memory of 1688 1048 613bdc17f7d492cc6f14bbd7651d17e8.exe CheckMemoryB.exe PID 1048 wrote to memory of 1688 1048 613bdc17f7d492cc6f14bbd7651d17e8.exe CheckMemoryB.exe PID 1048 wrote to memory of 1688 1048 613bdc17f7d492cc6f14bbd7651d17e8.exe CheckMemoryB.exe PID 900 wrote to memory of 1516 900 CheckSystemT.exe RegAsm.exe PID 900 wrote to memory of 1516 900 CheckSystemT.exe RegAsm.exe PID 900 wrote to memory of 1516 900 CheckSystemT.exe RegAsm.exe PID 1688 wrote to memory of 1292 1688 CheckMemoryB.exe RegAsm.exe PID 1688 wrote to memory of 1292 1688 CheckMemoryB.exe RegAsm.exe PID 1688 wrote to memory of 1292 1688 CheckMemoryB.exe RegAsm.exe PID 900 wrote to memory of 1516 900 CheckSystemT.exe RegAsm.exe PID 900 wrote to memory of 1516 900 CheckSystemT.exe RegAsm.exe PID 900 wrote to memory of 1516 900 CheckSystemT.exe RegAsm.exe PID 900 wrote to memory of 1516 900 CheckSystemT.exe RegAsm.exe PID 1688 wrote to memory of 1292 1688 CheckMemoryB.exe RegAsm.exe PID 1688 wrote to memory of 1292 1688 CheckMemoryB.exe RegAsm.exe PID 1688 wrote to memory of 1292 1688 CheckMemoryB.exe RegAsm.exe PID 1688 wrote to memory of 1292 1688 CheckMemoryB.exe RegAsm.exe PID 1688 wrote to memory of 1292 1688 CheckMemoryB.exe RegAsm.exe PID 900 wrote to memory of 1516 900 CheckSystemT.exe RegAsm.exe PID 900 wrote to memory of 1516 900 CheckSystemT.exe RegAsm.exe PID 1688 wrote to memory of 1292 1688 CheckMemoryB.exe RegAsm.exe PID 1688 wrote to memory of 1292 1688 CheckMemoryB.exe RegAsm.exe PID 900 wrote to memory of 1516 900 CheckSystemT.exe RegAsm.exe PID 1688 wrote to memory of 1292 1688 CheckMemoryB.exe RegAsm.exe PID 900 wrote to memory of 1516 900 CheckSystemT.exe RegAsm.exe PID 900 wrote to memory of 1516 900 CheckSystemT.exe RegAsm.exe PID 1688 wrote to memory of 1292 1688 CheckMemoryB.exe RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\613bdc17f7d492cc6f14bbd7651d17e8.exe"C:\Users\Admin\AppData\Local\Temp\613bdc17f7d492cc6f14bbd7651d17e8.exe"1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\CheckSystemT.exe"C:\Users\Admin\AppData\Roaming\CheckSystemT.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\CheckMemoryB.exe"C:\Users\Admin\AppData\Roaming\CheckMemoryB.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\CheckMemoryB.exeFilesize
1.8MB
MD543f735e99626467bcec0895ddc51ee14
SHA1cfbd389da2a60e4e39b8ce3bb56ca57506985465
SHA25679208f5bcd29a83d75bb073d3f48a483cd51dbd53e9cee5472ab4947a1ede05b
SHA512467f650679e5170b2387fdf16087b3d114d2ec980b194d2e3ab233ce53497a57356fff195a8d222c946070b6e5d929b88fa33f776a5158343cf1fa259c73ddf4
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C:\Users\Admin\AppData\Roaming\CheckMemoryB.exeFilesize
1.8MB
MD543f735e99626467bcec0895ddc51ee14
SHA1cfbd389da2a60e4e39b8ce3bb56ca57506985465
SHA25679208f5bcd29a83d75bb073d3f48a483cd51dbd53e9cee5472ab4947a1ede05b
SHA512467f650679e5170b2387fdf16087b3d114d2ec980b194d2e3ab233ce53497a57356fff195a8d222c946070b6e5d929b88fa33f776a5158343cf1fa259c73ddf4
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C:\Users\Admin\AppData\Roaming\CheckSystemT.exeFilesize
1.8MB
MD543f735e99626467bcec0895ddc51ee14
SHA1cfbd389da2a60e4e39b8ce3bb56ca57506985465
SHA25679208f5bcd29a83d75bb073d3f48a483cd51dbd53e9cee5472ab4947a1ede05b
SHA512467f650679e5170b2387fdf16087b3d114d2ec980b194d2e3ab233ce53497a57356fff195a8d222c946070b6e5d929b88fa33f776a5158343cf1fa259c73ddf4
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C:\Users\Admin\AppData\Roaming\CheckSystemT.exeFilesize
1.8MB
MD543f735e99626467bcec0895ddc51ee14
SHA1cfbd389da2a60e4e39b8ce3bb56ca57506985465
SHA25679208f5bcd29a83d75bb073d3f48a483cd51dbd53e9cee5472ab4947a1ede05b
SHA512467f650679e5170b2387fdf16087b3d114d2ec980b194d2e3ab233ce53497a57356fff195a8d222c946070b6e5d929b88fa33f776a5158343cf1fa259c73ddf4
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\Users\Admin\AppData\Roaming\CheckMemoryB.exeFilesize
1.8MB
MD543f735e99626467bcec0895ddc51ee14
SHA1cfbd389da2a60e4e39b8ce3bb56ca57506985465
SHA25679208f5bcd29a83d75bb073d3f48a483cd51dbd53e9cee5472ab4947a1ede05b
SHA512467f650679e5170b2387fdf16087b3d114d2ec980b194d2e3ab233ce53497a57356fff195a8d222c946070b6e5d929b88fa33f776a5158343cf1fa259c73ddf4
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\Users\Admin\AppData\Roaming\CheckSystemT.exeFilesize
1.8MB
MD543f735e99626467bcec0895ddc51ee14
SHA1cfbd389da2a60e4e39b8ce3bb56ca57506985465
SHA25679208f5bcd29a83d75bb073d3f48a483cd51dbd53e9cee5472ab4947a1ede05b
SHA512467f650679e5170b2387fdf16087b3d114d2ec980b194d2e3ab233ce53497a57356fff195a8d222c946070b6e5d929b88fa33f776a5158343cf1fa259c73ddf4
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memory/900-57-0x0000000000000000-mapping.dmp
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memory/900-60-0x0000000000A00000-0x0000000000BD0000-memory.dmpFilesize
1.8MB
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memory/900-64-0x0000000002290000-0x0000000002356000-memory.dmpFilesize
792KB
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memory/900-69-0x00000000044C0000-0x0000000004552000-memory.dmpFilesize
584KB
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memory/1048-55-0x00000000759F1000-0x00000000759F3000-memory.dmpFilesize
8KB
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memory/1048-54-0x0000000000A70000-0x0000000000A80000-memory.dmpFilesize
64KB
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memory/1292-78-0x0000000000400000-0x0000000000460000-memory.dmpFilesize
384KB
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memory/1292-90-0x0000000000400000-0x0000000000460000-memory.dmpFilesize
384KB
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memory/1292-83-0x000000000045AC7E-mapping.dmp
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memory/1516-80-0x0000000000400000-0x0000000000460000-memory.dmpFilesize
384KB
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memory/1516-76-0x0000000000400000-0x0000000000460000-memory.dmpFilesize
384KB
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memory/1516-72-0x0000000000400000-0x0000000000460000-memory.dmpFilesize
384KB
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memory/1516-70-0x0000000000400000-0x0000000000460000-memory.dmpFilesize
384KB
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memory/1516-82-0x000000000045AC7E-mapping.dmp
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memory/1516-86-0x0000000000400000-0x0000000000460000-memory.dmpFilesize
384KB
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memory/1516-94-0x0000000000320000-0x0000000000326000-memory.dmpFilesize
24KB
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memory/1688-66-0x00000000011F0000-0x00000000013C0000-memory.dmpFilesize
1.8MB
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memory/1688-62-0x0000000000000000-mapping.dmp