Analysis
- max time kernel
150s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
15/10/2022, 15:56
General
- Target 2799e835de7c35f0578c7ec497a20cf1.exe
- Size 214KB
- Sample221015-tddlnafge8
- SHA256 7f1162b133373aeaa422b0356992ffecbc1c9c4fa07afdc389fb8d62e040e152
Malware Config
Extracted
-
redline
-
535
-
45.15.156.26:2794
-
auth_value
e7680eed1ef96d61de0f4c54c7c5a594
Signatures
- Detects Smokeloader packer 1 IoCs
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 6 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Uses the VBS compiler for execution 1 TTPs
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Suspicious use of SetThreadContext 1 IoCs
- Program crash 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 19 IoCs
- Suspicious use of AdjustPrivilegeToken 18 IoCs
- Suspicious use of WriteProcessMemory 59 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2799e835de7c35f0578c7ec497a20cf1.exe"C:\Users\Admin\AppData\Local\Temp\2799e835de7c35f0578c7ec497a20cf1.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\CFB8.exeC:\Users\Admin\AppData\Local\Temp\CFB8.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\D20B.exeC:\Users\Admin\AppData\Local\Temp\D20B.exe1⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Local\Temp\DF4B.exeC:\Users\Admin\AppData\Local\Temp\DF4B.exe1⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Local\Temp\E9BC.exeC:\Users\Admin\AppData\Local\Temp\E9BC.exe1⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Local\Temp\F0D1.exeC:\Users\Admin\AppData\Local\Temp\F0D1.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4124 -s 12682⤵
- Program crash
-
-
C:\Users\Admin\AppData\Local\Temp\65E.exeC:\Users\Admin\AppData\Local\Temp\65E.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4124 -ip 41241⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
65E.exe
65E.exe
CFB8.exe
CFB8.exe
D20B.exe
D20B.exe
DF4B.exe
DF4B.exe
E9BC.exe
E9BC.exe
F0D1.exe
F0D1.exe
memory/620-204-0x00000000007D0000-0x00000000007D6000-memory.dmp
memory/620-183-0x00000000007C0000-0x00000000007CC000-memory.dmp
memory/620-182-0x00000000007D0000-0x00000000007D6000-memory.dmp
memory/732-200-0x0000000000F90000-0x0000000000F9B000-memory.dmp
memory/732-209-0x0000000000FA0000-0x0000000000FA8000-memory.dmp
memory/732-199-0x0000000000FA0000-0x0000000000FA8000-memory.dmp
memory/748-133-0x0000000000690000-0x0000000000699000-memory.dmp
memory/748-134-0x0000000000400000-0x000000000043A000-memory.dmp
memory/748-135-0x0000000000400000-0x000000000043A000-memory.dmp
memory/748-132-0x000000000076E000-0x000000000077E000-memory.dmp
memory/1096-205-0x0000000000B20000-0x0000000000B42000-memory.dmp
memory/1096-187-0x0000000000B20000-0x0000000000B42000-memory.dmp
memory/1096-188-0x0000000000AF0000-0x0000000000B17000-memory.dmp
memory/2548-194-0x0000000000F00000-0x0000000000F0B000-memory.dmp
memory/2548-193-0x0000000000F10000-0x0000000000F16000-memory.dmp
memory/2548-207-0x0000000000F10000-0x0000000000F16000-memory.dmp
memory/2804-169-0x0000000001100000-0x000000000110B000-memory.dmp
memory/2804-168-0x0000000001110000-0x0000000001117000-memory.dmp
memory/2804-201-0x0000000001110000-0x0000000001117000-memory.dmp
memory/3944-164-0x00000000009B0000-0x0000000000A08000-memory.dmp
memory/4064-191-0x0000000000A50000-0x0000000000A59000-memory.dmp
memory/4064-190-0x0000000000A60000-0x0000000000A65000-memory.dmp
memory/4064-206-0x0000000000A60000-0x0000000000A65000-memory.dmp
memory/4124-151-0x0000000004C70000-0x0000000005214000-memory.dmp
memory/4124-159-0x0000000005CA0000-0x0000000005D32000-memory.dmp
memory/4124-152-0x0000000005220000-0x0000000005838000-memory.dmp
memory/4124-154-0x00000000006EF000-0x0000000000725000-memory.dmp
memory/4124-153-0x0000000005860000-0x0000000005872000-memory.dmp
memory/4124-175-0x00000000068D0000-0x0000000006DFC000-memory.dmp
memory/4124-174-0x00000000066E0000-0x00000000068A2000-memory.dmp
memory/4124-185-0x00000000006EF000-0x0000000000725000-memory.dmp
memory/4124-186-0x0000000000400000-0x0000000000475000-memory.dmp
memory/4124-173-0x0000000006690000-0x00000000066E0000-memory.dmp
memory/4124-172-0x00000000065E0000-0x00000000065FE000-memory.dmp
memory/4124-170-0x0000000006520000-0x0000000006596000-memory.dmp
memory/4124-155-0x00000000005E0000-0x0000000000639000-memory.dmp
memory/4124-156-0x0000000000400000-0x0000000000475000-memory.dmp
memory/4124-157-0x0000000005880000-0x000000000598A000-memory.dmp
memory/4124-160-0x0000000005D40000-0x0000000005DA6000-memory.dmp
memory/4124-158-0x0000000005990000-0x00000000059CC000-memory.dmp
memory/4620-196-0x00000000009D0000-0x00000000009D7000-memory.dmp
memory/4620-197-0x00000000009C0000-0x00000000009CD000-memory.dmp
memory/4620-208-0x00000000009D0000-0x00000000009D7000-memory.dmp
memory/4972-176-0x00000000008F0000-0x00000000008F9000-memory.dmp
memory/4972-202-0x00000000008F0000-0x00000000008F9000-memory.dmp
memory/4972-177-0x00000000008E0000-0x00000000008EF000-memory.dmp
memory/5036-167-0x0000000000400000-0x0000000000436000-memory.dmp
memory/5088-203-0x0000000000750000-0x0000000000755000-memory.dmp
memory/5088-180-0x0000000000740000-0x0000000000749000-memory.dmp
memory/5088-179-0x0000000000750000-0x0000000000755000-memory.dmp