Analysis
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max time kernel
45s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29-08-2022 00:41
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
General
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Target
file.exe
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Size
508KB
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MD5
3907564e810a21f65284e0695cda199a
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SHA1
f606b9a56887244e6ee5888e1fde324e9bbe23cb
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SHA256
1579a9fa0f89cae6b7eb9d7af508959b32cd05b00091744ac1b0fff61ab91d79
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SHA512
9fb62510ddf7bdf41afc692d5264f39e9afc100ca325b084764a1eadb4b00660148965dedc711b53c916a28d7b24e327cf2fb884cad660de7785e91c85c3d4f2
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SSDEEP
12288:T6MFe3Y+yMT529YNZn+yR9VBNMTzwZU87m:T6Ie3YLMUONJBIzwZU8C
Malware Config
Extracted
redline
138.201.195.134:3202
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auth_value
af24ca30b63542f0e4d58adbf1dd4817
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 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1976-55-0x00000000004E0000-0x0000000000500000-memory.dmp family_redline -
Executes dropped EXE 1 IoCs
Processes:
tmp390B.tmp.exepid process 1276 tmp390B.tmp.exe -
Loads dropped DLL 3 IoCs
Processes:
WerFault.exepid process 1632 WerFault.exe 1632 WerFault.exe 1632 WerFault.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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1632 1276 WerFault.exe tmp390B.tmp.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
file.exepid process 1976 file.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
file.exedescription pid process Token: SeDebugPrivilege 1976 file.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
file.exetmp390B.tmp.exedescription pid process target process PID 1976 wrote to memory of 1276 1976 file.exe tmp390B.tmp.exe PID 1976 wrote to memory of 1276 1976 file.exe tmp390B.tmp.exe PID 1976 wrote to memory of 1276 1976 file.exe tmp390B.tmp.exe PID 1976 wrote to memory of 1276 1976 file.exe tmp390B.tmp.exe PID 1276 wrote to memory of 1632 1276 tmp390B.tmp.exe WerFault.exe PID 1276 wrote to memory of 1632 1276 tmp390B.tmp.exe WerFault.exe PID 1276 wrote to memory of 1632 1276 tmp390B.tmp.exe WerFault.exe PID 1276 wrote to memory of 1632 1276 tmp390B.tmp.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\tmp390B.tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp390B.tmp.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1276 -s 963⤵
- Loads dropped DLL
- Program crash
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp390B.tmp.exeFilesize
74KB
MD5cdd3d44d9e64a113618961f0a4e691b9
SHA1a762037bc50ddb7507d5ef1a20ce813ad990bb54
SHA256dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0
SHA51255146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8
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\Users\Admin\AppData\Local\Temp\tmp390B.tmp.exeFilesize
74KB
MD5cdd3d44d9e64a113618961f0a4e691b9
SHA1a762037bc50ddb7507d5ef1a20ce813ad990bb54
SHA256dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0
SHA51255146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8
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\Users\Admin\AppData\Local\Temp\tmp390B.tmp.exeFilesize
74KB
MD5cdd3d44d9e64a113618961f0a4e691b9
SHA1a762037bc50ddb7507d5ef1a20ce813ad990bb54
SHA256dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0
SHA51255146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8
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\Users\Admin\AppData\Local\Temp\tmp390B.tmp.exeFilesize
74KB
MD5cdd3d44d9e64a113618961f0a4e691b9
SHA1a762037bc50ddb7507d5ef1a20ce813ad990bb54
SHA256dbeb4b5ef3a49b4df0bc816a52f875e5aa6ad674aa8e2b458e9736da0b366ec0
SHA51255146e6464bf74266520341fae0b097ddfea1d6ed7fadf7e0dcf0eba7ac1c29384ad76f245994ea69f68dc85cdcdcb9fc4a2a1eede5db95001dbcd870505a3d8
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memory/1276-56-0x0000000000000000-mapping.dmp
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memory/1632-58-0x0000000000000000-mapping.dmp
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memory/1976-54-0x000000013F190000-0x000000013F212000-memory.dmpFilesize
520KB
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memory/1976-55-0x00000000004E0000-0x0000000000500000-memory.dmpFilesize
128KB