redline | b0e3286621a4242338db48d850afb9832f5083ed2cb2924359b71a03781f5cf4

General

Target
0495e8b62b29df91397da57916e6c0c4.exe
Size 193KB
Sample231229-1f3f5aegdn
SHA256 b0e3286621a4242338db48d850afb9832f5083ed2cb2924359b71a03781f5cf4
MD5 0495e8b62b29df91397da57916e6c0c4
SHA1 c00df56072038eabe4f960e68c245683d370a5d3
SHA512 2d52618059fcabaec712280e4f40d66f34f674cac1f915c4614c6b9c3f36cecd8445639c4d6cfe5707b245a9a0682c8d35b541c650ce033eefef872a3758f628
SSDEEP 6144:K82HQR+1885ebOkE8sEIwEcl/LluJNHoy:n2O+0qkEYVj/LlAI
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

redline sectoprat 696373073 infostealer rat trojan

Malware Config

Extracted

Family

redline

Botnet

696373073

C2

188.40.193.166:43180

Signatures

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 3 IoCs

resource	yara_rule
behavioral2/memory/2144-4-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral2/memory/2144-6-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral2/memory/2144-5-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline

SectopRAT
SectopRAT is a remote access trojan first seen in November 2019.
trojan rat sectoprat

SectopRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/2144-4-0x0000000000400000-0x000000000041E000-memory.dmp	family_sectoprat
behavioral2/memory/2144-6-0x0000000000400000-0x000000000041E000-memory.dmp	family_sectoprat
behavioral2/memory/2144-5-0x0000000000400000-0x000000000041E000-memory.dmp	family_sectoprat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2008 set thread context of 2144	2008	0495e8b62b29df91397da57916e6c0c4.exe	94

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\windows\test.txt	0495e8b62b29df91397da57916e6c0c4.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2008	0495e8b62b29df91397da57916e6c0c4.exe
2008	0495e8b62b29df91397da57916e6c0c4.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2008	0495e8b62b29df91397da57916e6c0c4.exe
Token: SeRestorePrivilege	860	dw20.exe
Token: SeBackupPrivilege	860	dw20.exe
Token: SeBackupPrivilege	860	dw20.exe
Token: SeBackupPrivilege	860	dw20.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 2144	2008	0495e8b62b29df91397da57916e6c0c4.exe	94
PID 2008 wrote to memory of 2144	2008	0495e8b62b29df91397da57916e6c0c4.exe	94
PID 2008 wrote to memory of 2144	2008	0495e8b62b29df91397da57916e6c0c4.exe	94
PID 2008 wrote to memory of 2144	2008	0495e8b62b29df91397da57916e6c0c4.exe	94
PID 2008 wrote to memory of 2144	2008	0495e8b62b29df91397da57916e6c0c4.exe	94
PID 2008 wrote to memory of 2144	2008	0495e8b62b29df91397da57916e6c0c4.exe	94
PID 2008 wrote to memory of 2144	2008	0495e8b62b29df91397da57916e6c0c4.exe	94
PID 2008 wrote to memory of 2144	2008	0495e8b62b29df91397da57916e6c0c4.exe	94
PID 2144 wrote to memory of 860	2144	0495e8b62b29df91397da57916e6c0c4.exe	96
PID 2144 wrote to memory of 860	2144	0495e8b62b29df91397da57916e6c0c4.exe	96
PID 2144 wrote to memory of 860	2144	0495e8b62b29df91397da57916e6c0c4.exe	96

C:\Users\Admin\AppData\Local\Temp\0495e8b62b29df91397da57916e6c0c4.exe
"C:\Users\Admin\AppData\Local\Temp\0495e8b62b29df91397da57916e6c0c4.exe"
1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Users\Admin\AppData\Local\Temp\0495e8b62b29df91397da57916e6c0c4.exe
  "C:\Users\Admin\AppData\Local\Temp\0495e8b62b29df91397da57916e6c0c4.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2144
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 792
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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0495e8b62b29df91397da57916e6c0c4.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\0495e8b62b29df91397da57916e6c0c4.exe.log
Size 408B
SHA256 154998d6f0471484664b21526bc884c78593aad632d0ee0f4b29ace1946026cf
MD5 9357aeac30c60e6624d070a03e2e36a3
SHA1 d9f1d068b3f6b0dbd4cec72753c761a5efd8ba25
SHA512 859c74948e8b6c6a3a23f09248177bff7ea6f6c5f6a331f075751a5f569845eb3d58c10e05935bfafd2fd73e5f3d0734aa6a9dce8380cc7d7023d6ca6f7d4c4d
MD5 SHA1 SHA512

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memory/2008-0-0x0000000074610000-0x0000000074BC1000-memory.dmp

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memory/2008-1-0x0000000074610000-0x0000000074BC1000-memory.dmp

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memory/2008-2-0x0000000001650000-0x0000000001660000-memory.dmp

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memory/2008-9-0x0000000074610000-0x0000000074BC1000-memory.dmp

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memory/2144-4-0x0000000000400000-0x000000000041E000-memory.dmp

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memory/2144-6-0x0000000000400000-0x000000000041E000-memory.dmp

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memory/2144-5-0x0000000000400000-0x000000000041E000-memory.dmp

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memory/2144-11-0x0000000074610000-0x0000000074BC1000-memory.dmp

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memory/2144-12-0x0000000074610000-0x0000000074BC1000-memory.dmp

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memory/2144-19-0x0000000074610000-0x0000000074BC1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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