bitrat | 4ea881ce90cbf4c9f6f26b940e062bbd147531c6754390f7e61784d892b54668

General

Target

8f161c203384b95bc5b20e122a9c1c68.exe
Size

323KB
MD5

8f161c203384b95bc5b20e122a9c1c68
SHA1

c72b4a03fef8c75ff0aab7bd97722249c9334ab0
SHA256

4ea881ce90cbf4c9f6f26b940e062bbd147531c6754390f7e61784d892b54668
SHA512

5b057a81759833c140153d4154f03ec6f0d544411f6739310b0c9f271b77d613c50062076a9aec951a527fed3aa55cc9d2fdd2a9bdd337912e020cd986066587

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

utfghjhkyut.duckdns.org:1882

Attributes

communication_password
81dc9bdb52d04dc20036dbd8313ed055
install_dir
AppData
install_file
chrome.exe
tor_process
tor

Signatures

BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
trojan bitrat

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1656-66-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1656-65-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1656-67-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1656-69-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1656-70-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegAsm.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\chrome = "C:\\Users\\Admin\\AppData\\Local\\AppData\\chrome.exe"	RegAsm.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

RegAsm.exe

pid process

1656 RegAsm.exe
1656 RegAsm.exe
1656 RegAsm.exe
1656 RegAsm.exe
1656 RegAsm.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

8f161c203384b95bc5b20e122a9c1c68.exe

description pid process target process

PID 1680 set thread context of 1656 1680 8f161c203384b95bc5b20e122a9c1c68.exe RegAsm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Runs ping.exe 1 TTPs 5 IoCs

Remote System Discovery
T1018

Processes:

PING.EXEPING.EXEPING.EXEPING.EXEPING.EXE

pid process

1568 PING.EXE
360 PING.EXE
968 PING.EXE
1840 PING.EXE
1976 PING.EXE
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe8f161c203384b95bc5b20e122a9c1c68.exe

pid process

436 powershell.exe
1680 8f161c203384b95bc5b20e122a9c1c68.exe
1680 8f161c203384b95bc5b20e122a9c1c68.exe

pid	process
1656	RegAsm.exe
1656	RegAsm.exe
1656	RegAsm.exe
1656	RegAsm.exe
1656	RegAsm.exe

description	pid	process	target process
PID 1680 set thread context of 1656	1680	8f161c203384b95bc5b20e122a9c1c68.exe	RegAsm.exe

pid	process
1568	PING.EXE
360	PING.EXE
968	PING.EXE
1840	PING.EXE
1976	PING.EXE

pid	process
436	powershell.exe
1680	8f161c203384b95bc5b20e122a9c1c68.exe
1680	8f161c203384b95bc5b20e122a9c1c68.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

8f161c203384b95bc5b20e122a9c1c68.exepowershell.exeRegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1680	8f161c203384b95bc5b20e122a9c1c68.exe
Token: SeDebugPrivilege	436	powershell.exe
Token: SeDebugPrivilege	1656	RegAsm.exe
Token: SeShutdownPrivilege	1656	RegAsm.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

RegAsm.exe

pid process

1656 RegAsm.exe
1656 RegAsm.exe

pid	process
1656	RegAsm.exe
1656	RegAsm.exe

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

8f161c203384b95bc5b20e122a9c1c68.exepowershell.exe

description	pid	process	target process
PID 1680 wrote to memory of 436	1680	8f161c203384b95bc5b20e122a9c1c68.exe	powershell.exe
PID 1680 wrote to memory of 436	1680	8f161c203384b95bc5b20e122a9c1c68.exe	powershell.exe
PID 1680 wrote to memory of 436	1680	8f161c203384b95bc5b20e122a9c1c68.exe	powershell.exe
PID 1680 wrote to memory of 436	1680	8f161c203384b95bc5b20e122a9c1c68.exe	powershell.exe
PID 436 wrote to memory of 1568	436	powershell.exe	PING.EXE
PID 436 wrote to memory of 1568	436	powershell.exe	PING.EXE
PID 436 wrote to memory of 1568	436	powershell.exe	PING.EXE
PID 436 wrote to memory of 1568	436	powershell.exe	PING.EXE
PID 436 wrote to memory of 360	436	powershell.exe	PING.EXE
PID 436 wrote to memory of 360	436	powershell.exe	PING.EXE
PID 436 wrote to memory of 360	436	powershell.exe	PING.EXE
PID 436 wrote to memory of 360	436	powershell.exe	PING.EXE
PID 436 wrote to memory of 968	436	powershell.exe	PING.EXE
PID 436 wrote to memory of 968	436	powershell.exe	PING.EXE
PID 436 wrote to memory of 968	436	powershell.exe	PING.EXE
PID 436 wrote to memory of 968	436	powershell.exe	PING.EXE
PID 436 wrote to memory of 1840	436	powershell.exe	PING.EXE
PID 436 wrote to memory of 1840	436	powershell.exe	PING.EXE
PID 436 wrote to memory of 1840	436	powershell.exe	PING.EXE
PID 436 wrote to memory of 1840	436	powershell.exe	PING.EXE
PID 436 wrote to memory of 1976	436	powershell.exe	PING.EXE
PID 436 wrote to memory of 1976	436	powershell.exe	PING.EXE
PID 436 wrote to memory of 1976	436	powershell.exe	PING.EXE
PID 436 wrote to memory of 1976	436	powershell.exe	PING.EXE
PID 1680 wrote to memory of 1656	1680	8f161c203384b95bc5b20e122a9c1c68.exe	RegAsm.exe
PID 1680 wrote to memory of 1656	1680	8f161c203384b95bc5b20e122a9c1c68.exe	RegAsm.exe
PID 1680 wrote to memory of 1656	1680	8f161c203384b95bc5b20e122a9c1c68.exe	RegAsm.exe
PID 1680 wrote to memory of 1656	1680	8f161c203384b95bc5b20e122a9c1c68.exe	RegAsm.exe
PID 1680 wrote to memory of 1656	1680	8f161c203384b95bc5b20e122a9c1c68.exe	RegAsm.exe
PID 1680 wrote to memory of 1656	1680	8f161c203384b95bc5b20e122a9c1c68.exe	RegAsm.exe
PID 1680 wrote to memory of 1656	1680	8f161c203384b95bc5b20e122a9c1c68.exe	RegAsm.exe
PID 1680 wrote to memory of 1656	1680	8f161c203384b95bc5b20e122a9c1c68.exe	RegAsm.exe
PID 1680 wrote to memory of 1656	1680	8f161c203384b95bc5b20e122a9c1c68.exe	RegAsm.exe
PID 1680 wrote to memory of 1656	1680	8f161c203384b95bc5b20e122a9c1c68.exe	RegAsm.exe
PID 1680 wrote to memory of 1656	1680	8f161c203384b95bc5b20e122a9c1c68.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\8f161c203384b95bc5b20e122a9c1c68.exe
"C:\Users\Admin\AppData\Local\Temp\8f161c203384b95bc5b20e122a9c1c68.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1680

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc cABpAG4AZwAgAHkAYQBoAG8AbwAuAGMAbwBtADsAIABwAGkAbgBnACAAeQBhAGgAbwBvAC4AYwBvAG0AOwBwAGkAbgBnACAAeQBhAGgAbwBvAC4AYwBvAG0AOwBwAGkAbgBnACAAeQBhAGgAbwBvAC4AYwBvAG0AOwBwAGkAbgBnACAAeQBhAGgAbwBvAC4AYwBvAG0AOwA=
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:436

C:\Windows\SysWOW64\PING.EXE
"C:\Windows\system32\PING.EXE" yahoo.com
3⤵
- Runs ping.exe
PID:1568

C:\Windows\SysWOW64\PING.EXE
"C:\Windows\system32\PING.EXE" yahoo.com
3⤵
- Runs ping.exe
PID:360

C:\Windows\SysWOW64\PING.EXE
"C:\Windows\system32\PING.EXE" yahoo.com
3⤵
- Runs ping.exe
PID:968

C:\Windows\SysWOW64\PING.EXE
"C:\Windows\system32\PING.EXE" yahoo.com
3⤵
- Runs ping.exe
PID:1840

C:\Windows\SysWOW64\PING.EXE
"C:\Windows\system32\PING.EXE" yahoo.com
3⤵
- Runs ping.exe
PID:1976

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1656

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/436-58-0x00000000023C0000-0x000000000300A000-memory.dmp

Filesize
12.3MB

Download
memory/436-59-0x00000000023C0000-0x000000000300A000-memory.dmp

Filesize
12.3MB

Download
memory/1656-66-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1656-64-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1656-65-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1656-67-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1656-69-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1656-70-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1656-71-0x0000000000401000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1680-56-0x0000000075021000-0x0000000075023000-memory.dmp

Filesize
8KB

Download
memory/1680-60-0x0000000000E90000-0x0000000000E91000-memory.dmp

Filesize
4KB

Download
memory/1680-61-0x0000000005E10000-0x0000000005FBE000-memory.dmp

Filesize
1.7MB

Download
memory/1680-62-0x00000000060F0000-0x0000000006286000-memory.dmp

Filesize
1.6MB

Download
memory/1680-63-0x00000000006F0000-0x000000000073C000-memory.dmp

Filesize
304KB

Download
memory/1680-55-0x0000000001380000-0x00000000013D8000-memory.dmp

Filesize
352KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads