bitrat | aee6a3503964755eca404182c5a3f6065f09176f52e889bfbcb0fa81d9d61e2a

General

Target

tmpo8d7q563.exe
Size

4.1MB
MD5

36b0f6af785f213b030b38fd264b28a6
SHA1

e4dd03d092baad2c44a93127843b9412dc4e9242
SHA256

aee6a3503964755eca404182c5a3f6065f09176f52e889bfbcb0fa81d9d61e2a
SHA512

c246b70eaaf63eabbf6398a16172ef523dfc31a44e1afe1e48f337855b2488c68e1a30180a59e685484560f51b8d7b015cec947553d17f5d42126d53cbbf0963
SSDEEP

24576:tCNUL960NT6JtkKM5Xqix7Z4hwinQh6LhZGGNtSzGmzS+op1jHZP4qukK0PeXAyp:rX

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

bendiciones5.con-ip.com:7777

Attributes

communication_password
202cb962ac59075b964b07152d234b70
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 8 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1724-62-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1724-64-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1724-65-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1724-68-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1724-67-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1724-69-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1724-71-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1724-72-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

tmpo8d7q563.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\chrome = "\"C:\\Users\\Admin\\AppData\\Roaming\\Xvkclzqcdjb\\chrome.exe\""	tmpo8d7q563.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

InstallUtil.exe

pid process

1724 InstallUtil.exe
1724 InstallUtil.exe
1724 InstallUtil.exe
1724 InstallUtil.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

tmpo8d7q563.exe

description pid process target process

PID 864 set thread context of 1724 864 tmpo8d7q563.exe InstallUtil.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

1740 powershell.exe

pid	process
1724	InstallUtil.exe
1724	InstallUtil.exe
1724	InstallUtil.exe
1724	InstallUtil.exe

description	pid	process	target process
PID 864 set thread context of 1724	864	tmpo8d7q563.exe	InstallUtil.exe

pid	process
1740	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exetmpo8d7q563.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1740	powershell.exe
Token: SeDebugPrivilege	864	tmpo8d7q563.exe
Token: SeDebugPrivilege	1724	InstallUtil.exe
Token: SeShutdownPrivilege	1724	InstallUtil.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

InstallUtil.exe

pid process

1724 InstallUtil.exe
1724 InstallUtil.exe

pid	process
1724	InstallUtil.exe
1724	InstallUtil.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

tmpo8d7q563.exe

description	pid	process	target process
PID 864 wrote to memory of 1740	864	tmpo8d7q563.exe	powershell.exe
PID 864 wrote to memory of 1740	864	tmpo8d7q563.exe	powershell.exe
PID 864 wrote to memory of 1740	864	tmpo8d7q563.exe	powershell.exe
PID 864 wrote to memory of 1740	864	tmpo8d7q563.exe	powershell.exe
PID 864 wrote to memory of 1724	864	tmpo8d7q563.exe	InstallUtil.exe
PID 864 wrote to memory of 1724	864	tmpo8d7q563.exe	InstallUtil.exe
PID 864 wrote to memory of 1724	864	tmpo8d7q563.exe	InstallUtil.exe
PID 864 wrote to memory of 1724	864	tmpo8d7q563.exe	InstallUtil.exe
PID 864 wrote to memory of 1724	864	tmpo8d7q563.exe	InstallUtil.exe
PID 864 wrote to memory of 1724	864	tmpo8d7q563.exe	InstallUtil.exe
PID 864 wrote to memory of 1724	864	tmpo8d7q563.exe	InstallUtil.exe
PID 864 wrote to memory of 1724	864	tmpo8d7q563.exe	InstallUtil.exe
PID 864 wrote to memory of 1724	864	tmpo8d7q563.exe	InstallUtil.exe
PID 864 wrote to memory of 1724	864	tmpo8d7q563.exe	InstallUtil.exe
PID 864 wrote to memory of 1724	864	tmpo8d7q563.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\tmpo8d7q563.exe
"C:\Users\Admin\AppData\Local\Temp\tmpo8d7q563.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:864

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1740

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1724

Network

MITRE ATT&CK Enterprise 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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/864-54-0x0000000000F50000-0x0000000001370000-memory.dmp

Filesize
4.1MB

Download
memory/864-55-0x0000000004EC0000-0x00000000050CE000-memory.dmp

Filesize
2.1MB

Download
memory/864-56-0x0000000000AC0000-0x0000000000B52000-memory.dmp

Filesize
584KB

Download
memory/1724-68-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1724-65-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1724-72-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1724-71-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1724-61-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1724-62-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1724-64-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1724-69-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1724-66-0x00000000007E2730-mapping.dmp

Download
memory/1724-67-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1740-57-0x0000000000000000-mapping.dmp

Download
memory/1740-58-0x0000000076321000-0x0000000076323000-memory.dmp

Filesize
8KB

Download
memory/1740-60-0x000000006F8D0000-0x000000006FE7B000-memory.dmp

Filesize
5.7MB

Download
memory/1740-59-0x000000006F8D0000-0x000000006FE7B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads