bitrat | 5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68 | Triage

Analysis

max time kernel
151s
max time network
140s
platform
windows7_x64
resource
win7-en-20211208
submitted
21-01-2022 23:48

Sharing

Report Analysis Logs

General

Target

5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
Size

2.1MB
MD5

9bf79297f1cb4d4558df34df6543629c
SHA1

93773632d065436990bec5c67cf06bd552149dd7
SHA256

5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68
SHA512

16113979fde18e5556ab2dfaa12febda59928816109d50649232ee89045260bbd0a91a0917a93e70aee1e9cc52ab54388ae3b2a1f514aba401fa475f694e57f6

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

jairoandresotalvarorend.linkpc.net:9086

Attributes

communication_password
bfdba24ee3d61f0260c4dc1034c3ee43
install_dir
windowsdefenderinitservices
install_file
windowsdefenderinitservice.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.

Processes:

resource	yara_rule
behavioral1/memory/464-61-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/464-62-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/464-63-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/464-64-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/464-66-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\windowsdefenderinitservice = "C:\\Users\\Admin\\AppData\\Local\\windowsdefenderinitservices\\windowsdefenderinitservice.exe"	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe

pid	process
464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe

description	pid	process	target process
PID 868 set thread context of 464	868	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe

Suspicious behavior: RenamesItself 17 IoCs

Processes:

5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe

pid	process
464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe

description	pid	process
Token: SeDebugPrivilege	464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
Token: SeShutdownPrivilege	464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe

pid	process
464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
464	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe

description	pid	process	target process
PID 868 wrote to memory of 464	868	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
PID 868 wrote to memory of 464	868	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
PID 868 wrote to memory of 464	868	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
PID 868 wrote to memory of 464	868	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
PID 868 wrote to memory of 464	868	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
PID 868 wrote to memory of 464	868	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
PID 868 wrote to memory of 464	868	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
PID 868 wrote to memory of 464	868	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe	5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe

C:\Users\Admin\AppData\Local\Temp\5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
"C:\Users\Admin\AppData\Local\Temp\5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:868

C:\Users\Admin\AppData\Local\Temp\5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe
"C:\Users\Admin\AppData\Local\Temp\5cada311c0db4a8fe87a377b82f4ba9f686953ae98b59dd493d66da8927d9e68.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:464

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/464-63-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/464-60-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/464-61-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/464-62-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/464-64-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/464-66-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/464-67-0x0000000000401000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/868-55-0x0000000075761000-0x0000000075763000-memory.dmp

Filesize
8KB

Download
memory/868-56-0x0000000004F10000-0x0000000004F11000-memory.dmp

Filesize
4KB

Download
memory/868-57-0x0000000000300000-0x0000000000322000-memory.dmp

Filesize
136KB

Download
memory/868-58-0x0000000008690000-0x0000000008856000-memory.dmp

Filesize
1.8MB

Download
memory/868-59-0x0000000008850000-0x00000000089CE000-memory.dmp

Filesize
1.5MB

Download
memory/868-54-0x0000000001170000-0x000000000139A000-memory.dmp

Filesize
2.2MB

Download