bitrat | 94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5 | Triage

Analysis

max time kernel
154s
max time network
158s
platform
windows10_x64
resource
win10-en-20211208
submitted
21-01-2022 23:28

Sharing

Report Analysis Logs

General

Target

94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
Size

2.6MB
MD5

af3b27ffe870d12a28934e6f2a0694a9
SHA1

6eb5ccfd4a1a10d6c9b8da5b594226d7bc4083d3
SHA256

94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5
SHA512

a57f3ff42708e67692441efcff5a6b305c32284bcb7ec9f90ce689184a51ccfa382268926ee29df185c8f5e6735e95d440409968705a13f585906d363a25a774

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.35

C2

publiquilla.linkpc.net:9091

Attributes

communication_password
bfdba24ee3d61f0260c4dc1034c3ee43
install_dir
System32dll
install_file
System32077273dll.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 3 IoCs

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

Processes:

resource	yara_rule
behavioral2/memory/2808-128-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2808-129-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2808-130-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\System32077273dll = "C:\\Users\\Admin\\AppData\\Local\\System32dll\\System32077273dll.exe"	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

pid	process
2808	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
2808	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
2808	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
2808	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

description	pid	process	target process
PID 2716 set thread context of 2808	2716	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

Suspicious behavior: RenamesItself 7 IoCs

Processes:

94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

pid	process
2808	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
2808	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
2808	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
2808	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
2808	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
2808	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
2808	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

description pid process

Token: SeShutdownPrivilege 2808 94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

pid	process
2808	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
2808	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

description	pid	process	target process
PID 2716 wrote to memory of 2808	2716	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
PID 2716 wrote to memory of 2808	2716	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
PID 2716 wrote to memory of 2808	2716	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
PID 2716 wrote to memory of 2808	2716	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
PID 2716 wrote to memory of 2808	2716	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
PID 2716 wrote to memory of 2808	2716	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
PID 2716 wrote to memory of 2808	2716	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

C:\Users\Admin\AppData\Local\Temp\94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
"C:\Users\Admin\AppData\Local\Temp\94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2716

C:\Users\Admin\AppData\Local\Temp\94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
"C:\Users\Admin\AppData\Local\Temp\94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2808

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/2716-118-0x0000000000900000-0x0000000000B98000-memory.dmp

Filesize
2.6MB

Download
memory/2716-119-0x00000000053E0000-0x000000000547C000-memory.dmp

Filesize
624KB

Download
memory/2716-120-0x0000000005A20000-0x0000000005F1E000-memory.dmp

Filesize
5.0MB

Download
memory/2716-121-0x0000000005520000-0x00000000055B2000-memory.dmp

Filesize
584KB

Download
memory/2716-122-0x00000000053A0000-0x00000000053AA000-memory.dmp

Filesize
40KB

Download
memory/2716-123-0x0000000005520000-0x0000000005A1E000-memory.dmp

Filesize
5.0MB

Download
memory/2716-124-0x0000000005680000-0x00000000056D6000-memory.dmp

Filesize
344KB

Download
memory/2716-125-0x0000000005700000-0x000000000571A000-memory.dmp

Filesize
104KB

Download
memory/2716-126-0x0000000008060000-0x0000000008252000-memory.dmp

Filesize
1.9MB

Download
memory/2716-127-0x000000000B790000-0x000000000B932000-memory.dmp

Filesize
1.6MB

Download
memory/2808-128-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2808-129-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2808-130-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download