bitrat | f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922 | Triage

Analysis

max time kernel
151s
max time network
152s
platform
windows10_x64
resource
win10-en-20211208
submitted
21-01-2022 22:51

Sharing

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General

Target

f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe
Size

2.2MB
MD5

4daed8a0f6f918845d21dbf5119714df
SHA1

68469da08fbcb1e3b2e80304cc906b0ec05980e5
SHA256

f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922
SHA512

f4bf4f742850d51a62612f3947307ece3f723cd0bad95cf1ad6ecef28c13132a5313e041e0190e66d003a0d865b2f604ad0a773c5d81f9f5283fd43a269f1f0c

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.35

C2

publiquilla.linkpc.net:9090

Attributes

communication_password
bfdba24ee3d61f0260c4dc1034c3ee43
install_dir
windowssecurirysercivehealth
install_file
windowssecurirysercive.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/592-125-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/592-126-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/592-127-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 3 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\windowssecurirysercive = "C:\\Users\\Admin\\AppData\\Local\\windowssecurirysercivehealth\\windowssecurirysercive.exe儀"	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\windowssecurirysercive = "C:\\Users\\Admin\\AppData\\Local\\windowssecurirysercivehealth\\windowssecurirysercive.exe숀"	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\windowssecurirysercive = "C:\\Users\\Admin\\AppData\\Local\\windowssecurirysercivehealth\\windowssecurirysercive.exe"	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe

pid	process
592	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe
592	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe
592	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe
592	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe

description	pid	process	target process
PID 2732 set thread context of 592	2732	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe

Suspicious behavior: RenamesItself 6 IoCs

Processes:

f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe

pid	process
592	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe
592	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe
592	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe
592	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe
592	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe
592	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe

description pid process

Token: SeShutdownPrivilege 592 f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe

pid	process
592	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe
592	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe

description	pid	process	target process
PID 2732 wrote to memory of 592	2732	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe
PID 2732 wrote to memory of 592	2732	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe
PID 2732 wrote to memory of 592	2732	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe
PID 2732 wrote to memory of 592	2732	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe
PID 2732 wrote to memory of 592	2732	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe
PID 2732 wrote to memory of 592	2732	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe
PID 2732 wrote to memory of 592	2732	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe	f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe

C:\Users\Admin\AppData\Local\Temp\f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe
"C:\Users\Admin\AppData\Local\Temp\f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2732

C:\Users\Admin\AppData\Local\Temp\f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe
"C:\Users\Admin\AppData\Local\Temp\f6eefae38f4cded38163f406b801b74a3c55284e2aa5699e9bb1168a4e177922.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:592

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/592-125-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/592-127-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/592-126-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2732-121-0x0000000005B10000-0x000000000600E000-memory.dmp

Filesize
5.0MB

Download
memory/2732-119-0x0000000005AD0000-0x0000000005ADA000-memory.dmp

Filesize
40KB

Download
memory/2732-120-0x0000000005D10000-0x0000000005D66000-memory.dmp

Filesize
344KB

Download
memory/2732-115-0x0000000000FE0000-0x0000000001226000-memory.dmp

Filesize
2.3MB

Download
memory/2732-122-0x0000000005B90000-0x0000000005BB6000-memory.dmp

Filesize
152KB

Download
memory/2732-123-0x0000000006CB0000-0x0000000006E9E000-memory.dmp

Filesize
1.9MB

Download
memory/2732-124-0x000000000A290000-0x000000000A42E000-memory.dmp

Filesize
1.6MB

Download
memory/2732-118-0x0000000005BB0000-0x0000000005C42000-memory.dmp

Filesize
584KB

Download
memory/2732-117-0x0000000006010000-0x000000000650E000-memory.dmp

Filesize
5.0MB

Download
memory/2732-116-0x0000000005A30000-0x0000000005ACC000-memory.dmp

Filesize
624KB

Download