bitrat | 06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a | Triage

Analysis

max time kernel
175s
max time network
171s
platform
windows10_x64
resource
win10-en-20211208
submitted
30-01-2022 16:39

Sharing

Report Analysis Logs

General

Target

06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe
Size

1.9MB
MD5

1eacfabba668e2f37f17a3177e14d1d1
SHA1

52c45d6f0faa7ec928e7d37c05ffcac0a6b79adb
SHA256

06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a
SHA512

aebf87e2f7fbe1f8682673d664b7a0348b003fbcaae996cdb37a8f9f73846a2a33880e9fc51e7567db16cd2b1c9a02fa947d2816858bd79a0ba7c2fac7d7968a

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.35

C2

publiquilla.linkpc.net:9097

Attributes

communication_password
bfdba24ee3d61f0260c4dc1034c3ee43
install_dir
System320772736e3b1d119b3
install_file
System320772736e3b1d119b.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/4400-124-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/4400-125-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/4400-126-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\System320772736e3b1d119b = "C:\\Users\\Admin\\AppData\\Local\\System320772736e3b1d119b3\\System320772736e3b1d119b.exe\uff00"	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\System320772736e3b1d119b = "C:\\Users\\Admin\\AppData\\Local\\System320772736e3b1d119b3\\System320772736e3b1d119b.exe"	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe

pid	process
4400	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe
4400	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe
4400	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe
4400	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe

description	pid	process	target process
PID 772 set thread context of 4400	772	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe

Suspicious behavior: RenamesItself 5 IoCs

Processes:

06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe

pid	process
4400	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe
4400	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe
4400	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe
4400	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe
4400	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe

description pid process

Token: SeShutdownPrivilege 4400 06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe

pid	process
4400	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe
4400	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe

description	pid	process	target process
PID 772 wrote to memory of 4400	772	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe
PID 772 wrote to memory of 4400	772	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe
PID 772 wrote to memory of 4400	772	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe
PID 772 wrote to memory of 4400	772	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe
PID 772 wrote to memory of 4400	772	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe
PID 772 wrote to memory of 4400	772	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe
PID 772 wrote to memory of 4400	772	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe	06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe

C:\Users\Admin\AppData\Local\Temp\06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe
"C:\Users\Admin\AppData\Local\Temp\06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:772

C:\Users\Admin\AppData\Local\Temp\06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe
"C:\Users\Admin\AppData\Local\Temp\06944dc79f37f8d56bea41e2e3fd7c001d2e16d493285811e525f52440ef268a.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4400

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/772-115-0x0000000000B70000-0x0000000000D68000-memory.dmp

Filesize
2.0MB

Download
memory/772-116-0x0000000005BE0000-0x00000000060DE000-memory.dmp

Filesize
5.0MB

Download
memory/772-117-0x0000000005590000-0x0000000005622000-memory.dmp

Filesize
584KB

Download
memory/772-118-0x00000000056E0000-0x000000000577C000-memory.dmp

Filesize
624KB

Download
memory/772-119-0x0000000005640000-0x000000000564A000-memory.dmp

Filesize
40KB

Download
memory/772-120-0x0000000005990000-0x000000000599A000-memory.dmp

Filesize
40KB

Download
memory/772-121-0x00000000054F0000-0x0000000005582000-memory.dmp

Filesize
584KB

Download
memory/772-122-0x00000000067C0000-0x0000000006990000-memory.dmp

Filesize
1.8MB

Download
memory/772-123-0x0000000009D80000-0x0000000009EFE000-memory.dmp

Filesize
1.5MB

Download
memory/4400-124-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/4400-125-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/4400-126-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download