bitrat | e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4 | Triage

Analysis

max time kernel
153s
max time network
148s
platform
windows10_x64
resource
win10-en-20211208
submitted
21-01-2022 22:56

Sharing

Report Analysis Logs

General

Target

e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
Size

2.4MB
MD5

75ab70d75ef9a5ef97b10fe7dad6da43
SHA1

0fad17daf9b47275adda569291924828ef741a05
SHA256

e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4
SHA512

9b4afa3dbbb4d2ac0281be8f554f3b6465aefe6f2ff01cde75171264e3edd05c35aef511eeb15a6a9f66cb110d07be13dc879a50bd2792c364fe28ffbbdcf9fc

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

jairoandresotalvarorend.linkpc.net:9083

Attributes

communication_password
bfdba24ee3d61f0260c4dc1034c3ee43
install_dir
winlogomwindefenders
install_file
winlogomwindefender.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/2764-125-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2764-126-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2764-127-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlogomwindefender = "C:\\Users\\Admin\\AppData\\Local\\winlogomwindefenders\\winlogomwindefender.exe"	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe

pid	process
2764	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
2764	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
2764	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
2764	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe

description	pid	process	target process
PID 2612 set thread context of 2764	2612	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe

Suspicious behavior: RenamesItself 18 IoCs

Processes:

e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe

pid	process
2764	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
2764	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
2764	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
2764	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
2764	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
2764	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
2764	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
2764	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
2764	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
2764	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
2764	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
2764	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
2764	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
2764	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
2764	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
2764	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
2764	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
2764	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe

description pid process

Token: SeShutdownPrivilege 2764 e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe

pid	process
2764	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
2764	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe

description	pid	process	target process
PID 2612 wrote to memory of 2764	2612	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
PID 2612 wrote to memory of 2764	2612	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
PID 2612 wrote to memory of 2764	2612	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
PID 2612 wrote to memory of 2764	2612	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
PID 2612 wrote to memory of 2764	2612	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
PID 2612 wrote to memory of 2764	2612	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
PID 2612 wrote to memory of 2764	2612	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe	e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe

C:\Users\Admin\AppData\Local\Temp\e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
"C:\Users\Admin\AppData\Local\Temp\e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2612

C:\Users\Admin\AppData\Local\Temp\e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe
"C:\Users\Admin\AppData\Local\Temp\e8b3ee11d60b60f161546fab192988cf5f0c331308e2a60bbb4be9c76f26a9e4.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2764

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

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Downloads

memory/2612-115-0x00000000008E0000-0x0000000000B46000-memory.dmp

Filesize
2.4MB

Download
memory/2612-116-0x00000000054E0000-0x000000000557C000-memory.dmp

Filesize
624KB

Download
memory/2612-117-0x0000000005A80000-0x0000000005F7E000-memory.dmp

Filesize
5.0MB

Download
memory/2612-118-0x0000000005580000-0x0000000005612000-memory.dmp

Filesize
584KB

Download
memory/2612-119-0x0000000005490000-0x000000000549A000-memory.dmp

Filesize
40KB

Download
memory/2612-120-0x00000000057F0000-0x0000000005846000-memory.dmp

Filesize
344KB

Download
memory/2612-121-0x0000000005580000-0x0000000005A7E000-memory.dmp

Filesize
5.0MB

Download
memory/2612-122-0x00000000056F0000-0x000000000570E000-memory.dmp

Filesize
120KB

Download
memory/2612-123-0x0000000008050000-0x0000000008240000-memory.dmp

Filesize
1.9MB

Download
memory/2612-124-0x000000000B900000-0x000000000BA76000-memory.dmp

Filesize
1.5MB

Download
memory/2764-125-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2764-126-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2764-127-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download