bitrat | 44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3 | Triage

Analysis

max time kernel
165s
max time network
170s
platform
windows10_x64
resource
win10-en-20211208
submitted
30-01-2022 15:11

Sharing

Report Analysis Logs

General

Target

44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe
Size

2.1MB
MD5

8f80b1aa1c993a8be187868cd3b6f5fc
SHA1

a1b1959ea2f410aa40e09f73e6522fe89969c6c5
SHA256

44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3
SHA512

344da2dcb5643e558ea52cf5b7728180359e04bc6179cda768438c205787e8e7c474952afb3c9d1fd63a7879be213b8bc41fc090248a63f5fa2201b7199a0ad3

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.35

C2

publiquilla.linkpc.net:9095

Attributes

communication_password
bfdba24ee3d61f0260c4dc1034c3ee43
install_dir
antimalawaresdystemlogomn
install_file
antimalawaresdystem.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/856-126-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/856-127-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/856-128-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\antimalawaresdystem = "C:\\Users\\Admin\\AppData\\Local\\antimalawaresdystemlogomn\\antimalawaresdystem.exe"	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe

pid	process
856	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe
856	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe
856	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe
856	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe

description	pid	process	target process
PID 1692 set thread context of 856	1692	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe

Suspicious behavior: RenamesItself 4 IoCs

Processes:

44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe

pid	process
856	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe
856	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe
856	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe
856	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe

description pid process

Token: SeShutdownPrivilege 856 44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe

pid	process
856	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe
856	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe

description	pid	process	target process
PID 1692 wrote to memory of 856	1692	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe
PID 1692 wrote to memory of 856	1692	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe
PID 1692 wrote to memory of 856	1692	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe
PID 1692 wrote to memory of 856	1692	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe
PID 1692 wrote to memory of 856	1692	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe
PID 1692 wrote to memory of 856	1692	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe
PID 1692 wrote to memory of 856	1692	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe	44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe

C:\Users\Admin\AppData\Local\Temp\44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe
"C:\Users\Admin\AppData\Local\Temp\44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1692

C:\Users\Admin\AppData\Local\Temp\44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe
"C:\Users\Admin\AppData\Local\Temp\44695a8503106b29067a702055ada74185c5072db375409f7cc8f36a64a7e4f3.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:856

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/856-126-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/856-127-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/856-128-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1692-118-0x00000000007F0000-0x0000000000A14000-memory.dmp

Filesize
2.1MB

Download
memory/1692-119-0x0000000005450000-0x0000000005451000-memory.dmp

Filesize
4KB

Download
memory/1692-120-0x0000000005530000-0x00000000055C2000-memory.dmp

Filesize
584KB

Download
memory/1692-121-0x00000000055D0000-0x000000000566C000-memory.dmp

Filesize
624KB

Download
memory/1692-122-0x0000000005470000-0x0000000005484000-memory.dmp

Filesize
80KB

Download
memory/1692-123-0x0000000005DF0000-0x00000000062EE000-memory.dmp

Filesize
5.0MB

Download
memory/1692-124-0x0000000006700000-0x0000000006900000-memory.dmp

Filesize
2.0MB

Download
memory/1692-125-0x0000000009BB0000-0x0000000009D62000-memory.dmp

Filesize
1.7MB

Download