bitrat | a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c | Triage

Analysis

max time kernel
134s
max time network
142s
platform
windows10_x64
resource
win10-en-20211208
submitted
21-01-2022 23:24

Sharing

Report Analysis Logs

General

Target

a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe
Size

2.3MB
MD5

df9e3810c0448733923584201fc16793
SHA1

398888435d9e62d9d7abdba6647406436eb0114b
SHA256

a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c
SHA512

862486905d8b634e572354ae866d0d80ba80836aecfb36713e606fe1cd6cc4f97368af1248e584388aa92f43d56a208d1ebb22803a0d48e04e2bf6fc1466a241

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

jairoandresotalvarorend.linkpc.net:9086

Attributes

communication_password
bfdba24ee3d61f0260c4dc1034c3ee43
install_dir
windowsdefenderinitservices
install_file
windowsdefenderinitservice.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/4432-127-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/4432-128-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/4432-129-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\windowsdefenderinitservice = "C:\\Users\\Admin\\AppData\\Local\\windowsdefenderinitservices\\windowsdefenderinitservice.exe"	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe

pid	process
4432	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe
4432	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe
4432	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe
4432	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe

description	pid	process	target process
PID 3620 set thread context of 4432	3620	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe

Suspicious behavior: RenamesItself 12 IoCs

Processes:

a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe

pid	process
4432	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe
4432	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe
4432	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe
4432	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe
4432	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe
4432	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe
4432	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe
4432	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe
4432	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe
4432	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe
4432	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe
4432	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe

description pid process

Token: SeShutdownPrivilege 4432 a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe

pid	process
4432	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe
4432	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe

description	pid	process	target process
PID 3620 wrote to memory of 4432	3620	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe
PID 3620 wrote to memory of 4432	3620	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe
PID 3620 wrote to memory of 4432	3620	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe
PID 3620 wrote to memory of 4432	3620	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe
PID 3620 wrote to memory of 4432	3620	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe
PID 3620 wrote to memory of 4432	3620	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe
PID 3620 wrote to memory of 4432	3620	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe	a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe

C:\Users\Admin\AppData\Local\Temp\a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe
"C:\Users\Admin\AppData\Local\Temp\a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3620

C:\Users\Admin\AppData\Local\Temp\a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe
"C:\Users\Admin\AppData\Local\Temp\a226594d75c8dcf2c01221afd152208695d70c4fb8b4518a62514d7cd29be98c.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4432

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/3620-118-0x0000000000EE0000-0x0000000001134000-memory.dmp

Filesize
2.3MB

Download
memory/3620-119-0x0000000005E60000-0x000000000635E000-memory.dmp

Filesize
5.0MB

Download
memory/3620-120-0x0000000005A00000-0x0000000005A92000-memory.dmp

Filesize
584KB

Download
memory/3620-121-0x0000000005AA0000-0x0000000005B3C000-memory.dmp

Filesize
624KB

Download
memory/3620-122-0x0000000005970000-0x000000000597A000-memory.dmp

Filesize
40KB

Download
memory/3620-123-0x0000000005960000-0x0000000005E5E000-memory.dmp

Filesize
5.0MB

Download
memory/3620-124-0x0000000003250000-0x0000000003268000-memory.dmp

Filesize
96KB

Download
memory/3620-125-0x000000000D200000-0x000000000D3C2000-memory.dmp

Filesize
1.8MB

Download
memory/3620-126-0x000000000D3C0000-0x000000000D53A000-memory.dmp

Filesize
1.5MB

Download
memory/4432-127-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/4432-128-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/4432-129-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download