bitrat | d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce | Triage

Analysis

max time kernel
153s
max time network
170s
platform
windows7_x64
resource
win7-en-20211208
submitted
21-01-2022 23:08

Sharing

Report Analysis Logs

General

Target

d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
Size

2.4MB
MD5

fc0765d29622555033b316243dfa0ffa
SHA1

92393107b21ee9b9ebc068b0a74c49e2968d7361
SHA256

d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce
SHA512

f0172c219d865620b9c11b68db9580477b8ad582bbb255c7bc7de6d40cb5d5d069bd7da5a93f998e74cefe90a9fc38d42479a94f0b58cbc4bd807eecc200f294

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 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

Processes:

resource	yara_rule
behavioral1/memory/1840-63-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1840-64-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1840-65-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1840-66-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1840-68-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\windowsdefenderinitservice = "C:\\Users\\Admin\\AppData\\Local\\windowsdefenderinitservices\\windowsdefenderinitservice.exe"	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe

pid	process
1840	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
1840	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
1840	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
1840	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe

description	pid	process	target process
PID 764 set thread context of 1840	764	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe

Suspicious behavior: RenamesItself 13 IoCs

Processes:

d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe

pid	process
1840	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
1840	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
1840	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
1840	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
1840	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
1840	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
1840	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
1840	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
1840	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
1840	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
1840	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
1840	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
1840	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe

description	pid	process
Token: SeDebugPrivilege	1840	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
Token: SeShutdownPrivilege	1840	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe

pid	process
1840	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
1840	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe

description	pid	process	target process
PID 764 wrote to memory of 1840	764	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
PID 764 wrote to memory of 1840	764	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
PID 764 wrote to memory of 1840	764	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
PID 764 wrote to memory of 1840	764	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
PID 764 wrote to memory of 1840	764	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
PID 764 wrote to memory of 1840	764	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
PID 764 wrote to memory of 1840	764	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
PID 764 wrote to memory of 1840	764	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe	d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe

C:\Users\Admin\AppData\Local\Temp\d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
"C:\Users\Admin\AppData\Local\Temp\d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:764

C:\Users\Admin\AppData\Local\Temp\d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe
"C:\Users\Admin\AppData\Local\Temp\d0266a288b4fb5fb9fc74829a16a30e430bbf96d2b9dc27cb4ae93c82d5c55ce.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1840

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/764-55-0x0000000000CA0000-0x0000000000F04000-memory.dmp

Filesize
2.4MB

Download
memory/764-56-0x0000000007100000-0x000000000732A000-memory.dmp

Filesize
2.2MB

Download
memory/764-57-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

Download
memory/764-58-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

Filesize
4KB

Download
memory/764-59-0x0000000000560000-0x0000000000578000-memory.dmp

Filesize
96KB

Download
memory/764-60-0x0000000018570000-0x0000000018732000-memory.dmp

Filesize
1.8MB

Download
memory/764-61-0x0000000018730000-0x00000000188AA000-memory.dmp

Filesize
1.5MB

Download
memory/1840-62-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1840-63-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1840-64-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1840-65-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1840-66-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1840-68-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1840-69-0x0000000000401000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download