bitrat | 2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823 | Triage

Analysis

max time kernel
156s
max time network
166s
platform
windows7_x64
resource
win7-en-20211208
submitted
30-01-2022 15:41

Sharing

Report Analysis Logs

General

Target

2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe
Size

2.1MB
MD5

1f6211415f80054e321e8d28b2d1578d
SHA1

826564db00d494a3667b00c8069e2de6673304a7
SHA256

2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823
SHA512

99d6069cb6023f9c3ebfd39e384be4446303686d9809462e485d3c2149f72bb336d01961bbcd9fb80407bdd0ef45408da1aa0f79405bc88dd49c4d2a92bfb093

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 5 IoCs

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

Processes:

resource	yara_rule
behavioral1/memory/1076-62-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1076-63-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1076-64-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1076-65-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1076-67-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\System320772736e3b1d119b = "C:\\Users\\Admin\\AppData\\Local\\System320772736e3b1d119b3\\System320772736e3b1d119b.exe"	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe

pid	process
1076	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe
1076	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe
1076	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe
1076	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe

description	pid	process	target process
PID 1952 set thread context of 1076	1952	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe

Suspicious behavior: RenamesItself 2 IoCs

Processes:

2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe

pid	process
1076	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe
1076	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe

description	pid	process
Token: SeDebugPrivilege	1076	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe
Token: SeShutdownPrivilege	1076	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe

pid	process
1076	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe
1076	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe

description	pid	process	target process
PID 1952 wrote to memory of 1076	1952	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe
PID 1952 wrote to memory of 1076	1952	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe
PID 1952 wrote to memory of 1076	1952	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe
PID 1952 wrote to memory of 1076	1952	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe
PID 1952 wrote to memory of 1076	1952	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe
PID 1952 wrote to memory of 1076	1952	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe
PID 1952 wrote to memory of 1076	1952	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe
PID 1952 wrote to memory of 1076	1952	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe	2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe

C:\Users\Admin\AppData\Local\Temp\2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe
"C:\Users\Admin\AppData\Local\Temp\2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1952

C:\Users\Admin\AppData\Local\Temp\2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe
"C:\Users\Admin\AppData\Local\Temp\2e8c3a33ef61db164f994bfc1734d41db0b4eff833cb97b17f1ec58fd3f69823.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1076

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/1076-64-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1076-61-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1076-62-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1076-63-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1076-65-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1076-67-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1076-68-0x0000000000401000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1952-56-0x0000000074B21000-0x0000000074B23000-memory.dmp

Filesize
8KB

Download
memory/1952-57-0x0000000002240000-0x0000000002241000-memory.dmp

Filesize
4KB

Download
memory/1952-58-0x0000000000510000-0x000000000051A000-memory.dmp

Filesize
40KB

Download
memory/1952-59-0x0000000005690000-0x000000000586A000-memory.dmp

Filesize
1.9MB

Download
memory/1952-60-0x0000000008D30000-0x0000000008EBA000-memory.dmp

Filesize
1.5MB

Download
memory/1952-55-0x00000000008F0000-0x0000000000B06000-memory.dmp

Filesize
2.1MB

Download