bitrat | 3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131 | Triage

Analysis

max time kernel
160s
max time network
167s
platform
windows7_x64
resource
win7-en-20211208
submitted
30-01-2022 15:18

Sharing

Report Analysis Logs

General

Target

3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe
Size

2.2MB
MD5

e8d16b1b67ef52f774cd9a36323e3fad
SHA1

d74cbffadc4f035d8a668dc11f7541b0092b46a6
SHA256

3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131
SHA512

f89f1121bd2fa6c39262d585d3108a649d22ca785511d4a8d7a12864927e1230dbad17d28632c624be87f2b14dbc3e1a3d15858548f710597d8466ee1cc7277e

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

jairoandresotalvarorend.linkpc.net:9082

Attributes

communication_password
bfdba24ee3d61f0260c4dc1034c3ee43
install_dir
sophosavsdefender
install_file
sophosavsdefender.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/1912-62-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1912-63-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1912-64-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1912-65-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1912-67-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Windows\CurrentVersion\Run\sophosavsdefender = "C:\\Users\\Admin\\AppData\\Local\\sophosavsdefender\\sophosavsdefender.exe"	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe

pid	process
1912	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe
1912	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe
1912	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe
1912	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe

description	pid	process	target process
PID 1316 set thread context of 1912	1316	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe

Suspicious behavior: RenamesItself 5 IoCs

Processes:

3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe

pid	process
1912	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe
1912	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe
1912	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe
1912	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe
1912	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe

description	pid	process
Token: SeDebugPrivilege	1912	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe
Token: SeShutdownPrivilege	1912	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe

pid	process
1912	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe
1912	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe

description	pid	process	target process
PID 1316 wrote to memory of 1912	1316	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe
PID 1316 wrote to memory of 1912	1316	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe
PID 1316 wrote to memory of 1912	1316	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe
PID 1316 wrote to memory of 1912	1316	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe
PID 1316 wrote to memory of 1912	1316	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe
PID 1316 wrote to memory of 1912	1316	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe
PID 1316 wrote to memory of 1912	1316	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe
PID 1316 wrote to memory of 1912	1316	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe	3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe

C:\Users\Admin\AppData\Local\Temp\3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe
"C:\Users\Admin\AppData\Local\Temp\3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1316

C:\Users\Admin\AppData\Local\Temp\3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe
"C:\Users\Admin\AppData\Local\Temp\3ec948a979dfde44911ced4666cfc7f445ffecdab2f8c9c8ac71ef8f99fd4131.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1912

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/1316-55-0x0000000000D20000-0x0000000000F5A000-memory.dmp

Filesize
2.2MB

Download
memory/1316-56-0x0000000000480000-0x00000000004E0000-memory.dmp

Filesize
384KB

Download
memory/1316-57-0x0000000075801000-0x0000000075803000-memory.dmp

Filesize
8KB

Download
memory/1316-58-0x00000000004E0000-0x00000000004FC000-memory.dmp

Filesize
112KB

Download
memory/1316-59-0x0000000005790000-0x000000000594A000-memory.dmp

Filesize
1.7MB

Download
memory/1316-60-0x0000000008BD0000-0x0000000008D4C000-memory.dmp

Filesize
1.5MB

Download
memory/1912-61-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1912-62-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1912-63-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1912-64-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1912-65-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1912-67-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1912-68-0x0000000000401000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download