bitrat | 4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4 | Triage

Analysis

max time kernel
160s
max time network
157s
platform
windows7_x64
resource
win7-en-20211208
submitted
30-01-2022 15:00

Sharing

Report Analysis Logs

General

Target

4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
Size

2.1MB
MD5

f1e98afd39a625e150a2fb6f066e1119
SHA1

d425b9ec5289d0f7ba937c6d9741339344da22d4
SHA256

4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4
SHA512

233048d2cd5999839c660f2912568dbd824823046da56f1c1289ec6f91689bbb8ca3a4cc924dbf5590d8f2c865f053be89cd23fb438f1d1650a093de58e2bfd3

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

publiquilla.linkpc.net:9088

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/1264-61-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1264-62-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1264-63-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1264-64-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1264-66-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\windowsdefenderinitservice = "C:\\Users\\Admin\\AppData\\Local\\windowsdefenderinitservices\\windowsdefenderinitservice.exe"	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe

pid	process
1264	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
1264	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
1264	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
1264	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe

description	pid	process	target process
PID 964 set thread context of 1264	964	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe

Suspicious behavior: RenamesItself 14 IoCs

Processes:

4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe

pid	process
1264	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
1264	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
1264	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
1264	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
1264	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
1264	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
1264	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
1264	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
1264	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
1264	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
1264	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
1264	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
1264	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
1264	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe

description	pid	process
Token: SeDebugPrivilege	1264	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
Token: SeShutdownPrivilege	1264	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe

pid	process
1264	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
1264	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe

description	pid	process	target process
PID 964 wrote to memory of 1264	964	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
PID 964 wrote to memory of 1264	964	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
PID 964 wrote to memory of 1264	964	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
PID 964 wrote to memory of 1264	964	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
PID 964 wrote to memory of 1264	964	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
PID 964 wrote to memory of 1264	964	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
PID 964 wrote to memory of 1264	964	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
PID 964 wrote to memory of 1264	964	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe	4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe

C:\Users\Admin\AppData\Local\Temp\4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
"C:\Users\Admin\AppData\Local\Temp\4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:964

C:\Users\Admin\AppData\Local\Temp\4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe
"C:\Users\Admin\AppData\Local\Temp\4d82e3c0921a972c4ff3fbc3827421f4a1d8f691d1de2ca6f92fbded0d1098e4.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1264

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/964-54-0x0000000000910000-0x0000000000B36000-memory.dmp

Filesize
2.1MB

Download
memory/964-55-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/964-56-0x0000000004FF0000-0x0000000004FF1000-memory.dmp

Filesize
4KB

Download
memory/964-57-0x0000000009E90000-0x0000000009EA6000-memory.dmp

Filesize
88KB

Download
memory/964-58-0x0000000007E90000-0x0000000008060000-memory.dmp

Filesize
1.8MB

Download
memory/964-59-0x0000000005BC0000-0x0000000005D4C000-memory.dmp

Filesize
1.5MB

Download
memory/1264-60-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1264-61-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1264-62-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1264-63-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1264-64-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1264-66-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1264-67-0x0000000000401000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download