bitrat | 94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5 | Triage

Analysis

max time kernel
151s
max time network
145s
platform
windows7_x64
resource
win7-en-20211208
submitted
21-01-2022 23:28

Sharing

Report Analysis Logs

General

Target

94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
Size

2.6MB
MD5

af3b27ffe870d12a28934e6f2a0694a9
SHA1

6eb5ccfd4a1a10d6c9b8da5b594226d7bc4083d3
SHA256

94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5
SHA512

a57f3ff42708e67692441efcff5a6b305c32284bcb7ec9f90ce689184a51ccfa382268926ee29df185c8f5e6735e95d440409968705a13f585906d363a25a774

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.35

C2

publiquilla.linkpc.net:9091

Attributes

communication_password
bfdba24ee3d61f0260c4dc1034c3ee43
install_dir
System32dll
install_file
System32077273dll.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/392-61-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/392-62-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/392-63-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/392-64-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/392-66-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\System32077273dll = "C:\\Users\\Admin\\AppData\\Local\\System32dll\\System32077273dll.exe"	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

pid	process
392	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
392	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
392	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
392	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

description	pid	process	target process
PID 1880 set thread context of 392	1880	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

Suspicious behavior: RenamesItself 4 IoCs

Processes:

94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

pid	process
392	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
392	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
392	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
392	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

description	pid	process
Token: SeDebugPrivilege	392	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
Token: SeShutdownPrivilege	392	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

pid	process
392	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
392	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

description	pid	process	target process
PID 1880 wrote to memory of 392	1880	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
PID 1880 wrote to memory of 392	1880	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
PID 1880 wrote to memory of 392	1880	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
PID 1880 wrote to memory of 392	1880	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
PID 1880 wrote to memory of 392	1880	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
PID 1880 wrote to memory of 392	1880	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
PID 1880 wrote to memory of 392	1880	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
PID 1880 wrote to memory of 392	1880	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe	94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe

C:\Users\Admin\AppData\Local\Temp\94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
"C:\Users\Admin\AppData\Local\Temp\94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1880

C:\Users\Admin\AppData\Local\Temp\94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe
"C:\Users\Admin\AppData\Local\Temp\94a5815e6e9e4f4c9f3ca3865229f837a1c9e7e57cf65b8f0f8ce36049807cd5.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:392

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/392-63-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/392-60-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/392-61-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/392-62-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/392-64-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/392-66-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/392-67-0x0000000000401000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1880-55-0x0000000075AB1000-0x0000000075AB3000-memory.dmp

Filesize
8KB

Download
memory/1880-56-0x0000000002990000-0x0000000004AD0000-memory.dmp

Filesize
33.2MB

Download
memory/1880-57-0x0000000000690000-0x00000000006AA000-memory.dmp

Filesize
104KB

Download
memory/1880-58-0x00000000057F0000-0x00000000059E2000-memory.dmp

Filesize
1.9MB

Download
memory/1880-59-0x000000000AD70000-0x000000000AF12000-memory.dmp

Filesize
1.6MB

Download
memory/1880-54-0x00000000012F0000-0x0000000001588000-memory.dmp

Filesize
2.6MB

Download