bitrat | ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8 | Triage

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-en-20211208
submitted
21-01-2022 22:54

Sharing

Report Analysis Logs

General

Target

ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe
Size

2.4MB
MD5

a5fdd99bf98e3376cb52a60a6c94bfa3
SHA1

ea610ffed593c1756a84005f113de6eda1d27f85
SHA256

ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8
SHA512

d1367298de62bc4c1be0a835fba85e93c7eda6505fddcbf771b81755d19f46930dad55a5b572c647b21d9f5de6053f91eb47f2a33ca557f710e1e96116aa6f97

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.35

C2

publiquilla.linkpc.net:9090

Attributes

communication_password
bfdba24ee3d61f0260c4dc1034c3ee43
install_dir
windowssecurirysercivehealth
install_file
windowssecurirysercive.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/428-61-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/428-62-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/428-63-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/428-64-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/428-66-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\windowssecurirysercive = "C:\\Users\\Admin\\AppData\\Local\\windowssecurirysercivehealth\\windowssecurirysercive.exe"	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe

pid	process
428	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe
428	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe
428	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe
428	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe

description	pid	process	target process
PID 1624 set thread context of 428	1624	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe

Suspicious behavior: RenamesItself 6 IoCs

Processes:

ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe

pid	process
428	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe
428	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe
428	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe
428	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe
428	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe
428	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe

description	pid	process
Token: SeDebugPrivilege	428	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe
Token: SeShutdownPrivilege	428	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe

pid	process
428	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe
428	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe

description	pid	process	target process
PID 1624 wrote to memory of 428	1624	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe
PID 1624 wrote to memory of 428	1624	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe
PID 1624 wrote to memory of 428	1624	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe
PID 1624 wrote to memory of 428	1624	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe
PID 1624 wrote to memory of 428	1624	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe
PID 1624 wrote to memory of 428	1624	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe
PID 1624 wrote to memory of 428	1624	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe
PID 1624 wrote to memory of 428	1624	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe	ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe

C:\Users\Admin\AppData\Local\Temp\ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe
"C:\Users\Admin\AppData\Local\Temp\ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1624

C:\Users\Admin\AppData\Local\Temp\ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe
"C:\Users\Admin\AppData\Local\Temp\ed8ea7147615e1346db04eb63fe14ff1ea8dcb083006961e0400cbb4a9d999f8.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:428

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/428-63-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/428-60-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/428-61-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/428-62-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/428-64-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/428-66-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/428-67-0x0000000000401000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1624-55-0x0000000076C61000-0x0000000076C63000-memory.dmp

Filesize
8KB

Download
memory/1624-56-0x0000000002840000-0x0000000004930000-memory.dmp

Filesize
32.9MB

Download
memory/1624-57-0x0000000000320000-0x0000000000342000-memory.dmp

Filesize
136KB

Download
memory/1624-58-0x0000000005850000-0x0000000005A24000-memory.dmp

Filesize
1.8MB

Download
memory/1624-59-0x0000000005FB0000-0x0000000006134000-memory.dmp

Filesize
1.5MB

Download
memory/1624-54-0x00000000011D0000-0x0000000001438000-memory.dmp

Filesize
2.4MB

Download