bitrat | 7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add | Triage

Analysis

max time kernel
155s
max time network
155s
platform
windows10_x64
resource
win10-en-20211208
submitted
21-01-2022 23:36

Sharing

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General

Target

7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe
Size

1.9MB
MD5

208b01f1aee4d26ec10b003106e27c76
SHA1

f2a73e883ed8220177db9ee9dc85336c5bf505d3
SHA256

7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add
SHA512

fa97704bebf3f9583867411cb8dd878a933e3279daca9758a855ba3a1fdfa0789492196b5629acb553337c92d308dbd4d526d308946b3d49b75ad7f0b75b1a70

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.35

C2

publiquilla.linkpc.net:9096

Attributes

communication_password
bfdba24ee3d61f0260c4dc1034c3ee43
install_dir
antivirusscamdefenderlogss
install_file
antivirusscamdefenderlog.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 3 IoCs

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

Processes:

resource	yara_rule
behavioral2/memory/2700-125-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2700-126-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2700-127-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 3 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\antivirusscamdefenderlog = "C:\\Users\\Admin\\AppData\\Local\\antivirusscamdefenderlogss\\antivirusscamdefenderlog.exe꜀"	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\antivirusscamdefenderlog = "C:\\Users\\Admin\\AppData\\Local\\antivirusscamdefenderlogss\\antivirusscamdefenderlog.exe"	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\antivirusscamdefenderlog = "C:\\Users\\Admin\\AppData\\Local\\antivirusscamdefenderlogss\\antivirusscamdefenderlog.exeက"	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe

pid	process
2700	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe
2700	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe
2700	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe
2700	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe

description	pid	process	target process
PID 2464 set thread context of 2700	2464	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe

Suspicious behavior: RenamesItself 6 IoCs

Processes:

7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe

pid	process
2700	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe
2700	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe
2700	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe
2700	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe
2700	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe
2700	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe

description pid process

Token: SeShutdownPrivilege 2700 7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe

pid	process
2700	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe
2700	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe

description	pid	process	target process
PID 2464 wrote to memory of 2700	2464	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe
PID 2464 wrote to memory of 2700	2464	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe
PID 2464 wrote to memory of 2700	2464	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe
PID 2464 wrote to memory of 2700	2464	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe
PID 2464 wrote to memory of 2700	2464	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe
PID 2464 wrote to memory of 2700	2464	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe
PID 2464 wrote to memory of 2700	2464	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe	7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe

C:\Users\Admin\AppData\Local\Temp\7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe
"C:\Users\Admin\AppData\Local\Temp\7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2464

C:\Users\Admin\AppData\Local\Temp\7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe
"C:\Users\Admin\AppData\Local\Temp\7f9e7ab57241e48d772a0562adafa1fb4a837cdcf60e97e8cd575e03b8269add.exe"
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2700

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/2464-115-0x0000000000130000-0x0000000000324000-memory.dmp

Filesize
2.0MB

Download
memory/2464-116-0x0000000004CC0000-0x0000000004D5C000-memory.dmp

Filesize
624KB

Download
memory/2464-117-0x0000000005260000-0x000000000575E000-memory.dmp

Filesize
5.0MB

Download
memory/2464-118-0x0000000004D60000-0x0000000004DF2000-memory.dmp

Filesize
584KB

Download
memory/2464-119-0x0000000000E30000-0x0000000000E3A000-memory.dmp

Filesize
40KB

Download
memory/2464-120-0x0000000004E00000-0x0000000004E56000-memory.dmp

Filesize
344KB

Download
memory/2464-121-0x0000000004D60000-0x000000000525E000-memory.dmp

Filesize
5.0MB

Download
memory/2464-122-0x0000000005010000-0x000000000501A000-memory.dmp

Filesize
40KB

Download
memory/2464-123-0x0000000005E10000-0x0000000005FE0000-memory.dmp

Filesize
1.8MB

Download
memory/2464-124-0x0000000000BB0000-0x0000000000D30000-memory.dmp

Filesize
1.5MB

Download
memory/2700-125-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2700-126-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2700-127-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download