bitrat | 22bbb0c90d11a8aea61709701f1270ca3de868e46d0f762f1525a1a00bc8d05b

General

Target

IMG-32023024233.exe
Size

3.2MB
MD5

828a3bdeb4a401a7134e2e3450e414a7
SHA1

fa2981aa88dbd1acc82a337c9f50104ecb302720
SHA256

22bbb0c90d11a8aea61709701f1270ca3de868e46d0f762f1525a1a00bc8d05b
SHA512

b35211e6fc02350e0c73623a77af38552c30dacf5dc63075081773664aaebe05e58e1600785282716b2d48da6a44799683a4c40a47882cbee93e5e5380bd5e5a
SSDEEP

98304:WkollwJKaDlROGpTxbqbxQ9DcCKcnnRfgu:WkUlwJKa50+N5lRz

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

fwucbuhdbcuh.con-ip.com:1880

Attributes

communication_password
202cb962ac59075b964b07152d234b70
install_dir
AppData
install_file
Discord.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 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2676-143-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2676-144-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2676-145-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2676-146-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2676-147-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2676-150-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

IMG-32023024233.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	IMG-32023024233.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

IMG-32023024233.exeInstallUtil.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chrome = "\"C:\\Users\\Admin\\AppData\\Roaming\\Tzkhcuxy\\chrome.exe\""	IMG-32023024233.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Discord = "C:\\Users\\Admin\\AppData\\Local\\AppData\\Discord.exe"	InstallUtil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Discord = "C:\\Users\\Admin\\AppData\\Local\\AppData\\Discord.exe㴀"	InstallUtil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Discord = "C:\\Users\\Admin\\AppData\\Local\\AppData\\Discord.exe䄀"	InstallUtil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Discord = "C:\\Users\\Admin\\AppData\\Local\\AppData\\Discord.exe䜀"	InstallUtil.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Discord = "C:\\Users\\Admin\\AppData\\Local\\AppData\\Discord.exe㌀"	InstallUtil.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

InstallUtil.exe

pid process

2676 InstallUtil.exe
2676 InstallUtil.exe
2676 InstallUtil.exe
2676 InstallUtil.exe
2676 InstallUtil.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

IMG-32023024233.exe

description pid process target process

PID 4820 set thread context of 2676 4820 IMG-32023024233.exe InstallUtil.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

4004 powershell.exe
4004 powershell.exe

pid	process
2676	InstallUtil.exe
2676	InstallUtil.exe
2676	InstallUtil.exe
2676	InstallUtil.exe
2676	InstallUtil.exe

description	pid	process	target process
PID 4820 set thread context of 2676	4820	IMG-32023024233.exe	InstallUtil.exe

pid	process
4004	powershell.exe
4004	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exeIMG-32023024233.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	4004	powershell.exe
Token: SeDebugPrivilege	4820	IMG-32023024233.exe
Token: SeShutdownPrivilege	2676	InstallUtil.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

InstallUtil.exe

pid process

2676 InstallUtil.exe
2676 InstallUtil.exe

pid	process
2676	InstallUtil.exe
2676	InstallUtil.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

IMG-32023024233.exe

description	pid	process	target process
PID 4820 wrote to memory of 4004	4820	IMG-32023024233.exe	powershell.exe
PID 4820 wrote to memory of 4004	4820	IMG-32023024233.exe	powershell.exe
PID 4820 wrote to memory of 4004	4820	IMG-32023024233.exe	powershell.exe
PID 4820 wrote to memory of 2676	4820	IMG-32023024233.exe	InstallUtil.exe
PID 4820 wrote to memory of 2676	4820	IMG-32023024233.exe	InstallUtil.exe
PID 4820 wrote to memory of 2676	4820	IMG-32023024233.exe	InstallUtil.exe
PID 4820 wrote to memory of 2676	4820	IMG-32023024233.exe	InstallUtil.exe
PID 4820 wrote to memory of 2676	4820	IMG-32023024233.exe	InstallUtil.exe
PID 4820 wrote to memory of 2676	4820	IMG-32023024233.exe	InstallUtil.exe
PID 4820 wrote to memory of 2676	4820	IMG-32023024233.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\IMG-32023024233.exe
"C:\Users\Admin\AppData\Local\Temp\IMG-32023024233.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4820

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4004

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2676

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2676-147-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2676-145-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2676-142-0x0000000000000000-mapping.dmp

Download
memory/2676-144-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2676-143-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2676-152-0x0000000074BA0000-0x0000000074BD9000-memory.dmp

Filesize
228KB

Download
memory/2676-151-0x0000000074EE0000-0x0000000074F19000-memory.dmp

Filesize
228KB

Download
memory/2676-150-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2676-149-0x0000000074BA0000-0x0000000074BD9000-memory.dmp

Filesize
228KB

Download
memory/2676-148-0x0000000074EE0000-0x0000000074F19000-memory.dmp

Filesize
228KB

Download
memory/2676-146-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/4004-138-0x0000000006140000-0x00000000061A6000-memory.dmp

Filesize
408KB

Download
memory/4004-135-0x0000000003190000-0x00000000031C6000-memory.dmp

Filesize
216KB

Download
memory/4004-136-0x0000000005A30000-0x0000000006058000-memory.dmp

Filesize
6.2MB

Download
memory/4004-134-0x0000000000000000-mapping.dmp

Download
memory/4004-141-0x0000000006C70000-0x0000000006C8A000-memory.dmp

Filesize
104KB

Download
memory/4004-140-0x0000000007DC0000-0x000000000843A000-memory.dmp

Filesize
6.5MB

Download
memory/4004-139-0x0000000006770000-0x000000000678E000-memory.dmp

Filesize
120KB

Download
memory/4004-137-0x00000000060D0000-0x0000000006136000-memory.dmp

Filesize
408KB

Download
memory/4820-132-0x0000000000610000-0x0000000000948000-memory.dmp

Filesize
3.2MB

Download
memory/4820-133-0x00000000055E0000-0x0000000005602000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads