bitrat | a5463d144af0f2c9e1725f7a6c520977986bad3c3e3c3feb344b08b98c795c73

General

Target

21b9d51376efde8b0b9253c0b32e8bf5.exe
Size

36KB
MD5

21b9d51376efde8b0b9253c0b32e8bf5
SHA1

c7bbca83797e5a71e071b2f1d3eda5147e99ffa2
SHA256

a5463d144af0f2c9e1725f7a6c520977986bad3c3e3c3feb344b08b98c795c73
SHA512

ea10342a206bb1cf8ef606e61a2b3b70404c78ce3beb272957e8d0c0bf762140799c4d79aca0255120703d8e47b6e90338d97f7a80c2c220127ff494074751b9

Score

10^/10

bitrat persistence suricata trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

gfeqqgeag.duckdns.org:1880

Attributes

communication_password
202cb962ac59075b964b07152d234b70
tor_process
tor

Signatures

BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
trojan bitrat
suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
suricata

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2584-145-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2584-146-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2584-147-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2584-148-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2584-149-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2584-152-0x0000000000400000-0x00000000007E4000-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:

21b9d51376efde8b0b9253c0b32e8bf5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	21b9d51376efde8b0b9253c0b32e8bf5.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

21b9d51376efde8b0b9253c0b32e8bf5.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\spotify = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ndvzfed\\spotify.exe\""	21b9d51376efde8b0b9253c0b32e8bf5.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

InstallUtil.exe

pid process

2584 InstallUtil.exe
2584 InstallUtil.exe
2584 InstallUtil.exe
2584 InstallUtil.exe
2584 InstallUtil.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

21b9d51376efde8b0b9253c0b32e8bf5.exe

description pid process target process

PID 3536 set thread context of 2584 3536 21b9d51376efde8b0b9253c0b32e8bf5.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
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2384 timeout.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exe21b9d51376efde8b0b9253c0b32e8bf5.exe

pid process

3172 powershell.exe
3172 powershell.exe
3536 21b9d51376efde8b0b9253c0b32e8bf5.exe
3536 21b9d51376efde8b0b9253c0b32e8bf5.exe

pid	process
2584	InstallUtil.exe
2584	InstallUtil.exe
2584	InstallUtil.exe
2584	InstallUtil.exe
2584	InstallUtil.exe

description	pid	process	target process
PID 3536 set thread context of 2584	3536	21b9d51376efde8b0b9253c0b32e8bf5.exe	InstallUtil.exe

pid	process
2384	timeout.exe

pid	process
3172	powershell.exe
3172	powershell.exe
3536	21b9d51376efde8b0b9253c0b32e8bf5.exe
3536	21b9d51376efde8b0b9253c0b32e8bf5.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

21b9d51376efde8b0b9253c0b32e8bf5.exepowershell.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	3536	21b9d51376efde8b0b9253c0b32e8bf5.exe
Token: SeDebugPrivilege	3172	powershell.exe
Token: SeShutdownPrivilege	2584	InstallUtil.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

InstallUtil.exe

pid process

2584 InstallUtil.exe
2584 InstallUtil.exe

pid	process
2584	InstallUtil.exe
2584	InstallUtil.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

21b9d51376efde8b0b9253c0b32e8bf5.execmd.exe

description	pid	process	target process
PID 3536 wrote to memory of 3172	3536	21b9d51376efde8b0b9253c0b32e8bf5.exe	powershell.exe
PID 3536 wrote to memory of 3172	3536	21b9d51376efde8b0b9253c0b32e8bf5.exe	powershell.exe
PID 3536 wrote to memory of 3172	3536	21b9d51376efde8b0b9253c0b32e8bf5.exe	powershell.exe
PID 3536 wrote to memory of 228	3536	21b9d51376efde8b0b9253c0b32e8bf5.exe	cmd.exe
PID 3536 wrote to memory of 228	3536	21b9d51376efde8b0b9253c0b32e8bf5.exe	cmd.exe
PID 3536 wrote to memory of 228	3536	21b9d51376efde8b0b9253c0b32e8bf5.exe	cmd.exe
PID 228 wrote to memory of 2384	228	cmd.exe	timeout.exe
PID 228 wrote to memory of 2384	228	cmd.exe	timeout.exe
PID 228 wrote to memory of 2384	228	cmd.exe	timeout.exe
PID 3536 wrote to memory of 2584	3536	21b9d51376efde8b0b9253c0b32e8bf5.exe	InstallUtil.exe
PID 3536 wrote to memory of 2584	3536	21b9d51376efde8b0b9253c0b32e8bf5.exe	InstallUtil.exe
PID 3536 wrote to memory of 2584	3536	21b9d51376efde8b0b9253c0b32e8bf5.exe	InstallUtil.exe
PID 3536 wrote to memory of 2584	3536	21b9d51376efde8b0b9253c0b32e8bf5.exe	InstallUtil.exe
PID 3536 wrote to memory of 2584	3536	21b9d51376efde8b0b9253c0b32e8bf5.exe	InstallUtil.exe
PID 3536 wrote to memory of 2584	3536	21b9d51376efde8b0b9253c0b32e8bf5.exe	InstallUtil.exe
PID 3536 wrote to memory of 2584	3536	21b9d51376efde8b0b9253c0b32e8bf5.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\21b9d51376efde8b0b9253c0b32e8bf5.exe
"C:\Users\Admin\AppData\Local\Temp\21b9d51376efde8b0b9253c0b32e8bf5.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3536

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3172

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 20
2⤵
- Suspicious use of WriteProcessMemory
PID:228

C:\Windows\SysWOW64\timeout.exe
timeout 20
3⤵
- Delays execution with timeout.exe
PID:2384

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2584

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/228-142-0x0000000000000000-mapping.dmp

Download
memory/2384-143-0x0000000000000000-mapping.dmp

Download
memory/2584-148-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2584-154-0x0000000074D00000-0x0000000074D39000-memory.dmp

Filesize
228KB

Download
memory/2584-153-0x0000000074980000-0x00000000749B9000-memory.dmp

Filesize
228KB

Download
memory/2584-152-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2584-151-0x0000000074D00000-0x0000000074D39000-memory.dmp

Filesize
228KB

Download
memory/2584-150-0x0000000074980000-0x00000000749B9000-memory.dmp

Filesize
228KB

Download
memory/2584-149-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2584-147-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2584-146-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2584-144-0x0000000000000000-mapping.dmp

Download
memory/2584-145-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3172-138-0x0000000006AA0000-0x0000000006AE4000-memory.dmp

Filesize
272KB

Download
memory/3172-141-0x00000000076B0000-0x00000000076CA000-memory.dmp

Filesize
104KB

Download
memory/3172-134-0x0000000005540000-0x0000000005562000-memory.dmp

Filesize
136KB

Download
memory/3172-140-0x0000000007D10000-0x000000000838A000-memory.dmp

Filesize
6.5MB

Download
memory/3172-139-0x0000000007610000-0x0000000007686000-memory.dmp

Filesize
472KB

Download
memory/3172-133-0x0000000005700000-0x0000000005D28000-memory.dmp

Filesize
6.2MB

Download
memory/3172-137-0x00000000064E0000-0x00000000064FE000-memory.dmp

Filesize
120KB

Download
memory/3172-136-0x0000000005EA0000-0x0000000005F06000-memory.dmp

Filesize
408KB

Download
memory/3172-135-0x0000000005E30000-0x0000000005E96000-memory.dmp

Filesize
408KB

Download
memory/3172-132-0x0000000002F40000-0x0000000002F76000-memory.dmp

Filesize
216KB

Download
memory/3172-131-0x0000000000000000-mapping.dmp

Download
memory/3536-130-0x0000000000F50000-0x0000000000F5E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads