bitrat | a74a193f0864f96cb4a8a49c01495cd2e6223893e832c494a70cba3d0e9b765c

General

Target

Juicio No 17292201700138, PRIMERA INSTANCIA.exe
Size

292KB
MD5

c7ef2678503427b2196bcd3043228fda
SHA1

2939b316e7c6b30ca7b298bbbaf8cad789a92bc1
SHA256

a74a193f0864f96cb4a8a49c01495cd2e6223893e832c494a70cba3d0e9b765c
SHA512

697f21ec76268ad48d34ff07a5b647e86c2138c66e909e5b185651e9674047689757d2d646a57d2fdb297b6828c46e29ce3882fc04f59afc770d9b2d544b0e2c

Score

10^/10

bitrat suricata trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

positivoooooo.duckdns.org:3005

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 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1724-150-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/1724-151-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/1724-152-0x0000000000400000-0x00000000007E4000-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:

Juicio No 17292201700138, PRIMERA INSTANCIA.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	Juicio No 17292201700138, PRIMERA INSTANCIA.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

InstallUtil.exe

pid process

1724 InstallUtil.exe
1724 InstallUtil.exe
1724 InstallUtil.exe
1724 InstallUtil.exe
1724 InstallUtil.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Juicio No 17292201700138, PRIMERA INSTANCIA.exe

description pid process target process

PID 1764 set thread context of 1724 1764 Juicio No 17292201700138, PRIMERA INSTANCIA.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

pid	process
1724	InstallUtil.exe
1724	InstallUtil.exe
1724	InstallUtil.exe
1724	InstallUtil.exe
1724	InstallUtil.exe

description	pid	process	target process
PID 1764 set thread context of 1724	1764	Juicio No 17292201700138, PRIMERA INSTANCIA.exe	InstallUtil.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotification.exe

description	ioc	process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotification.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotification.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1224 timeout.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeJuicio No 17292201700138, PRIMERA INSTANCIA.exe

pid process

2784 powershell.exe
2784 powershell.exe
1764 Juicio No 17292201700138, PRIMERA INSTANCIA.exe
1764 Juicio No 17292201700138, PRIMERA INSTANCIA.exe

pid	process
1224	timeout.exe

pid	process
2784	powershell.exe
2784	powershell.exe
1764	Juicio No 17292201700138, PRIMERA INSTANCIA.exe
1764	Juicio No 17292201700138, PRIMERA INSTANCIA.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

Juicio No 17292201700138, PRIMERA INSTANCIA.exepowershell.exeMusNotification.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1764	Juicio No 17292201700138, PRIMERA INSTANCIA.exe
Token: SeDebugPrivilege	2784	powershell.exe
Token: SeShutdownPrivilege	3392	MusNotification.exe
Token: SeCreatePagefilePrivilege	3392	MusNotification.exe
Token: SeShutdownPrivilege	1724	InstallUtil.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

InstallUtil.exe

pid process

1724 InstallUtil.exe
1724 InstallUtil.exe

pid	process
1724	InstallUtil.exe
1724	InstallUtil.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Juicio No 17292201700138, PRIMERA INSTANCIA.exepowershell.execmd.exe

description	pid	process	target process
PID 1764 wrote to memory of 2784	1764	Juicio No 17292201700138, PRIMERA INSTANCIA.exe	powershell.exe
PID 1764 wrote to memory of 2784	1764	Juicio No 17292201700138, PRIMERA INSTANCIA.exe	powershell.exe
PID 1764 wrote to memory of 2784	1764	Juicio No 17292201700138, PRIMERA INSTANCIA.exe	powershell.exe
PID 2784 wrote to memory of 660	2784	powershell.exe	cmd.exe
PID 2784 wrote to memory of 660	2784	powershell.exe	cmd.exe
PID 2784 wrote to memory of 660	2784	powershell.exe	cmd.exe
PID 660 wrote to memory of 1224	660	cmd.exe	timeout.exe
PID 660 wrote to memory of 1224	660	cmd.exe	timeout.exe
PID 660 wrote to memory of 1224	660	cmd.exe	timeout.exe
PID 1764 wrote to memory of 1724	1764	Juicio No 17292201700138, PRIMERA INSTANCIA.exe	InstallUtil.exe
PID 1764 wrote to memory of 1724	1764	Juicio No 17292201700138, PRIMERA INSTANCIA.exe	InstallUtil.exe
PID 1764 wrote to memory of 1724	1764	Juicio No 17292201700138, PRIMERA INSTANCIA.exe	InstallUtil.exe
PID 1764 wrote to memory of 1724	1764	Juicio No 17292201700138, PRIMERA INSTANCIA.exe	InstallUtil.exe
PID 1764 wrote to memory of 1724	1764	Juicio No 17292201700138, PRIMERA INSTANCIA.exe	InstallUtil.exe
PID 1764 wrote to memory of 1724	1764	Juicio No 17292201700138, PRIMERA INSTANCIA.exe	InstallUtil.exe
PID 1764 wrote to memory of 1724	1764	Juicio No 17292201700138, PRIMERA INSTANCIA.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\Juicio No 17292201700138, PRIMERA INSTANCIA.exe
"C:\Users\Admin\AppData\Local\Temp\Juicio No 17292201700138, PRIMERA INSTANCIA.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1764

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc YwBtAGQAIAAvAGMAIAB0AGkAbQBlAG8AdQB0ACAAMQA5AA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2784

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c timeout 19
3⤵
- Suspicious use of WriteProcessMemory
PID:660

C:\Windows\SysWOW64\timeout.exe
timeout 19
4⤵
- Delays execution with timeout.exe
PID:1224

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:1724

C:\Windows\system32\MusNotification.exe
C:\Windows\system32\MusNotification.exe
1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:3392

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/660-144-0x0000000000000000-mapping.dmp

Download
memory/1224-145-0x0000000000000000-mapping.dmp

Download
memory/1724-152-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1724-151-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1724-150-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1724-149-0x0000000000000000-mapping.dmp

Download
memory/1764-131-0x0000000000050000-0x000000000009E000-memory.dmp

Filesize
312KB

Download
memory/1764-132-0x0000000004AF0000-0x0000000004AF1000-memory.dmp

Filesize
4KB

Download
memory/1764-130-0x0000000000050000-0x000000000009E000-memory.dmp

Filesize
312KB

Download
memory/1764-148-0x0000000000910000-0x00000000009A2000-memory.dmp

Filesize
584KB

Download
memory/2784-135-0x0000000004E70000-0x0000000004E71000-memory.dmp

Filesize
4KB

Download
memory/2784-141-0x0000000007CC0000-0x0000000007D26000-memory.dmp

Filesize
408KB

Download
memory/2784-142-0x0000000007D30000-0x0000000007D96000-memory.dmp

Filesize
408KB

Download
memory/2784-143-0x0000000008560000-0x000000000857E000-memory.dmp

Filesize
120KB

Download
memory/2784-140-0x00000000074B0000-0x00000000074D2000-memory.dmp

Filesize
136KB

Download
memory/2784-139-0x0000000007620000-0x0000000007C48000-memory.dmp

Filesize
6.2MB

Download
memory/2784-146-0x0000000004E70000-0x0000000004E71000-memory.dmp

Filesize
4KB

Download
memory/2784-147-0x0000000006F65000-0x0000000006F67000-memory.dmp

Filesize
8KB

Download
memory/2784-138-0x0000000006F62000-0x0000000006F63000-memory.dmp

Filesize
4KB

Download
memory/2784-137-0x0000000006F60000-0x0000000006F61000-memory.dmp

Filesize
4KB

Download
memory/2784-136-0x0000000006FB0000-0x0000000006FE6000-memory.dmp

Filesize
216KB

Download
memory/2784-134-0x0000000004E70000-0x0000000004E71000-memory.dmp

Filesize
4KB

Download
memory/2784-133-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads