bitrat | dc9ddeb5493a529530acf29a62a5de10bef65ffb22ebea264818058bf9223ae6

General

Target

9618345aad276496e7d33d390a0cdf5e.exe
Size

322KB
MD5

9618345aad276496e7d33d390a0cdf5e
SHA1

49ea625e58a17a1992c767fc7afb137dbfd0419a
SHA256

dc9ddeb5493a529530acf29a62a5de10bef65ffb22ebea264818058bf9223ae6
SHA512

9c4d96bba45a6e589d597277d8454a89781a53b0b6419b4f4ef04f02576a424f7efdc5a9c4f5a426742544d6d054b1ab14aebad6a6a6a355c8c3a0345778ca6d

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

20deenero.con-ip.com:3005

Attributes

communication_password
202cb962ac59075b964b07152d234b70
install_dir
AppData
install_file
chrome.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
Sets service image path in registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2976-146-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2976-147-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2976-148-0x0000000000400000-0x00000000007E4000-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:

9618345aad276496e7d33d390a0cdf5e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	9618345aad276496e7d33d390a0cdf5e.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegAsm.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chrome = "C:\\Users\\Admin\\AppData\\Local\\AppData\\chrome.exe먀"	RegAsm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chrome = "C:\\Users\\Admin\\AppData\\Local\\AppData\\chrome.exe"	RegAsm.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

RegAsm.exe

pid process

2976 RegAsm.exe
2976 RegAsm.exe
2976 RegAsm.exe
2976 RegAsm.exe
2976 RegAsm.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

9618345aad276496e7d33d390a0cdf5e.exe

description pid process target process

PID 3136 set thread context of 2976 3136 9618345aad276496e7d33d390a0cdf5e.exe RegAsm.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
2976	RegAsm.exe
2976	RegAsm.exe
2976	RegAsm.exe
2976	RegAsm.exe
2976	RegAsm.exe

description	pid	process	target process
PID 3136 set thread context of 2976	3136	9618345aad276496e7d33d390a0cdf5e.exe	RegAsm.exe

Modifies data under HKEY_USERS 41 IoCs

Processes:

WaaSMedicAgent.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe

Runs ping.exe 1 TTPs 5 IoCs

Remote System Discovery
T1018

Processes:

PING.EXEPING.EXEPING.EXEPING.EXEPING.EXE

pid process

2936 PING.EXE
3904 PING.EXE
3888 PING.EXE
2796 PING.EXE
752 PING.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exe9618345aad276496e7d33d390a0cdf5e.exe

pid process

3044 powershell.exe
3044 powershell.exe
3136 9618345aad276496e7d33d390a0cdf5e.exe
3136 9618345aad276496e7d33d390a0cdf5e.exe

pid	process
2936	PING.EXE
3904	PING.EXE
3888	PING.EXE
2796	PING.EXE
752	PING.EXE

pid	process
3044	powershell.exe
3044	powershell.exe
3136	9618345aad276496e7d33d390a0cdf5e.exe
3136	9618345aad276496e7d33d390a0cdf5e.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

9618345aad276496e7d33d390a0cdf5e.exepowershell.exeRegAsm.exe

description	pid	process
Token: SeDebugPrivilege	3136	9618345aad276496e7d33d390a0cdf5e.exe
Token: SeDebugPrivilege	3044	powershell.exe
Token: SeShutdownPrivilege	2976	RegAsm.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

RegAsm.exe

pid process

2976 RegAsm.exe
2976 RegAsm.exe

pid	process
2976	RegAsm.exe
2976	RegAsm.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

9618345aad276496e7d33d390a0cdf5e.exepowershell.exe

description	pid	process	target process
PID 3136 wrote to memory of 3044	3136	9618345aad276496e7d33d390a0cdf5e.exe	powershell.exe
PID 3136 wrote to memory of 3044	3136	9618345aad276496e7d33d390a0cdf5e.exe	powershell.exe
PID 3136 wrote to memory of 3044	3136	9618345aad276496e7d33d390a0cdf5e.exe	powershell.exe
PID 3044 wrote to memory of 2936	3044	powershell.exe	PING.EXE
PID 3044 wrote to memory of 2936	3044	powershell.exe	PING.EXE
PID 3044 wrote to memory of 2936	3044	powershell.exe	PING.EXE
PID 3044 wrote to memory of 3904	3044	powershell.exe	PING.EXE
PID 3044 wrote to memory of 3904	3044	powershell.exe	PING.EXE
PID 3044 wrote to memory of 3904	3044	powershell.exe	PING.EXE
PID 3044 wrote to memory of 3888	3044	powershell.exe	PING.EXE
PID 3044 wrote to memory of 3888	3044	powershell.exe	PING.EXE
PID 3044 wrote to memory of 3888	3044	powershell.exe	PING.EXE
PID 3044 wrote to memory of 2796	3044	powershell.exe	PING.EXE
PID 3044 wrote to memory of 2796	3044	powershell.exe	PING.EXE
PID 3044 wrote to memory of 2796	3044	powershell.exe	PING.EXE
PID 3044 wrote to memory of 752	3044	powershell.exe	PING.EXE
PID 3044 wrote to memory of 752	3044	powershell.exe	PING.EXE
PID 3044 wrote to memory of 752	3044	powershell.exe	PING.EXE
PID 3136 wrote to memory of 2976	3136	9618345aad276496e7d33d390a0cdf5e.exe	RegAsm.exe
PID 3136 wrote to memory of 2976	3136	9618345aad276496e7d33d390a0cdf5e.exe	RegAsm.exe
PID 3136 wrote to memory of 2976	3136	9618345aad276496e7d33d390a0cdf5e.exe	RegAsm.exe
PID 3136 wrote to memory of 2976	3136	9618345aad276496e7d33d390a0cdf5e.exe	RegAsm.exe
PID 3136 wrote to memory of 2976	3136	9618345aad276496e7d33d390a0cdf5e.exe	RegAsm.exe
PID 3136 wrote to memory of 2976	3136	9618345aad276496e7d33d390a0cdf5e.exe	RegAsm.exe
PID 3136 wrote to memory of 2976	3136	9618345aad276496e7d33d390a0cdf5e.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\9618345aad276496e7d33d390a0cdf5e.exe
"C:\Users\Admin\AppData\Local\Temp\9618345aad276496e7d33d390a0cdf5e.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3136

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc cABpAG4AZwAgAHkAYQBoAG8AbwAuAGMAbwBtADsAIABwAGkAbgBnACAAeQBhAGgAbwBvAC4AYwBvAG0AOwBwAGkAbgBnACAAeQBhAGgAbwBvAC4AYwBvAG0AOwBwAGkAbgBnACAAeQBhAGgAbwBvAC4AYwBvAG0AOwBwAGkAbgBnACAAeQBhAGgAbwBvAC4AYwBvAG0AOwA=
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3044

C:\Windows\SysWOW64\PING.EXE
"C:\Windows\system32\PING.EXE" yahoo.com
3⤵
- Runs ping.exe
PID:2936

C:\Windows\SysWOW64\PING.EXE
"C:\Windows\system32\PING.EXE" yahoo.com
3⤵
- Runs ping.exe
PID:3904

C:\Windows\SysWOW64\PING.EXE
"C:\Windows\system32\PING.EXE" yahoo.com
3⤵
- Runs ping.exe
PID:3888

C:\Windows\SysWOW64\PING.EXE
"C:\Windows\system32\PING.EXE" yahoo.com
3⤵
- Runs ping.exe
PID:2796

C:\Windows\SysWOW64\PING.EXE
"C:\Windows\system32\PING.EXE" yahoo.com
3⤵
- Runs ping.exe
PID:752

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2976

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p
1⤵
PID:4068

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe 516a9d917831f66a68ddb3153029cea6 7csonUkDqECE4mvr7GdPcg.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:3024

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2976-146-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2976-148-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2976-147-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3044-140-0x0000000007850000-0x00000000078B6000-memory.dmp

Filesize
408KB

Download
memory/3044-136-0x0000000007950000-0x0000000007F78000-memory.dmp

Filesize
6.2MB

Download
memory/3044-137-0x0000000004E72000-0x0000000004E73000-memory.dmp

Filesize
4KB

Download
memory/3044-138-0x0000000007640000-0x0000000007662000-memory.dmp

Filesize
136KB

Download
memory/3044-139-0x00000000077E0000-0x0000000007846000-memory.dmp

Filesize
408KB

Download
memory/3044-141-0x0000000008770000-0x000000000878E000-memory.dmp

Filesize
120KB

Download
memory/3044-135-0x0000000004E70000-0x0000000004E71000-memory.dmp

Filesize
4KB

Download
memory/3044-134-0x0000000004E00000-0x0000000004E36000-memory.dmp

Filesize
216KB

Download
memory/3136-130-0x00000000003E0000-0x0000000000438000-memory.dmp

Filesize
352KB

Download
memory/3136-143-0x0000000004CD0000-0x0000000005274000-memory.dmp

Filesize
5.6MB

Download
memory/3136-144-0x0000000004E40000-0x0000000004E4A000-memory.dmp

Filesize
40KB

Download
memory/3136-145-0x0000000006600000-0x0000000006692000-memory.dmp

Filesize
584KB

Download
memory/3136-131-0x0000000005280000-0x0000000005824000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads