bitrat | 11f4e9be4a633369d2dac63abff03111b576cbd4c3ca8a083a4343796fd2eed0

General

Target

2781f23530d6a69824ab8f23ec40595d.exe
Size

131KB
MD5

2781f23530d6a69824ab8f23ec40595d
SHA1

95762c6bb48f4669c2d91bde8f4ee43cce0dbd5c
SHA256

11f4e9be4a633369d2dac63abff03111b576cbd4c3ca8a083a4343796fd2eed0
SHA512

6906bde845d2ca3577d72358cf8288d2956b839f0129d0b61dc5099d2814b9a6a75f92783a409517df5bb9fded1298ae798ebfff7f64d6a3629a80b79e7cc2dc

Score

10^/10

bitrat persistence suricata trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

mcowduciush.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 8 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1764-62-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1764-64-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1764-65-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1764-68-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1764-67-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1764-69-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1764-71-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1764-74-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

2781f23530d6a69824ab8f23ec40595d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rzohbwtvp = "\"C:\\Users\\Admin\\AppData\\Roaming\\Azzjb\\Rzohbwtvp.exe\""	2781f23530d6a69824ab8f23ec40595d.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

InstallUtil.exe

pid process

1764 InstallUtil.exe
1764 InstallUtil.exe
1764 InstallUtil.exe
1764 InstallUtil.exe
1764 InstallUtil.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

2781f23530d6a69824ab8f23ec40595d.exe

description pid process target process

PID 1672 set thread context of 1764 1672 2781f23530d6a69824ab8f23ec40595d.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

1992 timeout.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

2781f23530d6a69824ab8f23ec40595d.exe

pid process

1672 2781f23530d6a69824ab8f23ec40595d.exe

pid	process
1764	InstallUtil.exe
1764	InstallUtil.exe
1764	InstallUtil.exe
1764	InstallUtil.exe
1764	InstallUtil.exe

description	pid	process	target process
PID 1672 set thread context of 1764	1672	2781f23530d6a69824ab8f23ec40595d.exe	InstallUtil.exe

pid	process
1992	timeout.exe

pid	process
1672	2781f23530d6a69824ab8f23ec40595d.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

2781f23530d6a69824ab8f23ec40595d.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1672	2781f23530d6a69824ab8f23ec40595d.exe
Token: SeDebugPrivilege	1764	InstallUtil.exe
Token: SeShutdownPrivilege	1764	InstallUtil.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

InstallUtil.exe

pid process

1764 InstallUtil.exe
1764 InstallUtil.exe

pid	process
1764	InstallUtil.exe
1764	InstallUtil.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

2781f23530d6a69824ab8f23ec40595d.execmd.exe

description	pid	process	target process
PID 1672 wrote to memory of 1292	1672	2781f23530d6a69824ab8f23ec40595d.exe	cmd.exe
PID 1672 wrote to memory of 1292	1672	2781f23530d6a69824ab8f23ec40595d.exe	cmd.exe
PID 1672 wrote to memory of 1292	1672	2781f23530d6a69824ab8f23ec40595d.exe	cmd.exe
PID 1672 wrote to memory of 1292	1672	2781f23530d6a69824ab8f23ec40595d.exe	cmd.exe
PID 1292 wrote to memory of 1992	1292	cmd.exe	timeout.exe
PID 1292 wrote to memory of 1992	1292	cmd.exe	timeout.exe
PID 1292 wrote to memory of 1992	1292	cmd.exe	timeout.exe
PID 1292 wrote to memory of 1992	1292	cmd.exe	timeout.exe
PID 1672 wrote to memory of 1764	1672	2781f23530d6a69824ab8f23ec40595d.exe	InstallUtil.exe
PID 1672 wrote to memory of 1764	1672	2781f23530d6a69824ab8f23ec40595d.exe	InstallUtil.exe
PID 1672 wrote to memory of 1764	1672	2781f23530d6a69824ab8f23ec40595d.exe	InstallUtil.exe
PID 1672 wrote to memory of 1764	1672	2781f23530d6a69824ab8f23ec40595d.exe	InstallUtil.exe
PID 1672 wrote to memory of 1764	1672	2781f23530d6a69824ab8f23ec40595d.exe	InstallUtil.exe
PID 1672 wrote to memory of 1764	1672	2781f23530d6a69824ab8f23ec40595d.exe	InstallUtil.exe
PID 1672 wrote to memory of 1764	1672	2781f23530d6a69824ab8f23ec40595d.exe	InstallUtil.exe
PID 1672 wrote to memory of 1764	1672	2781f23530d6a69824ab8f23ec40595d.exe	InstallUtil.exe
PID 1672 wrote to memory of 1764	1672	2781f23530d6a69824ab8f23ec40595d.exe	InstallUtil.exe
PID 1672 wrote to memory of 1764	1672	2781f23530d6a69824ab8f23ec40595d.exe	InstallUtil.exe
PID 1672 wrote to memory of 1764	1672	2781f23530d6a69824ab8f23ec40595d.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\2781f23530d6a69824ab8f23ec40595d.exe
"C:\Users\Admin\AppData\Local\Temp\2781f23530d6a69824ab8f23ec40595d.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1672

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 20
2⤵
- Suspicious use of WriteProcessMemory
PID:1292

C:\Windows\SysWOW64\timeout.exe
timeout 20
3⤵
- Delays execution with timeout.exe
PID:1992

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:1764

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1292-59-0x0000000000000000-mapping.dmp

Download
memory/1672-54-0x00000000009F0000-0x0000000000A16000-memory.dmp

Filesize
152KB

Download
memory/1672-55-0x0000000075B61000-0x0000000075B63000-memory.dmp

Filesize
8KB

Download
memory/1672-56-0x0000000008240000-0x0000000008468000-memory.dmp

Filesize
2.2MB

Download
memory/1672-57-0x0000000008470000-0x0000000008606000-memory.dmp

Filesize
1.6MB

Download
memory/1672-58-0x0000000004910000-0x000000000495C000-memory.dmp

Filesize
304KB

Download
memory/1764-66-0x00000000007E2730-mapping.dmp

Download
memory/1764-72-0x00000000000A0000-0x00000000000AA000-memory.dmp

Filesize
40KB

Download
memory/1764-62-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1764-64-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1764-76-0x00000000000A0000-0x00000000000AA000-memory.dmp

Filesize
40KB

Download
memory/1764-65-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1764-68-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1764-67-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1764-69-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1764-71-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1764-61-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1764-73-0x00000000000A0000-0x00000000000AA000-memory.dmp

Filesize
40KB

Download
memory/1764-74-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1764-75-0x00000000000A0000-0x00000000000AA000-memory.dmp

Filesize
40KB

Download
memory/1992-60-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads