bitrat | 91a3c004d88d116d189b401b53d5d99cb4296a026c26619418d4a5aeb4791f65

General

Target

DOCUMENTO PARA AUTORIZAR.exe
Size

3.9MB
MD5

20488b3900a42a7bbdd61f3a19e369a1
SHA1

d5d9140b955120dcbb3e8af34b568330afa1ac4c
SHA256

91a3c004d88d116d189b401b53d5d99cb4296a026c26619418d4a5aeb4791f65
SHA512

530305af3380f8842a28b18d6bbc37a31c0c176047c498ea7de2c59585ee8b6ec9fe9d005f2ef0eeade329e7020c87445491b6d948db08e9412f0841f7f99393

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

uwegcujwhbc.con-ip.com: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

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2000-64-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2000-66-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2000-67-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2000-69-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2000-70-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2000-71-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2000-73-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/2000-76-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

DOCUMENTO PARA AUTORIZAR.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ggbkkybr = "\"C:\\Users\\Admin\\AppData\\Roaming\\Nqxhjok\\Ggbkkybr.exe\""	DOCUMENTO PARA AUTORIZAR.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

InstallUtil.exe

pid process

2000 InstallUtil.exe
2000 InstallUtil.exe
2000 InstallUtil.exe
2000 InstallUtil.exe
2000 InstallUtil.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

DOCUMENTO PARA AUTORIZAR.exe

description pid process target process

PID 1520 set thread context of 2000 1520 DOCUMENTO PARA AUTORIZAR.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.exeDOCUMENTO PARA AUTORIZAR.exe

pid process

1856 powershell.exe
1520 DOCUMENTO PARA AUTORIZAR.exe

pid	process
2000	InstallUtil.exe
2000	InstallUtil.exe
2000	InstallUtil.exe
2000	InstallUtil.exe
2000	InstallUtil.exe

description	pid	process	target process
PID 1520 set thread context of 2000	1520	DOCUMENTO PARA AUTORIZAR.exe	InstallUtil.exe

pid	process
1856	powershell.exe
1520	DOCUMENTO PARA AUTORIZAR.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

DOCUMENTO PARA AUTORIZAR.exepowershell.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1520	DOCUMENTO PARA AUTORIZAR.exe
Token: SeDebugPrivilege	1856	powershell.exe
Token: SeDebugPrivilege	2000	InstallUtil.exe
Token: SeShutdownPrivilege	2000	InstallUtil.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

InstallUtil.exe

pid process

2000 InstallUtil.exe
2000 InstallUtil.exe

pid	process
2000	InstallUtil.exe
2000	InstallUtil.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

DOCUMENTO PARA AUTORIZAR.exe

description	pid	process	target process
PID 1520 wrote to memory of 1856	1520	DOCUMENTO PARA AUTORIZAR.exe	powershell.exe
PID 1520 wrote to memory of 1856	1520	DOCUMENTO PARA AUTORIZAR.exe	powershell.exe
PID 1520 wrote to memory of 1856	1520	DOCUMENTO PARA AUTORIZAR.exe	powershell.exe
PID 1520 wrote to memory of 1856	1520	DOCUMENTO PARA AUTORIZAR.exe	powershell.exe
PID 1520 wrote to memory of 2000	1520	DOCUMENTO PARA AUTORIZAR.exe	InstallUtil.exe
PID 1520 wrote to memory of 2000	1520	DOCUMENTO PARA AUTORIZAR.exe	InstallUtil.exe
PID 1520 wrote to memory of 2000	1520	DOCUMENTO PARA AUTORIZAR.exe	InstallUtil.exe
PID 1520 wrote to memory of 2000	1520	DOCUMENTO PARA AUTORIZAR.exe	InstallUtil.exe
PID 1520 wrote to memory of 2000	1520	DOCUMENTO PARA AUTORIZAR.exe	InstallUtil.exe
PID 1520 wrote to memory of 2000	1520	DOCUMENTO PARA AUTORIZAR.exe	InstallUtil.exe
PID 1520 wrote to memory of 2000	1520	DOCUMENTO PARA AUTORIZAR.exe	InstallUtil.exe
PID 1520 wrote to memory of 2000	1520	DOCUMENTO PARA AUTORIZAR.exe	InstallUtil.exe
PID 1520 wrote to memory of 2000	1520	DOCUMENTO PARA AUTORIZAR.exe	InstallUtil.exe
PID 1520 wrote to memory of 2000	1520	DOCUMENTO PARA AUTORIZAR.exe	InstallUtil.exe
PID 1520 wrote to memory of 2000	1520	DOCUMENTO PARA AUTORIZAR.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\DOCUMENTO PARA AUTORIZAR.exe
"C:\Users\Admin\AppData\Local\Temp\DOCUMENTO PARA AUTORIZAR.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1520

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1856

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:2000

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/1520-54-0x00000000009C0000-0x0000000000DAA000-memory.dmp

Filesize
3.9MB

Download
memory/1520-55-0x0000000004EB0000-0x000000000520C000-memory.dmp

Filesize
3.4MB

Download
memory/1520-56-0x00000000052D0000-0x0000000005446000-memory.dmp

Filesize
1.5MB

Download
memory/1520-57-0x0000000074D61000-0x0000000074D63000-memory.dmp

Filesize
8KB

Download
memory/1856-58-0x0000000000000000-mapping.dmp

Download
memory/1856-60-0x000000006F390000-0x000000006F93B000-memory.dmp

Filesize
5.7MB

Download
memory/1856-61-0x000000006F390000-0x000000006F93B000-memory.dmp

Filesize
5.7MB

Download
memory/1856-62-0x000000006F390000-0x000000006F93B000-memory.dmp

Filesize
5.7MB

Download
memory/2000-63-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2000-64-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2000-66-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2000-67-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2000-68-0x00000000007E2740-mapping.dmp

Download
memory/2000-69-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2000-70-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2000-71-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2000-73-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2000-74-0x0000000000110000-0x000000000011A000-memory.dmp

Filesize
40KB

Download
memory/2000-75-0x0000000000110000-0x000000000011A000-memory.dmp

Filesize
40KB

Download
memory/2000-76-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2000-77-0x0000000000110000-0x000000000011A000-memory.dmp

Filesize
40KB

Download
memory/2000-78-0x0000000000110000-0x000000000011A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads