bitrat | 22bbb0c90d11a8aea61709701f1270ca3de868e46d0f762f1525a1a00bc8d05b

General

Target

IMG-32023024233.exe
Size

3.2MB
MD5

828a3bdeb4a401a7134e2e3450e414a7
SHA1

fa2981aa88dbd1acc82a337c9f50104ecb302720
SHA256

22bbb0c90d11a8aea61709701f1270ca3de868e46d0f762f1525a1a00bc8d05b
SHA512

b35211e6fc02350e0c73623a77af38552c30dacf5dc63075081773664aaebe05e58e1600785282716b2d48da6a44799683a4c40a47882cbee93e5e5380bd5e5a
SSDEEP

98304:WkollwJKaDlROGpTxbqbxQ9DcCKcnnRfgu:WkUlwJKa50+N5lRz

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

fwucbuhdbcuh.con-ip.com:1880

Attributes

communication_password
202cb962ac59075b964b07152d234b70
install_dir
AppData
install_file
Discord.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

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/956-63-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/956-65-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/956-66-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/956-68-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/956-69-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/956-70-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/956-72-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/956-75-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

IMG-32023024233.exeInstallUtil.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\chrome = "\"C:\\Users\\Admin\\AppData\\Roaming\\Tzkhcuxy\\chrome.exe\""	IMG-32023024233.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Discord = "C:\\Users\\Admin\\AppData\\Local\\AppData\\Discord.exe"	InstallUtil.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

InstallUtil.exe

pid process

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

Processes:

IMG-32023024233.exe

description pid process target process

PID 1100 set thread context of 956 1100 IMG-32023024233.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 1 IoCs

Processes:

powershell.exe

pid process

1708 powershell.exe

pid	process
956	InstallUtil.exe
956	InstallUtil.exe
956	InstallUtil.exe
956	InstallUtil.exe
956	InstallUtil.exe

description	pid	process	target process
PID 1100 set thread context of 956	1100	IMG-32023024233.exe	InstallUtil.exe

pid	process
1708	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exeIMG-32023024233.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1708	powershell.exe
Token: SeDebugPrivilege	1100	IMG-32023024233.exe
Token: SeDebugPrivilege	956	InstallUtil.exe
Token: SeShutdownPrivilege	956	InstallUtil.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

InstallUtil.exe

pid process

956 InstallUtil.exe
956 InstallUtil.exe

pid	process
956	InstallUtil.exe
956	InstallUtil.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

IMG-32023024233.exe

description	pid	process	target process
PID 1100 wrote to memory of 1708	1100	IMG-32023024233.exe	powershell.exe
PID 1100 wrote to memory of 1708	1100	IMG-32023024233.exe	powershell.exe
PID 1100 wrote to memory of 1708	1100	IMG-32023024233.exe	powershell.exe
PID 1100 wrote to memory of 1708	1100	IMG-32023024233.exe	powershell.exe
PID 1100 wrote to memory of 956	1100	IMG-32023024233.exe	InstallUtil.exe
PID 1100 wrote to memory of 956	1100	IMG-32023024233.exe	InstallUtil.exe
PID 1100 wrote to memory of 956	1100	IMG-32023024233.exe	InstallUtil.exe
PID 1100 wrote to memory of 956	1100	IMG-32023024233.exe	InstallUtil.exe
PID 1100 wrote to memory of 956	1100	IMG-32023024233.exe	InstallUtil.exe
PID 1100 wrote to memory of 956	1100	IMG-32023024233.exe	InstallUtil.exe
PID 1100 wrote to memory of 956	1100	IMG-32023024233.exe	InstallUtil.exe
PID 1100 wrote to memory of 956	1100	IMG-32023024233.exe	InstallUtil.exe
PID 1100 wrote to memory of 956	1100	IMG-32023024233.exe	InstallUtil.exe
PID 1100 wrote to memory of 956	1100	IMG-32023024233.exe	InstallUtil.exe
PID 1100 wrote to memory of 956	1100	IMG-32023024233.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\IMG-32023024233.exe
"C:\Users\Admin\AppData\Local\Temp\IMG-32023024233.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1100

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1708

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:956

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/956-72-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/956-65-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/956-67-0x00000000007E2750-mapping.dmp

Download
memory/956-68-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/956-66-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/956-77-0x0000000000280000-0x000000000028A000-memory.dmp

Filesize
40KB

Download
memory/956-74-0x0000000000280000-0x000000000028A000-memory.dmp

Filesize
40KB

Download
memory/956-62-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/956-63-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/956-75-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/956-73-0x0000000000280000-0x000000000028A000-memory.dmp

Filesize
40KB

Download
memory/956-76-0x0000000000280000-0x000000000028A000-memory.dmp

Filesize
40KB

Download
memory/956-70-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/956-69-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1100-57-0x0000000000BD0000-0x0000000000C62000-memory.dmp

Filesize
584KB

Download
memory/1100-54-0x00000000012A0000-0x00000000015D8000-memory.dmp

Filesize
3.2MB

Download
memory/1100-56-0x00000000763F1000-0x00000000763F3000-memory.dmp

Filesize
8KB

Download
memory/1100-55-0x0000000004BE0000-0x0000000004DEA000-memory.dmp

Filesize
2.0MB

Download
memory/1708-61-0x0000000070010000-0x00000000705BB000-memory.dmp

Filesize
5.7MB

Download
memory/1708-58-0x0000000000000000-mapping.dmp

Download
memory/1708-60-0x0000000070010000-0x00000000705BB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads