bitrat | 6f6c56d0e723796b5f60dfd53fe0370cc6b33e0f61d3356213b689ea402fdab5

General

Target

ETRANSFER_RECEIPT.exe
Size

300.0MB
MD5

8dac8b61bf8c23264873a3f3bee260f5
SHA1

ba581c38574794324ea714a48671fad7f2384dbe
SHA256

7e4a1f93d53d3962a913e000524344bdcccd6d36d0856b3df38df57d4a8e1df3
SHA512

65ef0b281583e1f8303ff470dc134d8d35ccc394521fd93294cd251220af501137b17d39af91829efe0191e395c2494e1652565895647bf04a46b56fe0eae163

Score

10^/10

bitrat trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

bitrat9300.duckdns.org:9300

Attributes

communication_password
e10adc3949ba59abbe56e057f20f883e
tor_process
tor

Signatures

BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
trojan bitrat
Executes dropped EXE 1 IoCs

Processes:

olkij.exe

pid process

2484 olkij.exe

pid	process
2484	olkij.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3956-138-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/3956-139-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/3956-140-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/3956-141-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/3956-142-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/3956-145-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

RegAsm.exe

pid process

3956 RegAsm.exe
3956 RegAsm.exe
3956 RegAsm.exe
3956 RegAsm.exe
3956 RegAsm.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

ETRANSFER_RECEIPT.exe

description pid process target process

PID 4492 set thread context of 3956 4492 ETRANSFER_RECEIPT.exe RegAsm.exe
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

116 schtasks.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeShutdownPrivilege 3956 RegAsm.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

RegAsm.exe

pid process

3956 RegAsm.exe
3956 RegAsm.exe

pid	process
3956	RegAsm.exe
3956	RegAsm.exe
3956	RegAsm.exe
3956	RegAsm.exe
3956	RegAsm.exe

description	pid	process	target process
PID 4492 set thread context of 3956	4492	ETRANSFER_RECEIPT.exe	RegAsm.exe

pid	process
116	schtasks.exe

description	pid	process
Token: SeShutdownPrivilege	3956	RegAsm.exe

pid	process
3956	RegAsm.exe
3956	RegAsm.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

ETRANSFER_RECEIPT.execmd.exe

description	pid	process	target process
PID 4492 wrote to memory of 2848	4492	ETRANSFER_RECEIPT.exe	cmd.exe
PID 4492 wrote to memory of 2848	4492	ETRANSFER_RECEIPT.exe	cmd.exe
PID 4492 wrote to memory of 2848	4492	ETRANSFER_RECEIPT.exe	cmd.exe
PID 4492 wrote to memory of 440	4492	ETRANSFER_RECEIPT.exe	cmd.exe
PID 4492 wrote to memory of 440	4492	ETRANSFER_RECEIPT.exe	cmd.exe
PID 4492 wrote to memory of 440	4492	ETRANSFER_RECEIPT.exe	cmd.exe
PID 2848 wrote to memory of 116	2848	cmd.exe	schtasks.exe
PID 2848 wrote to memory of 116	2848	cmd.exe	schtasks.exe
PID 2848 wrote to memory of 116	2848	cmd.exe	schtasks.exe
PID 4492 wrote to memory of 3956	4492	ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 4492 wrote to memory of 3956	4492	ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 4492 wrote to memory of 3956	4492	ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 4492 wrote to memory of 3956	4492	ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 4492 wrote to memory of 3956	4492	ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 4492 wrote to memory of 3956	4492	ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 4492 wrote to memory of 3956	4492	ETRANSFER_RECEIPT.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\ETRANSFER_RECEIPT.exe
"C:\Users\Admin\AppData\Local\Temp\ETRANSFER_RECEIPT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4492

C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Local\Temp\olkij.exe'" /f
2⤵
- Suspicious use of WriteProcessMemory
PID:2848

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Local\Temp\olkij.exe'" /f
3⤵
- Creates scheduled task(s)
PID:116

C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\ETRANSFER_RECEIPT.exe" "C:\Users\Admin\AppData\Local\Temp\olkij.exe"
2⤵
PID:440

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3956

C:\Users\Admin\AppData\Local\Temp\olkij.exe
C:\Users\Admin\AppData\Local\Temp\olkij.exe
1⤵
- Executes dropped EXE
PID:2484

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\olkij.exe
Filesize
300.0MB

MD5
8dac8b61bf8c23264873a3f3bee260f5

SHA1
ba581c38574794324ea714a48671fad7f2384dbe

SHA256
7e4a1f93d53d3962a913e000524344bdcccd6d36d0856b3df38df57d4a8e1df3

SHA512
65ef0b281583e1f8303ff470dc134d8d35ccc394521fd93294cd251220af501137b17d39af91829efe0191e395c2494e1652565895647bf04a46b56fe0eae163

Download Submit
C:\Users\Admin\AppData\Local\Temp\olkij.exe
Filesize
300.0MB

MD5
8dac8b61bf8c23264873a3f3bee260f5

SHA1
ba581c38574794324ea714a48671fad7f2384dbe

SHA256
7e4a1f93d53d3962a913e000524344bdcccd6d36d0856b3df38df57d4a8e1df3

SHA512
65ef0b281583e1f8303ff470dc134d8d35ccc394521fd93294cd251220af501137b17d39af91829efe0191e395c2494e1652565895647bf04a46b56fe0eae163

Download Submit
memory/116-136-0x0000000000000000-mapping.dmp

Download
memory/440-135-0x0000000000000000-mapping.dmp

Download
memory/2848-134-0x0000000000000000-mapping.dmp

Download
memory/3956-140-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3956-138-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3956-139-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3956-141-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3956-142-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3956-143-0x0000000074270000-0x00000000742A9000-memory.dmp

Filesize
228KB

Download
memory/3956-144-0x0000000074610000-0x0000000074649000-memory.dmp

Filesize
228KB

Download
memory/3956-145-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3956-137-0x0000000000000000-mapping.dmp

Download
memory/4492-132-0x0000000000C70000-0x0000000000DFA000-memory.dmp

Filesize
1.5MB

Download
memory/4492-133-0x0000000005F60000-0x0000000006504000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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