bitrat | 8198d59461dfb08d7a350333d1459231543c6a29e8db7c31fd14850868a75a38

General

Target

NAMUJS_ETRANSFER_RECEIPT.exe
Size

300.0MB
MD5

aa16895db009a8b646bb9c51f9b51c58
SHA1

014b372bc0620fb1173679abb7c189d0464ce208
SHA256

72656944adc7c9dabbc263d8a1c7f79ff6d0b6a3b06a11f88b741977c5e4f751
SHA512

4411e718c124059044ab7fbe54f3fefa76c9d5cd2263c4214c70a498d681f87f2804aef0e8c94b630fadf9470d5e804702349ab21fafa512a368d90424d8e29b
SSDEEP

24576:GzEo/IReVjVaXcqqza/KkJVWpcpr8lCGyi2FBGbZLipIjJ7Fb5DIoN3EtO:GziCYXKzyKkJM8r8lXyEGpIjJ73jtEt

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

4632 olkij.exe

pid	process
4632	olkij.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1308-138-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/1308-139-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/1308-140-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/1308-141-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/1308-142-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/1308-145-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

RegAsm.exe

pid process

1308 RegAsm.exe
1308 RegAsm.exe
1308 RegAsm.exe
1308 RegAsm.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

NAMUJS_ETRANSFER_RECEIPT.exe

description pid process target process

PID 5068 set thread context of 1308 5068 NAMUJS_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

2276 schtasks.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeShutdownPrivilege 1308 RegAsm.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

RegAsm.exe

pid process

1308 RegAsm.exe
1308 RegAsm.exe

pid	process
1308	RegAsm.exe
1308	RegAsm.exe
1308	RegAsm.exe
1308	RegAsm.exe

description	pid	process	target process
PID 5068 set thread context of 1308	5068	NAMUJS_ETRANSFER_RECEIPT.exe	RegAsm.exe

pid	process
2276	schtasks.exe

description	pid	process
Token: SeShutdownPrivilege	1308	RegAsm.exe

pid	process
1308	RegAsm.exe
1308	RegAsm.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

NAMUJS_ETRANSFER_RECEIPT.execmd.exe

description	pid	process	target process
PID 5068 wrote to memory of 1660	5068	NAMUJS_ETRANSFER_RECEIPT.exe	cmd.exe
PID 5068 wrote to memory of 1660	5068	NAMUJS_ETRANSFER_RECEIPT.exe	cmd.exe
PID 5068 wrote to memory of 1660	5068	NAMUJS_ETRANSFER_RECEIPT.exe	cmd.exe
PID 5068 wrote to memory of 1708	5068	NAMUJS_ETRANSFER_RECEIPT.exe	cmd.exe
PID 5068 wrote to memory of 1708	5068	NAMUJS_ETRANSFER_RECEIPT.exe	cmd.exe
PID 5068 wrote to memory of 1708	5068	NAMUJS_ETRANSFER_RECEIPT.exe	cmd.exe
PID 1660 wrote to memory of 2276	1660	cmd.exe	schtasks.exe
PID 1660 wrote to memory of 2276	1660	cmd.exe	schtasks.exe
PID 1660 wrote to memory of 2276	1660	cmd.exe	schtasks.exe
PID 5068 wrote to memory of 1308	5068	NAMUJS_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 5068 wrote to memory of 1308	5068	NAMUJS_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 5068 wrote to memory of 1308	5068	NAMUJS_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 5068 wrote to memory of 1308	5068	NAMUJS_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 5068 wrote to memory of 1308	5068	NAMUJS_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 5068 wrote to memory of 1308	5068	NAMUJS_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 5068 wrote to memory of 1308	5068	NAMUJS_ETRANSFER_RECEIPT.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\NAMUJS_ETRANSFER_RECEIPT.exe
"C:\Users\Admin\AppData\Local\Temp\NAMUJS_ETRANSFER_RECEIPT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5068

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:1660

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:2276

C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\NAMUJS_ETRANSFER_RECEIPT.exe" "C:\Users\Admin\AppData\Local\Temp\olkij.exe"
2⤵
PID:1708

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:1308

C:\Users\Admin\AppData\Local\Temp\olkij.exe
C:\Users\Admin\AppData\Local\Temp\olkij.exe
1⤵
- Executes dropped EXE
PID:4632

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
aa16895db009a8b646bb9c51f9b51c58

SHA1
014b372bc0620fb1173679abb7c189d0464ce208

SHA256
72656944adc7c9dabbc263d8a1c7f79ff6d0b6a3b06a11f88b741977c5e4f751

SHA512
4411e718c124059044ab7fbe54f3fefa76c9d5cd2263c4214c70a498d681f87f2804aef0e8c94b630fadf9470d5e804702349ab21fafa512a368d90424d8e29b

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

Filesize
300.0MB

MD5
aa16895db009a8b646bb9c51f9b51c58

SHA1
014b372bc0620fb1173679abb7c189d0464ce208

SHA256
72656944adc7c9dabbc263d8a1c7f79ff6d0b6a3b06a11f88b741977c5e4f751

SHA512
4411e718c124059044ab7fbe54f3fefa76c9d5cd2263c4214c70a498d681f87f2804aef0e8c94b630fadf9470d5e804702349ab21fafa512a368d90424d8e29b

Download Submit
memory/1308-144-0x0000000074820000-0x0000000074859000-memory.dmp

Filesize
228KB

Download
memory/1308-143-0x0000000074480000-0x00000000744B9000-memory.dmp

Filesize
228KB

Download
memory/1308-150-0x0000000074560000-0x0000000074599000-memory.dmp

Filesize
228KB

Download
memory/1308-137-0x0000000000000000-mapping.dmp

Download
memory/1308-138-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1308-139-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1308-140-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1308-141-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1308-142-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1308-149-0x0000000074560000-0x0000000074599000-memory.dmp

Filesize
228KB

Download
memory/1308-146-0x0000000074820000-0x0000000074859000-memory.dmp

Filesize
228KB

Download
memory/1308-145-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1660-134-0x0000000000000000-mapping.dmp

Download
memory/1708-135-0x0000000000000000-mapping.dmp

Download
memory/2276-136-0x0000000000000000-mapping.dmp

Download
memory/5068-132-0x0000000000670000-0x00000000007FA000-memory.dmp

Filesize
1.5MB

Download
memory/5068-133-0x00000000058C0000-0x0000000005E64000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads