bitrat | 0b7b2a194f5ba8d1174ec78952b8a570ed6384e94836a26d4cec1d4397c030c8

General

Target

NIS75FJ4D_ETRANSFER_RECEIPT.exe
Size

300.0MB
MD5

d072528e13a5c62a4f27192472f757da
SHA1

361a23cc18bb659c6663e7e4d962c002ca89b716
SHA256

0cf97758629ff73febf6d092d1efa21076274de36257722e9f33ed71937b1c0b
SHA512

59dd288c9e820a575b2a977b07976e6c6b36f87e6dc8a6028e51cc8e6aae60668de1d4f9be9c34bc3489875fc3440727f47542a3c0ad48a19a83b5c03f5fb397

Score

10^/10

bitrat suricata 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
suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
suricata
Executes dropped EXE 2 IoCs

Processes:

nhbyg.exenhbyg.exe

pid process

740 nhbyg.exe
1324 nhbyg.exe

pid	process
740	nhbyg.exe
1324	nhbyg.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1976-61-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1976-63-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1976-64-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1976-67-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1976-66-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1976-70-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1976-71-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1976-74-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1016-97-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1016-98-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

Processes:

RegAsm.exeRegAsm.exe

pid process

1976 RegAsm.exe
1976 RegAsm.exe
1976 RegAsm.exe
1976 RegAsm.exe
1976 RegAsm.exe
1016 RegAsm.exe

pid	process
1976	RegAsm.exe
1976	RegAsm.exe
1976	RegAsm.exe
1976	RegAsm.exe
1976	RegAsm.exe
1016	RegAsm.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

NIS75FJ4D_ETRANSFER_RECEIPT.exenhbyg.exe

description	pid	process	target process
PID 272 set thread context of 1976	272	NIS75FJ4D_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 740 set thread context of 1016	740	nhbyg.exe	RegAsm.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1480 schtasks.exe
1476 schtasks.exe

pid	process
1480	schtasks.exe
1476	schtasks.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

RegAsm.exeRegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1976	RegAsm.exe
Token: SeShutdownPrivilege	1976	RegAsm.exe
Token: SeDebugPrivilege	1016	RegAsm.exe
Token: SeShutdownPrivilege	1016	RegAsm.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

RegAsm.exe

pid process

1976 RegAsm.exe
1976 RegAsm.exe

pid	process
1976	RegAsm.exe
1976	RegAsm.exe

Suspicious use of WriteProcessMemory 54 IoCs

Processes:

NIS75FJ4D_ETRANSFER_RECEIPT.execmd.exetaskeng.exenhbyg.execmd.exe

description	pid	process	target process
PID 272 wrote to memory of 1808	272	NIS75FJ4D_ETRANSFER_RECEIPT.exe	cmd.exe
PID 272 wrote to memory of 1808	272	NIS75FJ4D_ETRANSFER_RECEIPT.exe	cmd.exe
PID 272 wrote to memory of 1808	272	NIS75FJ4D_ETRANSFER_RECEIPT.exe	cmd.exe
PID 272 wrote to memory of 1808	272	NIS75FJ4D_ETRANSFER_RECEIPT.exe	cmd.exe
PID 1808 wrote to memory of 1476	1808	cmd.exe	schtasks.exe
PID 1808 wrote to memory of 1476	1808	cmd.exe	schtasks.exe
PID 1808 wrote to memory of 1476	1808	cmd.exe	schtasks.exe
PID 1808 wrote to memory of 1476	1808	cmd.exe	schtasks.exe
PID 272 wrote to memory of 1116	272	NIS75FJ4D_ETRANSFER_RECEIPT.exe	cmd.exe
PID 272 wrote to memory of 1116	272	NIS75FJ4D_ETRANSFER_RECEIPT.exe	cmd.exe
PID 272 wrote to memory of 1116	272	NIS75FJ4D_ETRANSFER_RECEIPT.exe	cmd.exe
PID 272 wrote to memory of 1116	272	NIS75FJ4D_ETRANSFER_RECEIPT.exe	cmd.exe
PID 272 wrote to memory of 1976	272	NIS75FJ4D_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 272 wrote to memory of 1976	272	NIS75FJ4D_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 272 wrote to memory of 1976	272	NIS75FJ4D_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 272 wrote to memory of 1976	272	NIS75FJ4D_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 272 wrote to memory of 1976	272	NIS75FJ4D_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 272 wrote to memory of 1976	272	NIS75FJ4D_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 272 wrote to memory of 1976	272	NIS75FJ4D_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 272 wrote to memory of 1976	272	NIS75FJ4D_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 272 wrote to memory of 1976	272	NIS75FJ4D_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 272 wrote to memory of 1976	272	NIS75FJ4D_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 272 wrote to memory of 1976	272	NIS75FJ4D_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 1348 wrote to memory of 740	1348	taskeng.exe	nhbyg.exe
PID 1348 wrote to memory of 740	1348	taskeng.exe	nhbyg.exe
PID 1348 wrote to memory of 740	1348	taskeng.exe	nhbyg.exe
PID 1348 wrote to memory of 740	1348	taskeng.exe	nhbyg.exe
PID 740 wrote to memory of 1032	740	nhbyg.exe	cmd.exe
PID 740 wrote to memory of 1032	740	nhbyg.exe	cmd.exe
PID 740 wrote to memory of 1032	740	nhbyg.exe	cmd.exe
PID 740 wrote to memory of 1032	740	nhbyg.exe	cmd.exe
PID 1032 wrote to memory of 1480	1032	cmd.exe	schtasks.exe
PID 1032 wrote to memory of 1480	1032	cmd.exe	schtasks.exe
PID 1032 wrote to memory of 1480	1032	cmd.exe	schtasks.exe
PID 1032 wrote to memory of 1480	1032	cmd.exe	schtasks.exe
PID 740 wrote to memory of 1140	740	nhbyg.exe	cmd.exe
PID 740 wrote to memory of 1140	740	nhbyg.exe	cmd.exe
PID 740 wrote to memory of 1140	740	nhbyg.exe	cmd.exe
PID 740 wrote to memory of 1140	740	nhbyg.exe	cmd.exe
PID 740 wrote to memory of 1016	740	nhbyg.exe	RegAsm.exe
PID 740 wrote to memory of 1016	740	nhbyg.exe	RegAsm.exe
PID 740 wrote to memory of 1016	740	nhbyg.exe	RegAsm.exe
PID 740 wrote to memory of 1016	740	nhbyg.exe	RegAsm.exe
PID 740 wrote to memory of 1016	740	nhbyg.exe	RegAsm.exe
PID 740 wrote to memory of 1016	740	nhbyg.exe	RegAsm.exe
PID 740 wrote to memory of 1016	740	nhbyg.exe	RegAsm.exe
PID 740 wrote to memory of 1016	740	nhbyg.exe	RegAsm.exe
PID 740 wrote to memory of 1016	740	nhbyg.exe	RegAsm.exe
PID 740 wrote to memory of 1016	740	nhbyg.exe	RegAsm.exe
PID 740 wrote to memory of 1016	740	nhbyg.exe	RegAsm.exe
PID 1348 wrote to memory of 1324	1348	taskeng.exe	nhbyg.exe
PID 1348 wrote to memory of 1324	1348	taskeng.exe	nhbyg.exe
PID 1348 wrote to memory of 1324	1348	taskeng.exe	nhbyg.exe
PID 1348 wrote to memory of 1324	1348	taskeng.exe	nhbyg.exe

C:\Users\Admin\AppData\Local\Temp\NIS75FJ4D_ETRANSFER_RECEIPT.exe
"C:\Users\Admin\AppData\Local\Temp\NIS75FJ4D_ETRANSFER_RECEIPT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:272

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafdnasia" /tr "'C:\Users\Admin\AppData\Roaming\nhbyg.exe'" /f
2⤵
- Suspicious use of WriteProcessMemory
PID:1808

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafdnasia" /tr "'C:\Users\Admin\AppData\Roaming\nhbyg.exe'" /f
3⤵
- Creates scheduled task(s)
PID:1476

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C copy "C:\Users\Admin\AppData\Local\Temp\NIS75FJ4D_ETRANSFER_RECEIPT.exe" "C:\Users\Admin\AppData\Roaming\nhbyg.exe"
2⤵
PID:1116

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:1976

C:\Windows\system32\taskeng.exe
taskeng.exe {396F7219-E290-4F8C-8701-CD00A74A19AC} S-1-5-21-1083475884-596052423-1669053738-1000:WYZSGDWS\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1348

C:\Users\Admin\AppData\Roaming\nhbyg.exe
C:\Users\Admin\AppData\Roaming\nhbyg.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:740

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafdnasia" /tr "'C:\Users\Admin\AppData\Roaming\nhbyg.exe'" /f
3⤵
- Suspicious use of WriteProcessMemory
PID:1032

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafdnasia" /tr "'C:\Users\Admin\AppData\Roaming\nhbyg.exe'" /f
4⤵
- Creates scheduled task(s)
PID:1480

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C copy "C:\Users\Admin\AppData\Roaming\nhbyg.exe" "C:\Users\Admin\AppData\Roaming\nhbyg.exe"
3⤵
PID:1140

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
3⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:1016

C:\Users\Admin\AppData\Roaming\nhbyg.exe
C:\Users\Admin\AppData\Roaming\nhbyg.exe
2⤵
- Executes dropped EXE
PID:1324

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\nhbyg.exe
Filesize
300.0MB

MD5
d072528e13a5c62a4f27192472f757da

SHA1
361a23cc18bb659c6663e7e4d962c002ca89b716

SHA256
0cf97758629ff73febf6d092d1efa21076274de36257722e9f33ed71937b1c0b

SHA512
59dd288c9e820a575b2a977b07976e6c6b36f87e6dc8a6028e51cc8e6aae60668de1d4f9be9c34bc3489875fc3440727f47542a3c0ad48a19a83b5c03f5fb397

Download Submit
C:\Users\Admin\AppData\Roaming\nhbyg.exe
Filesize
300.0MB

MD5
d072528e13a5c62a4f27192472f757da

SHA1
361a23cc18bb659c6663e7e4d962c002ca89b716

SHA256
0cf97758629ff73febf6d092d1efa21076274de36257722e9f33ed71937b1c0b

SHA512
59dd288c9e820a575b2a977b07976e6c6b36f87e6dc8a6028e51cc8e6aae60668de1d4f9be9c34bc3489875fc3440727f47542a3c0ad48a19a83b5c03f5fb397

Download Submit
C:\Users\Admin\AppData\Roaming\nhbyg.exe
Filesize
300.0MB

MD5
d072528e13a5c62a4f27192472f757da

SHA1
361a23cc18bb659c6663e7e4d962c002ca89b716

SHA256
0cf97758629ff73febf6d092d1efa21076274de36257722e9f33ed71937b1c0b

SHA512
59dd288c9e820a575b2a977b07976e6c6b36f87e6dc8a6028e51cc8e6aae60668de1d4f9be9c34bc3489875fc3440727f47542a3c0ad48a19a83b5c03f5fb397

Download Submit
memory/272-54-0x0000000000C90000-0x0000000000E24000-memory.dmp

Filesize
1.6MB

Download
memory/272-55-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download
memory/272-56-0x0000000005450000-0x00000000055C6000-memory.dmp

Filesize
1.5MB

Download
memory/740-80-0x0000000000390000-0x0000000000524000-memory.dmp

Filesize
1.6MB

Download
memory/740-78-0x0000000000000000-mapping.dmp

Download
memory/1016-90-0x00000000007E2730-mapping.dmp

Download
memory/1016-98-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1016-97-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1032-82-0x0000000000000000-mapping.dmp

Download
memory/1116-59-0x0000000000000000-mapping.dmp

Download
memory/1140-84-0x0000000000000000-mapping.dmp

Download
memory/1324-99-0x0000000000000000-mapping.dmp

Download
memory/1324-101-0x00000000003A0000-0x0000000000534000-memory.dmp

Filesize
1.6MB

Download
memory/1476-58-0x0000000000000000-mapping.dmp

Download
memory/1480-83-0x0000000000000000-mapping.dmp

Download
memory/1808-57-0x0000000000000000-mapping.dmp

Download
memory/1976-63-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1976-76-0x0000000000120000-0x000000000012A000-memory.dmp

Filesize
40KB

Download
memory/1976-75-0x0000000000120000-0x000000000012A000-memory.dmp

Filesize
40KB

Download
memory/1976-74-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1976-73-0x0000000000120000-0x000000000012A000-memory.dmp

Filesize
40KB

Download
memory/1976-72-0x0000000000120000-0x000000000012A000-memory.dmp

Filesize
40KB

Download
memory/1976-71-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1976-70-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1976-66-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1976-67-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1976-65-0x00000000007E2730-mapping.dmp

Download
memory/1976-64-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1976-61-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1976-60-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads