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

4152 nhbyg.exe
4624 nhbyg.exe

pid	process
4152	nhbyg.exe
4624	nhbyg.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/208-138-0x0000000000800000-0x0000000000BE4000-memory.dmp	upx
behavioral2/memory/208-137-0x0000000000800000-0x0000000000BE4000-memory.dmp	upx
behavioral2/memory/3216-145-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/3216-146-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/3216-147-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/3216-148-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/3216-151-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

RegAsm.exe

pid process

3216 RegAsm.exe
3216 RegAsm.exe
3216 RegAsm.exe
3216 RegAsm.exe
3216 RegAsm.exe

pid	process
3216	RegAsm.exe
3216	RegAsm.exe
3216	RegAsm.exe
3216	RegAsm.exe
3216	RegAsm.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

NIS75FJ4D_ETRANSFER_RECEIPT.exenhbyg.exe

description	pid	process	target process
PID 2088 set thread context of 208	2088	NIS75FJ4D_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 4152 set thread context of 3216	4152	nhbyg.exe	RegAsm.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3492 208 WerFault.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

1992 schtasks.exe
5064 schtasks.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeShutdownPrivilege 3216 RegAsm.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

RegAsm.exe

pid process

3216 RegAsm.exe
3216 RegAsm.exe

pid	pid_target	process	target process
3492	208	WerFault.exe	RegAsm.exe

pid	process
1992	schtasks.exe
5064	schtasks.exe

description	pid	process
Token: SeShutdownPrivilege	3216	RegAsm.exe

pid	process
3216	RegAsm.exe
3216	RegAsm.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

NIS75FJ4D_ETRANSFER_RECEIPT.execmd.exenhbyg.execmd.exe

description	pid	process	target process
PID 2088 wrote to memory of 1796	2088	NIS75FJ4D_ETRANSFER_RECEIPT.exe	cmd.exe
PID 2088 wrote to memory of 1796	2088	NIS75FJ4D_ETRANSFER_RECEIPT.exe	cmd.exe
PID 2088 wrote to memory of 1796	2088	NIS75FJ4D_ETRANSFER_RECEIPT.exe	cmd.exe
PID 1796 wrote to memory of 1992	1796	cmd.exe	schtasks.exe
PID 1796 wrote to memory of 1992	1796	cmd.exe	schtasks.exe
PID 1796 wrote to memory of 1992	1796	cmd.exe	schtasks.exe
PID 2088 wrote to memory of 3384	2088	NIS75FJ4D_ETRANSFER_RECEIPT.exe	cmd.exe
PID 2088 wrote to memory of 3384	2088	NIS75FJ4D_ETRANSFER_RECEIPT.exe	cmd.exe
PID 2088 wrote to memory of 3384	2088	NIS75FJ4D_ETRANSFER_RECEIPT.exe	cmd.exe
PID 2088 wrote to memory of 208	2088	NIS75FJ4D_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 2088 wrote to memory of 208	2088	NIS75FJ4D_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 2088 wrote to memory of 208	2088	NIS75FJ4D_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 2088 wrote to memory of 208	2088	NIS75FJ4D_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 2088 wrote to memory of 208	2088	NIS75FJ4D_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 2088 wrote to memory of 208	2088	NIS75FJ4D_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 2088 wrote to memory of 208	2088	NIS75FJ4D_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 4152 wrote to memory of 4308	4152	nhbyg.exe	cmd.exe
PID 4152 wrote to memory of 4308	4152	nhbyg.exe	cmd.exe
PID 4152 wrote to memory of 4308	4152	nhbyg.exe	cmd.exe
PID 4308 wrote to memory of 5064	4308	cmd.exe	schtasks.exe
PID 4308 wrote to memory of 5064	4308	cmd.exe	schtasks.exe
PID 4308 wrote to memory of 5064	4308	cmd.exe	schtasks.exe
PID 4152 wrote to memory of 3380	4152	nhbyg.exe	cmd.exe
PID 4152 wrote to memory of 3380	4152	nhbyg.exe	cmd.exe
PID 4152 wrote to memory of 3380	4152	nhbyg.exe	cmd.exe
PID 4152 wrote to memory of 3216	4152	nhbyg.exe	RegAsm.exe
PID 4152 wrote to memory of 3216	4152	nhbyg.exe	RegAsm.exe
PID 4152 wrote to memory of 3216	4152	nhbyg.exe	RegAsm.exe
PID 4152 wrote to memory of 3216	4152	nhbyg.exe	RegAsm.exe
PID 4152 wrote to memory of 3216	4152	nhbyg.exe	RegAsm.exe
PID 4152 wrote to memory of 3216	4152	nhbyg.exe	RegAsm.exe
PID 4152 wrote to memory of 3216	4152	nhbyg.exe	RegAsm.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:2088

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:1796

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:1992

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:3384

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 540
3⤵
- Program crash
PID:3492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 208 -ip 208
1⤵
PID:3888

C:\Users\Admin\AppData\Roaming\nhbyg.exe
C:\Users\Admin\AppData\Roaming\nhbyg.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4152

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:4308

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:5064

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C copy "C:\Users\Admin\AppData\Roaming\nhbyg.exe" "C:\Users\Admin\AppData\Roaming\nhbyg.exe"
2⤵
PID:3380

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:3216

C:\Users\Admin\AppData\Roaming\nhbyg.exe
C:\Users\Admin\AppData\Roaming\nhbyg.exe
1⤵
- Executes dropped EXE
PID:4624

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\Local\Microsoft\CLR_v4.0_32\UsageLogs\nhbyg.exe.log
Filesize
520B

MD5
41c37de2b4598f7759f865817dba5f80

SHA1
884ccf344bc2dd409425dc5ace0fd909a5f8cce4

SHA256
427235491a8da3fc8770ed60d30af731835c94585cd08d4d81fca9f703b283bc

SHA512
a8f3c74916623de100e4cf22e05df9cdf541b1e32443aab0434f35fb9c4a7fa950b997ce589b532e65731ae471a1f152cd5c00ea1df4bd7a6b57eb27c93c54bd

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
C:\Users\Admin\AppData\Roaming\nhbyg.exe
Filesize
250.1MB

MD5
a23b2ddb0bf05d91d5ece0b080f12172

SHA1
e1606320d8cdb9eb095ff0dc968c739640ff6895

SHA256
085646961c749b1affd2fae08b453a38c4919d489035180b7ae0e567b01d3d80

SHA512
0d15e0f028d15431a8209afbf438d86a4a38245b225a7aa75969646e71f3ac6f327fc97fef6e6875176a33c97738f70a4c23df0c6f31c1d4f925b28b2297b4d7

Download Submit
memory/208-135-0x0000000000000000-mapping.dmp

Download
memory/208-138-0x0000000000800000-0x0000000000BE4000-memory.dmp

Filesize
3.9MB

Download
memory/208-137-0x0000000000800000-0x0000000000BE4000-memory.dmp

Filesize
3.9MB

Download
memory/1796-131-0x0000000000000000-mapping.dmp

Download
memory/1992-132-0x0000000000000000-mapping.dmp

Download
memory/2088-130-0x0000000000FD0000-0x0000000001164000-memory.dmp

Filesize
1.6MB

Download
memory/2088-133-0x00000000065E0000-0x0000000006B84000-memory.dmp

Filesize
5.6MB

Download
memory/3216-146-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3216-144-0x0000000000000000-mapping.dmp

Download
memory/3216-145-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3216-147-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3216-148-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3216-149-0x0000000074CE0000-0x0000000074D19000-memory.dmp

Filesize
228KB

Download
memory/3216-150-0x0000000075080000-0x00000000750B9000-memory.dmp

Filesize
228KB

Download
memory/3216-151-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3380-143-0x0000000000000000-mapping.dmp

Download
memory/3384-134-0x0000000000000000-mapping.dmp

Download
memory/4308-141-0x0000000000000000-mapping.dmp

Download
memory/5064-142-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads