bitrat | bf6a3ac0316f35f0e8663019709028b9d352c1bf10f8bed23807b40309f5ba60

General

Target

BILLPAYM.exe
Size

300.0MB
MD5

41d8a777ddc40a009a046f88900c0b80
SHA1

25dfd72ffe79eb5884d27fead86f4886bed638de
SHA256

e6844a84f9210b5803147c158c841404331177bf409dab05fecb3b3303d50347
SHA512

e75f3bfc85ed1def013474d61d5ee936ce36f499e0e111a7a1264180b7c7cc0b9a35469c35549e14c5efccc105db509aa5935152aab4e028b038e12b126f4514
SSDEEP

24576:R+GQ7D8nXiNeGFPQKpFCjI/teJb2Q/eF2YlIECXRPbSVKcS2nOI3lqaNJJxEJYsO:R+GaeGtpFC8/mb9ejKulkPaNJo

Score

10^/10

bitrat trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

newbithere.duckdns.org:2005

Attributes

communication_password
827ccb0eea8a706c4c34a16891f84e7b
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 2 IoCs

Processes:

Windows.exeWindows.exe

pid process

2364 Windows.exe
836 Windows.exe

pid	process
2364	Windows.exe
836	Windows.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4492-140-0x0000000000900000-0x0000000000CE4000-memory.dmp	upx
behavioral2/memory/4492-141-0x0000000000900000-0x0000000000CE4000-memory.dmp	upx
behavioral2/memory/1576-149-0x00000000005B0000-0x0000000000994000-memory.dmp	upx
behavioral2/memory/1576-150-0x00000000005B0000-0x0000000000994000-memory.dmp	upx
behavioral2/memory/2620-157-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2620-158-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2620-159-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2620-160-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2620-161-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/2620-162-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

RegAsm.exe

pid process

2620 RegAsm.exe
2620 RegAsm.exe
2620 RegAsm.exe
2620 RegAsm.exe
2620 RegAsm.exe

pid	process
2620	RegAsm.exe
2620	RegAsm.exe
2620	RegAsm.exe
2620	RegAsm.exe
2620	RegAsm.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

BILLPAYM.exeWindows.exeWindows.exe

description	pid	process	target process
PID 4744 set thread context of 4492	4744	BILLPAYM.exe	RegAsm.exe
PID 2364 set thread context of 1576	2364	Windows.exe	RegAsm.exe
PID 836 set thread context of 2620	836	Windows.exe	RegAsm.exe

Program crash 3 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exe

pid pid_target process target process

1276 4492 WerFault.exe RegAsm.exe
4236 1576 WerFault.exe RegAsm.exe
3880 1576 WerFault.exe RegAsm.exe
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

2580 schtasks.exe
1700 schtasks.exe
544 schtasks.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeShutdownPrivilege 2620 RegAsm.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

RegAsm.exe

pid process

2620 RegAsm.exe
2620 RegAsm.exe

pid	pid_target	process	target process
1276	4492	WerFault.exe	RegAsm.exe
4236	1576	WerFault.exe	RegAsm.exe
3880	1576	WerFault.exe	RegAsm.exe

pid	process
2580	schtasks.exe
1700	schtasks.exe
544	schtasks.exe

description	pid	process
Token: SeShutdownPrivilege	2620	RegAsm.exe

pid	process
2620	RegAsm.exe
2620	RegAsm.exe

Suspicious use of WriteProcessMemory 48 IoCs

Processes:

BILLPAYM.execmd.exeWindows.execmd.exeWindows.execmd.exe

description	pid	process	target process
PID 4744 wrote to memory of 1856	4744	BILLPAYM.exe	cmd.exe
PID 4744 wrote to memory of 1856	4744	BILLPAYM.exe	cmd.exe
PID 4744 wrote to memory of 1856	4744	BILLPAYM.exe	cmd.exe
PID 4744 wrote to memory of 640	4744	BILLPAYM.exe	cmd.exe
PID 4744 wrote to memory of 640	4744	BILLPAYM.exe	cmd.exe
PID 4744 wrote to memory of 640	4744	BILLPAYM.exe	cmd.exe
PID 1856 wrote to memory of 2580	1856	cmd.exe	schtasks.exe
PID 1856 wrote to memory of 2580	1856	cmd.exe	schtasks.exe
PID 1856 wrote to memory of 2580	1856	cmd.exe	schtasks.exe
PID 4744 wrote to memory of 4492	4744	BILLPAYM.exe	RegAsm.exe
PID 4744 wrote to memory of 4492	4744	BILLPAYM.exe	RegAsm.exe
PID 4744 wrote to memory of 4492	4744	BILLPAYM.exe	RegAsm.exe
PID 4744 wrote to memory of 4492	4744	BILLPAYM.exe	RegAsm.exe
PID 4744 wrote to memory of 4492	4744	BILLPAYM.exe	RegAsm.exe
PID 4744 wrote to memory of 4492	4744	BILLPAYM.exe	RegAsm.exe
PID 4744 wrote to memory of 4492	4744	BILLPAYM.exe	RegAsm.exe
PID 2364 wrote to memory of 4056	2364	Windows.exe	cmd.exe
PID 2364 wrote to memory of 4056	2364	Windows.exe	cmd.exe
PID 2364 wrote to memory of 4056	2364	Windows.exe	cmd.exe
PID 2364 wrote to memory of 944	2364	Windows.exe	cmd.exe
PID 2364 wrote to memory of 944	2364	Windows.exe	cmd.exe
PID 2364 wrote to memory of 944	2364	Windows.exe	cmd.exe
PID 2364 wrote to memory of 1576	2364	Windows.exe	RegAsm.exe
PID 2364 wrote to memory of 1576	2364	Windows.exe	RegAsm.exe
PID 2364 wrote to memory of 1576	2364	Windows.exe	RegAsm.exe
PID 2364 wrote to memory of 1576	2364	Windows.exe	RegAsm.exe
PID 2364 wrote to memory of 1576	2364	Windows.exe	RegAsm.exe
PID 2364 wrote to memory of 1576	2364	Windows.exe	RegAsm.exe
PID 2364 wrote to memory of 1576	2364	Windows.exe	RegAsm.exe
PID 4056 wrote to memory of 1700	4056	cmd.exe	schtasks.exe
PID 4056 wrote to memory of 1700	4056	cmd.exe	schtasks.exe
PID 4056 wrote to memory of 1700	4056	cmd.exe	schtasks.exe
PID 836 wrote to memory of 1724	836	Windows.exe	cmd.exe
PID 836 wrote to memory of 1724	836	Windows.exe	cmd.exe
PID 836 wrote to memory of 1724	836	Windows.exe	cmd.exe
PID 836 wrote to memory of 4840	836	Windows.exe	cmd.exe
PID 836 wrote to memory of 4840	836	Windows.exe	cmd.exe
PID 836 wrote to memory of 4840	836	Windows.exe	cmd.exe
PID 1724 wrote to memory of 544	1724	cmd.exe	schtasks.exe
PID 1724 wrote to memory of 544	1724	cmd.exe	schtasks.exe
PID 1724 wrote to memory of 544	1724	cmd.exe	schtasks.exe
PID 836 wrote to memory of 2620	836	Windows.exe	RegAsm.exe
PID 836 wrote to memory of 2620	836	Windows.exe	RegAsm.exe
PID 836 wrote to memory of 2620	836	Windows.exe	RegAsm.exe
PID 836 wrote to memory of 2620	836	Windows.exe	RegAsm.exe
PID 836 wrote to memory of 2620	836	Windows.exe	RegAsm.exe
PID 836 wrote to memory of 2620	836	Windows.exe	RegAsm.exe
PID 836 wrote to memory of 2620	836	Windows.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\BILLPAYM.exe
"C:\Users\Admin\AppData\Local\Temp\BILLPAYM.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4744

C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\Windows.exe'" /f
2⤵
- Suspicious use of WriteProcessMemory
PID:1856

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\Windows.exe'" /f
3⤵
- Creates scheduled task(s)
PID:2580

C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\BILLPAYM.exe" "C:\Users\Admin\AppData\Roaming\Windows.exe"
2⤵
PID:640

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:4492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4492 -s 540
3⤵
- Program crash
PID:1276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4492 -ip 4492
1⤵
PID:3464

C:\Users\Admin\AppData\Roaming\Windows.exe
C:\Users\Admin\AppData\Roaming\Windows.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2364

C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Roaming\Windows.exe" "C:\Users\Admin\AppData\Roaming\Windows.exe"
2⤵
PID:944

C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\Windows.exe'" /f
2⤵
- Suspicious use of WriteProcessMemory
PID:4056

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\Windows.exe'" /f
3⤵
- Creates scheduled task(s)
PID:1700

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:1576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1576 -s 536
3⤵
- Program crash
PID:4236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1576 -s 540
3⤵
- Program crash
PID:3880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1576 -ip 1576
1⤵
PID:2832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1576 -ip 1576
1⤵
PID:3864

C:\Users\Admin\AppData\Roaming\Windows.exe
C:\Users\Admin\AppData\Roaming\Windows.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:836

C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Roaming\Windows.exe" "C:\Users\Admin\AppData\Roaming\Windows.exe"
2⤵
PID:4840

C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\Windows.exe'" /f
2⤵
- Suspicious use of WriteProcessMemory
PID:1724

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\Windows.exe'" /f
3⤵
- Creates scheduled task(s)
PID:544

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:2620

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Windows.exe.log

Filesize
612B

MD5
2a9d08fe8550d5c1bd2234a9bba5f499

SHA1
002f0e108e5b1141f507b7e6851b6778a749e223

SHA256
af40b88a9082d1a47f6339d384de9a1936fca4bf8013826bbae4606c988713dd

SHA512
7a0e924ac0209566d7bd63529a9732bd87b4981209bcd7038df61fa9990768d6a7882a18067cd6f1dd5c034f835ca6f0c3da2c6d78ff822165e2027f5d86aedf

Download Submit
C:\Users\Admin\AppData\Roaming\Windows.exe

Filesize
300.0MB

MD5
41d8a777ddc40a009a046f88900c0b80

SHA1
25dfd72ffe79eb5884d27fead86f4886bed638de

SHA256
e6844a84f9210b5803147c158c841404331177bf409dab05fecb3b3303d50347

SHA512
e75f3bfc85ed1def013474d61d5ee936ce36f499e0e111a7a1264180b7c7cc0b9a35469c35549e14c5efccc105db509aa5935152aab4e028b038e12b126f4514

Download Submit
C:\Users\Admin\AppData\Roaming\Windows.exe

Filesize
300.0MB

MD5
41d8a777ddc40a009a046f88900c0b80

SHA1
25dfd72ffe79eb5884d27fead86f4886bed638de

SHA256
e6844a84f9210b5803147c158c841404331177bf409dab05fecb3b3303d50347

SHA512
e75f3bfc85ed1def013474d61d5ee936ce36f499e0e111a7a1264180b7c7cc0b9a35469c35549e14c5efccc105db509aa5935152aab4e028b038e12b126f4514

Download Submit
C:\Users\Admin\AppData\Roaming\Windows.exe

Filesize
300.0MB

MD5
41d8a777ddc40a009a046f88900c0b80

SHA1
25dfd72ffe79eb5884d27fead86f4886bed638de

SHA256
e6844a84f9210b5803147c158c841404331177bf409dab05fecb3b3303d50347

SHA512
e75f3bfc85ed1def013474d61d5ee936ce36f499e0e111a7a1264180b7c7cc0b9a35469c35549e14c5efccc105db509aa5935152aab4e028b038e12b126f4514

Download Submit
memory/544-155-0x0000000000000000-mapping.dmp

Download
memory/640-136-0x0000000000000000-mapping.dmp

Download
memory/944-145-0x0000000000000000-mapping.dmp

Download
memory/1576-150-0x00000000005B0000-0x0000000000994000-memory.dmp

Filesize
3.9MB

Download
memory/1576-149-0x00000000005B0000-0x0000000000994000-memory.dmp

Filesize
3.9MB

Download
memory/1576-146-0x0000000000000000-mapping.dmp

Download
memory/1700-147-0x0000000000000000-mapping.dmp

Download
memory/1724-153-0x0000000000000000-mapping.dmp

Download
memory/1856-135-0x0000000000000000-mapping.dmp

Download
memory/2580-137-0x0000000000000000-mapping.dmp

Download
memory/2620-160-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2620-161-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2620-164-0x0000000074DB0000-0x0000000074DE9000-memory.dmp

Filesize
228KB

Download
memory/2620-163-0x0000000074A30000-0x0000000074A69000-memory.dmp

Filesize
228KB

Download
memory/2620-162-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2620-159-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2620-158-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2620-157-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2620-156-0x0000000000000000-mapping.dmp

Download
memory/4056-144-0x0000000000000000-mapping.dmp

Download
memory/4492-141-0x0000000000900000-0x0000000000CE4000-memory.dmp

Filesize
3.9MB

Download
memory/4492-138-0x0000000000000000-mapping.dmp

Download
memory/4492-140-0x0000000000900000-0x0000000000CE4000-memory.dmp

Filesize
3.9MB

Download
memory/4744-133-0x0000000004EA0000-0x0000000004F06000-memory.dmp

Filesize
408KB

Download
memory/4744-134-0x0000000005600000-0x0000000005BA4000-memory.dmp

Filesize
5.6MB

Download
memory/4744-132-0x00000000003B0000-0x0000000000586000-memory.dmp

Filesize
1.8MB

Download
memory/4840-154-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads