bitrat | a63ec7da70dc56049227041e320a1518c98654a1baa9a9fdfef3f11a979920d7

General

Target

D7M39A87SH3-ETRANSFER-RECEIPT.exe
Size

300.0MB
MD5

edd26deecff12183dc818957f18b866a
SHA1

7e4fc7d57f7502ad210ceafbe294716981585281
SHA256

0b6306bc128b16b99cee0d04e4427bc0b5dbe32b2386fc4800cf42c9f42ed3b3
SHA512

b86225d429f244077f1a4313318e034320da2091a02a8064065b2fbd290eaa5285adfe90a161886f6a13dcba996f536da6758da78cf54ec01c900369db841987

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 2 IoCs

Processes:

vhhg.exevhhg.exe

pid process

1208 vhhg.exe
1956 vhhg.exe

pid	process
1208	vhhg.exe
1956	vhhg.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1804-138-0x0000000000A00000-0x0000000000DE4000-memory.dmp	upx
behavioral2/memory/1804-137-0x0000000000A00000-0x0000000000DE4000-memory.dmp	upx
behavioral2/memory/3780-146-0x0000000000600000-0x00000000009E4000-memory.dmp	upx
behavioral2/memory/3780-147-0x0000000000600000-0x00000000009E4000-memory.dmp	upx
behavioral2/memory/600-154-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/600-155-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/600-156-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/600-157-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/600-158-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

RegAsm.exe

pid process

600 RegAsm.exe
600 RegAsm.exe
600 RegAsm.exe
600 RegAsm.exe

pid	process
600	RegAsm.exe
600	RegAsm.exe
600	RegAsm.exe
600	RegAsm.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

D7M39A87SH3-ETRANSFER-RECEIPT.exevhhg.exevhhg.exe

description	pid	process	target process
PID 4844 set thread context of 1804	4844	D7M39A87SH3-ETRANSFER-RECEIPT.exe	RegAsm.exe
PID 1208 set thread context of 3780	1208	vhhg.exe	RegAsm.exe
PID 1956 set thread context of 600	1956	vhhg.exe	RegAsm.exe

Program crash 3 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exe

pid pid_target process target process

1132 1804 WerFault.exe RegAsm.exe
4516 3780 WerFault.exe RegAsm.exe
4872 3780 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

4360 schtasks.exe
2248 schtasks.exe
1684 schtasks.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeShutdownPrivilege 600 RegAsm.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

RegAsm.exe

pid process

600 RegAsm.exe
600 RegAsm.exe

pid	pid_target	process	target process
1132	1804	WerFault.exe	RegAsm.exe
4516	3780	WerFault.exe	RegAsm.exe
4872	3780	WerFault.exe	RegAsm.exe

pid	process
4360	schtasks.exe
2248	schtasks.exe
1684	schtasks.exe

description	pid	process
Token: SeShutdownPrivilege	600	RegAsm.exe

pid	process
600	RegAsm.exe
600	RegAsm.exe

Suspicious use of WriteProcessMemory 48 IoCs

Processes:

D7M39A87SH3-ETRANSFER-RECEIPT.execmd.exevhhg.execmd.exevhhg.execmd.exe

description	pid	process	target process
PID 4844 wrote to memory of 4564	4844	D7M39A87SH3-ETRANSFER-RECEIPT.exe	cmd.exe
PID 4844 wrote to memory of 4564	4844	D7M39A87SH3-ETRANSFER-RECEIPT.exe	cmd.exe
PID 4844 wrote to memory of 4564	4844	D7M39A87SH3-ETRANSFER-RECEIPT.exe	cmd.exe
PID 4564 wrote to memory of 1684	4564	cmd.exe	schtasks.exe
PID 4564 wrote to memory of 1684	4564	cmd.exe	schtasks.exe
PID 4564 wrote to memory of 1684	4564	cmd.exe	schtasks.exe
PID 4844 wrote to memory of 5024	4844	D7M39A87SH3-ETRANSFER-RECEIPT.exe	cmd.exe
PID 4844 wrote to memory of 5024	4844	D7M39A87SH3-ETRANSFER-RECEIPT.exe	cmd.exe
PID 4844 wrote to memory of 5024	4844	D7M39A87SH3-ETRANSFER-RECEIPT.exe	cmd.exe
PID 4844 wrote to memory of 1804	4844	D7M39A87SH3-ETRANSFER-RECEIPT.exe	RegAsm.exe
PID 4844 wrote to memory of 1804	4844	D7M39A87SH3-ETRANSFER-RECEIPT.exe	RegAsm.exe
PID 4844 wrote to memory of 1804	4844	D7M39A87SH3-ETRANSFER-RECEIPT.exe	RegAsm.exe
PID 4844 wrote to memory of 1804	4844	D7M39A87SH3-ETRANSFER-RECEIPT.exe	RegAsm.exe
PID 4844 wrote to memory of 1804	4844	D7M39A87SH3-ETRANSFER-RECEIPT.exe	RegAsm.exe
PID 4844 wrote to memory of 1804	4844	D7M39A87SH3-ETRANSFER-RECEIPT.exe	RegAsm.exe
PID 4844 wrote to memory of 1804	4844	D7M39A87SH3-ETRANSFER-RECEIPT.exe	RegAsm.exe
PID 1208 wrote to memory of 4532	1208	vhhg.exe	cmd.exe
PID 1208 wrote to memory of 4532	1208	vhhg.exe	cmd.exe
PID 1208 wrote to memory of 4532	1208	vhhg.exe	cmd.exe
PID 4532 wrote to memory of 4360	4532	cmd.exe	schtasks.exe
PID 4532 wrote to memory of 4360	4532	cmd.exe	schtasks.exe
PID 4532 wrote to memory of 4360	4532	cmd.exe	schtasks.exe
PID 1208 wrote to memory of 1900	1208	vhhg.exe	cmd.exe
PID 1208 wrote to memory of 1900	1208	vhhg.exe	cmd.exe
PID 1208 wrote to memory of 1900	1208	vhhg.exe	cmd.exe
PID 1208 wrote to memory of 3780	1208	vhhg.exe	RegAsm.exe
PID 1208 wrote to memory of 3780	1208	vhhg.exe	RegAsm.exe
PID 1208 wrote to memory of 3780	1208	vhhg.exe	RegAsm.exe
PID 1208 wrote to memory of 3780	1208	vhhg.exe	RegAsm.exe
PID 1208 wrote to memory of 3780	1208	vhhg.exe	RegAsm.exe
PID 1208 wrote to memory of 3780	1208	vhhg.exe	RegAsm.exe
PID 1208 wrote to memory of 3780	1208	vhhg.exe	RegAsm.exe
PID 1956 wrote to memory of 1160	1956	vhhg.exe	cmd.exe
PID 1956 wrote to memory of 1160	1956	vhhg.exe	cmd.exe
PID 1956 wrote to memory of 1160	1956	vhhg.exe	cmd.exe
PID 1160 wrote to memory of 2248	1160	cmd.exe	schtasks.exe
PID 1160 wrote to memory of 2248	1160	cmd.exe	schtasks.exe
PID 1160 wrote to memory of 2248	1160	cmd.exe	schtasks.exe
PID 1956 wrote to memory of 4992	1956	vhhg.exe	cmd.exe
PID 1956 wrote to memory of 4992	1956	vhhg.exe	cmd.exe
PID 1956 wrote to memory of 4992	1956	vhhg.exe	cmd.exe
PID 1956 wrote to memory of 600	1956	vhhg.exe	RegAsm.exe
PID 1956 wrote to memory of 600	1956	vhhg.exe	RegAsm.exe
PID 1956 wrote to memory of 600	1956	vhhg.exe	RegAsm.exe
PID 1956 wrote to memory of 600	1956	vhhg.exe	RegAsm.exe
PID 1956 wrote to memory of 600	1956	vhhg.exe	RegAsm.exe
PID 1956 wrote to memory of 600	1956	vhhg.exe	RegAsm.exe
PID 1956 wrote to memory of 600	1956	vhhg.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\D7M39A87SH3-ETRANSFER-RECEIPT.exe
"C:\Users\Admin\AppData\Local\Temp\D7M39A87SH3-ETRANSFER-RECEIPT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4844

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafdnasia" /tr "'C:\Users\Admin\AppData\Roaming\vhhg.exe'" /f
2⤵
- Suspicious use of WriteProcessMemory
PID:4564

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafdnasia" /tr "'C:\Users\Admin\AppData\Roaming\vhhg.exe'" /f
3⤵
- Creates scheduled task(s)
PID:1684

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C copy "C:\Users\Admin\AppData\Local\Temp\D7M39A87SH3-ETRANSFER-RECEIPT.exe" "C:\Users\Admin\AppData\Roaming\vhhg.exe"
2⤵
PID:5024

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:1804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1804 -s 184
3⤵
- Program crash
PID:1132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1804 -ip 1804
1⤵
PID:316

C:\Users\Admin\AppData\Roaming\vhhg.exe
C:\Users\Admin\AppData\Roaming\vhhg.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1208

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafdnasia" /tr "'C:\Users\Admin\AppData\Roaming\vhhg.exe'" /f
2⤵
- Suspicious use of WriteProcessMemory
PID:4532

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafdnasia" /tr "'C:\Users\Admin\AppData\Roaming\vhhg.exe'" /f
3⤵
- Creates scheduled task(s)
PID:4360

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C copy "C:\Users\Admin\AppData\Roaming\vhhg.exe" "C:\Users\Admin\AppData\Roaming\vhhg.exe"
2⤵
PID:1900

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
PID:3780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 536
3⤵
- Program crash
PID:4516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 540
3⤵
- Program crash
PID:4872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3780 -ip 3780
1⤵
PID:5012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3780 -ip 3780
1⤵
PID:3776

C:\Users\Admin\AppData\Roaming\vhhg.exe
C:\Users\Admin\AppData\Roaming\vhhg.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1956

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafdnasia" /tr "'C:\Users\Admin\AppData\Roaming\vhhg.exe'" /f
2⤵
- Suspicious use of WriteProcessMemory
PID:1160

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafdnasia" /tr "'C:\Users\Admin\AppData\Roaming\vhhg.exe'" /f
3⤵
- Creates scheduled task(s)
PID:2248

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C copy "C:\Users\Admin\AppData\Roaming\vhhg.exe" "C:\Users\Admin\AppData\Roaming\vhhg.exe"
2⤵
PID:4992

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:600

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\vhhg.exe.log
Filesize
520B

MD5
41c37de2b4598f7759f865817dba5f80

SHA1
884ccf344bc2dd409425dc5ace0fd909a5f8cce4

SHA256
427235491a8da3fc8770ed60d30af731835c94585cd08d4d81fca9f703b283bc

SHA512
a8f3c74916623de100e4cf22e05df9cdf541b1e32443aab0434f35fb9c4a7fa950b997ce589b532e65731ae471a1f152cd5c00ea1df4bd7a6b57eb27c93c54bd

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

MD5
edd26deecff12183dc818957f18b866a

SHA1
7e4fc7d57f7502ad210ceafbe294716981585281

SHA256
0b6306bc128b16b99cee0d04e4427bc0b5dbe32b2386fc4800cf42c9f42ed3b3

SHA512
b86225d429f244077f1a4313318e034320da2091a02a8064065b2fbd290eaa5285adfe90a161886f6a13dcba996f536da6758da78cf54ec01c900369db841987

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

MD5
edd26deecff12183dc818957f18b866a

SHA1
7e4fc7d57f7502ad210ceafbe294716981585281

SHA256
0b6306bc128b16b99cee0d04e4427bc0b5dbe32b2386fc4800cf42c9f42ed3b3

SHA512
b86225d429f244077f1a4313318e034320da2091a02a8064065b2fbd290eaa5285adfe90a161886f6a13dcba996f536da6758da78cf54ec01c900369db841987

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

MD5
edd26deecff12183dc818957f18b866a

SHA1
7e4fc7d57f7502ad210ceafbe294716981585281

SHA256
0b6306bc128b16b99cee0d04e4427bc0b5dbe32b2386fc4800cf42c9f42ed3b3

SHA512
b86225d429f244077f1a4313318e034320da2091a02a8064065b2fbd290eaa5285adfe90a161886f6a13dcba996f536da6758da78cf54ec01c900369db841987

Download Submit
memory/600-159-0x0000000075050000-0x0000000075089000-memory.dmp

Filesize
228KB

Download
memory/600-157-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/600-156-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/600-155-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/600-158-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/600-154-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/600-153-0x0000000000000000-mapping.dmp

Download
memory/600-160-0x00000000753D0000-0x0000000075409000-memory.dmp

Filesize
228KB

Download
memory/1160-150-0x0000000000000000-mapping.dmp

Download
memory/1684-132-0x0000000000000000-mapping.dmp

Download
memory/1804-137-0x0000000000A00000-0x0000000000DE4000-memory.dmp

Filesize
3.9MB

Download
memory/1804-138-0x0000000000A00000-0x0000000000DE4000-memory.dmp

Filesize
3.9MB

Download
memory/1804-135-0x0000000000000000-mapping.dmp

Download
memory/1900-143-0x0000000000000000-mapping.dmp

Download
memory/2248-151-0x0000000000000000-mapping.dmp

Download
memory/3780-147-0x0000000000600000-0x00000000009E4000-memory.dmp

Filesize
3.9MB

Download
memory/3780-144-0x0000000000000000-mapping.dmp

Download
memory/3780-146-0x0000000000600000-0x00000000009E4000-memory.dmp

Filesize
3.9MB

Download
memory/4360-142-0x0000000000000000-mapping.dmp

Download
memory/4532-141-0x0000000000000000-mapping.dmp

Download
memory/4564-131-0x0000000000000000-mapping.dmp

Download
memory/4844-130-0x00000000002A0000-0x0000000000432000-memory.dmp

Filesize
1.6MB

Download
memory/4844-133-0x00000000058A0000-0x0000000005E44000-memory.dmp

Filesize
5.6MB

Download
memory/4992-152-0x0000000000000000-mapping.dmp

Download
memory/5024-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads