bitrat | 234cad9129c3468824397de31f34b9a564f5e49f2312f057be94cae409004daf

Analysis

max time kernel
151s
max time network
159s
platform
windows7_x64
resource
win7-20220414-en
submitted
21-06-2022 14:51

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General

Target

JO37GDDJF5_ETRANSFER_RECEIPT.exe
Size

300.0MB
MD5

9f791a0a9f76db609b44f0e3bf7bdef5
SHA1

0481f2e178c7a34b3d855e5c53553337fe2008ed
SHA256

ccd71d751bf017dee31f76eceded9aa6832f5e19b5389584d3665f76b4f0caf2
SHA512

06889bebdf092e4f1563e697e9c619a147954ffcb1f9dd9e9a9238d1410442373f95558c02e6bae6f5d832f89a46eab8b08114699f7321ce2e1150a69f1ad1ee

Score

10^/10

bitrat suricata trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

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

1316 nhbyg.exe
920 nhbyg.exe

pid	process
1316	nhbyg.exe
920	nhbyg.exe

UPX packed file 16 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1924-63-0x0000000000430000-0x0000000000814000-memory.dmp	upx
behavioral1/memory/1924-69-0x0000000000430000-0x0000000000814000-memory.dmp	upx
behavioral1/memory/1924-70-0x0000000000430000-0x0000000000814000-memory.dmp	upx
behavioral1/memory/1924-75-0x0000000000430000-0x0000000000814000-memory.dmp	upx
behavioral1/memory/1924-77-0x0000000000430000-0x0000000000814000-memory.dmp	upx
behavioral1/memory/1924-80-0x0000000000430000-0x0000000000814000-memory.dmp	upx
behavioral1/memory/1632-87-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1632-90-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1632-92-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1632-93-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1632-96-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1632-97-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1632-98-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1632-99-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/880-119-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/880-120-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Suspicious use of NtSetInformationThreadHideFromDebugger 7 IoCs

Processes:

RegAsm.exeRegAsm.exeRegAsm.exe

pid process

1924 RegAsm.exe
1924 RegAsm.exe
1924 RegAsm.exe
1924 RegAsm.exe
1924 RegAsm.exe
1632 RegAsm.exe
880 RegAsm.exe

pid	process
1924	RegAsm.exe
1924	RegAsm.exe
1924	RegAsm.exe
1924	RegAsm.exe
1924	RegAsm.exe
1632	RegAsm.exe
880	RegAsm.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

JO37GDDJF5_ETRANSFER_RECEIPT.exenhbyg.exenhbyg.exe

description	pid	process	target process
PID 1048 set thread context of 1924	1048	JO37GDDJF5_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 1316 set thread context of 1632	1316	nhbyg.exe	RegAsm.exe
PID 920 set thread context of 880	920	nhbyg.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

2044 schtasks.exe
1516 schtasks.exe
1868 schtasks.exe

pid	process
2044	schtasks.exe
1516	schtasks.exe
1868	schtasks.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

RegAsm.exeRegAsm.exeRegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1924	RegAsm.exe
Token: SeShutdownPrivilege	1924	RegAsm.exe
Token: SeDebugPrivilege	1632	RegAsm.exe
Token: SeShutdownPrivilege	1632	RegAsm.exe
Token: SeDebugPrivilege	880	RegAsm.exe
Token: SeShutdownPrivilege	880	RegAsm.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

RegAsm.exe

pid process

1924 RegAsm.exe
1924 RegAsm.exe

pid	process
1924	RegAsm.exe
1924	RegAsm.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

JO37GDDJF5_ETRANSFER_RECEIPT.execmd.exetaskeng.exenhbyg.execmd.exenhbyg.execmd.exe

description	pid	process	target process
PID 1048 wrote to memory of 1324	1048	JO37GDDJF5_ETRANSFER_RECEIPT.exe	cmd.exe
PID 1048 wrote to memory of 1324	1048	JO37GDDJF5_ETRANSFER_RECEIPT.exe	cmd.exe
PID 1048 wrote to memory of 1324	1048	JO37GDDJF5_ETRANSFER_RECEIPT.exe	cmd.exe
PID 1048 wrote to memory of 1324	1048	JO37GDDJF5_ETRANSFER_RECEIPT.exe	cmd.exe
PID 1324 wrote to memory of 2044	1324	cmd.exe	schtasks.exe
PID 1324 wrote to memory of 2044	1324	cmd.exe	schtasks.exe
PID 1324 wrote to memory of 2044	1324	cmd.exe	schtasks.exe
PID 1324 wrote to memory of 2044	1324	cmd.exe	schtasks.exe
PID 1048 wrote to memory of 2000	1048	JO37GDDJF5_ETRANSFER_RECEIPT.exe	cmd.exe
PID 1048 wrote to memory of 2000	1048	JO37GDDJF5_ETRANSFER_RECEIPT.exe	cmd.exe
PID 1048 wrote to memory of 2000	1048	JO37GDDJF5_ETRANSFER_RECEIPT.exe	cmd.exe
PID 1048 wrote to memory of 2000	1048	JO37GDDJF5_ETRANSFER_RECEIPT.exe	cmd.exe
PID 1048 wrote to memory of 1924	1048	JO37GDDJF5_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 1048 wrote to memory of 1924	1048	JO37GDDJF5_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 1048 wrote to memory of 1924	1048	JO37GDDJF5_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 1048 wrote to memory of 1924	1048	JO37GDDJF5_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 1048 wrote to memory of 1924	1048	JO37GDDJF5_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 1048 wrote to memory of 1924	1048	JO37GDDJF5_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 1048 wrote to memory of 1924	1048	JO37GDDJF5_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 1048 wrote to memory of 1924	1048	JO37GDDJF5_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 1048 wrote to memory of 1924	1048	JO37GDDJF5_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 1048 wrote to memory of 1924	1048	JO37GDDJF5_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 1048 wrote to memory of 1924	1048	JO37GDDJF5_ETRANSFER_RECEIPT.exe	RegAsm.exe
PID 1616 wrote to memory of 1316	1616	taskeng.exe	nhbyg.exe
PID 1616 wrote to memory of 1316	1616	taskeng.exe	nhbyg.exe
PID 1616 wrote to memory of 1316	1616	taskeng.exe	nhbyg.exe
PID 1616 wrote to memory of 1316	1616	taskeng.exe	nhbyg.exe
PID 1316 wrote to memory of 1164	1316	nhbyg.exe	cmd.exe
PID 1316 wrote to memory of 1164	1316	nhbyg.exe	cmd.exe
PID 1316 wrote to memory of 1164	1316	nhbyg.exe	cmd.exe
PID 1316 wrote to memory of 1164	1316	nhbyg.exe	cmd.exe
PID 1164 wrote to memory of 1516	1164	cmd.exe	schtasks.exe
PID 1164 wrote to memory of 1516	1164	cmd.exe	schtasks.exe
PID 1164 wrote to memory of 1516	1164	cmd.exe	schtasks.exe
PID 1164 wrote to memory of 1516	1164	cmd.exe	schtasks.exe
PID 1316 wrote to memory of 576	1316	nhbyg.exe	cmd.exe
PID 1316 wrote to memory of 576	1316	nhbyg.exe	cmd.exe
PID 1316 wrote to memory of 576	1316	nhbyg.exe	cmd.exe
PID 1316 wrote to memory of 576	1316	nhbyg.exe	cmd.exe
PID 1316 wrote to memory of 1632	1316	nhbyg.exe	RegAsm.exe
PID 1316 wrote to memory of 1632	1316	nhbyg.exe	RegAsm.exe
PID 1316 wrote to memory of 1632	1316	nhbyg.exe	RegAsm.exe
PID 1316 wrote to memory of 1632	1316	nhbyg.exe	RegAsm.exe
PID 1316 wrote to memory of 1632	1316	nhbyg.exe	RegAsm.exe
PID 1316 wrote to memory of 1632	1316	nhbyg.exe	RegAsm.exe
PID 1316 wrote to memory of 1632	1316	nhbyg.exe	RegAsm.exe
PID 1316 wrote to memory of 1632	1316	nhbyg.exe	RegAsm.exe
PID 1316 wrote to memory of 1632	1316	nhbyg.exe	RegAsm.exe
PID 1316 wrote to memory of 1632	1316	nhbyg.exe	RegAsm.exe
PID 1316 wrote to memory of 1632	1316	nhbyg.exe	RegAsm.exe
PID 1616 wrote to memory of 920	1616	taskeng.exe	nhbyg.exe
PID 1616 wrote to memory of 920	1616	taskeng.exe	nhbyg.exe
PID 1616 wrote to memory of 920	1616	taskeng.exe	nhbyg.exe
PID 1616 wrote to memory of 920	1616	taskeng.exe	nhbyg.exe
PID 920 wrote to memory of 1324	920	nhbyg.exe	cmd.exe
PID 920 wrote to memory of 1324	920	nhbyg.exe	cmd.exe
PID 920 wrote to memory of 1324	920	nhbyg.exe	cmd.exe
PID 920 wrote to memory of 1324	920	nhbyg.exe	cmd.exe
PID 1324 wrote to memory of 1868	1324	cmd.exe	schtasks.exe
PID 1324 wrote to memory of 1868	1324	cmd.exe	schtasks.exe
PID 1324 wrote to memory of 1868	1324	cmd.exe	schtasks.exe
PID 1324 wrote to memory of 1868	1324	cmd.exe	schtasks.exe
PID 920 wrote to memory of 1128	920	nhbyg.exe	cmd.exe
PID 920 wrote to memory of 1128	920	nhbyg.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\JO37GDDJF5_ETRANSFER_RECEIPT.exe
"C:\Users\Admin\AppData\Local\Temp\JO37GDDJF5_ETRANSFER_RECEIPT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1048
- 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:1324
- - 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:2044
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C copy "C:\Users\Admin\AppData\Local\Temp\JO37GDDJF5_ETRANSFER_RECEIPT.exe" "C:\Users\Admin\AppData\Roaming\nhbyg.exe"
  2⤵
  PID:2000
- 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:1924

C:\Windows\system32\taskeng.exe
taskeng.exe {11E3AA29-65E9-4872-8E12-C2F5C8DB7D82} S-1-5-21-2277218442-1199762539-2004043321-1000:AUVQQRRF\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1616
- 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:1316
- - 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:1164
  - - 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:1516
- - 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:576
- - 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:1632
- 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:920
- - 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:1324
  - - 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:1868
- - 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:1128
- - 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:880

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

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\Roaming\nhbyg.exe

Filesize
300.0MB

MD5
9f791a0a9f76db609b44f0e3bf7bdef5

SHA1
0481f2e178c7a34b3d855e5c53553337fe2008ed

SHA256
ccd71d751bf017dee31f76eceded9aa6832f5e19b5389584d3665f76b4f0caf2

SHA512
06889bebdf092e4f1563e697e9c619a147954ffcb1f9dd9e9a9238d1410442373f95558c02e6bae6f5d832f89a46eab8b08114699f7321ce2e1150a69f1ad1ee

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

Filesize
300.0MB

MD5
9f791a0a9f76db609b44f0e3bf7bdef5

SHA1
0481f2e178c7a34b3d855e5c53553337fe2008ed

SHA256
ccd71d751bf017dee31f76eceded9aa6832f5e19b5389584d3665f76b4f0caf2

SHA512
06889bebdf092e4f1563e697e9c619a147954ffcb1f9dd9e9a9238d1410442373f95558c02e6bae6f5d832f89a46eab8b08114699f7321ce2e1150a69f1ad1ee

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

Filesize
300.0MB

MD5
9f791a0a9f76db609b44f0e3bf7bdef5

SHA1
0481f2e178c7a34b3d855e5c53553337fe2008ed

SHA256
ccd71d751bf017dee31f76eceded9aa6832f5e19b5389584d3665f76b4f0caf2

SHA512
06889bebdf092e4f1563e697e9c619a147954ffcb1f9dd9e9a9238d1410442373f95558c02e6bae6f5d832f89a46eab8b08114699f7321ce2e1150a69f1ad1ee

Download Submit
memory/576-85-0x0000000000000000-mapping.dmp

Download
memory/880-120-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/880-119-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/880-112-0x00000000007E2730-mapping.dmp

Download
memory/920-102-0x00000000000D0000-0x0000000000264000-memory.dmp

Filesize
1.6MB

Download
memory/920-100-0x0000000000000000-mapping.dmp

Download
memory/1048-55-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

Filesize
8KB

Download
memory/1048-54-0x0000000000240000-0x00000000003D4000-memory.dmp

Filesize
1.6MB

Download
memory/1048-56-0x0000000004FB0000-0x0000000005126000-memory.dmp

Filesize
1.5MB

Download
memory/1128-106-0x0000000000000000-mapping.dmp

Download
memory/1164-83-0x0000000000000000-mapping.dmp

Download
memory/1316-71-0x0000000000FF0000-0x0000000001184000-memory.dmp

Filesize
1.6MB

Download
memory/1316-65-0x0000000000000000-mapping.dmp

Download
memory/1324-104-0x0000000000000000-mapping.dmp

Download
memory/1324-57-0x0000000000000000-mapping.dmp

Download
memory/1516-84-0x0000000000000000-mapping.dmp

Download
memory/1632-98-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1632-97-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1632-99-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1632-96-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1632-93-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1632-91-0x00000000007E2730-mapping.dmp

Download
memory/1632-86-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1632-87-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1632-90-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1632-92-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1868-105-0x0000000000000000-mapping.dmp

Download
memory/1924-75-0x0000000000430000-0x0000000000814000-memory.dmp

Filesize
3.9MB

Download
memory/1924-69-0x0000000000430000-0x0000000000814000-memory.dmp

Filesize
3.9MB

Download
memory/1924-81-0x00000000001A0000-0x00000000001AA000-memory.dmp

Filesize
40KB

Download
memory/1924-77-0x0000000000430000-0x0000000000814000-memory.dmp

Filesize
3.9MB

Download
memory/1924-82-0x00000000001A0000-0x00000000001AA000-memory.dmp

Filesize
40KB

Download
memory/1924-78-0x00000000001A0000-0x00000000001AA000-memory.dmp

Filesize
40KB

Download
memory/1924-70-0x0000000000430000-0x0000000000814000-memory.dmp

Filesize
3.9MB

Download
memory/1924-80-0x0000000000430000-0x0000000000814000-memory.dmp

Filesize
3.9MB

Download
memory/1924-68-0x00000000007E2730-mapping.dmp

Download
memory/1924-79-0x00000000001A0000-0x00000000001AA000-memory.dmp

Filesize
40KB

Download
memory/1924-63-0x0000000000430000-0x0000000000814000-memory.dmp

Filesize
3.9MB

Download
memory/1924-61-0x00000000006A2000-0x0000000000813000-memory.dmp

Filesize
1.4MB

Download
memory/2000-59-0x0000000000000000-mapping.dmp

Download
memory/2044-58-0x0000000000000000-mapping.dmp

Download