bitrat | b16a424da66859604542b125c1db27fedd52eb23db2d7459299849408c739d71

Analysis

max time kernel
142s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21-03-2024 03:37

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General

Target

da9812a342b10c1429a60af815cc85f5.exe
Size

2.7MB
MD5

da9812a342b10c1429a60af815cc85f5
SHA1

3a81dace6a19ccd2564564c90e92099addcf539a
SHA256

b16a424da66859604542b125c1db27fedd52eb23db2d7459299849408c739d71
SHA512

e7c6736493603dc10f0d7675d8d667fb8418449c4e2f8e555a7a47e7e8254964d72a86a576f810a1084e53959934ff64323a659b690d40021796111606e3803a
SSDEEP

49152:UTCl/+XjmjnJ1vN0kGOWmSPrH+HVGvzzRUc6lwuZ1cT2/LRS:2O/jrykGOWmSK1AajZ1c6T0

Score

10^/10

bitrat trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.35

storage.nsupdate.info:8973

Attributes

communication_password
bf771c9d082071fe80b18bb678220682
tor_process
tor

Signatures

BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
trojan bitrat

UPX packed file 24 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1864-30-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1864-32-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1864-37-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1864-45-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1864-46-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1864-48-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1864-47-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1864-49-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1864-50-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1864-51-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1864-53-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1864-52-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1864-54-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1864-56-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1864-60-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1864-61-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1864-62-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1864-63-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1864-64-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1864-65-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1864-66-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1864-67-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1864-68-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1864-69-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

MSBuild.exe

pid process

1864 MSBuild.exe
1864 MSBuild.exe
1864 MSBuild.exe
1864 MSBuild.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

da9812a342b10c1429a60af815cc85f5.exe

description pid process target process

PID 2168 set thread context of 1864 2168 da9812a342b10c1429a60af815cc85f5.exe MSBuild.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2360 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

da9812a342b10c1429a60af815cc85f5.exepowershell.exepowershell.exepowershell.exe

pid process

2168 da9812a342b10c1429a60af815cc85f5.exe
2168 da9812a342b10c1429a60af815cc85f5.exe
940 powershell.exe
2392 powershell.exe
2472 powershell.exe

pid	process
1864	MSBuild.exe
1864	MSBuild.exe
1864	MSBuild.exe
1864	MSBuild.exe

description	pid	process	target process
PID 2168 set thread context of 1864	2168	da9812a342b10c1429a60af815cc85f5.exe	MSBuild.exe

pid	process
2360	schtasks.exe

pid	process
2168	da9812a342b10c1429a60af815cc85f5.exe
2168	da9812a342b10c1429a60af815cc85f5.exe
940	powershell.exe
2392	powershell.exe
2472	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

da9812a342b10c1429a60af815cc85f5.exepowershell.exepowershell.exepowershell.exeMSBuild.exe

description	pid	process
Token: SeDebugPrivilege	2168	da9812a342b10c1429a60af815cc85f5.exe
Token: SeDebugPrivilege	940	powershell.exe
Token: SeDebugPrivilege	2392	powershell.exe
Token: SeDebugPrivilege	2472	powershell.exe
Token: SeDebugPrivilege	1864	MSBuild.exe
Token: SeShutdownPrivilege	1864	MSBuild.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

MSBuild.exe

pid process

1864 MSBuild.exe
1864 MSBuild.exe

pid	process
1864	MSBuild.exe
1864	MSBuild.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

da9812a342b10c1429a60af815cc85f5.exe

description	pid	process	target process
PID 2168 wrote to memory of 2392	2168	da9812a342b10c1429a60af815cc85f5.exe	powershell.exe
PID 2168 wrote to memory of 2392	2168	da9812a342b10c1429a60af815cc85f5.exe	powershell.exe
PID 2168 wrote to memory of 2392	2168	da9812a342b10c1429a60af815cc85f5.exe	powershell.exe
PID 2168 wrote to memory of 2392	2168	da9812a342b10c1429a60af815cc85f5.exe	powershell.exe
PID 2168 wrote to memory of 2472	2168	da9812a342b10c1429a60af815cc85f5.exe	powershell.exe
PID 2168 wrote to memory of 2472	2168	da9812a342b10c1429a60af815cc85f5.exe	powershell.exe
PID 2168 wrote to memory of 2472	2168	da9812a342b10c1429a60af815cc85f5.exe	powershell.exe
PID 2168 wrote to memory of 2472	2168	da9812a342b10c1429a60af815cc85f5.exe	powershell.exe
PID 2168 wrote to memory of 2360	2168	da9812a342b10c1429a60af815cc85f5.exe	schtasks.exe
PID 2168 wrote to memory of 2360	2168	da9812a342b10c1429a60af815cc85f5.exe	schtasks.exe
PID 2168 wrote to memory of 2360	2168	da9812a342b10c1429a60af815cc85f5.exe	schtasks.exe
PID 2168 wrote to memory of 2360	2168	da9812a342b10c1429a60af815cc85f5.exe	schtasks.exe
PID 2168 wrote to memory of 940	2168	da9812a342b10c1429a60af815cc85f5.exe	powershell.exe
PID 2168 wrote to memory of 940	2168	da9812a342b10c1429a60af815cc85f5.exe	powershell.exe
PID 2168 wrote to memory of 940	2168	da9812a342b10c1429a60af815cc85f5.exe	powershell.exe
PID 2168 wrote to memory of 940	2168	da9812a342b10c1429a60af815cc85f5.exe	powershell.exe
PID 2168 wrote to memory of 1792	2168	da9812a342b10c1429a60af815cc85f5.exe	MSBuild.exe
PID 2168 wrote to memory of 1792	2168	da9812a342b10c1429a60af815cc85f5.exe	MSBuild.exe
PID 2168 wrote to memory of 1792	2168	da9812a342b10c1429a60af815cc85f5.exe	MSBuild.exe
PID 2168 wrote to memory of 1792	2168	da9812a342b10c1429a60af815cc85f5.exe	MSBuild.exe
PID 2168 wrote to memory of 1864	2168	da9812a342b10c1429a60af815cc85f5.exe	MSBuild.exe
PID 2168 wrote to memory of 1864	2168	da9812a342b10c1429a60af815cc85f5.exe	MSBuild.exe
PID 2168 wrote to memory of 1864	2168	da9812a342b10c1429a60af815cc85f5.exe	MSBuild.exe
PID 2168 wrote to memory of 1864	2168	da9812a342b10c1429a60af815cc85f5.exe	MSBuild.exe
PID 2168 wrote to memory of 1864	2168	da9812a342b10c1429a60af815cc85f5.exe	MSBuild.exe
PID 2168 wrote to memory of 1864	2168	da9812a342b10c1429a60af815cc85f5.exe	MSBuild.exe
PID 2168 wrote to memory of 1864	2168	da9812a342b10c1429a60af815cc85f5.exe	MSBuild.exe
PID 2168 wrote to memory of 1864	2168	da9812a342b10c1429a60af815cc85f5.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\da9812a342b10c1429a60af815cc85f5.exe
"C:\Users\Admin\AppData\Local\Temp\da9812a342b10c1429a60af815cc85f5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\da9812a342b10c1429a60af815cc85f5.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2392
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QIkZZSzTmzZHAr.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2472
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QIkZZSzTmzZHAr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp786B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2360
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QIkZZSzTmzZHAr.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:940
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:1792
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp786B.tmp

Filesize
1KB

MD5
61a5e7fd5bc55fabbe7afef99b18c775

SHA1
7f478b68815435240c4057c7bd1c3107c0022b9f

SHA256
9eabfeaaea369780936abcab8e719431f3192a0c504f6f7c0da14d1f1e0293c1

SHA512
7eead2753b1e08aea5a1d8829e4cbfc79b267438389a05cdf1028a569214441ac9b40e37904dc5ab00fbcce1097ce70d870c61cd98b65502a7bec09e36b0ca63

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\SZ4YXGFTL6043I15HZ4P.temp

Filesize
7KB

MD5
5237c8c0afd7449a63fb048db89b848c

SHA1
50035437a7b0f2a97f00786fd9a52195cbd3ee41

SHA256
29bb107286ae8eef1ac7ff420da150ae195558fbbc7d844c89493420991daaf0

SHA512
5c7f68ac67dcbb5b9b51d700c5ab809d7772aa8470b5ed11f6189694800c206646c062b4d26aaea043a5d83f519ef951f64606cfaa0331e0987f7bb24f3d7137

Download Submit
memory/940-57-0x000000006D920000-0x000000006DECB000-memory.dmp

Filesize
5.7MB

Download
memory/940-40-0x000000006D920000-0x000000006DECB000-memory.dmp

Filesize
5.7MB

Download
memory/940-39-0x00000000027D0000-0x0000000002810000-memory.dmp

Filesize
256KB

Download
memory/1864-56-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1864-60-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1864-69-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1864-67-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1864-66-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1864-65-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1864-45-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1864-63-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1864-26-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1864-30-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1864-62-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1864-32-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1864-61-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1864-47-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1864-35-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1864-54-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1864-37-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1864-52-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1864-53-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1864-51-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1864-50-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1864-46-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1864-68-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1864-64-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1864-49-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1864-48-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2168-0-0x00000000011E0000-0x0000000001490000-memory.dmp

Filesize
2.7MB

Download
memory/2168-4-0x0000000073EC0000-0x00000000745AE000-memory.dmp

Filesize
6.9MB

Download
memory/2168-7-0x000000000A0B0000-0x000000000A228000-memory.dmp

Filesize
1.5MB

Download
memory/2168-2-0x0000000000FC0000-0x0000000001000000-memory.dmp

Filesize
256KB

Download
memory/2168-44-0x0000000073EC0000-0x00000000745AE000-memory.dmp

Filesize
6.9MB

Download
memory/2168-3-0x0000000000410000-0x000000000042E000-memory.dmp

Filesize
120KB

Download
memory/2168-5-0x0000000000FC0000-0x0000000001000000-memory.dmp

Filesize
256KB

Download
memory/2168-1-0x0000000073EC0000-0x00000000745AE000-memory.dmp

Filesize
6.9MB

Download
memory/2168-6-0x0000000005A10000-0x0000000005BFE000-memory.dmp

Filesize
1.9MB

Download
memory/2392-20-0x000000006D920000-0x000000006DECB000-memory.dmp

Filesize
5.7MB

Download
memory/2392-59-0x000000006D920000-0x000000006DECB000-memory.dmp

Filesize
5.7MB

Download
memory/2392-36-0x0000000002470000-0x00000000024B0000-memory.dmp

Filesize
256KB

Download
memory/2392-31-0x000000006D920000-0x000000006DECB000-memory.dmp

Filesize
5.7MB

Download
memory/2392-43-0x0000000002470000-0x00000000024B0000-memory.dmp

Filesize
256KB

Download
memory/2392-42-0x0000000002470000-0x00000000024B0000-memory.dmp

Filesize
256KB

Download
memory/2472-34-0x000000006D920000-0x000000006DECB000-memory.dmp

Filesize
5.7MB

Download
memory/2472-29-0x0000000002650000-0x0000000002690000-memory.dmp

Filesize
256KB

Download
memory/2472-27-0x000000006D920000-0x000000006DECB000-memory.dmp

Filesize
5.7MB

Download
memory/2472-41-0x0000000002650000-0x0000000002690000-memory.dmp

Filesize
256KB

Download
memory/2472-58-0x000000006D920000-0x000000006DECB000-memory.dmp

Filesize
5.7MB

Download
memory/2472-38-0x0000000002650000-0x0000000002690000-memory.dmp

Filesize
256KB

Download