bitrat | 33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3

General

Target

Fgmre.exe
Size

6.1MB
MD5

fab73af287c1c2d2c9f7eb56ae418c2a
SHA1

b9afbf362fd3a04290b37a2abafece67fba21b1b
SHA256

33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3
SHA512

c5a5803b097509967ff09a401d4f8d055a837c66f4bb257576513519233b40890bb8663ce08eddead348dacdace3d1212e3522480fbd6fe3a5e909970f442bab
SSDEEP

98304:wVV8V0jkxwDuoUprzpnNHNVDNHVq4t2KsNStyoXpGQL4+bMzvIBkKAPLf:w7E0oCu9NtVJFRGQLcH

Score

10^/10

bitrat persistence trojan

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

smgqnt3eixxksasu.xyz:1234

Attributes

communication_password
30afda4853ef5b1bc36463ba95d84247
tor_process
tor

Signatures

BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
trojan bitrat
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

vYRGEmdytJYbNOrT.exe

pid process

1960 vYRGEmdytJYbNOrT.exe
Loads dropped DLL 4 IoCs

Processes:

aspnet_compiler.exe

pid process

2556 aspnet_compiler.exe
2556 aspnet_compiler.exe
2556 aspnet_compiler.exe
2556 aspnet_compiler.exe

pid	process
1960	vYRGEmdytJYbNOrT.exe

pid	process
2556	aspnet_compiler.exe
2556	aspnet_compiler.exe
2556	aspnet_compiler.exe
2556	aspnet_compiler.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Fgmre.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Windows\CurrentVersion\Run\checkupdater = "C:\\Users\\Admin\\AppData\\Local\\checkupdater.exe"	Fgmre.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

aspnet_compiler.exe

pid process

2556 aspnet_compiler.exe
2556 aspnet_compiler.exe
2556 aspnet_compiler.exe
2556 aspnet_compiler.exe
2556 aspnet_compiler.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Fgmre.exe

description pid process target process

PID 2812 set thread context of 2556 2812 Fgmre.exe aspnet_compiler.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Fgmre.exe

pid process

2812 Fgmre.exe

pid	process
2556	aspnet_compiler.exe
2556	aspnet_compiler.exe
2556	aspnet_compiler.exe
2556	aspnet_compiler.exe
2556	aspnet_compiler.exe

description	pid	process	target process
PID 2812 set thread context of 2556	2812	Fgmre.exe	aspnet_compiler.exe

pid	process
2812	Fgmre.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Fgmre.exeaspnet_compiler.exe

description	pid	process
Token: SeDebugPrivilege	2812	Fgmre.exe
Token: SeDebugPrivilege	2556	aspnet_compiler.exe
Token: SeShutdownPrivilege	2556	aspnet_compiler.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

aspnet_compiler.exe

pid process

2556 aspnet_compiler.exe
2556 aspnet_compiler.exe

pid	process
2556	aspnet_compiler.exe
2556	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Fgmre.exeaspnet_compiler.exe

description	pid	process	target process
PID 2812 wrote to memory of 2556	2812	Fgmre.exe	aspnet_compiler.exe
PID 2812 wrote to memory of 2556	2812	Fgmre.exe	aspnet_compiler.exe
PID 2812 wrote to memory of 2556	2812	Fgmre.exe	aspnet_compiler.exe
PID 2812 wrote to memory of 2556	2812	Fgmre.exe	aspnet_compiler.exe
PID 2812 wrote to memory of 2556	2812	Fgmre.exe	aspnet_compiler.exe
PID 2812 wrote to memory of 2556	2812	Fgmre.exe	aspnet_compiler.exe
PID 2812 wrote to memory of 2556	2812	Fgmre.exe	aspnet_compiler.exe
PID 2812 wrote to memory of 2556	2812	Fgmre.exe	aspnet_compiler.exe
PID 2812 wrote to memory of 2556	2812	Fgmre.exe	aspnet_compiler.exe
PID 2812 wrote to memory of 2556	2812	Fgmre.exe	aspnet_compiler.exe
PID 2812 wrote to memory of 2556	2812	Fgmre.exe	aspnet_compiler.exe
PID 2812 wrote to memory of 2556	2812	Fgmre.exe	aspnet_compiler.exe
PID 2556 wrote to memory of 1960	2556	aspnet_compiler.exe	vYRGEmdytJYbNOrT.exe
PID 2556 wrote to memory of 1960	2556	aspnet_compiler.exe	vYRGEmdytJYbNOrT.exe
PID 2556 wrote to memory of 1960	2556	aspnet_compiler.exe	vYRGEmdytJYbNOrT.exe
PID 2556 wrote to memory of 1960	2556	aspnet_compiler.exe	vYRGEmdytJYbNOrT.exe

C:\Users\Admin\AppData\Local\Temp\Fgmre.exe
"C:\Users\Admin\AppData\Local\Temp\Fgmre.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2812

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
2⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2556

C:\Users\Admin\AppData\Local\Temp\vYRGEmdytJYbNOrT.exe
"C:\Users\Admin\AppData\Local\Temp\vYRGEmdytJYbNOrT.exe"
3⤵
- Executes dropped EXE
PID:1960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\NO1NR40C\Fgmre[1].exe
Filesize
6.1MB

MD5
fab73af287c1c2d2c9f7eb56ae418c2a

SHA1
b9afbf362fd3a04290b37a2abafece67fba21b1b

SHA256
33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3

SHA512
c5a5803b097509967ff09a401d4f8d055a837c66f4bb257576513519233b40890bb8663ce08eddead348dacdace3d1212e3522480fbd6fe3a5e909970f442bab

Download Submit
C:\Users\Admin\AppData\Local\Temp\vYRGEmdytJYbNOrT.exe
Filesize
6.1MB

MD5
fab73af287c1c2d2c9f7eb56ae418c2a

SHA1
b9afbf362fd3a04290b37a2abafece67fba21b1b

SHA256
33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3

SHA512
c5a5803b097509967ff09a401d4f8d055a837c66f4bb257576513519233b40890bb8663ce08eddead348dacdace3d1212e3522480fbd6fe3a5e909970f442bab

Download Submit
C:\Users\Admin\AppData\Local\Temp\vYRGEmdytJYbNOrT.exe
Filesize
6.1MB

MD5
fab73af287c1c2d2c9f7eb56ae418c2a

SHA1
b9afbf362fd3a04290b37a2abafece67fba21b1b

SHA256
33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3

SHA512
c5a5803b097509967ff09a401d4f8d055a837c66f4bb257576513519233b40890bb8663ce08eddead348dacdace3d1212e3522480fbd6fe3a5e909970f442bab

Download Submit
\Users\Admin\AppData\Local\Temp\vYRGEmdytJYbNOrT.exe
Filesize
6.1MB

MD5
fab73af287c1c2d2c9f7eb56ae418c2a

SHA1
b9afbf362fd3a04290b37a2abafece67fba21b1b

SHA256
33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3

SHA512
c5a5803b097509967ff09a401d4f8d055a837c66f4bb257576513519233b40890bb8663ce08eddead348dacdace3d1212e3522480fbd6fe3a5e909970f442bab

Download Submit
\Users\Admin\AppData\Local\Temp\vYRGEmdytJYbNOrT.exe
Filesize
6.1MB

MD5
fab73af287c1c2d2c9f7eb56ae418c2a

SHA1
b9afbf362fd3a04290b37a2abafece67fba21b1b

SHA256
33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3

SHA512
c5a5803b097509967ff09a401d4f8d055a837c66f4bb257576513519233b40890bb8663ce08eddead348dacdace3d1212e3522480fbd6fe3a5e909970f442bab

Download Submit
\Users\Admin\AppData\Local\Temp\vYRGEmdytJYbNOrT.exe
Filesize
6.1MB

MD5
fab73af287c1c2d2c9f7eb56ae418c2a

SHA1
b9afbf362fd3a04290b37a2abafece67fba21b1b

SHA256
33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3

SHA512
c5a5803b097509967ff09a401d4f8d055a837c66f4bb257576513519233b40890bb8663ce08eddead348dacdace3d1212e3522480fbd6fe3a5e909970f442bab

Download Submit
\Users\Admin\AppData\Local\Temp\vYRGEmdytJYbNOrT.exe
Filesize
6.1MB

MD5
fab73af287c1c2d2c9f7eb56ae418c2a

SHA1
b9afbf362fd3a04290b37a2abafece67fba21b1b

SHA256
33d1fbfef24cf1945248cfdc35c9338aec58774838d2c8b16d7609e8badd60a3

SHA512
c5a5803b097509967ff09a401d4f8d055a837c66f4bb257576513519233b40890bb8663ce08eddead348dacdace3d1212e3522480fbd6fe3a5e909970f442bab

Download Submit
memory/1960-77-0x0000000004FA0000-0x0000000004FE0000-memory.dmp

Filesize
256KB

Download
memory/1960-76-0x0000000072FE0000-0x00000000736CE000-memory.dmp

Filesize
6.9MB

Download
memory/1960-71-0x0000000004FA0000-0x0000000004FE0000-memory.dmp

Filesize
256KB

Download
memory/1960-70-0x00000000002E0000-0x0000000000904000-memory.dmp

Filesize
6.1MB

Download
memory/1960-69-0x0000000072FE0000-0x00000000736CE000-memory.dmp

Filesize
6.9MB

Download
memory/2556-18-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-40-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-88-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2556-21-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-84-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-24-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-25-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-26-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-27-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-29-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-30-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-31-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-32-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-33-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-34-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-35-0x0000000000140000-0x000000000014A000-memory.dmp

Filesize
40KB

Download
memory/2556-36-0x0000000000140000-0x000000000014A000-memory.dmp

Filesize
40KB

Download
memory/2556-37-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-38-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-39-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-17-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-41-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-42-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-44-0x0000000000140000-0x000000000014A000-memory.dmp

Filesize
40KB

Download
memory/2556-45-0x0000000000140000-0x000000000014A000-memory.dmp

Filesize
40KB

Download
memory/2556-48-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-16-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-15-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-13-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-11-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-9-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-66-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-80-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2556-74-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/2812-5-0x0000000000350000-0x000000000039C000-memory.dmp

Filesize
304KB

Download
memory/2812-4-0x0000000005620000-0x0000000005814000-memory.dmp

Filesize
2.0MB

Download
memory/2812-3-0x0000000004FA0000-0x0000000004FE0000-memory.dmp

Filesize
256KB

Download
memory/2812-6-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2812-2-0x0000000004FE0000-0x00000000051E6000-memory.dmp

Filesize
2.0MB

Download
memory/2812-1-0x0000000001300000-0x0000000001924000-memory.dmp

Filesize
6.1MB

Download
memory/2812-7-0x0000000004FA0000-0x0000000004FE0000-memory.dmp

Filesize
256KB

Download
memory/2812-23-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2812-0-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads