bitrat | 99c95ed1a1192492b4f73a54381f02e927ce26dcae0489b63be67401e015cc78

General

Target

Policy-Document.exe
Size

300.0MB
MD5

8a6c934a28abfd03fa9f259a7ced202d
SHA1

1d623700b282fcb94b691c8e6d5473fdac5e3f3e
SHA256

47c38d37274d645b491b7cff7b298049054c18b3ad95064a3b241163a4198106
SHA512

3a51c39eeafbac5f40468118f569dbdc66d76b2fe45376e1d9a0a26c7003a98315457bb06bb68228a75d54d3e18a6c55404d4c3032e1230b32773c61ba5efc3a

Score

10^/10

bitrat trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

yakbitpeople.duckdns.org:9175

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

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral3/memory/1700-59-0x0000000000450000-0x0000000000834000-memory.dmp	upx
behavioral3/memory/1700-62-0x0000000000450000-0x0000000000834000-memory.dmp	upx
behavioral3/memory/1700-63-0x0000000000450000-0x0000000000834000-memory.dmp	upx
behavioral3/memory/1700-70-0x0000000000450000-0x0000000000834000-memory.dmp	upx
behavioral3/memory/1700-72-0x0000000000450000-0x0000000000834000-memory.dmp	upx
behavioral3/memory/1700-75-0x0000000000450000-0x0000000000834000-memory.dmp	upx

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

RegAsm.exe

pid process

1700 RegAsm.exe
1700 RegAsm.exe
1700 RegAsm.exe
1700 RegAsm.exe
1700 RegAsm.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Policy-Document.exe

description pid process target process

PID 1256 set thread context of 1700 1256 Policy-Document.exe RegAsm.exe
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
T1053

Processes:

schtasks.exe

pid process

288 schtasks.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Policy-Document.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 1256 Policy-Document.exe
Token: SeDebugPrivilege 1700 RegAsm.exe
Token: SeShutdownPrivilege 1700 RegAsm.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

RegAsm.exe

pid process

1700 RegAsm.exe
1700 RegAsm.exe

pid	process
1700	RegAsm.exe
1700	RegAsm.exe
1700	RegAsm.exe
1700	RegAsm.exe
1700	RegAsm.exe

description	pid	process	target process
PID 1256 set thread context of 1700	1256	Policy-Document.exe	RegAsm.exe

pid	process
288	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	1256	Policy-Document.exe
Token: SeDebugPrivilege	1700	RegAsm.exe
Token: SeShutdownPrivilege	1700	RegAsm.exe

pid	process
1700	RegAsm.exe
1700	RegAsm.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

Policy-Document.execmd.exe

description	pid	process	target process
PID 1256 wrote to memory of 1700	1256	Policy-Document.exe	RegAsm.exe
PID 1256 wrote to memory of 1700	1256	Policy-Document.exe	RegAsm.exe
PID 1256 wrote to memory of 1700	1256	Policy-Document.exe	RegAsm.exe
PID 1256 wrote to memory of 1700	1256	Policy-Document.exe	RegAsm.exe
PID 1256 wrote to memory of 1700	1256	Policy-Document.exe	RegAsm.exe
PID 1256 wrote to memory of 1700	1256	Policy-Document.exe	RegAsm.exe
PID 1256 wrote to memory of 1700	1256	Policy-Document.exe	RegAsm.exe
PID 1256 wrote to memory of 1700	1256	Policy-Document.exe	RegAsm.exe
PID 1256 wrote to memory of 1700	1256	Policy-Document.exe	RegAsm.exe
PID 1256 wrote to memory of 1700	1256	Policy-Document.exe	RegAsm.exe
PID 1256 wrote to memory of 1700	1256	Policy-Document.exe	RegAsm.exe
PID 1256 wrote to memory of 1696	1256	Policy-Document.exe	cmd.exe
PID 1256 wrote to memory of 1696	1256	Policy-Document.exe	cmd.exe
PID 1256 wrote to memory of 1696	1256	Policy-Document.exe	cmd.exe
PID 1256 wrote to memory of 1696	1256	Policy-Document.exe	cmd.exe
PID 1256 wrote to memory of 1692	1256	Policy-Document.exe	cmd.exe
PID 1256 wrote to memory of 1692	1256	Policy-Document.exe	cmd.exe
PID 1256 wrote to memory of 1692	1256	Policy-Document.exe	cmd.exe
PID 1256 wrote to memory of 1692	1256	Policy-Document.exe	cmd.exe
PID 1256 wrote to memory of 360	1256	Policy-Document.exe	cmd.exe
PID 1256 wrote to memory of 360	1256	Policy-Document.exe	cmd.exe
PID 1256 wrote to memory of 360	1256	Policy-Document.exe	cmd.exe
PID 1256 wrote to memory of 360	1256	Policy-Document.exe	cmd.exe
PID 1692 wrote to memory of 288	1692	cmd.exe	schtasks.exe
PID 1692 wrote to memory of 288	1692	cmd.exe	schtasks.exe
PID 1692 wrote to memory of 288	1692	cmd.exe	schtasks.exe
PID 1692 wrote to memory of 288	1692	cmd.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\Policy-Document.exe
"C:\Users\Admin\AppData\Local\Temp\Policy-Document.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1256

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:1700

C:\Windows\SysWOW64\cmd.exe
"cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\msdtc"
2⤵
PID:1696

C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\Policy-Document.exe" "C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe"
2⤵
PID:360

C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe'" /f
2⤵
- Suspicious use of WriteProcessMemory
PID:1692

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\msdtc\msdtc.exe'" /f
3⤵
- Creates scheduled task(s)
PID:288

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

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Downloads

memory/288-68-0x0000000000000000-mapping.dmp

Download
memory/360-66-0x0000000000000000-mapping.dmp

Download
memory/1256-55-0x0000000075C61000-0x0000000075C63000-memory.dmp

Filesize
8KB

Download
memory/1256-54-0x00000000012F0000-0x00000000014D0000-memory.dmp

Filesize
1.9MB

Download
memory/1692-65-0x0000000000000000-mapping.dmp

Download
memory/1696-64-0x0000000000000000-mapping.dmp

Download
memory/1700-61-0x00000000007E2730-mapping.dmp

Download
memory/1700-63-0x0000000000450000-0x0000000000834000-memory.dmp

Filesize
3.9MB

Download
memory/1700-62-0x0000000000450000-0x0000000000834000-memory.dmp

Filesize
3.9MB

Download
memory/1700-59-0x0000000000450000-0x0000000000834000-memory.dmp

Filesize
3.9MB

Download
memory/1700-57-0x00000000006C2000-0x0000000000833000-memory.dmp

Filesize
1.4MB

Download
memory/1700-70-0x0000000000450000-0x0000000000834000-memory.dmp

Filesize
3.9MB

Download
memory/1700-72-0x0000000000450000-0x0000000000834000-memory.dmp

Filesize
3.9MB

Download
memory/1700-74-0x0000000000130000-0x000000000013A000-memory.dmp

Filesize
40KB

Download
memory/1700-73-0x0000000000130000-0x000000000013A000-memory.dmp

Filesize
40KB

Download
memory/1700-75-0x0000000000450000-0x0000000000834000-memory.dmp

Filesize
3.9MB

Download
memory/1700-76-0x0000000000130000-0x000000000013A000-memory.dmp

Filesize
40KB

Download
memory/1700-77-0x0000000000130000-0x000000000013A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads