bitrat | c8e1ce5d1216e1e068af5fc38b107b78f32372f69d59b4f1e6a456770ded8744

General

Target

fxdgf.exe
Size

1.7MB
MD5

6505bd7c5e3775f45522cead41f38882
SHA1

c13140dc82455007a70c7747b4f6aaee5e549315
SHA256

c8e1ce5d1216e1e068af5fc38b107b78f32372f69d59b4f1e6a456770ded8744
SHA512

96998ce4683585d2913d3526bbdc48180fc373feb6e02320fff948284a4aeea9136886a2a8ffc5574c9b0651f8ce239ec81be717a9ed163f9e2442b70587ec5e

Score

10^/10

bitrat suricata 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
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:

fxdgf.exefxdgf.exe

pid process

1004 fxdgf.exe
952 fxdgf.exe

pid	process
1004	fxdgf.exe
952	fxdgf.exe

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/476-60-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/476-62-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/476-63-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/476-65-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/476-66-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/476-69-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/476-70-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/476-71-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/476-74-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/872-97-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/872-98-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

Processes:

RegAsm.exeRegAsm.exe

pid process

476 RegAsm.exe
476 RegAsm.exe
476 RegAsm.exe
476 RegAsm.exe
476 RegAsm.exe
872 RegAsm.exe

pid	process
476	RegAsm.exe
476	RegAsm.exe
476	RegAsm.exe
476	RegAsm.exe
476	RegAsm.exe
872	RegAsm.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

fxdgf.exefxdgf.exe

description	pid	process	target process
PID 1664 set thread context of 476	1664	fxdgf.exe	RegAsm.exe
PID 1004 set thread context of 872	1004	fxdgf.exe	RegAsm.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1392 schtasks.exe
1420 schtasks.exe

pid	process
1392	schtasks.exe
1420	schtasks.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

RegAsm.exeRegAsm.exe

description	pid	process
Token: SeDebugPrivilege	476	RegAsm.exe
Token: SeShutdownPrivilege	476	RegAsm.exe
Token: SeDebugPrivilege	872	RegAsm.exe
Token: SeShutdownPrivilege	872	RegAsm.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

RegAsm.exe

pid process

476 RegAsm.exe
476 RegAsm.exe

pid	process
476	RegAsm.exe
476	RegAsm.exe

Suspicious use of WriteProcessMemory 54 IoCs

Processes:

fxdgf.execmd.exetaskeng.exefxdgf.execmd.exe

description	pid	process	target process
PID 1664 wrote to memory of 1788	1664	fxdgf.exe	cmd.exe
PID 1664 wrote to memory of 1788	1664	fxdgf.exe	cmd.exe
PID 1664 wrote to memory of 1788	1664	fxdgf.exe	cmd.exe
PID 1664 wrote to memory of 1788	1664	fxdgf.exe	cmd.exe
PID 1788 wrote to memory of 1392	1788	cmd.exe	schtasks.exe
PID 1788 wrote to memory of 1392	1788	cmd.exe	schtasks.exe
PID 1788 wrote to memory of 1392	1788	cmd.exe	schtasks.exe
PID 1788 wrote to memory of 1392	1788	cmd.exe	schtasks.exe
PID 1664 wrote to memory of 2016	1664	fxdgf.exe	cmd.exe
PID 1664 wrote to memory of 2016	1664	fxdgf.exe	cmd.exe
PID 1664 wrote to memory of 2016	1664	fxdgf.exe	cmd.exe
PID 1664 wrote to memory of 2016	1664	fxdgf.exe	cmd.exe
PID 1664 wrote to memory of 476	1664	fxdgf.exe	RegAsm.exe
PID 1664 wrote to memory of 476	1664	fxdgf.exe	RegAsm.exe
PID 1664 wrote to memory of 476	1664	fxdgf.exe	RegAsm.exe
PID 1664 wrote to memory of 476	1664	fxdgf.exe	RegAsm.exe
PID 1664 wrote to memory of 476	1664	fxdgf.exe	RegAsm.exe
PID 1664 wrote to memory of 476	1664	fxdgf.exe	RegAsm.exe
PID 1664 wrote to memory of 476	1664	fxdgf.exe	RegAsm.exe
PID 1664 wrote to memory of 476	1664	fxdgf.exe	RegAsm.exe
PID 1664 wrote to memory of 476	1664	fxdgf.exe	RegAsm.exe
PID 1664 wrote to memory of 476	1664	fxdgf.exe	RegAsm.exe
PID 1664 wrote to memory of 476	1664	fxdgf.exe	RegAsm.exe
PID 1156 wrote to memory of 1004	1156	taskeng.exe	fxdgf.exe
PID 1156 wrote to memory of 1004	1156	taskeng.exe	fxdgf.exe
PID 1156 wrote to memory of 1004	1156	taskeng.exe	fxdgf.exe
PID 1156 wrote to memory of 1004	1156	taskeng.exe	fxdgf.exe
PID 1004 wrote to memory of 1380	1004	fxdgf.exe	cmd.exe
PID 1004 wrote to memory of 1380	1004	fxdgf.exe	cmd.exe
PID 1004 wrote to memory of 1380	1004	fxdgf.exe	cmd.exe
PID 1004 wrote to memory of 1380	1004	fxdgf.exe	cmd.exe
PID 1380 wrote to memory of 1420	1380	cmd.exe	schtasks.exe
PID 1380 wrote to memory of 1420	1380	cmd.exe	schtasks.exe
PID 1380 wrote to memory of 1420	1380	cmd.exe	schtasks.exe
PID 1380 wrote to memory of 1420	1380	cmd.exe	schtasks.exe
PID 1004 wrote to memory of 988	1004	fxdgf.exe	cmd.exe
PID 1004 wrote to memory of 988	1004	fxdgf.exe	cmd.exe
PID 1004 wrote to memory of 988	1004	fxdgf.exe	cmd.exe
PID 1004 wrote to memory of 988	1004	fxdgf.exe	cmd.exe
PID 1004 wrote to memory of 872	1004	fxdgf.exe	RegAsm.exe
PID 1004 wrote to memory of 872	1004	fxdgf.exe	RegAsm.exe
PID 1004 wrote to memory of 872	1004	fxdgf.exe	RegAsm.exe
PID 1004 wrote to memory of 872	1004	fxdgf.exe	RegAsm.exe
PID 1004 wrote to memory of 872	1004	fxdgf.exe	RegAsm.exe
PID 1004 wrote to memory of 872	1004	fxdgf.exe	RegAsm.exe
PID 1004 wrote to memory of 872	1004	fxdgf.exe	RegAsm.exe
PID 1004 wrote to memory of 872	1004	fxdgf.exe	RegAsm.exe
PID 1004 wrote to memory of 872	1004	fxdgf.exe	RegAsm.exe
PID 1004 wrote to memory of 872	1004	fxdgf.exe	RegAsm.exe
PID 1004 wrote to memory of 872	1004	fxdgf.exe	RegAsm.exe
PID 1156 wrote to memory of 952	1156	taskeng.exe	fxdgf.exe
PID 1156 wrote to memory of 952	1156	taskeng.exe	fxdgf.exe
PID 1156 wrote to memory of 952	1156	taskeng.exe	fxdgf.exe
PID 1156 wrote to memory of 952	1156	taskeng.exe	fxdgf.exe

C:\Users\Admin\AppData\Local\Temp\fxdgf.exe
"C:\Users\Admin\AppData\Local\Temp\fxdgf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1664

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafdnasia" /tr "'C:\Users\Admin\AppData\Roaming\fxdgf.exe'" /f
2⤵
- Suspicious use of WriteProcessMemory
PID:1788

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafdnasia" /tr "'C:\Users\Admin\AppData\Roaming\fxdgf.exe'" /f
3⤵
- Creates scheduled task(s)
PID:1392

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C copy "C:\Users\Admin\AppData\Local\Temp\fxdgf.exe" "C:\Users\Admin\AppData\Roaming\fxdgf.exe"
2⤵
PID:2016

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:476

C:\Windows\system32\taskeng.exe
taskeng.exe {FD706D68-220E-4173-AF1D-D614C512A891} S-1-5-21-1819626980-2277161760-1023733287-1000:TBHNEBSE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1156

C:\Users\Admin\AppData\Roaming\fxdgf.exe
C:\Users\Admin\AppData\Roaming\fxdgf.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1004

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafdnasia" /tr "'C:\Users\Admin\AppData\Roaming\fxdgf.exe'" /f
3⤵
- Suspicious use of WriteProcessMemory
PID:1380

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafdnasia" /tr "'C:\Users\Admin\AppData\Roaming\fxdgf.exe'" /f
4⤵
- Creates scheduled task(s)
PID:1420

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C copy "C:\Users\Admin\AppData\Roaming\fxdgf.exe" "C:\Users\Admin\AppData\Roaming\fxdgf.exe"
3⤵
PID:988

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:872

C:\Users\Admin\AppData\Roaming\fxdgf.exe
C:\Users\Admin\AppData\Roaming\fxdgf.exe
2⤵
- Executes dropped EXE
PID:952

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\fxdgf.exe
Filesize
1.7MB

MD5
6505bd7c5e3775f45522cead41f38882

SHA1
c13140dc82455007a70c7747b4f6aaee5e549315

SHA256
c8e1ce5d1216e1e068af5fc38b107b78f32372f69d59b4f1e6a456770ded8744

SHA512
96998ce4683585d2913d3526bbdc48180fc373feb6e02320fff948284a4aeea9136886a2a8ffc5574c9b0651f8ce239ec81be717a9ed163f9e2442b70587ec5e

Download Submit
C:\Users\Admin\AppData\Roaming\fxdgf.exe
Filesize
1.7MB

MD5
6505bd7c5e3775f45522cead41f38882

SHA1
c13140dc82455007a70c7747b4f6aaee5e549315

SHA256
c8e1ce5d1216e1e068af5fc38b107b78f32372f69d59b4f1e6a456770ded8744

SHA512
96998ce4683585d2913d3526bbdc48180fc373feb6e02320fff948284a4aeea9136886a2a8ffc5574c9b0651f8ce239ec81be717a9ed163f9e2442b70587ec5e

Download Submit
C:\Users\Admin\AppData\Roaming\fxdgf.exe
Filesize
1.7MB

MD5
6505bd7c5e3775f45522cead41f38882

SHA1
c13140dc82455007a70c7747b4f6aaee5e549315

SHA256
c8e1ce5d1216e1e068af5fc38b107b78f32372f69d59b4f1e6a456770ded8744

SHA512
96998ce4683585d2913d3526bbdc48180fc373feb6e02320fff948284a4aeea9136886a2a8ffc5574c9b0651f8ce239ec81be717a9ed163f9e2442b70587ec5e

Download Submit
memory/476-73-0x00000000000B0000-0x00000000000BA000-memory.dmp

Filesize
40KB

Download
memory/476-59-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/476-75-0x00000000000B0000-0x00000000000BA000-memory.dmp

Filesize
40KB

Download
memory/476-60-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/476-62-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/476-63-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/476-64-0x00000000007E2730-mapping.dmp

Download
memory/476-65-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/476-66-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/476-69-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/476-70-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/476-71-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/476-72-0x00000000000B0000-0x00000000000BA000-memory.dmp

Filesize
40KB

Download
memory/476-74-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/476-76-0x00000000000B0000-0x00000000000BA000-memory.dmp

Filesize
40KB

Download
memory/872-98-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/872-97-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/872-90-0x00000000007E2730-mapping.dmp

Download
memory/952-101-0x00000000012F0000-0x000000000149E000-memory.dmp

Filesize
1.7MB

Download
memory/952-99-0x0000000000000000-mapping.dmp

Download
memory/988-84-0x0000000000000000-mapping.dmp

Download
memory/1004-80-0x0000000000D70000-0x0000000000F1E000-memory.dmp

Filesize
1.7MB

Download
memory/1004-78-0x0000000000000000-mapping.dmp

Download
memory/1380-82-0x0000000000000000-mapping.dmp

Download
memory/1392-57-0x0000000000000000-mapping.dmp

Download
memory/1420-83-0x0000000000000000-mapping.dmp

Download
memory/1664-55-0x0000000074E91000-0x0000000074E93000-memory.dmp

Filesize
8KB

Download
memory/1664-54-0x0000000000EA0000-0x000000000104E000-memory.dmp

Filesize
1.7MB

Download
memory/1788-56-0x0000000000000000-mapping.dmp

Download
memory/2016-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads