bitrat | df9752355297575b5c2175a1bdc6cd63fe26b6c6041282725fbb86db331411ed

General

Target

Interac-e-Transfer-Receipt.exe
Size

300.0MB
MD5

8dac8b61bf8c23264873a3f3bee260f5
SHA1

ba581c38574794324ea714a48671fad7f2384dbe
SHA256

7e4a1f93d53d3962a913e000524344bdcccd6d36d0856b3df38df57d4a8e1df3
SHA512

65ef0b281583e1f8303ff470dc134d8d35ccc394521fd93294cd251220af501137b17d39af91829efe0191e395c2494e1652565895647bf04a46b56fe0eae163

Score

10^/10

bitrat 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
Executes dropped EXE 1 IoCs

Processes:

olkij.exe

pid process

1644 olkij.exe

pid	process
1644	olkij.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1200-59-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1200-61-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1200-62-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1200-64-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1200-65-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1200-68-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1200-69-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1200-70-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral1/memory/1200-73-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

RegAsm.exe

pid process

1200 RegAsm.exe
1200 RegAsm.exe
1200 RegAsm.exe
1200 RegAsm.exe
1200 RegAsm.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Interac-e-Transfer-Receipt.exe

description pid process target process

PID 1124 set thread context of 1200 1124 Interac-e-Transfer-Receipt.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

1964 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 1200 RegAsm.exe
Token: SeShutdownPrivilege 1200 RegAsm.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

RegAsm.exe

pid process

1200 RegAsm.exe
1200 RegAsm.exe

pid	process
1200	RegAsm.exe
1200	RegAsm.exe
1200	RegAsm.exe
1200	RegAsm.exe
1200	RegAsm.exe

description	pid	process	target process
PID 1124 set thread context of 1200	1124	Interac-e-Transfer-Receipt.exe	RegAsm.exe

pid	process
1964	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	1200	RegAsm.exe
Token: SeShutdownPrivilege	1200	RegAsm.exe

pid	process
1200	RegAsm.exe
1200	RegAsm.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

Interac-e-Transfer-Receipt.execmd.exetaskeng.exe

description	pid	process	target process
PID 1124 wrote to memory of 2000	1124	Interac-e-Transfer-Receipt.exe	cmd.exe
PID 1124 wrote to memory of 2000	1124	Interac-e-Transfer-Receipt.exe	cmd.exe
PID 1124 wrote to memory of 2000	1124	Interac-e-Transfer-Receipt.exe	cmd.exe
PID 1124 wrote to memory of 2000	1124	Interac-e-Transfer-Receipt.exe	cmd.exe
PID 1124 wrote to memory of 1488	1124	Interac-e-Transfer-Receipt.exe	cmd.exe
PID 1124 wrote to memory of 1488	1124	Interac-e-Transfer-Receipt.exe	cmd.exe
PID 1124 wrote to memory of 1488	1124	Interac-e-Transfer-Receipt.exe	cmd.exe
PID 1124 wrote to memory of 1488	1124	Interac-e-Transfer-Receipt.exe	cmd.exe
PID 2000 wrote to memory of 1964	2000	cmd.exe	schtasks.exe
PID 2000 wrote to memory of 1964	2000	cmd.exe	schtasks.exe
PID 2000 wrote to memory of 1964	2000	cmd.exe	schtasks.exe
PID 2000 wrote to memory of 1964	2000	cmd.exe	schtasks.exe
PID 1124 wrote to memory of 1200	1124	Interac-e-Transfer-Receipt.exe	RegAsm.exe
PID 1124 wrote to memory of 1200	1124	Interac-e-Transfer-Receipt.exe	RegAsm.exe
PID 1124 wrote to memory of 1200	1124	Interac-e-Transfer-Receipt.exe	RegAsm.exe
PID 1124 wrote to memory of 1200	1124	Interac-e-Transfer-Receipt.exe	RegAsm.exe
PID 1124 wrote to memory of 1200	1124	Interac-e-Transfer-Receipt.exe	RegAsm.exe
PID 1124 wrote to memory of 1200	1124	Interac-e-Transfer-Receipt.exe	RegAsm.exe
PID 1124 wrote to memory of 1200	1124	Interac-e-Transfer-Receipt.exe	RegAsm.exe
PID 1124 wrote to memory of 1200	1124	Interac-e-Transfer-Receipt.exe	RegAsm.exe
PID 1124 wrote to memory of 1200	1124	Interac-e-Transfer-Receipt.exe	RegAsm.exe
PID 1124 wrote to memory of 1200	1124	Interac-e-Transfer-Receipt.exe	RegAsm.exe
PID 1124 wrote to memory of 1200	1124	Interac-e-Transfer-Receipt.exe	RegAsm.exe
PID 652 wrote to memory of 1644	652	taskeng.exe	olkij.exe
PID 652 wrote to memory of 1644	652	taskeng.exe	olkij.exe
PID 652 wrote to memory of 1644	652	taskeng.exe	olkij.exe
PID 652 wrote to memory of 1644	652	taskeng.exe	olkij.exe

C:\Users\Admin\AppData\Local\Temp\Interac-e-Transfer-Receipt.exe
"C:\Users\Admin\AppData\Local\Temp\Interac-e-Transfer-Receipt.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1124

C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Local\Temp\olkij.exe'" /f
2⤵
- Suspicious use of WriteProcessMemory
PID:2000

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Local\Temp\olkij.exe'" /f
3⤵
- Creates scheduled task(s)
PID:1964

C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\Interac-e-Transfer-Receipt.exe" "C:\Users\Admin\AppData\Local\Temp\olkij.exe"
2⤵
PID:1488

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:1200

C:\Windows\system32\taskeng.exe
taskeng.exe {139C17B6-F165-46C1-B328-C8DA43D30DA3} S-1-5-21-4084403625-2215941253-1760665084-1000:LDLTPJLN\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:652

C:\Users\Admin\AppData\Local\Temp\olkij.exe
C:\Users\Admin\AppData\Local\Temp\olkij.exe
2⤵
- Executes dropped EXE
PID:1644

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\olkij.exe
Filesize
300.0MB

MD5
8dac8b61bf8c23264873a3f3bee260f5

SHA1
ba581c38574794324ea714a48671fad7f2384dbe

SHA256
7e4a1f93d53d3962a913e000524344bdcccd6d36d0856b3df38df57d4a8e1df3

SHA512
65ef0b281583e1f8303ff470dc134d8d35ccc394521fd93294cd251220af501137b17d39af91829efe0191e395c2494e1652565895647bf04a46b56fe0eae163

Download Submit
C:\Users\Admin\AppData\Local\Temp\olkij.exe
Filesize
300.0MB

MD5
8dac8b61bf8c23264873a3f3bee260f5

SHA1
ba581c38574794324ea714a48671fad7f2384dbe

SHA256
7e4a1f93d53d3962a913e000524344bdcccd6d36d0856b3df38df57d4a8e1df3

SHA512
65ef0b281583e1f8303ff470dc134d8d35ccc394521fd93294cd251220af501137b17d39af91829efe0191e395c2494e1652565895647bf04a46b56fe0eae163

Download Submit
memory/1124-54-0x00000000003D0000-0x000000000055A000-memory.dmp

Filesize
1.5MB

Download
memory/1200-68-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1200-70-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1200-59-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1200-61-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1200-62-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1200-63-0x00000000007E2730-mapping.dmp

Download
memory/1200-64-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1200-65-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1200-66-0x0000000075871000-0x0000000075873000-memory.dmp

Filesize
8KB

Download
memory/1200-75-0x00000000000B0000-0x00000000000BA000-memory.dmp

Filesize
40KB

Download
memory/1200-69-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1200-58-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1200-71-0x00000000000B0000-0x00000000000BA000-memory.dmp

Filesize
40KB

Download
memory/1200-72-0x00000000000B0000-0x00000000000BA000-memory.dmp

Filesize
40KB

Download
memory/1200-73-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1200-74-0x00000000000B0000-0x00000000000BA000-memory.dmp

Filesize
40KB

Download
memory/1488-56-0x0000000000000000-mapping.dmp

Download
memory/1644-77-0x0000000000000000-mapping.dmp

Download
memory/1644-79-0x0000000000B40000-0x0000000000CCA000-memory.dmp

Filesize
1.5MB

Download
memory/1964-57-0x0000000000000000-mapping.dmp

Download
memory/2000-55-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads