tinba | 8d7629f117619e969962bdfd1fc1438dfd245e34374c8e2d6f5670f5b7ceb6a9

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 15:25

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General

Target

8d7629f117619e969962bdfd1fc1438dfd245e34374c8e2d6f5670f5b7ceb6a9N.exe
Size

45KB
MD5

af8df5276af468bf893a15692eb9c320
SHA1

5fe69f7c14c009121fab48ae948b564ae5a81cd5
SHA256

8d7629f117619e969962bdfd1fc1438dfd245e34374c8e2d6f5670f5b7ceb6a9
SHA512

5272ca38ade24a9193058d6287ad3d571c2c4c679a39fcdd6ae327d32e6e2de63d39cf9393fab1662758453b829d74624352c0ab3f58c7ae8926a650050571e6
SSDEEP

768:ohP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:UsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

Score

10^/10

tinba banker discovery persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba
Tinba family
tinba

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\8FBAE675 = "C:\\Users\\Admin\\AppData\\Roaming\\8FBAE675\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2092-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8d7629f117619e969962bdfd1fc1438dfd245e34374c8e2d6f5670f5b7ceb6a9N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2568	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2568	2092	8d7629f117619e969962bdfd1fc1438dfd245e34374c8e2d6f5670f5b7ceb6a9N.exe	31
PID 2092 wrote to memory of 2568	2092	8d7629f117619e969962bdfd1fc1438dfd245e34374c8e2d6f5670f5b7ceb6a9N.exe	31
PID 2092 wrote to memory of 2568	2092	8d7629f117619e969962bdfd1fc1438dfd245e34374c8e2d6f5670f5b7ceb6a9N.exe	31
PID 2092 wrote to memory of 2568	2092	8d7629f117619e969962bdfd1fc1438dfd245e34374c8e2d6f5670f5b7ceb6a9N.exe	31
PID 2092 wrote to memory of 2568	2092	8d7629f117619e969962bdfd1fc1438dfd245e34374c8e2d6f5670f5b7ceb6a9N.exe	31
PID 2568 wrote to memory of 1196	2568	winver.exe	21
PID 2568 wrote to memory of 1100	2568	winver.exe	19
PID 2568 wrote to memory of 1160	2568	winver.exe	20
PID 2568 wrote to memory of 1196	2568	winver.exe	21
PID 2568 wrote to memory of 1208	2568	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\8d7629f117619e969962bdfd1fc1438dfd245e34374c8e2d6f5670f5b7ceb6a9N.exe
  "C:\Users\Admin\AppData\Local\Temp\8d7629f117619e969962bdfd1fc1438dfd245e34374c8e2d6f5670f5b7ceb6a9N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2092
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2568

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1100-27-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1100-28-0x00000000770A1000-0x00000000770A2000-memory.dmp

Filesize
4KB

Download
memory/1160-31-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1160-21-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x00000000770A1000-0x00000000770A2000-memory.dmp

Filesize
4KB

Download
memory/1196-4-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/1196-30-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1196-23-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1208-26-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/1208-32-0x00000000770A1000-0x00000000770A2000-memory.dmp

Filesize
4KB

Download
memory/1208-33-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/2092-13-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2092-14-0x0000000001D30000-0x0000000002730000-memory.dmp

Filesize
10.0MB

Download
memory/2092-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2092-5-0x0000000001D30000-0x0000000002730000-memory.dmp

Filesize
10.0MB

Download
memory/2092-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2568-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2568-7-0x0000000077250000-0x0000000077251000-memory.dmp

Filesize
4KB

Download
memory/2568-8-0x000000007724F000-0x0000000077250000-memory.dmp

Filesize
4KB

Download
memory/2568-9-0x000000007724F000-0x0000000077251000-memory.dmp

Filesize
8KB

Download
memory/2568-11-0x0000000077050000-0x00000000771F9000-memory.dmp

Filesize
1.7MB

Download
memory/2568-29-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2568-38-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download