tinba | 2547db5c6fc2f091fbf60ae3b6be686aa09393eaa50a4548574df55acab814fd

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/11/2024, 05:19

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General

Target

2547db5c6fc2f091fbf60ae3b6be686aa09393eaa50a4548574df55acab814fdN.exe
Size

34KB
MD5

605d82cedd43c60be14d3e68723539a0
SHA1

801d3f59ed8fed39042aacf28cad441d73c32944
SHA256

2547db5c6fc2f091fbf60ae3b6be686aa09393eaa50a4548574df55acab814fd
SHA512

2ebf72214361b4debddc4febbea96d4ce9deb8ae30abc8372334dbb0b9aac36f3a9199938952140cf7f8cf6e9f448d4746478fd1b236b5ed08898d0e4c68b509
SSDEEP

768:wp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:wpYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\60FC9D64 = "C:\\Users\\Admin\\AppData\\Roaming\\60FC9D64\\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/2668-0-0x0000000000400000-0x0000000000417000-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	2547db5c6fc2f091fbf60ae3b6be686aa09393eaa50a4548574df55acab814fdN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2704	winver.exe
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2704	2668	2547db5c6fc2f091fbf60ae3b6be686aa09393eaa50a4548574df55acab814fdN.exe	31
PID 2668 wrote to memory of 2704	2668	2547db5c6fc2f091fbf60ae3b6be686aa09393eaa50a4548574df55acab814fdN.exe	31
PID 2668 wrote to memory of 2704	2668	2547db5c6fc2f091fbf60ae3b6be686aa09393eaa50a4548574df55acab814fdN.exe	31
PID 2668 wrote to memory of 2704	2668	2547db5c6fc2f091fbf60ae3b6be686aa09393eaa50a4548574df55acab814fdN.exe	31
PID 2668 wrote to memory of 2704	2668	2547db5c6fc2f091fbf60ae3b6be686aa09393eaa50a4548574df55acab814fdN.exe	31
PID 2704 wrote to memory of 1204	2704	winver.exe	21
PID 2704 wrote to memory of 1108	2704	winver.exe	19
PID 2704 wrote to memory of 1164	2704	winver.exe	20
PID 2704 wrote to memory of 1204	2704	winver.exe	21
PID 2704 wrote to memory of 1620	2704	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1204
- C:\Users\Admin\AppData\Local\Temp\2547db5c6fc2f091fbf60ae3b6be686aa09393eaa50a4548574df55acab814fdN.exe
  "C:\Users\Admin\AppData\Local\Temp\2547db5c6fc2f091fbf60ae3b6be686aa09393eaa50a4548574df55acab814fdN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2668
- - 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:2704

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1620

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/1108-26-0x0000000077401000-0x0000000077402000-memory.dmp

Filesize
4KB

Download
memory/1108-25-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1164-30-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1164-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1204-2-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/1204-29-0x0000000002D20000-0x0000000002D26000-memory.dmp

Filesize
24KB

Download
memory/1204-4-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x0000000077401000-0x0000000077402000-memory.dmp

Filesize
4KB

Download
memory/1204-22-0x0000000002D20000-0x0000000002D26000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/1620-28-0x0000000077401000-0x0000000077402000-memory.dmp

Filesize
4KB

Download
memory/1620-27-0x0000000001BE0000-0x0000000001BE6000-memory.dmp

Filesize
24KB

Download
memory/1620-24-0x0000000001BE0000-0x0000000001BE6000-memory.dmp

Filesize
24KB

Download
memory/2668-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2668-13-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2668-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2668-5-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2668-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2704-11-0x00000000773B0000-0x0000000077559000-memory.dmp

Filesize
1.7MB

Download
memory/2704-9-0x00000000775AF000-0x00000000775B1000-memory.dmp

Filesize
8KB

Download
memory/2704-8-0x00000000775AF000-0x00000000775B0000-memory.dmp

Filesize
4KB

Download
memory/2704-7-0x00000000775B0000-0x00000000775B1000-memory.dmp

Filesize
4KB

Download
memory/2704-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2704-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2704-36-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download