tinba | f22e30ce79ae791b00f14772121b82f4867db82b5e8c70620a239fd31b547ac3

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
17/01/2025, 10:09

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General

Target

f22e30ce79ae791b00f14772121b82f4867db82b5e8c70620a239fd31b547ac3N.exe
Size

110KB
MD5

5ebba44334469e30727fef88b334ae10
SHA1

603783ab0dc69736338878c57eeb259a059f74f6
SHA256

f22e30ce79ae791b00f14772121b82f4867db82b5e8c70620a239fd31b547ac3
SHA512

5a8961c51b2108168f174417e0daf45d3a0575d0384bf67df5a012a8b7b3d58c38ce2e440d6630827fce2d8bd81df96acc1a56fb10d31b937e513ef5dbad71a4
SSDEEP

1536:xiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:xiyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\3F2B7E13 = "C:\\Users\\Admin\\AppData\\Roaming\\3F2B7E13\\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/1088-0-0x0000000000400000-0x000000000041E000-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	f22e30ce79ae791b00f14772121b82f4867db82b5e8c70620a239fd31b547ac3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2788	winver.exe
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 2788	1088	f22e30ce79ae791b00f14772121b82f4867db82b5e8c70620a239fd31b547ac3N.exe	31
PID 1088 wrote to memory of 2788	1088	f22e30ce79ae791b00f14772121b82f4867db82b5e8c70620a239fd31b547ac3N.exe	31
PID 1088 wrote to memory of 2788	1088	f22e30ce79ae791b00f14772121b82f4867db82b5e8c70620a239fd31b547ac3N.exe	31
PID 1088 wrote to memory of 2788	1088	f22e30ce79ae791b00f14772121b82f4867db82b5e8c70620a239fd31b547ac3N.exe	31
PID 1088 wrote to memory of 2788	1088	f22e30ce79ae791b00f14772121b82f4867db82b5e8c70620a239fd31b547ac3N.exe	31
PID 2788 wrote to memory of 1232	2788	winver.exe	21
PID 2788 wrote to memory of 1112	2788	winver.exe	19
PID 2788 wrote to memory of 1168	2788	winver.exe	20
PID 2788 wrote to memory of 1232	2788	winver.exe	21
PID 2788 wrote to memory of 1740	2788	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1232
- C:\Users\Admin\AppData\Local\Temp\f22e30ce79ae791b00f14772121b82f4867db82b5e8c70620a239fd31b547ac3N.exe
  "C:\Users\Admin\AppData\Local\Temp\f22e30ce79ae791b00f14772121b82f4867db82b5e8c70620a239fd31b547ac3N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1088
- - 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:2788

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1740

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/1088-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1088-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1088-5-0x0000000001E30000-0x0000000002830000-memory.dmp

Filesize
10.0MB

Download
memory/1088-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1088-13-0x0000000001E30000-0x0000000002830000-memory.dmp

Filesize
10.0MB

Download
memory/1112-24-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1112-25-0x0000000077211000-0x0000000077212000-memory.dmp

Filesize
4KB

Download
memory/1168-31-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1168-21-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1232-27-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1232-2-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1232-23-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1232-4-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1232-10-0x0000000077211000-0x0000000077212000-memory.dmp

Filesize
4KB

Download
memory/1232-3-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1740-32-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1740-33-0x0000000077211000-0x0000000077212000-memory.dmp

Filesize
4KB

Download
memory/2788-9-0x00000000773BF000-0x00000000773C1000-memory.dmp

Filesize
8KB

Download
memory/2788-26-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2788-11-0x00000000771C0000-0x0000000077369000-memory.dmp

Filesize
1.7MB

Download
memory/2788-7-0x00000000773C0000-0x00000000773C1000-memory.dmp

Filesize
4KB

Download
memory/2788-8-0x00000000773BF000-0x00000000773C0000-memory.dmp

Filesize
4KB

Download
memory/2788-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download