tinba | 9af40af498d5e7dd45d7db25f03b0f0a7b4cfafb50916099f2f833f8b352868c

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
08/01/2025, 10:02

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General

Target

9af40af498d5e7dd45d7db25f03b0f0a7b4cfafb50916099f2f833f8b352868cN.exe
Size

45KB
MD5

209413881e57071325923123b21ade70
SHA1

f6e599f6109f3cf7bd6f7729103bc8f8542c125c
SHA256

9af40af498d5e7dd45d7db25f03b0f0a7b4cfafb50916099f2f833f8b352868c
SHA512

36664ef157fae77d583518e308e2ac39264b54ab1efc6825d2fe13ac845dbd88a57a993bbab0993fc1e78d1bebeb804dc6c41ef72e41f57c444fc0f8a10f9f01
SSDEEP

768:lhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2H:3sWE9N5dFu53dsniQaB/xZ14n7zIF+qT

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\819803F4 = "C:\\Users\\Admin\\AppData\\Roaming\\819803F4\\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/2196-0-0x0000000000400000-0x000000000041D000-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	9af40af498d5e7dd45d7db25f03b0f0a7b4cfafb50916099f2f833f8b352868cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe
2668	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2668	winver.exe
1160	Explorer.EXE
1160	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1160	Explorer.EXE
1160	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2668	2196	9af40af498d5e7dd45d7db25f03b0f0a7b4cfafb50916099f2f833f8b352868cN.exe	31
PID 2196 wrote to memory of 2668	2196	9af40af498d5e7dd45d7db25f03b0f0a7b4cfafb50916099f2f833f8b352868cN.exe	31
PID 2196 wrote to memory of 2668	2196	9af40af498d5e7dd45d7db25f03b0f0a7b4cfafb50916099f2f833f8b352868cN.exe	31
PID 2196 wrote to memory of 2668	2196	9af40af498d5e7dd45d7db25f03b0f0a7b4cfafb50916099f2f833f8b352868cN.exe	31
PID 2196 wrote to memory of 2668	2196	9af40af498d5e7dd45d7db25f03b0f0a7b4cfafb50916099f2f833f8b352868cN.exe	31
PID 2668 wrote to memory of 1160	2668	winver.exe	21
PID 2668 wrote to memory of 1052	2668	winver.exe	18
PID 2668 wrote to memory of 1108	2668	winver.exe	19
PID 2668 wrote to memory of 1160	2668	winver.exe	21
PID 2668 wrote to memory of 1376	2668	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1052

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1160
- C:\Users\Admin\AppData\Local\Temp\9af40af498d5e7dd45d7db25f03b0f0a7b4cfafb50916099f2f833f8b352868cN.exe
  "C:\Users\Admin\AppData\Local\Temp\9af40af498d5e7dd45d7db25f03b0f0a7b4cfafb50916099f2f833f8b352868cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2196
- - 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:2668

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1376

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/1052-25-0x00000000774F1000-0x00000000774F2000-memory.dmp

Filesize
4KB

Download
memory/1052-24-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1108-21-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1108-27-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1108-26-0x00000000774F1000-0x00000000774F2000-memory.dmp

Filesize
4KB

Download
memory/1160-23-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1160-32-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1160-10-0x00000000774F1000-0x00000000774F2000-memory.dmp

Filesize
4KB

Download
memory/1160-4-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1160-3-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1160-2-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1376-31-0x00000000774F1000-0x00000000774F2000-memory.dmp

Filesize
4KB

Download
memory/1376-30-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1376-33-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/2196-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2196-13-0x0000000001DD0000-0x00000000027D0000-memory.dmp

Filesize
10.0MB

Download
memory/2196-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2196-5-0x0000000001DD0000-0x00000000027D0000-memory.dmp

Filesize
10.0MB

Download
memory/2196-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2668-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2668-7-0x00000000776A0000-0x00000000776A1000-memory.dmp

Filesize
4KB

Download
memory/2668-8-0x000000007769F000-0x00000000776A0000-memory.dmp

Filesize
4KB

Download
memory/2668-11-0x00000000774A0000-0x0000000077649000-memory.dmp

Filesize
1.7MB

Download
memory/2668-9-0x000000007769F000-0x00000000776A1000-memory.dmp

Filesize
8KB

Download
memory/2668-38-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download