tinba | 26ae2d51bd24cf782587e06b1ea12966a10d74277d1160834e1e9ad55772730e

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
12-01-2025 22:40

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General

Target

26ae2d51bd24cf782587e06b1ea12966a10d74277d1160834e1e9ad55772730eN.exe
Size

45KB
MD5

b96c651015980611b01b2f2b023db470
SHA1

5cdef32d8233826f3e51c267db41921da1d73b04
SHA256

26ae2d51bd24cf782587e06b1ea12966a10d74277d1160834e1e9ad55772730e
SHA512

63f6a21f439c3692766e352f08dc7ee019542a5986ce43b7ea4bf5d3cfd4a9287bd0f1d004dfc37a33fe40dd8321d89c9c12073298cb40a8f44370828990f189
SSDEEP

768:5hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2H:jsWE9N5dFu53dsniQaB/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\4E736754 = "C:\\Users\\Admin\\AppData\\Roaming\\4E736754\\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/3020-0-0x0000000000400000-0x000000000041D000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	26ae2d51bd24cf782587e06b1ea12966a10d74277d1160834e1e9ad55772730eN.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe
2196	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2196	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2196	3020	26ae2d51bd24cf782587e06b1ea12966a10d74277d1160834e1e9ad55772730eN.exe	31
PID 3020 wrote to memory of 2196	3020	26ae2d51bd24cf782587e06b1ea12966a10d74277d1160834e1e9ad55772730eN.exe	31
PID 3020 wrote to memory of 2196	3020	26ae2d51bd24cf782587e06b1ea12966a10d74277d1160834e1e9ad55772730eN.exe	31
PID 3020 wrote to memory of 2196	3020	26ae2d51bd24cf782587e06b1ea12966a10d74277d1160834e1e9ad55772730eN.exe	31
PID 3020 wrote to memory of 2196	3020	26ae2d51bd24cf782587e06b1ea12966a10d74277d1160834e1e9ad55772730eN.exe	31
PID 2196 wrote to memory of 1200	2196	winver.exe	21
PID 2196 wrote to memory of 1084	2196	winver.exe	18
PID 2196 wrote to memory of 1148	2196	winver.exe	19
PID 2196 wrote to memory of 1200	2196	winver.exe	21
PID 2196 wrote to memory of 1368	2196	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1084

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1148

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\26ae2d51bd24cf782587e06b1ea12966a10d74277d1160834e1e9ad55772730eN.exe
  "C:\Users\Admin\AppData\Local\Temp\26ae2d51bd24cf782587e06b1ea12966a10d74277d1160834e1e9ad55772730eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3020
- - 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:2196

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1368

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/1084-27-0x00000000777A1000-0x00000000777A2000-memory.dmp

Filesize
4KB

Download
memory/1084-35-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1084-26-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1148-19-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1148-24-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1148-25-0x00000000777A1000-0x00000000777A2000-memory.dmp

Filesize
4KB

Download
memory/1200-10-0x00000000777A1000-0x00000000777A2000-memory.dmp

Filesize
4KB

Download
memory/1200-21-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1200-28-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1368-29-0x0000000001EC0000-0x0000000001EC6000-memory.dmp

Filesize
24KB

Download
memory/1368-30-0x00000000777A1000-0x00000000777A2000-memory.dmp

Filesize
4KB

Download
memory/1368-23-0x0000000001EC0000-0x0000000001EC6000-memory.dmp

Filesize
24KB

Download
memory/2196-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2196-9-0x000000007794F000-0x0000000077951000-memory.dmp

Filesize
8KB

Download
memory/2196-11-0x0000000077750000-0x00000000778F9000-memory.dmp

Filesize
1.7MB

Download
memory/2196-8-0x000000007794F000-0x0000000077950000-memory.dmp

Filesize
4KB

Download
memory/2196-7-0x0000000077950000-0x0000000077951000-memory.dmp

Filesize
4KB

Download
memory/2196-31-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/3020-13-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/3020-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3020-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3020-5-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/3020-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download