tinba | a36c05cb5483f6f5b914efe41a074c71ed841953c9c13485cdf2c7dfd256d819

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-02-2025 02:36

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General

Target

a36c05cb5483f6f5b914efe41a074c71ed841953c9c13485cdf2c7dfd256d819.exe
Size

54KB
MD5

7d2441a43acf871f077141fcfb9737af
SHA1

b6fbeaaf240ffa6d1e5421b69b74e9e35137de48
SHA256

a36c05cb5483f6f5b914efe41a074c71ed841953c9c13485cdf2c7dfd256d819
SHA512

23a4340e3e4e17452da68d8b7c620a149ac6fb1f785c5f5f6c9a90fd720b1acfcfd7b54ddf5d89807b050d8982c8003f6727a88ae58146947e19254b77ae7c70
SSDEEP

768:w3CCRtWM5usSRJDTlLTOpJiqRZNoCRtxihG1gfFNsHWP4jBi:o5tPusSRJDTlLTOpJiaDjts4gfFi2+g

Score

10^/10

tinba banker discovery persistence trojan

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\6E26DA13 = "C:\\Users\\Admin\\AppData\\Roaming\\6E26DA13\\bin.exe"	winver.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2420 set thread context of 2168	2420	a36c05cb5483f6f5b914efe41a074c71ed841953c9c13485cdf2c7dfd256d819.exe	30

System Location Discovery: System Language Discovery 1 TTPs 3 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	a36c05cb5483f6f5b914efe41a074c71ed841953c9c13485cdf2c7dfd256d819.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a36c05cb5483f6f5b914efe41a074c71ed841953c9c13485cdf2c7dfd256d819.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe
3056	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3056	winver.exe
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2420	a36c05cb5483f6f5b914efe41a074c71ed841953c9c13485cdf2c7dfd256d819.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2168	2420	a36c05cb5483f6f5b914efe41a074c71ed841953c9c13485cdf2c7dfd256d819.exe	30
PID 2420 wrote to memory of 2168	2420	a36c05cb5483f6f5b914efe41a074c71ed841953c9c13485cdf2c7dfd256d819.exe	30
PID 2420 wrote to memory of 2168	2420	a36c05cb5483f6f5b914efe41a074c71ed841953c9c13485cdf2c7dfd256d819.exe	30
PID 2420 wrote to memory of 2168	2420	a36c05cb5483f6f5b914efe41a074c71ed841953c9c13485cdf2c7dfd256d819.exe	30
PID 2420 wrote to memory of 2168	2420	a36c05cb5483f6f5b914efe41a074c71ed841953c9c13485cdf2c7dfd256d819.exe	30
PID 2420 wrote to memory of 2168	2420	a36c05cb5483f6f5b914efe41a074c71ed841953c9c13485cdf2c7dfd256d819.exe	30
PID 2420 wrote to memory of 2168	2420	a36c05cb5483f6f5b914efe41a074c71ed841953c9c13485cdf2c7dfd256d819.exe	30
PID 2168 wrote to memory of 3056	2168	a36c05cb5483f6f5b914efe41a074c71ed841953c9c13485cdf2c7dfd256d819.exe	31
PID 2168 wrote to memory of 3056	2168	a36c05cb5483f6f5b914efe41a074c71ed841953c9c13485cdf2c7dfd256d819.exe	31
PID 2168 wrote to memory of 3056	2168	a36c05cb5483f6f5b914efe41a074c71ed841953c9c13485cdf2c7dfd256d819.exe	31
PID 2168 wrote to memory of 3056	2168	a36c05cb5483f6f5b914efe41a074c71ed841953c9c13485cdf2c7dfd256d819.exe	31
PID 2168 wrote to memory of 3056	2168	a36c05cb5483f6f5b914efe41a074c71ed841953c9c13485cdf2c7dfd256d819.exe	31
PID 3056 wrote to memory of 1244	3056	winver.exe	21
PID 3056 wrote to memory of 1112	3056	winver.exe	19
PID 3056 wrote to memory of 1196	3056	winver.exe	20
PID 3056 wrote to memory of 1244	3056	winver.exe	21
PID 3056 wrote to memory of 628	3056	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:1196

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1244
- C:\Users\Admin\AppData\Local\Temp\a36c05cb5483f6f5b914efe41a074c71ed841953c9c13485cdf2c7dfd256d819.exe
  "C:\Users\Admin\AppData\Local\Temp\a36c05cb5483f6f5b914efe41a074c71ed841953c9c13485cdf2c7dfd256d819.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2420
- - C:\Users\Admin\AppData\Local\Temp\a36c05cb5483f6f5b914efe41a074c71ed841953c9c13485cdf2c7dfd256d819.exe
    "C:\Users\Admin\AppData\Local\Temp\a36c05cb5483f6f5b914efe41a074c71ed841953c9c13485cdf2c7dfd256d819.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2168
  - - C:\Windows\SysWOW64\winver.exe
      winver
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:3056

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:628

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/628-21-0x0000000001D60000-0x0000000001D66000-memory.dmp

Filesize
24KB

Download
memory/628-30-0x0000000001D60000-0x0000000001D66000-memory.dmp

Filesize
24KB

Download
memory/628-31-0x00000000773D1000-0x00000000773D2000-memory.dmp

Filesize
4KB

Download
memory/1112-26-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1112-27-0x00000000773D1000-0x00000000773D2000-memory.dmp

Filesize
4KB

Download
memory/1112-14-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1196-28-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1196-16-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1244-7-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1244-19-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1244-10-0x00000000773D1000-0x00000000773D2000-memory.dmp

Filesize
4KB

Download
memory/1244-29-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1244-3-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1244-4-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/2168-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3056-24-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/3056-9-0x0000000000C70000-0x0000000000C86000-memory.dmp

Filesize
88KB

Download
memory/3056-25-0x0000000077380000-0x0000000077529000-memory.dmp

Filesize
1.7MB

Download
memory/3056-5-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/3056-8-0x0000000000C71000-0x0000000000C72000-memory.dmp

Filesize
4KB

Download
memory/3056-37-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download