tinba | b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/02/2025, 05:27

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General

Target

b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe
Size

112KB
MD5

dc44464edda6fe8cda58153734080dfc
SHA1

762391595db2c2de81832cc8f3914e6b905bd546
SHA256

b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70
SHA512

446243302a9cd8039f7be571dda6608275e6a41159c732e13a70e9b7da2698ac238e959a3430df8fa9be2de31b3babc4802cd9a2c7fc4e252c19fc9e22c07238
SSDEEP

3072:/afe8iokAMMKzU2YAPNAQxxlNk3Um/u1hp13JeoSG:/afviokAMMohe3UmG1hpeoSG

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\C3797A08 = "C:\\Users\\Admin\\AppData\\Roaming\\C3797A08\\bin.exe"	winver.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3012 set thread context of 2556	3012	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.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	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3012	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe
3012	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe
1136	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1136	winver.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3012	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe
3012	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2556	3012	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	30
PID 3012 wrote to memory of 2556	3012	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	30
PID 3012 wrote to memory of 2556	3012	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	30
PID 3012 wrote to memory of 2556	3012	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	30
PID 3012 wrote to memory of 2556	3012	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	30
PID 3012 wrote to memory of 2556	3012	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	30
PID 3012 wrote to memory of 2556	3012	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	30
PID 3012 wrote to memory of 2556	3012	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	30
PID 2556 wrote to memory of 1136	2556	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	31
PID 2556 wrote to memory of 1136	2556	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	31
PID 2556 wrote to memory of 1136	2556	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	31
PID 2556 wrote to memory of 1136	2556	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	31
PID 2556 wrote to memory of 1136	2556	b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe	31
PID 1136 wrote to memory of 1192	1136	winver.exe	21
PID 1136 wrote to memory of 1112	1136	winver.exe	19
PID 1136 wrote to memory of 1156	1136	winver.exe	20
PID 1136 wrote to memory of 1192	1136	winver.exe	21
PID 1136 wrote to memory of 1600	1136	winver.exe	25
PID 1136 wrote to memory of 2556	1136	winver.exe	30

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe
  "C:\Users\Admin\AppData\Local\Temp\b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3012
- - C:\Users\Admin\AppData\Local\Temp\b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe
    C:\Users\Admin\AppData\Local\Temp\b7764a1955a6c2b27e90e70ae0f32b1722ab13a14e5b74ad40b1612ab4685c70.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2556
  - - 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:1136

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1600

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/1112-21-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1112-33-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1112-34-0x0000000077B81000-0x0000000077B82000-memory.dmp

Filesize
4KB

Download
memory/1136-48-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/1136-12-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1136-18-0x00000000005E0000-0x00000000005F6000-memory.dmp

Filesize
88KB

Download
memory/1136-17-0x00000000005E1000-0x00000000005E2000-memory.dmp

Filesize
4KB

Download
memory/1156-38-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1156-24-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1192-11-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1192-19-0x0000000077B81000-0x0000000077B82000-memory.dmp

Filesize
4KB

Download
memory/1192-10-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1192-14-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1192-39-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1192-26-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1600-36-0x0000000077B81000-0x0000000077B82000-memory.dmp

Filesize
4KB

Download
memory/1600-35-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1600-29-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/2556-6-0x0000000000400000-0x000000000149A000-memory.dmp

Filesize
16.6MB

Download
memory/2556-32-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/2556-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2556-37-0x0000000077B30000-0x0000000077CD9000-memory.dmp

Filesize
1.7MB

Download
memory/2556-3-0x0000000000400000-0x000000000149A000-memory.dmp

Filesize
16.6MB

Download
memory/2556-15-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/2556-16-0x0000000000400000-0x0000000000404400-memory.dmp

Filesize
17KB

Download
memory/2556-9-0x0000000000400000-0x000000000149A000-memory.dmp

Filesize
16.6MB

Download
memory/2556-40-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/2556-1-0x00000000001B0000-0x00000000002AA000-memory.dmp

Filesize
1000KB

Download
memory/3012-0-0x00000000001F0000-0x00000000001F4000-memory.dmp

Filesize
16KB

Download