tinba | 5a108f9a23f98075b5abcb0a378d83e4cabc4c191eb334c8dfbca34e7abc54ce

General

Target

Trojan.Win32.Tinba.GZN.exe
Size

225KB
MD5

3bdce816476bf92af5287f3fcb398870
SHA1

a673b5dd870702432f7661b051427d0386bddaa7
SHA256

5a108f9a23f98075b5abcb0a378d83e4cabc4c191eb334c8dfbca34e7abc54ce
SHA512

c546431337249bebc279b588d37cb97ffee0b187164fa31a7b40545fc456a0c6a6c05555b7dc175213da3fb8207b6b4b4881608771a415feee1c5eb18e30a261
SSDEEP

6144:zA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:zATuTAnKGwUAW3ycQqgf

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

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\E87142C1 = "C:\\Users\\Admin\\AppData\\Roaming\\E87142C1\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	Trojan.Win32.Tinba.GZN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 47 IoCs

pid	Process
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe
2876	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2876	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 2876	2516	Trojan.Win32.Tinba.GZN.exe	31
PID 2516 wrote to memory of 2876	2516	Trojan.Win32.Tinba.GZN.exe	31
PID 2516 wrote to memory of 2876	2516	Trojan.Win32.Tinba.GZN.exe	31
PID 2516 wrote to memory of 2876	2516	Trojan.Win32.Tinba.GZN.exe	31
PID 2516 wrote to memory of 2876	2516	Trojan.Win32.Tinba.GZN.exe	31
PID 2876 wrote to memory of 1216	2876	winver.exe	21
PID 2876 wrote to memory of 1112	2876	winver.exe	19
PID 2876 wrote to memory of 1168	2876	winver.exe	20
PID 2876 wrote to memory of 1216	2876	winver.exe	21
PID 2876 wrote to memory of 1068	2876	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⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Tinba.GZN.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.Tinba.GZN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2516
- - 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:2876

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1068-20-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/1068-26-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/1112-11-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/1112-24-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/1168-14-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-27-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1216-1-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1216-17-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/1216-3-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1216-6-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1216-25-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/2516-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2876-23-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/2876-4-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2876-29-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads