tinba | 616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021ab

General

Target

616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021abN.exe
Size

610KB
MD5

8a686d18774295c6a3dc8706a253f690
SHA1

6293f27d109a33f17fab7d5838156bfe519681d5
SHA256

616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021ab
SHA512

6a6ec028692c1824a65712171214a413972c5b1ada3cf428275d057b4f9c31c7c23a2a346e4d021aa00d8a9bee65c721ad08ea26b1984f53004f26b8785ac3d0
SSDEEP

12288:XATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:dT+KjUdQqboyyWoK1NGqzuhb

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\186FF9A0 = "C:\\Users\\Admin\\AppData\\Roaming\\186FF9A0\\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	616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021abN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe
2892	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2892	winver.exe
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 2892	2160	616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021abN.exe	31
PID 2160 wrote to memory of 2892	2160	616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021abN.exe	31
PID 2160 wrote to memory of 2892	2160	616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021abN.exe	31
PID 2160 wrote to memory of 2892	2160	616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021abN.exe	31
PID 2160 wrote to memory of 2892	2160	616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021abN.exe	31
PID 2892 wrote to memory of 1200	2892	winver.exe	21
PID 2892 wrote to memory of 1088	2892	winver.exe	19
PID 2892 wrote to memory of 1176	2892	winver.exe	20
PID 2892 wrote to memory of 1200	2892	winver.exe	21
PID 2892 wrote to memory of 1244	2892	winver.exe	23
PID 2892 wrote to memory of 2160	2892	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1088

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1200
- C:\Users\Admin\AppData\Local\Temp\616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021abN.exe
  "C:\Users\Admin\AppData\Local\Temp\616cb18ed502e39c2dece441668e6b238f811465ce2b31fb28dca03b9fd021abN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2160
- - 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:2892

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1244

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/1088-28-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1088-9-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1176-12-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1176-29-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1200-15-0x0000000002E70000-0x0000000002E76000-memory.dmp

Filesize
24KB

Download
memory/1200-6-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1200-1-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1200-27-0x0000000002E70000-0x0000000002E76000-memory.dmp

Filesize
24KB

Download
memory/1244-18-0x0000000002420000-0x0000000002426000-memory.dmp

Filesize
24KB

Download
memory/1244-26-0x0000000002420000-0x0000000002426000-memory.dmp

Filesize
24KB

Download
memory/2160-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2892-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2892-23-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/2892-31-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads