tinba | 81982b0b79f6de1105bf1383cdc5ab800dde52934d03df6eab4934124064860b

General

Target

81982b0b79f6de1105bf1383cdc5ab800dde52934d03df6eab4934124064860bN.exe
Size

225KB
MD5

91d67de4abd9d9294f22ba11b4101880
SHA1

ddd451c5aede3ad212698d1b8f9dd9527ccfa3b1
SHA256

81982b0b79f6de1105bf1383cdc5ab800dde52934d03df6eab4934124064860b
SHA512

81b5c51c13681ec71340548a17a5081895ae76552548b1b3cbe7f4c348b9d6eb9e3b9395420c8d9c7902d4b3ec4fc6457b8ba2545911f3b38f8ce926e804723f
SSDEEP

6144:JA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:JATuTAnKGwUAW3ycQqgf

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\3FE03BE1 = "C:\\Users\\Admin\\AppData\\Roaming\\3FE03BE1\\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	81982b0b79f6de1105bf1383cdc5ab800dde52934d03df6eab4934124064860bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

pid	Process
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe
2100	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2100	winver.exe
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2864 wrote to memory of 2100	2864	81982b0b79f6de1105bf1383cdc5ab800dde52934d03df6eab4934124064860bN.exe	30
PID 2864 wrote to memory of 2100	2864	81982b0b79f6de1105bf1383cdc5ab800dde52934d03df6eab4934124064860bN.exe	30
PID 2864 wrote to memory of 2100	2864	81982b0b79f6de1105bf1383cdc5ab800dde52934d03df6eab4934124064860bN.exe	30
PID 2864 wrote to memory of 2100	2864	81982b0b79f6de1105bf1383cdc5ab800dde52934d03df6eab4934124064860bN.exe	30
PID 2864 wrote to memory of 2100	2864	81982b0b79f6de1105bf1383cdc5ab800dde52934d03df6eab4934124064860bN.exe	30
PID 2100 wrote to memory of 1212	2100	winver.exe	21
PID 2100 wrote to memory of 1096	2100	winver.exe	19
PID 2100 wrote to memory of 1164	2100	winver.exe	20
PID 2100 wrote to memory of 1212	2100	winver.exe	21
PID 2100 wrote to memory of 1632	2100	winver.exe	25
PID 2100 wrote to memory of 2864	2100	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1096

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1212
- C:\Users\Admin\AppData\Local\Temp\81982b0b79f6de1105bf1383cdc5ab800dde52934d03df6eab4934124064860bN.exe
  "C:\Users\Admin\AppData\Local\Temp\81982b0b79f6de1105bf1383cdc5ab800dde52934d03df6eab4934124064860bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2864
- - 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:2100

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1632

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/1096-26-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1096-11-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1164-14-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1164-29-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1212-1-0x0000000002660000-0x0000000002666000-memory.dmp

Filesize
24KB

Download
memory/1212-17-0x0000000002BB0000-0x0000000002BB6000-memory.dmp

Filesize
24KB

Download
memory/1212-6-0x0000000002660000-0x0000000002666000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002660000-0x0000000002666000-memory.dmp

Filesize
24KB

Download
memory/1212-27-0x0000000002BB0000-0x0000000002BB6000-memory.dmp

Filesize
24KB

Download
memory/1632-20-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1632-28-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/2100-25-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2100-4-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2100-31-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2864-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads