tinba | 1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 10:08

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General

Target

1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe
Size

610KB
MD5

633b90f99a429270a64d612ea65a217f
SHA1

abafa3a8857300e799ca8db7a72751e779fc38a1
SHA256

1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7
SHA512

58c748f1a6cc82166f61d7b34bc0ab2eea8d4009ff10a312a0eda1890d88cc97a264d2e982522768380d4779081952463b37b71ac85b27a73f7ad160d335ff8b
SSDEEP

12288:iATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:cT+KjUdQqboyyWoK1NGqzuhL

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\885A43C4 = "C:\\Users\\Admin\\AppData\\Roaming\\885A43C4\\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	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2788	winver.exe
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 2788	3028	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe	31
PID 3028 wrote to memory of 2788	3028	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe	31
PID 3028 wrote to memory of 2788	3028	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe	31
PID 3028 wrote to memory of 2788	3028	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe	31
PID 3028 wrote to memory of 2788	3028	1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe	31
PID 2788 wrote to memory of 1204	2788	winver.exe	21
PID 2788 wrote to memory of 1112	2788	winver.exe	19
PID 2788 wrote to memory of 1164	2788	winver.exe	20
PID 2788 wrote to memory of 1204	2788	winver.exe	21
PID 2788 wrote to memory of 496	2788	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:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1204
- C:\Users\Admin\AppData\Local\Temp\1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe
  "C:\Users\Admin\AppData\Local\Temp\1e37ebf26ad758cdd065cc3f53130d3d6eda88221015b5ecd564f5f39452c0e7.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3028
- - 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:2788

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:496

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 Information Discovery

T1082

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/496-26-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/496-20-0x0000000001C40000-0x0000000001C46000-memory.dmp

Filesize
24KB

Download
memory/1112-24-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1112-11-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1164-14-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1164-27-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1204-6-0x0000000002F40000-0x0000000002F46000-memory.dmp

Filesize
24KB

Download
memory/1204-17-0x0000000002F50000-0x0000000002F56000-memory.dmp

Filesize
24KB

Download
memory/1204-1-0x0000000002F40000-0x0000000002F46000-memory.dmp

Filesize
24KB

Download
memory/1204-25-0x0000000002F50000-0x0000000002F56000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002F40000-0x0000000002F46000-memory.dmp

Filesize
24KB

Download
memory/2788-23-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/2788-4-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2788-29-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/3028-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download