tinba | bdfa3207ac8f0debd91466d8b7007748d303b7a9414f11f48787d285d9cbf152

Analysis

max time kernel
149s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 07:00

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General

Target

bdfa3207ac8f0debd91466d8b7007748d303b7a9414f11f48787d285d9cbf152.exe
Size

610KB
MD5

1d82329fb0dd77eeb56b9151bf1f1a71
SHA1

156598bc987ac6948f424e74b2358d905bef758a
SHA256

bdfa3207ac8f0debd91466d8b7007748d303b7a9414f11f48787d285d9cbf152
SHA512

a704279428d117adf3e971c809bb9ed9313f659428706c0b7fa4cd3ee4b5b2c91ce2518658ccf5890266df2bdc6ef117139250fd8b85ee814096a7b4b5a0fdbc
SSDEEP

12288:KATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:ET+KjUdQqboyyWoK1NGqzuhh

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\88DD3040 = "C:\\Users\\Admin\\AppData\\Roaming\\88DD3040\\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	bdfa3207ac8f0debd91466d8b7007748d303b7a9414f11f48787d285d9cbf152.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe
2676	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2676	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 2676	2344	bdfa3207ac8f0debd91466d8b7007748d303b7a9414f11f48787d285d9cbf152.exe	31
PID 2344 wrote to memory of 2676	2344	bdfa3207ac8f0debd91466d8b7007748d303b7a9414f11f48787d285d9cbf152.exe	31
PID 2344 wrote to memory of 2676	2344	bdfa3207ac8f0debd91466d8b7007748d303b7a9414f11f48787d285d9cbf152.exe	31
PID 2344 wrote to memory of 2676	2344	bdfa3207ac8f0debd91466d8b7007748d303b7a9414f11f48787d285d9cbf152.exe	31
PID 2344 wrote to memory of 2676	2344	bdfa3207ac8f0debd91466d8b7007748d303b7a9414f11f48787d285d9cbf152.exe	31
PID 2676 wrote to memory of 1192	2676	winver.exe	21
PID 2676 wrote to memory of 1112	2676	winver.exe	19
PID 2676 wrote to memory of 1160	2676	winver.exe	20
PID 2676 wrote to memory of 1192	2676	winver.exe	21
PID 2676 wrote to memory of 1224	2676	winver.exe	23
PID 2676 wrote to memory of 2344	2676	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:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\bdfa3207ac8f0debd91466d8b7007748d303b7a9414f11f48787d285d9cbf152.exe
  "C:\Users\Admin\AppData\Local\Temp\bdfa3207ac8f0debd91466d8b7007748d303b7a9414f11f48787d285d9cbf152.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2344
- - 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:2676

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1224

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/1112-26-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1112-11-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1160-14-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1160-29-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1192-1-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1192-17-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1192-27-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download
memory/1192-6-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1224-20-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/1224-28-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/2344-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2676-4-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2676-25-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2676-31-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download