tinba | 4ea193bce4d8cc584db7d42b9c0d1d088865842583c3b5c68e3b748952dc8106

Analysis

max time kernel
120s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-10-2024 12:33

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General

Target

4ea193bce4d8cc584db7d42b9c0d1d088865842583c3b5c68e3b748952dc8106N.exe
Size

58KB
MD5

1bcb38aa9caed15258d151953ff593e0
SHA1

1e47effef8de3efebc2f835cd319c2860eb7a0cd
SHA256

4ea193bce4d8cc584db7d42b9c0d1d088865842583c3b5c68e3b748952dc8106
SHA512

b0e8dd80e42794bc96f3dd3dedcd699f1c8de1a2a34d9c7fe6f38900a88525d1bfe24d6a21f38aa5f0b5fcc10831eb375b9ec3dbc50a83fb7911ca7a83a0d360
SSDEEP

768:+M5WaKyBevI8OHKA+hmXid6Z9HUEMyerTAzwavKCFC/nGVykmBdwxkpNZsP:95P2vIg7dNrTAzZv3FaGU5LRm

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\E69B5304 = "C:\\Users\\Admin\\AppData\\Roaming\\E69B5304\\bin.exe"	winver.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2276 set thread context of 2272	2276	4ea193bce4d8cc584db7d42b9c0d1d088865842583c3b5c68e3b748952dc8106N.exe	28

System Location Discovery: System Language Discovery 1 TTPs 3 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	4ea193bce4d8cc584db7d42b9c0d1d088865842583c3b5c68e3b748952dc8106N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4ea193bce4d8cc584db7d42b9c0d1d088865842583c3b5c68e3b748952dc8106N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1892	winver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2276	4ea193bce4d8cc584db7d42b9c0d1d088865842583c3b5c68e3b748952dc8106N.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 2272	2276	4ea193bce4d8cc584db7d42b9c0d1d088865842583c3b5c68e3b748952dc8106N.exe	28
PID 2276 wrote to memory of 2272	2276	4ea193bce4d8cc584db7d42b9c0d1d088865842583c3b5c68e3b748952dc8106N.exe	28
PID 2276 wrote to memory of 2272	2276	4ea193bce4d8cc584db7d42b9c0d1d088865842583c3b5c68e3b748952dc8106N.exe	28
PID 2276 wrote to memory of 2272	2276	4ea193bce4d8cc584db7d42b9c0d1d088865842583c3b5c68e3b748952dc8106N.exe	28
PID 2276 wrote to memory of 2272	2276	4ea193bce4d8cc584db7d42b9c0d1d088865842583c3b5c68e3b748952dc8106N.exe	28
PID 2276 wrote to memory of 2272	2276	4ea193bce4d8cc584db7d42b9c0d1d088865842583c3b5c68e3b748952dc8106N.exe	28
PID 2276 wrote to memory of 2272	2276	4ea193bce4d8cc584db7d42b9c0d1d088865842583c3b5c68e3b748952dc8106N.exe	28
PID 2272 wrote to memory of 1892	2272	4ea193bce4d8cc584db7d42b9c0d1d088865842583c3b5c68e3b748952dc8106N.exe	29
PID 2272 wrote to memory of 1892	2272	4ea193bce4d8cc584db7d42b9c0d1d088865842583c3b5c68e3b748952dc8106N.exe	29
PID 2272 wrote to memory of 1892	2272	4ea193bce4d8cc584db7d42b9c0d1d088865842583c3b5c68e3b748952dc8106N.exe	29
PID 2272 wrote to memory of 1892	2272	4ea193bce4d8cc584db7d42b9c0d1d088865842583c3b5c68e3b748952dc8106N.exe	29
PID 2272 wrote to memory of 1892	2272	4ea193bce4d8cc584db7d42b9c0d1d088865842583c3b5c68e3b748952dc8106N.exe	29
PID 1892 wrote to memory of 1204	1892	winver.exe	21
PID 1892 wrote to memory of 1100	1892	winver.exe	19
PID 1892 wrote to memory of 1140	1892	winver.exe	20
PID 1892 wrote to memory of 1204	1892	winver.exe	21
PID 1892 wrote to memory of 1212	1892	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1140

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\4ea193bce4d8cc584db7d42b9c0d1d088865842583c3b5c68e3b748952dc8106N.exe
  "C:\Users\Admin\AppData\Local\Temp\4ea193bce4d8cc584db7d42b9c0d1d088865842583c3b5c68e3b748952dc8106N.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2276
- - C:\Users\Admin\AppData\Local\Temp\4ea193bce4d8cc584db7d42b9c0d1d088865842583c3b5c68e3b748952dc8106N.exe
    "C:\Users\Admin\AppData\Local\Temp\4ea193bce4d8cc584db7d42b9c0d1d088865842583c3b5c68e3b748952dc8106N.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2272
  - - C:\Windows\SysWOW64\winver.exe
      winver
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:1892

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1212

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1100-27-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1100-28-0x0000000077651000-0x0000000077652000-memory.dmp

Filesize
4KB

Download
memory/1100-14-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1140-17-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1140-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1204-20-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/1204-4-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1204-7-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1204-30-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x0000000077651000-0x0000000077652000-memory.dmp

Filesize
4KB

Download
memory/1212-31-0x0000000001DE0000-0x0000000001DE6000-memory.dmp

Filesize
24KB

Download
memory/1212-32-0x0000000077651000-0x0000000077652000-memory.dmp

Filesize
4KB

Download
memory/1212-22-0x0000000001DE0000-0x0000000001DE6000-memory.dmp

Filesize
24KB

Download
memory/1892-5-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1892-26-0x0000000077600000-0x00000000777A9000-memory.dmp

Filesize
1.7MB

Download
memory/1892-25-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/1892-8-0x0000000000AA1000-0x0000000000AA2000-memory.dmp

Filesize
4KB

Download
memory/1892-9-0x0000000000AA0000-0x0000000000AB6000-memory.dmp

Filesize
88KB

Download
memory/1892-38-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2272-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download