tinba | ae1272f7e45fb056e526e77e1c4ca8f12cd4db57a91e2de0c70185bab678acac

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
20-01-2025 16:44

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General

Target

ae1272f7e45fb056e526e77e1c4ca8f12cd4db57a91e2de0c70185bab678acac.exe
Size

89KB
MD5

daa5a258cf31a975068d2aaff4993cb6
SHA1

df34db8a26614c10b68c9ed46e97763f5693272f
SHA256

ae1272f7e45fb056e526e77e1c4ca8f12cd4db57a91e2de0c70185bab678acac
SHA512

802c76232164c3c2a68bb15d6a96299f5c7f4aece0bd8db49e5c8fd4327898f2408dce61c423614cc8c4806fa79f6921cee1b88279acc0ba9f427b41ab0fbea3
SSDEEP

1536:Ez44CpRkr9DXhH/2m//56RrufqjhzrmKIFAV0E7:EzvokZRfN/yFj1qrFAH7

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\E3F09D70 = "C:\\Users\\Admin\\AppData\\Roaming\\E3F09D70\\bin.exe"	winver.exe

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	ae1272f7e45fb056e526e77e1c4ca8f12cd4db57a91e2de0c70185bab678acac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe
2556	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2556	winver.exe
1388	Explorer.EXE
1388	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1388	Explorer.EXE
1388	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 2556	2304	ae1272f7e45fb056e526e77e1c4ca8f12cd4db57a91e2de0c70185bab678acac.exe	32
PID 2304 wrote to memory of 2556	2304	ae1272f7e45fb056e526e77e1c4ca8f12cd4db57a91e2de0c70185bab678acac.exe	32
PID 2304 wrote to memory of 2556	2304	ae1272f7e45fb056e526e77e1c4ca8f12cd4db57a91e2de0c70185bab678acac.exe	32
PID 2304 wrote to memory of 2556	2304	ae1272f7e45fb056e526e77e1c4ca8f12cd4db57a91e2de0c70185bab678acac.exe	32
PID 2304 wrote to memory of 2556	2304	ae1272f7e45fb056e526e77e1c4ca8f12cd4db57a91e2de0c70185bab678acac.exe	32
PID 2556 wrote to memory of 1388	2556	winver.exe	21
PID 2556 wrote to memory of 1240	2556	winver.exe	19
PID 2556 wrote to memory of 1324	2556	winver.exe	20
PID 2556 wrote to memory of 1388	2556	winver.exe	21
PID 2556 wrote to memory of 1676	2556	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1240

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1324

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1388
- C:\Users\Admin\AppData\Local\Temp\ae1272f7e45fb056e526e77e1c4ca8f12cd4db57a91e2de0c70185bab678acac.exe
  "C:\Users\Admin\AppData\Local\Temp\ae1272f7e45fb056e526e77e1c4ca8f12cd4db57a91e2de0c70185bab678acac.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2304
- - 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:2556

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1676

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/1240-25-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1240-24-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1324-35-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1324-19-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1324-27-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1324-26-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1388-3-0x0000000002680000-0x0000000002686000-memory.dmp

Filesize
24KB

Download
memory/1388-2-0x0000000002680000-0x0000000002686000-memory.dmp

Filesize
24KB

Download
memory/1388-21-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1388-10-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1388-28-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1388-4-0x0000000002680000-0x0000000002686000-memory.dmp

Filesize
24KB

Download
memory/1676-29-0x0000000001FC0000-0x0000000001FC6000-memory.dmp

Filesize
24KB

Download
memory/1676-30-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1676-23-0x0000000001FC0000-0x0000000001FC6000-memory.dmp

Filesize
24KB

Download
memory/2304-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2304-13-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2304-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2304-5-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2304-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2556-11-0x0000000077270000-0x0000000077419000-memory.dmp

Filesize
1.7MB

Download
memory/2556-9-0x000000007746F000-0x0000000077471000-memory.dmp

Filesize
8KB

Download
memory/2556-6-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2556-7-0x0000000077470000-0x0000000077471000-memory.dmp

Filesize
4KB

Download
memory/2556-8-0x000000007746F000-0x0000000077470000-memory.dmp

Filesize
4KB

Download
memory/2556-31-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download