tinba | 3d31b34ad1ae466cb169d16c8fe3d4a0f3291aa58222adc35cd74460cb99630a

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
11-01-2025 03:40

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General

Target

3d31b34ad1ae466cb169d16c8fe3d4a0f3291aa58222adc35cd74460cb99630a.exe
Size

110KB
MD5

76ea40782d074c30ca43771555de24dc
SHA1

d7d6c3cf2871bba30ec5d5b0ac90c9791cea4db2
SHA256

3d31b34ad1ae466cb169d16c8fe3d4a0f3291aa58222adc35cd74460cb99630a
SHA512

cb23614372ae0d6bf80ef3da519ae3919f0c6176ba8805b462bab2e30ce42632a4c09ad6a77421dac099d50f2689d3b34ba9e89f858038e0c0416851b59972f3
SSDEEP

1536:HiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EQ:HiyvRmDLs/ZrwWJjAqGcRJ2hQ

Score

10^/10

tinba banker discovery persistence trojan upx

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\5104A39D = "C:\\Users\\Admin\\AppData\\Roaming\\5104A39D\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2188-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

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	3d31b34ad1ae466cb169d16c8fe3d4a0f3291aa58222adc35cd74460cb99630a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe
1516	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1516	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 2188 wrote to memory of 1516	2188	3d31b34ad1ae466cb169d16c8fe3d4a0f3291aa58222adc35cd74460cb99630a.exe	32
PID 2188 wrote to memory of 1516	2188	3d31b34ad1ae466cb169d16c8fe3d4a0f3291aa58222adc35cd74460cb99630a.exe	32
PID 2188 wrote to memory of 1516	2188	3d31b34ad1ae466cb169d16c8fe3d4a0f3291aa58222adc35cd74460cb99630a.exe	32
PID 2188 wrote to memory of 1516	2188	3d31b34ad1ae466cb169d16c8fe3d4a0f3291aa58222adc35cd74460cb99630a.exe	32
PID 2188 wrote to memory of 1516	2188	3d31b34ad1ae466cb169d16c8fe3d4a0f3291aa58222adc35cd74460cb99630a.exe	32
PID 1516 wrote to memory of 1388	1516	winver.exe	21
PID 1516 wrote to memory of 1240	1516	winver.exe	19
PID 1516 wrote to memory of 1324	1516	winver.exe	20
PID 1516 wrote to memory of 1388	1516	winver.exe	21
PID 1516 wrote to memory of 1676	1516	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\3d31b34ad1ae466cb169d16c8fe3d4a0f3291aa58222adc35cd74460cb99630a.exe
  "C:\Users\Admin\AppData\Local\Temp\3d31b34ad1ae466cb169d16c8fe3d4a0f3291aa58222adc35cd74460cb99630a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2188
- - 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:1516

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/1240-27-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1240-28-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/1324-21-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1324-29-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/1388-23-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

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

Filesize
4KB

Download
memory/1388-32-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

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

Filesize
24KB

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

Filesize
24KB

Download
memory/1516-7-0x0000000077470000-0x0000000077471000-memory.dmp

Filesize
4KB

Download
memory/1516-8-0x000000007746F000-0x0000000077470000-memory.dmp

Filesize
4KB

Download
memory/1516-38-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/1516-33-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/1516-11-0x0000000077270000-0x0000000077419000-memory.dmp

Filesize
1.7MB

Download
memory/1516-9-0x000000007746F000-0x0000000077471000-memory.dmp

Filesize
8KB

Download
memory/1516-6-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/1676-26-0x0000000001FC0000-0x0000000001FC6000-memory.dmp

Filesize
24KB

Download
memory/1676-30-0x0000000001FC0000-0x0000000001FC6000-memory.dmp

Filesize
24KB

Download
memory/1676-31-0x00000000772C1000-0x00000000772C2000-memory.dmp

Filesize
4KB

Download
memory/2188-14-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2188-5-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2188-13-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2188-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2188-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download