tinba | cc88b550c439a24848c7abe10e8b2ce7c35fa71cfe99d8527bb86194f7459113

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
01/09/2024, 16:51

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General

Target

87424284eb5ac8ba76507b31d8529b50b2ca308b555e5d711c3a55b423a5db5c.exe
Size

34KB
MD5

ed17ab0a7cf96cee39bb6a1d89ff77da
SHA1

4687b6e477cfb9424afe49d6a40c68bd5f8c96c5
SHA256

87424284eb5ac8ba76507b31d8529b50b2ca308b555e5d711c3a55b423a5db5c
SHA512

ffdf8a7fd18b165927e1d250e0b46282cf6ebbee7d8552d2d19202d5adcc05919b7bf6ac1163fcf6b04d12008516065a5d63d03f4c955c91357608c99b32a81c
SSDEEP

768:hp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:hpYoX58z1uirL98xMWnT0OQ9J2

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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2104-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

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-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\19B4F298 = "C:\\Users\\Admin\\AppData\\Roaming\\19B4F298\\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	87424284eb5ac8ba76507b31d8529b50b2ca308b555e5d711c3a55b423a5db5c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe
1436	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1436	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 1436	2104	87424284eb5ac8ba76507b31d8529b50b2ca308b555e5d711c3a55b423a5db5c.exe	31
PID 2104 wrote to memory of 1436	2104	87424284eb5ac8ba76507b31d8529b50b2ca308b555e5d711c3a55b423a5db5c.exe	31
PID 2104 wrote to memory of 1436	2104	87424284eb5ac8ba76507b31d8529b50b2ca308b555e5d711c3a55b423a5db5c.exe	31
PID 2104 wrote to memory of 1436	2104	87424284eb5ac8ba76507b31d8529b50b2ca308b555e5d711c3a55b423a5db5c.exe	31
PID 2104 wrote to memory of 1436	2104	87424284eb5ac8ba76507b31d8529b50b2ca308b555e5d711c3a55b423a5db5c.exe	31
PID 1436 wrote to memory of 1172	1436	winver.exe	21
PID 1436 wrote to memory of 1072	1436	winver.exe	18
PID 1436 wrote to memory of 1148	1436	winver.exe	20
PID 1436 wrote to memory of 1172	1436	winver.exe	21
PID 1436 wrote to memory of 1320	1436	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1072

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1148

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1172
- C:\Users\Admin\AppData\Local\Temp\87424284eb5ac8ba76507b31d8529b50b2ca308b555e5d711c3a55b423a5db5c.exe
  "C:\Users\Admin\AppData\Local\Temp\87424284eb5ac8ba76507b31d8529b50b2ca308b555e5d711c3a55b423a5db5c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2104
- - 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:1436

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1320

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/1072-27-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/1072-28-0x0000000076E71000-0x0000000076E72000-memory.dmp

Filesize
4KB

Download
memory/1148-29-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1148-21-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1172-10-0x0000000076E71000-0x0000000076E72000-memory.dmp

Filesize
4KB

Download
memory/1172-30-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1172-23-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1172-2-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/1172-3-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/1172-4-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/1320-31-0x0000000076E71000-0x0000000076E72000-memory.dmp

Filesize
4KB

Download
memory/1320-26-0x0000000001EC0000-0x0000000001EC6000-memory.dmp

Filesize
24KB

Download
memory/1320-33-0x0000000076E71000-0x0000000076E72000-memory.dmp

Filesize
4KB

Download
memory/1320-32-0x0000000001EC0000-0x0000000001EC6000-memory.dmp

Filesize
24KB

Download
memory/1436-7-0x0000000077020000-0x0000000077021000-memory.dmp

Filesize
4KB

Download
memory/1436-6-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/1436-11-0x0000000076E20000-0x0000000076FC9000-memory.dmp

Filesize
1.7MB

Download
memory/1436-8-0x000000007701F000-0x0000000077020000-memory.dmp

Filesize
4KB

Download
memory/1436-9-0x000000007701F000-0x0000000077021000-memory.dmp

Filesize
8KB

Download
memory/1436-34-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2104-5-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/2104-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2104-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2104-13-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/2104-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download