tinba | c98cd7f24427e84627bc8665bb3dca67231f7e6e89a45a1c0371402c65d448d9

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30/08/2024, 18:27

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General

Target

8df00031baa533015f9c6ab5b52d9c80N.exe
Size

45KB
MD5

8df00031baa533015f9c6ab5b52d9c80
SHA1

685255b04766122f9f19026e9d72bb0d7dcac34e
SHA256

c98cd7f24427e84627bc8665bb3dca67231f7e6e89a45a1c0371402c65d448d9
SHA512

8859d631a1f06e7d9482d912b427d889fd27d1b4ddbc3e24bec11ead156cf5d4fdaeae3c4df664f2e98e97f077ad5792b91984efbeaecfc6d00e9c06a22e38c9
SSDEEP

768:uphP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:uzsWE9N5dFu53dsniQaB/xZ14n7zIF++

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/2376-0-0x0000000000400000-0x000000000041D000-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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\90D04F11 = "C:\\Users\\Admin\\AppData\\Roaming\\90D04F11\\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	8df00031baa533015f9c6ab5b52d9c80N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe
1952	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1952	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 1952	2376	8df00031baa533015f9c6ab5b52d9c80N.exe	31
PID 2376 wrote to memory of 1952	2376	8df00031baa533015f9c6ab5b52d9c80N.exe	31
PID 2376 wrote to memory of 1952	2376	8df00031baa533015f9c6ab5b52d9c80N.exe	31
PID 2376 wrote to memory of 1952	2376	8df00031baa533015f9c6ab5b52d9c80N.exe	31
PID 2376 wrote to memory of 1952	2376	8df00031baa533015f9c6ab5b52d9c80N.exe	31
PID 1952 wrote to memory of 1288	1952	winver.exe	21
PID 1952 wrote to memory of 1112	1952	winver.exe	19
PID 1952 wrote to memory of 1204	1952	winver.exe	20
PID 1952 wrote to memory of 1288	1952	winver.exe	21
PID 1952 wrote to memory of 1616	1952	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1204

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1288
- C:\Users\Admin\AppData\Local\Temp\8df00031baa533015f9c6ab5b52d9c80N.exe
  "C:\Users\Admin\AppData\Local\Temp\8df00031baa533015f9c6ab5b52d9c80N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2376
- - 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:1952

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1616

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/1112-27-0x0000000077B81000-0x0000000077B82000-memory.dmp

Filesize
4KB

Download
memory/1112-35-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1112-30-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1204-34-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1204-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1204-22-0x0000000077B81000-0x0000000077B82000-memory.dmp

Filesize
4KB

Download
memory/1204-29-0x0000000077B81000-0x0000000077B82000-memory.dmp

Filesize
4KB

Download
memory/1204-23-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1204-24-0x0000000077B81000-0x0000000077B82000-memory.dmp

Filesize
4KB

Download
memory/1288-21-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1288-32-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1288-3-0x00000000029A0000-0x00000000029A6000-memory.dmp

Filesize
24KB

Download
memory/1288-4-0x00000000029A0000-0x00000000029A6000-memory.dmp

Filesize
24KB

Download
memory/1288-2-0x00000000029A0000-0x00000000029A6000-memory.dmp

Filesize
24KB

Download
memory/1288-10-0x0000000077B81000-0x0000000077B82000-memory.dmp

Filesize
4KB

Download
memory/1616-28-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1616-33-0x0000000077B81000-0x0000000077B82000-memory.dmp

Filesize
4KB

Download
memory/1616-36-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1952-11-0x0000000077B30000-0x0000000077CD9000-memory.dmp

Filesize
1.7MB

Download
memory/1952-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1952-7-0x0000000077D30000-0x0000000077D31000-memory.dmp

Filesize
4KB

Download
memory/1952-8-0x0000000077D2F000-0x0000000077D30000-memory.dmp

Filesize
4KB

Download
memory/1952-9-0x0000000077D2F000-0x0000000077D31000-memory.dmp

Filesize
8KB

Download
memory/1952-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2376-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2376-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2376-13-0x0000000001E30000-0x0000000002830000-memory.dmp

Filesize
10.0MB

Download
memory/2376-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2376-5-0x0000000001E30000-0x0000000002830000-memory.dmp

Filesize
10.0MB

Download