tinba | 353b10be3e7caf03c826f2629917ccecb31d047f144cbed49ce128db0c0fbb28

Resubmissions

18-10-2024 22:13

241018-144n4atalm 10

18-10-2024 16:09

241018-tl12xswbrg 10

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
18-10-2024 16:09

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General

Target

353b10be3e7caf03c826f2629917ccecb31d047f144cbed49ce128db0c0fbb28N.exe
Size

45KB
MD5

15defc51c966139c230f18b03f645bb0
SHA1

c1b5d69dca8b1dc761b1980a25b8db2ac7b3cf7e
SHA256

353b10be3e7caf03c826f2629917ccecb31d047f144cbed49ce128db0c0fbb28
SHA512

8b0d28293ba3c8b2794536a81976d2260b327993728b725e15f7a76ec8d488b64ec30b2510dc218bc974003e8e66063389f3140409b69f03f05398ea80eb35ad
SSDEEP

768:vhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:5sWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\7F006CE2 = "C:\\Users\\Admin\\AppData\\Roaming\\7F006CE2\\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/1864-0-0x0000000000400000-0x000000000041D000-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	353b10be3e7caf03c826f2629917ccecb31d047f144cbed49ce128db0c0fbb28N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe
804	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
804	winver.exe
1168	Explorer.EXE
1168	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1168	Explorer.EXE
1168	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1864 wrote to memory of 804	1864	353b10be3e7caf03c826f2629917ccecb31d047f144cbed49ce128db0c0fbb28N.exe	31
PID 1864 wrote to memory of 804	1864	353b10be3e7caf03c826f2629917ccecb31d047f144cbed49ce128db0c0fbb28N.exe	31
PID 1864 wrote to memory of 804	1864	353b10be3e7caf03c826f2629917ccecb31d047f144cbed49ce128db0c0fbb28N.exe	31
PID 1864 wrote to memory of 804	1864	353b10be3e7caf03c826f2629917ccecb31d047f144cbed49ce128db0c0fbb28N.exe	31
PID 1864 wrote to memory of 804	1864	353b10be3e7caf03c826f2629917ccecb31d047f144cbed49ce128db0c0fbb28N.exe	31
PID 804 wrote to memory of 1168	804	winver.exe	20
PID 804 wrote to memory of 1072	804	winver.exe	18
PID 804 wrote to memory of 1140	804	winver.exe	19
PID 804 wrote to memory of 1168	804	winver.exe	20
PID 804 wrote to memory of 1756	804	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:1140

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1168
- C:\Users\Admin\AppData\Local\Temp\353b10be3e7caf03c826f2629917ccecb31d047f144cbed49ce128db0c0fbb28N.exe
  "C:\Users\Admin\AppData\Local\Temp\353b10be3e7caf03c826f2629917ccecb31d047f144cbed49ce128db0c0fbb28N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1864
- - 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:804

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1756

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/804-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/804-37-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/804-30-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/804-11-0x0000000077560000-0x0000000077709000-memory.dmp

Filesize
1.7MB

Download
memory/804-9-0x000000007775F000-0x0000000077761000-memory.dmp

Filesize
8KB

Download
memory/804-8-0x000000007775F000-0x0000000077760000-memory.dmp

Filesize
4KB

Download
memory/804-7-0x0000000077760000-0x0000000077761000-memory.dmp

Filesize
4KB

Download
memory/1072-22-0x00000000775B1000-0x00000000775B2000-memory.dmp

Filesize
4KB

Download
memory/1072-21-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1072-20-0x00000000775B1000-0x00000000775B2000-memory.dmp

Filesize
4KB

Download
memory/1072-36-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1140-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1140-29-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-10-0x00000000775B1000-0x00000000775B2000-memory.dmp

Filesize
4KB

Download
memory/1168-2-0x0000000002D40000-0x0000000002D46000-memory.dmp

Filesize
24KB

Download
memory/1168-3-0x0000000002D40000-0x0000000002D46000-memory.dmp

Filesize
24KB

Download
memory/1168-25-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/1168-4-0x0000000002D40000-0x0000000002D46000-memory.dmp

Filesize
24KB

Download
memory/1168-32-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/1756-31-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1756-28-0x00000000775B1000-0x00000000775B2000-memory.dmp

Filesize
4KB

Download
memory/1756-27-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1864-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1864-13-0x0000000001D40000-0x0000000002740000-memory.dmp

Filesize
10.0MB

Download
memory/1864-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1864-5-0x0000000001D40000-0x0000000002740000-memory.dmp

Filesize
10.0MB

Download
memory/1864-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download