tinba | 3b5375c6f45cbe7de4a5bd2cba5757766f3ed89c5fffac5d2586c1a383d50a00

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/09/2024, 04:21

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General

Target

3b5375c6f45cbe7de4a5bd2cba5757766f3ed89c5fffac5d2586c1a383d50a00N.exe
Size

45KB
MD5

0282500ea64ef8fc1d27755588824360
SHA1

33e2891fd9eab61ea7a7f02fceed9c1e1b075779
SHA256

3b5375c6f45cbe7de4a5bd2cba5757766f3ed89c5fffac5d2586c1a383d50a00
SHA512

d67f69e8831a4b02ad6ccf3e0b9c6f63f910fd7599ba49aceecdbabb58775347622974a09c1c4237f47c4e96e5cf7aba74350ecfa3d1767f15ef67bfa3c78153
SSDEEP

768:NhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:vsWE9N5dFu53dsniQaB/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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\17BB257C = "C:\\Users\\Admin\\AppData\\Roaming\\17BB257C\\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/1216-0-0x0000000000400000-0x000000000041D000-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	3b5375c6f45cbe7de4a5bd2cba5757766f3ed89c5fffac5d2586c1a383d50a00N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe
2936	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2936	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1216 wrote to memory of 2936	1216	3b5375c6f45cbe7de4a5bd2cba5757766f3ed89c5fffac5d2586c1a383d50a00N.exe	30
PID 1216 wrote to memory of 2936	1216	3b5375c6f45cbe7de4a5bd2cba5757766f3ed89c5fffac5d2586c1a383d50a00N.exe	30
PID 1216 wrote to memory of 2936	1216	3b5375c6f45cbe7de4a5bd2cba5757766f3ed89c5fffac5d2586c1a383d50a00N.exe	30
PID 1216 wrote to memory of 2936	1216	3b5375c6f45cbe7de4a5bd2cba5757766f3ed89c5fffac5d2586c1a383d50a00N.exe	30
PID 1216 wrote to memory of 2936	1216	3b5375c6f45cbe7de4a5bd2cba5757766f3ed89c5fffac5d2586c1a383d50a00N.exe	30
PID 2936 wrote to memory of 1364	2936	winver.exe	20
PID 2936 wrote to memory of 1232	2936	winver.exe	18
PID 2936 wrote to memory of 1304	2936	winver.exe	19
PID 2936 wrote to memory of 1364	2936	winver.exe	20
PID 2936 wrote to memory of 1620	2936	winver.exe	22

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1232

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1304

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1364
- C:\Users\Admin\AppData\Local\Temp\3b5375c6f45cbe7de4a5bd2cba5757766f3ed89c5fffac5d2586c1a383d50a00N.exe
  "C:\Users\Admin\AppData\Local\Temp\3b5375c6f45cbe7de4a5bd2cba5757766f3ed89c5fffac5d2586c1a383d50a00N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1216
- - 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:2936

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1620

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/1216-5-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/1216-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1216-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1216-13-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/1216-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1232-25-0x0000000001C80000-0x0000000001C86000-memory.dmp

Filesize
24KB

Download
memory/1232-26-0x0000000077641000-0x0000000077642000-memory.dmp

Filesize
4KB

Download
memory/1304-27-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1304-19-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1364-29-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/1364-22-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/1364-3-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1364-10-0x0000000077641000-0x0000000077642000-memory.dmp

Filesize
4KB

Download
memory/1364-4-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1364-2-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1620-24-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/1620-28-0x0000000077641000-0x0000000077642000-memory.dmp

Filesize
4KB

Download
memory/1620-30-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/1620-31-0x0000000077641000-0x0000000077642000-memory.dmp

Filesize
4KB

Download
memory/2936-11-0x00000000775F0000-0x0000000077799000-memory.dmp

Filesize
1.7MB

Download
memory/2936-6-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2936-7-0x00000000777F0000-0x00000000777F1000-memory.dmp

Filesize
4KB

Download
memory/2936-8-0x00000000777EF000-0x00000000777F0000-memory.dmp

Filesize
4KB

Download
memory/2936-9-0x00000000777EF000-0x00000000777F1000-memory.dmp

Filesize
8KB

Download
memory/2936-32-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download