tinba | 48a9d3fc99ea2d28eee65c913620ee0894e26f0ad44795420a34a83d4ebfe183

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
01-12-2024 01:59

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General

Target

48a9d3fc99ea2d28eee65c913620ee0894e26f0ad44795420a34a83d4ebfe183N.exe
Size

45KB
MD5

f7bdccb7da7410fd5b8209c1df4420b0
SHA1

688d6e73e6eb938ded786cbbc549a690baaa8883
SHA256

48a9d3fc99ea2d28eee65c913620ee0894e26f0ad44795420a34a83d4ebfe183
SHA512

45468cedc98f31c8d53fca204782b9d766c54baf76600ef7774a899e9c2b9bfdd814629a2555d77d6eac9f51f91442331577219306fed162f95deb13279a26e0
SSDEEP

768:JhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:TsWE9N5dFu53dsniQaB/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
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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\472F1078 = "C:\\Users\\Admin\\AppData\\Roaming\\472F1078\\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/1656-0-0x0000000000400000-0x000000000041D000-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	48a9d3fc99ea2d28eee65c913620ee0894e26f0ad44795420a34a83d4ebfe183N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2696	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 2696	1656	48a9d3fc99ea2d28eee65c913620ee0894e26f0ad44795420a34a83d4ebfe183N.exe	31
PID 1656 wrote to memory of 2696	1656	48a9d3fc99ea2d28eee65c913620ee0894e26f0ad44795420a34a83d4ebfe183N.exe	31
PID 1656 wrote to memory of 2696	1656	48a9d3fc99ea2d28eee65c913620ee0894e26f0ad44795420a34a83d4ebfe183N.exe	31
PID 1656 wrote to memory of 2696	1656	48a9d3fc99ea2d28eee65c913620ee0894e26f0ad44795420a34a83d4ebfe183N.exe	31
PID 1656 wrote to memory of 2696	1656	48a9d3fc99ea2d28eee65c913620ee0894e26f0ad44795420a34a83d4ebfe183N.exe	31
PID 2696 wrote to memory of 1388	2696	winver.exe	21
PID 2696 wrote to memory of 1292	2696	winver.exe	19
PID 2696 wrote to memory of 1360	2696	winver.exe	20
PID 2696 wrote to memory of 1388	2696	winver.exe	21
PID 2696 wrote to memory of 1028	2696	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1292

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1360

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1388
- C:\Users\Admin\AppData\Local\Temp\48a9d3fc99ea2d28eee65c913620ee0894e26f0ad44795420a34a83d4ebfe183N.exe
  "C:\Users\Admin\AppData\Local\Temp\48a9d3fc99ea2d28eee65c913620ee0894e26f0ad44795420a34a83d4ebfe183N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1656
- - 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:2696

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1028

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/1028-23-0x0000000001B50000-0x0000000001B56000-memory.dmp

Filesize
24KB

Download
memory/1028-28-0x0000000001B50000-0x0000000001B56000-memory.dmp

Filesize
24KB

Download
memory/1028-29-0x0000000077B81000-0x0000000077B82000-memory.dmp

Filesize
4KB

Download
memory/1292-24-0x0000000001FE0000-0x0000000001FE6000-memory.dmp

Filesize
24KB

Download
memory/1292-25-0x0000000077B81000-0x0000000077B82000-memory.dmp

Filesize
4KB

Download
memory/1360-27-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1360-19-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1388-10-0x0000000077B81000-0x0000000077B82000-memory.dmp

Filesize
4KB

Download
memory/1388-21-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1388-3-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1388-26-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1388-2-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1388-4-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1656-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1656-13-0x0000000001EA0000-0x00000000028A0000-memory.dmp

Filesize
10.0MB

Download
memory/1656-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1656-5-0x0000000001EA0000-0x00000000028A0000-memory.dmp

Filesize
10.0MB

Download
memory/1656-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2696-11-0x0000000077B30000-0x0000000077CD9000-memory.dmp

Filesize
1.7MB

Download
memory/2696-9-0x0000000077D2F000-0x0000000077D31000-memory.dmp

Filesize
8KB

Download
memory/2696-6-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2696-7-0x0000000077D30000-0x0000000077D31000-memory.dmp

Filesize
4KB

Download
memory/2696-8-0x0000000077D2F000-0x0000000077D30000-memory.dmp

Filesize
4KB

Download
memory/2696-30-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download