tinba | 054900b40c9a833a6ddfa033cca5392999351703f5b8242ef4be1805d851d38a

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 00:48

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General

Target

054900b40c9a833a6ddfa033cca5392999351703f5b8242ef4be1805d851d38aN.exe
Size

52KB
MD5

7c023915f49f94e81e6af95f7f9056a0
SHA1

4c62cc26df3331b331f86d81745758e758115f12
SHA256

054900b40c9a833a6ddfa033cca5392999351703f5b8242ef4be1805d851d38a
SHA512

2cee0fd3c7abff482dff191d1acf85130c212cb13a05ec537508e2822cf612021eda5c6faf9aaf2e56286bfd49e80aadd8f6458ef05e1e6ec4144c04800b9a38
SSDEEP

768:3vC6RMtZNZUXeb4fXDR2JVDDISp8m7DM3pIg4LqTTUUnGg7O1/l9Jq/:LmZNZUXeQXFhS6sM3prUSGg7O1d9Ja

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\FA2F73A7 = "C:\\Users\\Admin\\AppData\\Roaming\\FA2F73A7\\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	054900b40c9a833a6ddfa033cca5392999351703f5b8242ef4be1805d851d38aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2088	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2088	2528	054900b40c9a833a6ddfa033cca5392999351703f5b8242ef4be1805d851d38aN.exe	31
PID 2528 wrote to memory of 2088	2528	054900b40c9a833a6ddfa033cca5392999351703f5b8242ef4be1805d851d38aN.exe	31
PID 2528 wrote to memory of 2088	2528	054900b40c9a833a6ddfa033cca5392999351703f5b8242ef4be1805d851d38aN.exe	31
PID 2528 wrote to memory of 2088	2528	054900b40c9a833a6ddfa033cca5392999351703f5b8242ef4be1805d851d38aN.exe	31
PID 2528 wrote to memory of 2088	2528	054900b40c9a833a6ddfa033cca5392999351703f5b8242ef4be1805d851d38aN.exe	31
PID 2088 wrote to memory of 1148	2088	winver.exe	20
PID 2088 wrote to memory of 1048	2088	winver.exe	17
PID 2088 wrote to memory of 1060	2088	winver.exe	18
PID 2088 wrote to memory of 1148	2088	winver.exe	20
PID 2088 wrote to memory of 1788	2088	winver.exe	25

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1048

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1060

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1148
- C:\Users\Admin\AppData\Local\Temp\054900b40c9a833a6ddfa033cca5392999351703f5b8242ef4be1805d851d38aN.exe
  "C:\Users\Admin\AppData\Local\Temp\054900b40c9a833a6ddfa033cca5392999351703f5b8242ef4be1805d851d38aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2528
- - 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:2088

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1788

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/1048-25-0x0000000076FF1000-0x0000000076FF2000-memory.dmp

Filesize
4KB

Download
memory/1048-24-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/1060-29-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1060-19-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1148-1-0x0000000002F00000-0x0000000002F06000-memory.dmp

Filesize
24KB

Download
memory/1148-9-0x0000000076FF1000-0x0000000076FF2000-memory.dmp

Filesize
4KB

Download
memory/1148-26-0x00000000029A0000-0x00000000029A6000-memory.dmp

Filesize
24KB

Download
memory/1148-2-0x0000000002F00000-0x0000000002F06000-memory.dmp

Filesize
24KB

Download
memory/1148-3-0x0000000002F00000-0x0000000002F06000-memory.dmp

Filesize
24KB

Download
memory/1148-21-0x00000000029A0000-0x00000000029A6000-memory.dmp

Filesize
24KB

Download
memory/1788-28-0x0000000076FF1000-0x0000000076FF2000-memory.dmp

Filesize
4KB

Download
memory/1788-27-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/1788-23-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2088-7-0x000000007719F000-0x00000000771A0000-memory.dmp

Filesize
4KB

Download
memory/2088-10-0x0000000076FA0000-0x0000000077149000-memory.dmp

Filesize
1.7MB

Download
memory/2088-5-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2088-6-0x00000000771A0000-0x00000000771A1000-memory.dmp

Filesize
4KB

Download
memory/2088-8-0x000000007719F000-0x00000000771A1000-memory.dmp

Filesize
8KB

Download
memory/2088-30-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2528-12-0x0000000001C40000-0x0000000002640000-memory.dmp

Filesize
10.0MB

Download
memory/2528-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2528-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2528-4-0x0000000001C40000-0x0000000002640000-memory.dmp

Filesize
10.0MB

Download