tinba | 6c1221b22615aa836abec8f270d67c3ce87ba8964023b04ab81cd4a9124c36f2

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/01/2025, 07:28

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General

Target

6c1221b22615aa836abec8f270d67c3ce87ba8964023b04ab81cd4a9124c36f2.exe
Size

45KB
MD5

8e1713a8a03f40b568fbce9800b0fe87
SHA1

88a8419ba14504c59b8ef74cc9b70f7a0298ea2d
SHA256

6c1221b22615aa836abec8f270d67c3ce87ba8964023b04ab81cd4a9124c36f2
SHA512

c308892e7559fbd27eafae894dd04862b1aee40e034c20df7fd4b7314c0d2967a43f141e7196f4b38205a1e68582968effba690fd243cddb85a6a29c8cf24da7
SSDEEP

768:5hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ29:jsWE9N5dFu53dsniQaB/xZ14n7zIF+qB

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\00647D2C = "C:\\Users\\Admin\\AppData\\Roaming\\00647D2C\\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/2504-0-0x0000000000400000-0x000000000041D000-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	6c1221b22615aa836abec8f270d67c3ce87ba8964023b04ab81cd4a9124c36f2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe
2836	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2836	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2836	2504	6c1221b22615aa836abec8f270d67c3ce87ba8964023b04ab81cd4a9124c36f2.exe	32
PID 2504 wrote to memory of 2836	2504	6c1221b22615aa836abec8f270d67c3ce87ba8964023b04ab81cd4a9124c36f2.exe	32
PID 2504 wrote to memory of 2836	2504	6c1221b22615aa836abec8f270d67c3ce87ba8964023b04ab81cd4a9124c36f2.exe	32
PID 2504 wrote to memory of 2836	2504	6c1221b22615aa836abec8f270d67c3ce87ba8964023b04ab81cd4a9124c36f2.exe	32
PID 2504 wrote to memory of 2836	2504	6c1221b22615aa836abec8f270d67c3ce87ba8964023b04ab81cd4a9124c36f2.exe	32
PID 2836 wrote to memory of 1184	2836	winver.exe	21
PID 2836 wrote to memory of 1060	2836	winver.exe	18
PID 2836 wrote to memory of 1140	2836	winver.exe	20
PID 2836 wrote to memory of 1184	2836	winver.exe	21
PID 2836 wrote to memory of 2040	2836	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1140

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\6c1221b22615aa836abec8f270d67c3ce87ba8964023b04ab81cd4a9124c36f2.exe
  "C:\Users\Admin\AppData\Local\Temp\6c1221b22615aa836abec8f270d67c3ce87ba8964023b04ab81cd4a9124c36f2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2504
- - 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:2836

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2040

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/1060-26-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1060-27-0x0000000077101000-0x0000000077102000-memory.dmp

Filesize
4KB

Download
memory/1140-29-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1140-21-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1184-32-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1184-2-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1184-10-0x0000000077101000-0x0000000077102000-memory.dmp

Filesize
4KB

Download
memory/1184-3-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1184-23-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1184-4-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/2040-30-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/2040-31-0x0000000077101000-0x0000000077102000-memory.dmp

Filesize
4KB

Download
memory/2040-25-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/2504-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2504-13-0x0000000001EB0000-0x00000000028B0000-memory.dmp

Filesize
10.0MB

Download
memory/2504-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2504-5-0x0000000001EB0000-0x00000000028B0000-memory.dmp

Filesize
10.0MB

Download
memory/2504-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2836-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2836-7-0x00000000772B0000-0x00000000772B1000-memory.dmp

Filesize
4KB

Download
memory/2836-8-0x00000000772AF000-0x00000000772B0000-memory.dmp

Filesize
4KB

Download
memory/2836-9-0x00000000772AF000-0x00000000772B1000-memory.dmp

Filesize
8KB

Download
memory/2836-11-0x00000000770B0000-0x0000000077259000-memory.dmp

Filesize
1.7MB

Download
memory/2836-28-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2836-37-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download