tinba | 6c1221b22615aa836abec8f270d67c3ce87ba8964023b04ab81cd4a9124c36f2

Analysis

max time kernel
114s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E797E743 = "C:\\Users\\Admin\\AppData\\Roaming\\E797E743\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3496-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1540	3764	WerFault.exe	84

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 2 IoCs

pid	Process
3764	winver.exe
3764	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3540	Explorer.EXE
Token: SeCreatePagefilePrivilege	3540	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3764	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3496 wrote to memory of 3764	3496	6c1221b22615aa836abec8f270d67c3ce87ba8964023b04ab81cd4a9124c36f2.exe	84
PID 3496 wrote to memory of 3764	3496	6c1221b22615aa836abec8f270d67c3ce87ba8964023b04ab81cd4a9124c36f2.exe	84
PID 3496 wrote to memory of 3764	3496	6c1221b22615aa836abec8f270d67c3ce87ba8964023b04ab81cd4a9124c36f2.exe	84
PID 3496 wrote to memory of 3764	3496	6c1221b22615aa836abec8f270d67c3ce87ba8964023b04ab81cd4a9124c36f2.exe	84
PID 3764 wrote to memory of 3540	3764	winver.exe	56
PID 3764 wrote to memory of 2760	3764	winver.exe	47

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2760

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3540
- 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:3496
- - 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:3764
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3764 -s 352
      4⤵
      Program crash
      PID:1540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3764 -ip 3764
1⤵
PID:1216

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/2760-13-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/3496-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3496-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/3496-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3496-4-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Filesize
10.0MB

Download
memory/3496-9-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Filesize
10.0MB

Download
memory/3540-2-0x0000000000E90000-0x0000000000E96000-memory.dmp

Filesize
24KB

Download
memory/3540-6-0x00007FF900CED000-0x00007FF900CEE000-memory.dmp

Filesize
4KB

Download
memory/3540-3-0x0000000000E90000-0x0000000000E96000-memory.dmp

Filesize
24KB

Download
memory/3764-7-0x00007FF900C50000-0x00007FF900E45000-memory.dmp

Filesize
2.0MB

Download
memory/3764-5-0x00000000773F2000-0x00000000773F3000-memory.dmp

Filesize
4KB

Download
memory/3764-11-0x0000000002340000-0x0000000002346000-memory.dmp

Filesize
24KB

Download
memory/3764-14-0x0000000002340000-0x0000000002346000-memory.dmp

Filesize
24KB

Download