tinba | 128c1212a704ae0c6a412e38b3a694afd2171cbed4031a23619c14406b41558d

Analysis

max time kernel
102s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2024 10:28

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General

Target

128c1212a704ae0c6a412e38b3a694afd2171cbed4031a23619c14406b41558dN.exe
Size

45KB
MD5

570a5fb4bde2d8018f9ad199fc5a9470
SHA1

5b769d15c7f8c1877af99c29e3d1a90696ae8d62
SHA256

128c1212a704ae0c6a412e38b3a694afd2171cbed4031a23619c14406b41558d
SHA512

bf7a598a4a30e3531c357a2ed31538debc7958e6fbd08761dd4befd8de8e4d66e9b4afd22575cd31228e70a43f180adf6980ccf5033ba553e3df4679986e330a
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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\86E9DB39 = "C:\\Users\\Admin\\AppData\\Roaming\\86E9DB39\\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/404-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2156	2788	WerFault.exe	83

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	128c1212a704ae0c6a412e38b3a694afd2171cbed4031a23619c14406b41558dN.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2788	winver.exe
2788	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2788	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 404 wrote to memory of 2788	404	128c1212a704ae0c6a412e38b3a694afd2171cbed4031a23619c14406b41558dN.exe	83
PID 404 wrote to memory of 2788	404	128c1212a704ae0c6a412e38b3a694afd2171cbed4031a23619c14406b41558dN.exe	83
PID 404 wrote to memory of 2788	404	128c1212a704ae0c6a412e38b3a694afd2171cbed4031a23619c14406b41558dN.exe	83
PID 404 wrote to memory of 2788	404	128c1212a704ae0c6a412e38b3a694afd2171cbed4031a23619c14406b41558dN.exe	83
PID 2788 wrote to memory of 3380	2788	winver.exe	56
PID 2788 wrote to memory of 2556	2788	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2556

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3380
- C:\Users\Admin\AppData\Local\Temp\128c1212a704ae0c6a412e38b3a694afd2171cbed4031a23619c14406b41558dN.exe
  "C:\Users\Admin\AppData\Local\Temp\128c1212a704ae0c6a412e38b3a694afd2171cbed4031a23619c14406b41558dN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:404
- - 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:2788
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2788 -s 352
      4⤵
      Program crash
      PID:2156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2788 -ip 2788
1⤵
PID:1940

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/404-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/404-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/404-9-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/404-4-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/404-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2556-13-0x0000000000C90000-0x0000000000C96000-memory.dmp

Filesize
24KB

Download
memory/2788-5-0x0000000077EB2000-0x0000000077EB3000-memory.dmp

Filesize
4KB

Download
memory/2788-7-0x00007FFEDFA70000-0x00007FFEDFC65000-memory.dmp

Filesize
2.0MB

Download
memory/2788-11-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/2788-14-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/3380-6-0x00007FFEDFB0D000-0x00007FFEDFB0E000-memory.dmp

Filesize
4KB

Download
memory/3380-2-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/3380-3-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download