tinba | 762984acc17f00c41045116b954ea047c665c391f0326101d46b640022037dd4

Analysis

max time kernel
145s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2025 02:52

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General

Target

762984acc17f00c41045116b954ea047c665c391f0326101d46b640022037dd4.exe
Size

45KB
MD5

9fb5d50e596f2bdaa15eb1041495f81d
SHA1

74b249bedc4f1438dd22ca00220e8fa98dc64f7e
SHA256

762984acc17f00c41045116b954ea047c665c391f0326101d46b640022037dd4
SHA512

20629c4a072dc281411ced29a75d722d8ef4072c1ee584d3eb89a61af115efb28f5ebc215848dbfa57bdf70c523657479f5c8046fbccc95f5eef4cc8cdd51f41
SSDEEP

768:mhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:qsWE9N5dFu53dsniQaB/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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\19511489 = "C:\\Users\\Admin\\AppData\\Roaming\\19511489\\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/1804-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2132	2088	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	762984acc17f00c41045116b954ea047c665c391f0326101d46b640022037dd4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2088	winver.exe
2088	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2088	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 2088	1804	762984acc17f00c41045116b954ea047c665c391f0326101d46b640022037dd4.exe	83
PID 1804 wrote to memory of 2088	1804	762984acc17f00c41045116b954ea047c665c391f0326101d46b640022037dd4.exe	83
PID 1804 wrote to memory of 2088	1804	762984acc17f00c41045116b954ea047c665c391f0326101d46b640022037dd4.exe	83
PID 1804 wrote to memory of 2088	1804	762984acc17f00c41045116b954ea047c665c391f0326101d46b640022037dd4.exe	83
PID 2088 wrote to memory of 3436	2088	winver.exe	56
PID 2088 wrote to memory of 3016	2088	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3016

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\762984acc17f00c41045116b954ea047c665c391f0326101d46b640022037dd4.exe
  "C:\Users\Admin\AppData\Local\Temp\762984acc17f00c41045116b954ea047c665c391f0326101d46b640022037dd4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1804
- - 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\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2088 -s 352
      4⤵
      Program crash
      PID:2132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2088 -ip 2088
1⤵
PID:4500

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/1804-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1804-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/1804-9-0x00000000023E0000-0x0000000002DE0000-memory.dmp

Filesize
10.0MB

Download
memory/1804-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1804-4-0x00000000023E0000-0x0000000002DE0000-memory.dmp

Filesize
10.0MB

Download
memory/2088-5-0x0000000077BD2000-0x0000000077BD3000-memory.dmp

Filesize
4KB

Download
memory/2088-7-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp

Filesize
2.0MB

Download
memory/2088-11-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

Download
memory/2088-14-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

Download
memory/3016-13-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/3436-6-0x00007FFB0CA0D000-0x00007FFB0CA0E000-memory.dmp

Filesize
4KB

Download
memory/3436-3-0x0000000000C30000-0x0000000000C36000-memory.dmp

Filesize
24KB

Download
memory/3436-2-0x0000000000C30000-0x0000000000C36000-memory.dmp

Filesize
24KB

Download