tinba | 98c895f9acf465a671d1dbaa13318b60060d37ae16481da3a6a9e483cb2b05ad

Analysis

max time kernel
146s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 20:18

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General

Target

98c895f9acf465a671d1dbaa13318b60060d37ae16481da3a6a9e483cb2b05ad.exe
Size

89KB
MD5

6732e9562e38f0b0cde25effee0f7375
SHA1

cc46132c6670dd49044c875e8992a1598d968668
SHA256

98c895f9acf465a671d1dbaa13318b60060d37ae16481da3a6a9e483cb2b05ad
SHA512

e6e32ba4363cdc24153cf3c7cd74b76c6bb5897c9557bebffa17a114430e39ad78d5622e18fa42274525ac2d1e28632cabf9901cfb02ca52d5520195ebf5dceb
SSDEEP

1536:r1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7+:B+4MJIkLZJNAQ9Jo9+

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D7ED22F1 = "C:\\Users\\Admin\\AppData\\Roaming\\D7ED22F1\\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/548-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4460	3336	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	98c895f9acf465a671d1dbaa13318b60060d37ae16481da3a6a9e483cb2b05ad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3336	winver.exe
3336	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3344	Explorer.EXE
Token: SeCreatePagefilePrivilege	3344	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3336	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 3336	548	98c895f9acf465a671d1dbaa13318b60060d37ae16481da3a6a9e483cb2b05ad.exe	84
PID 548 wrote to memory of 3336	548	98c895f9acf465a671d1dbaa13318b60060d37ae16481da3a6a9e483cb2b05ad.exe	84
PID 548 wrote to memory of 3336	548	98c895f9acf465a671d1dbaa13318b60060d37ae16481da3a6a9e483cb2b05ad.exe	84
PID 548 wrote to memory of 3336	548	98c895f9acf465a671d1dbaa13318b60060d37ae16481da3a6a9e483cb2b05ad.exe	84
PID 3336 wrote to memory of 3344	3336	winver.exe	55
PID 3336 wrote to memory of 3052	3336	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3052

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3344
- C:\Users\Admin\AppData\Local\Temp\98c895f9acf465a671d1dbaa13318b60060d37ae16481da3a6a9e483cb2b05ad.exe
  "C:\Users\Admin\AppData\Local\Temp\98c895f9acf465a671d1dbaa13318b60060d37ae16481da3a6a9e483cb2b05ad.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:548
- - 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:3336
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3336 -s 352
      4⤵
      Program crash
      PID:4460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3336 -ip 3336
1⤵
PID:3624

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/548-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/548-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/548-10-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/548-4-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/548-9-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3052-14-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/3336-6-0x0000000077692000-0x0000000077693000-memory.dmp

Filesize
4KB

Download
memory/3336-5-0x00000000023E0000-0x00000000023E6000-memory.dmp

Filesize
24KB

Download
memory/3336-8-0x00007FFCDA210000-0x00007FFCDA405000-memory.dmp

Filesize
2.0MB

Download
memory/3336-15-0x00000000023E0000-0x00000000023E6000-memory.dmp

Filesize
24KB

Download
memory/3344-7-0x00007FFCDA2AD000-0x00007FFCDA2AE000-memory.dmp

Filesize
4KB

Download
memory/3344-2-0x0000000000980000-0x0000000000986000-memory.dmp

Filesize
24KB

Download
memory/3344-3-0x0000000000980000-0x0000000000986000-memory.dmp

Filesize
24KB

Download