tinba | 935f0cbbce8cec3ac9c4fa530761d81c9f6e5d33cd5c6c6c447778dd80023990

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2025 22:39

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General

Target

935f0cbbce8cec3ac9c4fa530761d81c9f6e5d33cd5c6c6c447778dd80023990.exe
Size

45KB
MD5

2aaaeea506136d75f432d7001b951e7e
SHA1

8be38f0546137e521d7fce421d8c935aba991cc6
SHA256

935f0cbbce8cec3ac9c4fa530761d81c9f6e5d33cd5c6c6c447778dd80023990
SHA512

426b292e19dab6cc90713dc43b4dda453193797adddd299bbd0bc2c2bc6647f08ea04b3bdaf62e4aa4379fc050b1f0fde57fcf4419b9762bebe6bebed1620c7a
SSDEEP

768:lhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ23:3sWE9N5dFu53dsniQaB/xZ14n7zIF+qj

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E7EA7644 = "C:\\Users\\Admin\\AppData\\Roaming\\E7EA7644\\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/4148-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
744	4448	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	935f0cbbce8cec3ac9c4fa530761d81c9f6e5d33cd5c6c6c447778dd80023990.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4448	winver.exe
4448	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4448	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4148 wrote to memory of 4448	4148	935f0cbbce8cec3ac9c4fa530761d81c9f6e5d33cd5c6c6c447778dd80023990.exe	84
PID 4148 wrote to memory of 4448	4148	935f0cbbce8cec3ac9c4fa530761d81c9f6e5d33cd5c6c6c447778dd80023990.exe	84
PID 4148 wrote to memory of 4448	4148	935f0cbbce8cec3ac9c4fa530761d81c9f6e5d33cd5c6c6c447778dd80023990.exe	84
PID 4148 wrote to memory of 4448	4148	935f0cbbce8cec3ac9c4fa530761d81c9f6e5d33cd5c6c6c447778dd80023990.exe	84
PID 4448 wrote to memory of 3424	4448	winver.exe	56
PID 4448 wrote to memory of 2904	4448	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2904

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3424
- C:\Users\Admin\AppData\Local\Temp\935f0cbbce8cec3ac9c4fa530761d81c9f6e5d33cd5c6c6c447778dd80023990.exe
  "C:\Users\Admin\AppData\Local\Temp\935f0cbbce8cec3ac9c4fa530761d81c9f6e5d33cd5c6c6c447778dd80023990.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4148
- - 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:4448
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 356
      4⤵
      Program crash
      PID:744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4448 -ip 4448
1⤵
PID:3768

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/2904-13-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/3424-6-0x00007FFD7398D000-0x00007FFD7398E000-memory.dmp

Filesize
4KB

Download
memory/3424-3-0x0000000000A30000-0x0000000000A36000-memory.dmp

Filesize
24KB

Download
memory/3424-2-0x0000000000A30000-0x0000000000A36000-memory.dmp

Filesize
24KB

Download
memory/4148-4-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/4148-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4148-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4148-9-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/4148-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/4448-5-0x0000000077512000-0x0000000077513000-memory.dmp

Filesize
4KB

Download
memory/4448-7-0x00007FFD738F0000-0x00007FFD73AE5000-memory.dmp

Filesize
2.0MB

Download
memory/4448-11-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download
memory/4448-14-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download