tinba | aecd4f769a6bccfc51da04933ed1edb3cdf6138394a1d80a47a055a71b66dd24

Analysis

max time kernel
110s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 12:56

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General

Target

aecd4f769a6bccfc51da04933ed1edb3cdf6138394a1d80a47a055a71b66dd24N.exe
Size

110KB
MD5

4e283851054d25fd3d13b0f6bc296fa0
SHA1

30bc809eaae337468f3109630e8fb6f2146e4b4c
SHA256

aecd4f769a6bccfc51da04933ed1edb3cdf6138394a1d80a47a055a71b66dd24
SHA512

11b40cb4b81f6362523b6465f058449c151aeac685cf465520ab94ff6d37a016f815cd0423fe22ff8c8bd3d6b2060ffc7a3d8a3e9f7c7582151d4a86183ac93f
SSDEEP

1536:RiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:RiyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6BF0C108 = "C:\\Users\\Admin\\AppData\\Roaming\\6BF0C108\\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/656-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1348	3240	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	aecd4f769a6bccfc51da04933ed1edb3cdf6138394a1d80a47a055a71b66dd24N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3240	winver.exe
3240	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3240	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 656 wrote to memory of 3240	656	aecd4f769a6bccfc51da04933ed1edb3cdf6138394a1d80a47a055a71b66dd24N.exe	84
PID 656 wrote to memory of 3240	656	aecd4f769a6bccfc51da04933ed1edb3cdf6138394a1d80a47a055a71b66dd24N.exe	84
PID 656 wrote to memory of 3240	656	aecd4f769a6bccfc51da04933ed1edb3cdf6138394a1d80a47a055a71b66dd24N.exe	84
PID 656 wrote to memory of 3240	656	aecd4f769a6bccfc51da04933ed1edb3cdf6138394a1d80a47a055a71b66dd24N.exe	84
PID 3240 wrote to memory of 3440	3240	winver.exe	56
PID 3240 wrote to memory of 692	3240	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:692

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3440
- C:\Users\Admin\AppData\Local\Temp\aecd4f769a6bccfc51da04933ed1edb3cdf6138394a1d80a47a055a71b66dd24N.exe
  "C:\Users\Admin\AppData\Local\Temp\aecd4f769a6bccfc51da04933ed1edb3cdf6138394a1d80a47a055a71b66dd24N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:656
- - 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:3240
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3240 -s 352
      4⤵
      Program crash
      PID:1348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3240 -ip 3240
1⤵
PID:2820

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/656-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/656-1-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/656-9-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/656-4-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/656-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/692-13-0x0000000000C20000-0x0000000000C26000-memory.dmp

Filesize
24KB

Download
memory/3240-5-0x0000000077252000-0x0000000077253000-memory.dmp

Filesize
4KB

Download
memory/3240-7-0x00007FFF44C90000-0x00007FFF44E85000-memory.dmp

Filesize
2.0MB

Download
memory/3240-11-0x0000000000AA0000-0x0000000000AA6000-memory.dmp

Filesize
24KB

Download
memory/3240-14-0x0000000000AA0000-0x0000000000AA6000-memory.dmp

Filesize
24KB

Download
memory/3440-6-0x00007FFF44D2D000-0x00007FFF44D2E000-memory.dmp

Filesize
4KB

Download
memory/3440-3-0x0000000000F80000-0x0000000000F86000-memory.dmp

Filesize
24KB

Download
memory/3440-2-0x0000000000F80000-0x0000000000F86000-memory.dmp

Filesize
24KB

Download