tinba | da867d96f5a1025594feabde61c915bab32611c4167641d807fbb98bd801af28

Analysis

max time kernel
109s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2024 20:20

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General

Target

da867d96f5a1025594feabde61c915bab32611c4167641d807fbb98bd801af28.exe
Size

110KB
MD5

44d3999e6b7a9d75b372033a7878a4e9
SHA1

1db971dadc5e0b5ead4a196219cc841050e59628
SHA256

da867d96f5a1025594feabde61c915bab32611c4167641d807fbb98bd801af28
SHA512

3cc2551938520a46e8edf31e9c238dee65bb2a04e09012abe1b4203d82f5de276a5d279eab1dd1136eabd64cc36ec902c718386448c26dc64599cb14c67e11f1
SSDEEP

1536:liLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EQ:liyvRmDLs/ZrwWJjAqGcRJ2hQ

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\108D76FF = "C:\\Users\\Admin\\AppData\\Roaming\\108D76FF\\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/3128-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3340	1252	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	da867d96f5a1025594feabde61c915bab32611c4167641d807fbb98bd801af28.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1252	winver.exe
1252	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1252	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3128 wrote to memory of 1252	3128	da867d96f5a1025594feabde61c915bab32611c4167641d807fbb98bd801af28.exe	84
PID 3128 wrote to memory of 1252	3128	da867d96f5a1025594feabde61c915bab32611c4167641d807fbb98bd801af28.exe	84
PID 3128 wrote to memory of 1252	3128	da867d96f5a1025594feabde61c915bab32611c4167641d807fbb98bd801af28.exe	84
PID 3128 wrote to memory of 1252	3128	da867d96f5a1025594feabde61c915bab32611c4167641d807fbb98bd801af28.exe	84
PID 1252 wrote to memory of 3528	1252	winver.exe	56
PID 1252 wrote to memory of 2820	1252	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2820

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3528
- C:\Users\Admin\AppData\Local\Temp\da867d96f5a1025594feabde61c915bab32611c4167641d807fbb98bd801af28.exe
  "C:\Users\Admin\AppData\Local\Temp\da867d96f5a1025594feabde61c915bab32611c4167641d807fbb98bd801af28.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3128
- - 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:1252
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1252 -s 352
      4⤵
      Program crash
      PID:3340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1252 -ip 1252
1⤵
PID:3104

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/1252-5-0x0000000077BA2000-0x0000000077BA3000-memory.dmp

Filesize
4KB

Download
memory/1252-7-0x00007FFDBBB50000-0x00007FFDBBD45000-memory.dmp

Filesize
2.0MB

Download
memory/1252-10-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/1252-13-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/2820-12-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/3128-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3128-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3128-4-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Filesize
10.0MB

Download
memory/3128-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3528-3-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/3528-2-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/3528-6-0x00007FFDBBBED000-0x00007FFDBBBEE000-memory.dmp

Filesize
4KB

Download