tinba | e4a2af62d511687167ad5f264a0035ebee5a694363112ef530c344591261eea7

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
25-12-2024 17:09

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General

Target

e4a2af62d511687167ad5f264a0035ebee5a694363112ef530c344591261eea7.exe
Size

89KB
MD5

0b91932f16c8ded96503b52f8e71e6d7
SHA1

024c8465e4c2eee355eaa26436412acdc3c650b4
SHA256

e4a2af62d511687167ad5f264a0035ebee5a694363112ef530c344591261eea7
SHA512

df466382b36085be5f7f441e83592df860b60b37066710f4e21b0a60bc0fdd8c58fc4ec5fc3f33e9c8e7490a00356907512d7be2676aff96ae160da61484f6e9
SSDEEP

1536:t1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7q:v+4MJIkLZJNAQ9Jo9q

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E9656243 = "C:\\Users\\Admin\\AppData\\Roaming\\E9656243\\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/5112-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2324	2228	WerFault.exe	86

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	e4a2af62d511687167ad5f264a0035ebee5a694363112ef530c344591261eea7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2228	winver.exe
2228	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3516	Explorer.EXE
Token: SeCreatePagefilePrivilege	3516	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2228	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5112 wrote to memory of 2228	5112	e4a2af62d511687167ad5f264a0035ebee5a694363112ef530c344591261eea7.exe	86
PID 5112 wrote to memory of 2228	5112	e4a2af62d511687167ad5f264a0035ebee5a694363112ef530c344591261eea7.exe	86
PID 5112 wrote to memory of 2228	5112	e4a2af62d511687167ad5f264a0035ebee5a694363112ef530c344591261eea7.exe	86
PID 5112 wrote to memory of 2228	5112	e4a2af62d511687167ad5f264a0035ebee5a694363112ef530c344591261eea7.exe	86
PID 2228 wrote to memory of 3516	2228	winver.exe	56
PID 2228 wrote to memory of 2396	2228	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2396

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3516
- C:\Users\Admin\AppData\Local\Temp\e4a2af62d511687167ad5f264a0035ebee5a694363112ef530c344591261eea7.exe
  "C:\Users\Admin\AppData\Local\Temp\e4a2af62d511687167ad5f264a0035ebee5a694363112ef530c344591261eea7.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5112
- - 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:2228
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 364
      4⤵
      Program crash
      PID:2324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2228 -ip 2228
1⤵
PID:3016

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/2228-5-0x0000000077282000-0x0000000077283000-memory.dmp

Filesize
4KB

Download
memory/2228-16-0x0000000000A10000-0x0000000000A16000-memory.dmp

Filesize
24KB

Download
memory/2228-13-0x0000000000A10000-0x0000000000A16000-memory.dmp

Filesize
24KB

Download
memory/2228-8-0x00007FFB86270000-0x00007FFB86465000-memory.dmp

Filesize
2.0MB

Download
memory/2396-15-0x0000000000B80000-0x0000000000B86000-memory.dmp

Filesize
24KB

Download
memory/3516-3-0x00000000007A0000-0x00000000007A6000-memory.dmp

Filesize
24KB

Download
memory/3516-6-0x00000000007A0000-0x00000000007A6000-memory.dmp

Filesize
24KB

Download
memory/3516-7-0x00007FFB8630D000-0x00007FFB8630E000-memory.dmp

Filesize
4KB

Download
memory/5112-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/5112-10-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/5112-11-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/5112-2-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/5112-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download