tinba | 4775c82ff7ad36ca2d1608b0ce3a6b81eec502b7515e9eb2f50c09678c253459

Analysis

max time kernel
112s
max time network
95s
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 19:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4775c82ff7ad36ca2d1608b0ce3a6b81eec502b7515e9eb2f50c09678c253459.exe
Size

89KB
MD5

90bdfee1dc856db64249858310df8e63
SHA1

2ad45783ccba852974980dc995bd0b7871338190
SHA256

4775c82ff7ad36ca2d1608b0ce3a6b81eec502b7515e9eb2f50c09678c253459
SHA512

5a658a55dd5ab6206e2b3d7434d1b86ccf7b91d8fafeb85bb4c9c7d8aca499f5023c4a2c371c7bdb5fe419772f355dad55751bfa92a4feb4dc0f4b0578c8a5c2
SSDEEP

1536:k1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7a:g+4MJIkLZJNAQ9Jo9a

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\8BE033BB = "C:\\Users\\Admin\\AppData\\Roaming\\8BE033BB\\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/1092-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3976	1232	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	4775c82ff7ad36ca2d1608b0ce3a6b81eec502b7515e9eb2f50c09678c253459.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1232	winver.exe
1232	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3368	Explorer.EXE
Token: SeCreatePagefilePrivilege	3368	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1232	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1092 wrote to memory of 1232	1092	4775c82ff7ad36ca2d1608b0ce3a6b81eec502b7515e9eb2f50c09678c253459.exe	84
PID 1092 wrote to memory of 1232	1092	4775c82ff7ad36ca2d1608b0ce3a6b81eec502b7515e9eb2f50c09678c253459.exe	84
PID 1092 wrote to memory of 1232	1092	4775c82ff7ad36ca2d1608b0ce3a6b81eec502b7515e9eb2f50c09678c253459.exe	84
PID 1092 wrote to memory of 1232	1092	4775c82ff7ad36ca2d1608b0ce3a6b81eec502b7515e9eb2f50c09678c253459.exe	84
PID 1232 wrote to memory of 3368	1232	winver.exe	56
PID 1232 wrote to memory of 2548	1232	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2548

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3368
- C:\Users\Admin\AppData\Local\Temp\4775c82ff7ad36ca2d1608b0ce3a6b81eec502b7515e9eb2f50c09678c253459.exe
  "C:\Users\Admin\AppData\Local\Temp\4775c82ff7ad36ca2d1608b0ce3a6b81eec502b7515e9eb2f50c09678c253459.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1092
- - 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:1232
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1232 -s 352
      4⤵
      Program crash
      PID:3976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1232 -ip 1232
1⤵
PID:1592

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

Loading Replay Monitor...

Downloads

memory/1092-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1092-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/1092-10-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/1092-9-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1092-4-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/1232-5-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/1232-6-0x0000000077042000-0x0000000077043000-memory.dmp

Filesize
4KB

Download
memory/1232-8-0x00007FFB5F290000-0x00007FFB5F485000-memory.dmp

Filesize
2.0MB

Download
memory/1232-15-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/2548-14-0x0000000000F80000-0x0000000000F86000-memory.dmp

Filesize
24KB

Download
memory/3368-7-0x00007FFB5F32D000-0x00007FFB5F32E000-memory.dmp

Filesize
4KB

Download
memory/3368-2-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/3368-3-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download