tinba | 0830b0682fda919d221d8ee1e94a502520eaa857d6228cef645595141bcafad0

Analysis

max time kernel
108s
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
05-12-2024 01:58

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General

Target

0830b0682fda919d221d8ee1e94a502520eaa857d6228cef645595141bcafad0.exe
Size

89KB
MD5

ecda65e8cbac28b599492b88b6225ba2
SHA1

034bf652609d125197cab71d2c67d903d81f2c4b
SHA256

0830b0682fda919d221d8ee1e94a502520eaa857d6228cef645595141bcafad0
SHA512

7f5fbae4a5f5ddc4de09c96e4cc2bf21a7e78f62ad5b82fb12100d4d522ab8f6496b254d355ad577b1d732c8aa8b066373c94785d691aff7a609dbf723f05e4d
SSDEEP

1536:X1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7a:F+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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\57DE854F = "C:\\Users\\Admin\\AppData\\Roaming\\57DE854F\\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/4648-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4496	1144	WerFault.exe	83

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	0830b0682fda919d221d8ee1e94a502520eaa857d6228cef645595141bcafad0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1144	winver.exe
1144	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
1144	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4648 wrote to memory of 1144	4648	0830b0682fda919d221d8ee1e94a502520eaa857d6228cef645595141bcafad0.exe	83
PID 4648 wrote to memory of 1144	4648	0830b0682fda919d221d8ee1e94a502520eaa857d6228cef645595141bcafad0.exe	83
PID 4648 wrote to memory of 1144	4648	0830b0682fda919d221d8ee1e94a502520eaa857d6228cef645595141bcafad0.exe	83
PID 4648 wrote to memory of 1144	4648	0830b0682fda919d221d8ee1e94a502520eaa857d6228cef645595141bcafad0.exe	83
PID 1144 wrote to memory of 3440	1144	winver.exe	56
PID 1144 wrote to memory of 680	1144	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:680

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3440
- C:\Users\Admin\AppData\Local\Temp\0830b0682fda919d221d8ee1e94a502520eaa857d6228cef645595141bcafad0.exe
  "C:\Users\Admin\AppData\Local\Temp\0830b0682fda919d221d8ee1e94a502520eaa857d6228cef645595141bcafad0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4648
- - 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:1144
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1144 -s 352
      4⤵
      Program crash
      PID:4496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1144 -ip 1144
1⤵
PID:1244

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/680-13-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1144-7-0x00007FFDFCD90000-0x00007FFDFCF85000-memory.dmp

Filesize
2.0MB

Download
memory/1144-14-0x00000000007A0000-0x00000000007A6000-memory.dmp

Filesize
24KB

Download
memory/1144-11-0x00000000007A0000-0x00000000007A6000-memory.dmp

Filesize
24KB

Download
memory/3440-5-0x00007FFDFCE2D000-0x00007FFDFCE2E000-memory.dmp

Filesize
4KB

Download
memory/3440-6-0x00007FFDFCE2C000-0x00007FFDFCE2D000-memory.dmp

Filesize
4KB

Download
memory/3440-2-0x0000000000FB0000-0x0000000000FB6000-memory.dmp

Filesize
24KB

Download
memory/3440-3-0x0000000000FB0000-0x0000000000FB6000-memory.dmp

Filesize
24KB

Download
memory/4648-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4648-4-0x0000000002080000-0x0000000002A80000-memory.dmp

Filesize
10.0MB

Download
memory/4648-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4648-9-0x0000000002080000-0x0000000002A80000-memory.dmp

Filesize
10.0MB

Download
memory/4648-1-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download