tinba | 5177964873c0aab19143077d3802a35d23a9a1cd4b19e42ca68f2e149ff8175b

Analysis

max time kernel
114s
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 19:03

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General

Target

5177964873c0aab19143077d3802a35d23a9a1cd4b19e42ca68f2e149ff8175b.exe
Size

89KB
MD5

a99b8146e9d77b33dcf8b2ef8805b938
SHA1

074dba9f6ac873aed940bc9ef6c371c42fdff157
SHA256

5177964873c0aab19143077d3802a35d23a9a1cd4b19e42ca68f2e149ff8175b
SHA512

45cc0015c7983379f31f919371da7c16580afc3ebd6f232ffd2bd008b0007c71e5da6b76a07f622ddbcfbb946b49fb08a26c4621ee5dd40f96a5dc3273dcef47
SSDEEP

1536:p1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7K:j+4MJIkLZJNAQ9Jo9K

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2D3741F6 = "C:\\Users\\Admin\\AppData\\Roaming\\2D3741F6\\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/2916-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2304	2980	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	5177964873c0aab19143077d3802a35d23a9a1cd4b19e42ca68f2e149ff8175b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2980	winver.exe
2980	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2980	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 2980	2916	5177964873c0aab19143077d3802a35d23a9a1cd4b19e42ca68f2e149ff8175b.exe	86
PID 2916 wrote to memory of 2980	2916	5177964873c0aab19143077d3802a35d23a9a1cd4b19e42ca68f2e149ff8175b.exe	86
PID 2916 wrote to memory of 2980	2916	5177964873c0aab19143077d3802a35d23a9a1cd4b19e42ca68f2e149ff8175b.exe	86
PID 2916 wrote to memory of 2980	2916	5177964873c0aab19143077d3802a35d23a9a1cd4b19e42ca68f2e149ff8175b.exe	86
PID 2980 wrote to memory of 3452	2980	winver.exe	56
PID 2980 wrote to memory of 2516	2980	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2516

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3452
- C:\Users\Admin\AppData\Local\Temp\5177964873c0aab19143077d3802a35d23a9a1cd4b19e42ca68f2e149ff8175b.exe
  "C:\Users\Admin\AppData\Local\Temp\5177964873c0aab19143077d3802a35d23a9a1cd4b19e42ca68f2e149ff8175b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2916
- - 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:2980
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2980 -s 352
      4⤵
      Program crash
      PID:2304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2980 -ip 2980
1⤵
PID:4776

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/2516-14-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/2916-10-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/2916-4-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/2916-9-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2916-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2916-1-0x00000000009C0000-0x00000000009C1000-memory.dmp

Filesize
4KB

Download
memory/2980-5-0x0000000077DD2000-0x0000000077DD3000-memory.dmp

Filesize
4KB

Download
memory/2980-7-0x00007FFE153B0000-0x00007FFE155A5000-memory.dmp

Filesize
2.0MB

Download
memory/2980-12-0x0000000000E10000-0x0000000000E16000-memory.dmp

Filesize
24KB

Download
memory/2980-15-0x0000000000E10000-0x0000000000E16000-memory.dmp

Filesize
24KB

Download
memory/3452-3-0x0000000000C70000-0x0000000000C76000-memory.dmp

Filesize
24KB

Download
memory/3452-2-0x0000000000C70000-0x0000000000C76000-memory.dmp

Filesize
24KB

Download
memory/3452-6-0x00007FFE1544D000-0x00007FFE1544E000-memory.dmp

Filesize
4KB

Download