tinba | 6dac04098c43ae071ecbac53b840d2a31d8183e065b98169a943f89d4b9023e0

Analysis

max time kernel
119s
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 10:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

6dac04098c43ae071ecbac53b840d2a31d8183e065b98169a943f89d4b9023e0N.exe
Size

89KB
MD5

8fa728d81f351464674673084c27b1e0
SHA1

f48241622ea5dd478c3028a1bbce1c893504c12d
SHA256

6dac04098c43ae071ecbac53b840d2a31d8183e065b98169a943f89d4b9023e0
SHA512

b4ddb0654d98280e14bba8132dd0f94b89e823b81d8b28a3e77b3d45712e3c4678d205a4f201f9eb64c5800d926774f737ac295843bb53623319884f5eda3d63
SSDEEP

1536:D1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7O:p+4MJIkLZJNAQ9Jo9O

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\28829CB3 = "C:\\Users\\Admin\\AppData\\Roaming\\28829CB3\\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/4768-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3680	5100	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6dac04098c43ae071ecbac53b840d2a31d8183e065b98169a943f89d4b9023e0N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5100	winver.exe
5100	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5100	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4768 wrote to memory of 5100	4768	6dac04098c43ae071ecbac53b840d2a31d8183e065b98169a943f89d4b9023e0N.exe	84
PID 4768 wrote to memory of 5100	4768	6dac04098c43ae071ecbac53b840d2a31d8183e065b98169a943f89d4b9023e0N.exe	84
PID 4768 wrote to memory of 5100	4768	6dac04098c43ae071ecbac53b840d2a31d8183e065b98169a943f89d4b9023e0N.exe	84
PID 4768 wrote to memory of 5100	4768	6dac04098c43ae071ecbac53b840d2a31d8183e065b98169a943f89d4b9023e0N.exe	84
PID 5100 wrote to memory of 3520	5100	winver.exe	56
PID 5100 wrote to memory of 2596	5100	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2596

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\6dac04098c43ae071ecbac53b840d2a31d8183e065b98169a943f89d4b9023e0N.exe
  "C:\Users\Admin\AppData\Local\Temp\6dac04098c43ae071ecbac53b840d2a31d8183e065b98169a943f89d4b9023e0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4768
- - 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:5100
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5100 -s 352
      4⤵
      Program crash
      PID:3680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 5100 -ip 5100
1⤵
PID:5000

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/2596-13-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/3520-6-0x00007FFDAB9CD000-0x00007FFDAB9CE000-memory.dmp

Filesize
4KB

Download
memory/3520-2-0x0000000001100000-0x0000000001106000-memory.dmp

Filesize
24KB

Download
memory/3520-3-0x0000000001100000-0x0000000001106000-memory.dmp

Filesize
24KB

Download
memory/4768-9-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/4768-4-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/4768-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4768-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4768-1-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/5100-5-0x00000000774D2000-0x00000000774D3000-memory.dmp

Filesize
4KB

Download
memory/5100-7-0x00007FFDAB930000-0x00007FFDABB25000-memory.dmp

Filesize
2.0MB

Download
memory/5100-11-0x00000000026F0000-0x00000000026F6000-memory.dmp

Filesize
24KB

Download
memory/5100-14-0x00000000026F0000-0x00000000026F6000-memory.dmp

Filesize
24KB

Download