tinba | 82840ed36307e9603b87e6c24aab046ccac1b18ff5c5c21881127365250d9a2f

Analysis

max time kernel
106s
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
07-12-2024 20:28

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General

Target

82840ed36307e9603b87e6c24aab046ccac1b18ff5c5c21881127365250d9a2fN.exe
Size

67KB
MD5

ca600291cbb8b88a5dcfbad998f9d520
SHA1

4887bd985dfd73c48eadbb6e2b9c63e8c3880649
SHA256

82840ed36307e9603b87e6c24aab046ccac1b18ff5c5c21881127365250d9a2f
SHA512

17b845ee6047f1b1f7e8c151dc4f1f05c9a21c463acf846e53b8998dc8ec473b5e493770951f635354f71b0a71cc2fd43feba7edd02435b990a824c379255253
SSDEEP

768:sV0sdE7t4RZeEUOwIK2TG5aPvnnbr368T3u5TfU+NLFaYCCGacz+CZc9JT:sVc8eATK2TQaCGe5bzNL0RNG9JT

Score

10^/10

tinba banker discovery persistence trojan

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\3422E2DE = "C:\\Users\\Admin\\AppData\\Roaming\\3422E2DE\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3336	1648	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	82840ed36307e9603b87e6c24aab046ccac1b18ff5c5c21881127365250d9a2fN.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1648	winver.exe
1648	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1648	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 1648	1960	82840ed36307e9603b87e6c24aab046ccac1b18ff5c5c21881127365250d9a2fN.exe	83
PID 1960 wrote to memory of 1648	1960	82840ed36307e9603b87e6c24aab046ccac1b18ff5c5c21881127365250d9a2fN.exe	83
PID 1960 wrote to memory of 1648	1960	82840ed36307e9603b87e6c24aab046ccac1b18ff5c5c21881127365250d9a2fN.exe	83
PID 1960 wrote to memory of 1648	1960	82840ed36307e9603b87e6c24aab046ccac1b18ff5c5c21881127365250d9a2fN.exe	83
PID 1648 wrote to memory of 3408	1648	winver.exe	55
PID 1648 wrote to memory of 3004	1648	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3004

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3408
- C:\Users\Admin\AppData\Local\Temp\82840ed36307e9603b87e6c24aab046ccac1b18ff5c5c21881127365250d9a2fN.exe
  "C:\Users\Admin\AppData\Local\Temp\82840ed36307e9603b87e6c24aab046ccac1b18ff5c5c21881127365250d9a2fN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1960
- - 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:1648
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1648 -s 352
      4⤵
      Program crash
      PID:3336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1648 -ip 1648
1⤵
PID:2744

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/1648-4-0x00000000779D2000-0x00000000779D3000-memory.dmp

Filesize
4KB

Download
memory/1648-6-0x00007FF820E90000-0x00007FF821085000-memory.dmp

Filesize
2.0MB

Download
memory/1648-10-0x0000000000A20000-0x0000000000A26000-memory.dmp

Filesize
24KB

Download
memory/1648-13-0x0000000000A20000-0x0000000000A26000-memory.dmp

Filesize
24KB

Download
memory/1960-0-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download
memory/1960-3-0x0000000002620000-0x0000000003020000-memory.dmp

Filesize
10.0MB

Download
memory/1960-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1960-8-0x0000000002620000-0x0000000003020000-memory.dmp

Filesize
10.0MB

Download
memory/3004-12-0x0000000000030000-0x0000000000036000-memory.dmp

Filesize
24KB

Download
memory/3408-1-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Filesize
24KB

Download
memory/3408-2-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Filesize
24KB

Download
memory/3408-5-0x00007FF820F2D000-0x00007FF820F2E000-memory.dmp

Filesize
4KB

Download