tinba | 84bdb2c667518e4c0b6b6aa0bab838b77ce01187e527655595216b092540a811

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-11-2024 19:33

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General

Target

84bdb2c667518e4c0b6b6aa0bab838b77ce01187e527655595216b092540a811N.exe
Size

59KB
MD5

6e24cd2d1bcd1b76b1657fb02e3c6ac0
SHA1

345fb45225eb618b6928fa27440b4c4e19384983
SHA256

84bdb2c667518e4c0b6b6aa0bab838b77ce01187e527655595216b092540a811
SHA512

e2687a4a74cde8c10073fd648e4898083e9330f70ca4342c692edc296848b61f06febcce764f9e07e9c4bbfe84439c9f31e5accc68c4e7cbb27cee096a12ba52
SSDEEP

768:n+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:n+mFM2HXKZgiFP7xIksu+XM5O9J1

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\826D0FB0 = "C:\\Users\\Admin\\AppData\\Roaming\\826D0FB0\\bin.exe"	winver.exe

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	84bdb2c667518e4c0b6b6aa0bab838b77ce01187e527655595216b092540a811N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1892	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 1892	1728	84bdb2c667518e4c0b6b6aa0bab838b77ce01187e527655595216b092540a811N.exe	31
PID 1728 wrote to memory of 1892	1728	84bdb2c667518e4c0b6b6aa0bab838b77ce01187e527655595216b092540a811N.exe	31
PID 1728 wrote to memory of 1892	1728	84bdb2c667518e4c0b6b6aa0bab838b77ce01187e527655595216b092540a811N.exe	31
PID 1728 wrote to memory of 1892	1728	84bdb2c667518e4c0b6b6aa0bab838b77ce01187e527655595216b092540a811N.exe	31
PID 1728 wrote to memory of 1892	1728	84bdb2c667518e4c0b6b6aa0bab838b77ce01187e527655595216b092540a811N.exe	31
PID 1892 wrote to memory of 1192	1892	winver.exe	21
PID 1892 wrote to memory of 1052	1892	winver.exe	18
PID 1892 wrote to memory of 1132	1892	winver.exe	19
PID 1892 wrote to memory of 1192	1892	winver.exe	21
PID 1892 wrote to memory of 1612	1892	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1052

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1132

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\84bdb2c667518e4c0b6b6aa0bab838b77ce01187e527655595216b092540a811N.exe
  "C:\Users\Admin\AppData\Local\Temp\84bdb2c667518e4c0b6b6aa0bab838b77ce01187e527655595216b092540a811N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1728
- - 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:1892

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1612

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/1052-27-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1052-28-0x00000000773A1000-0x00000000773A2000-memory.dmp

Filesize
4KB

Download
memory/1052-26-0x00000000773A1000-0x00000000773A2000-memory.dmp

Filesize
4KB

Download
memory/1052-25-0x00000000773A1000-0x00000000773A2000-memory.dmp

Filesize
4KB

Download
memory/1132-20-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1132-31-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1192-32-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1192-9-0x00000000773A1000-0x00000000773A2000-memory.dmp

Filesize
4KB

Download
memory/1192-22-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/1192-1-0x0000000002600000-0x0000000002606000-memory.dmp

Filesize
24KB

Download
memory/1612-29-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1612-30-0x00000000773A1000-0x00000000773A2000-memory.dmp

Filesize
4KB

Download
memory/1612-24-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1728-12-0x0000000001C50000-0x0000000002650000-memory.dmp

Filesize
10.0MB

Download
memory/1728-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1728-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1728-4-0x0000000001C50000-0x0000000002650000-memory.dmp

Filesize
10.0MB

Download
memory/1892-5-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1892-6-0x0000000077550000-0x0000000077551000-memory.dmp

Filesize
4KB

Download
memory/1892-7-0x000000007754F000-0x0000000077550000-memory.dmp

Filesize
4KB

Download
memory/1892-8-0x000000007754F000-0x0000000077551000-memory.dmp

Filesize
8KB

Download
memory/1892-10-0x0000000077350000-0x00000000774F9000-memory.dmp

Filesize
1.7MB

Download
memory/1892-33-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1892-38-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download