tinba | 18e7a21dce71c0a4e6aa8c0446d12535363ed2b2ef82afc0b3a77be53a9fd61f

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-11-2024 23:09

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General

Target

18e7a21dce71c0a4e6aa8c0446d12535363ed2b2ef82afc0b3a77be53a9fd61fN.exe
Size

49KB
MD5

bdbacdddcfb6d8df09ebceb205671760
SHA1

c44cfa378d0d8d679c5fc29f96d1975b8ce50de0
SHA256

18e7a21dce71c0a4e6aa8c0446d12535363ed2b2ef82afc0b3a77be53a9fd61f
SHA512

398c59f1776bc1dc8a7ad62c3d0e7dc9f903b45d3e36fc5189e286f5bb468f17fe3801c3edd76a5adf4b535168bb7cd8d97d24f84438577d37557cc2db4925ec
SSDEEP

1536:5OBLXNqgzf2v6b6NkXklZlogHGe9eBXW:5YLduv6OqXIlogmjW

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\2D98AD08 = "C:\\Users\\Admin\\AppData\\Roaming\\2D98AD08\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1984-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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	18e7a21dce71c0a4e6aa8c0446d12535363ed2b2ef82afc0b3a77be53a9fd61fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe
2532	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2532	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2532	1984	18e7a21dce71c0a4e6aa8c0446d12535363ed2b2ef82afc0b3a77be53a9fd61fN.exe	32
PID 1984 wrote to memory of 2532	1984	18e7a21dce71c0a4e6aa8c0446d12535363ed2b2ef82afc0b3a77be53a9fd61fN.exe	32
PID 1984 wrote to memory of 2532	1984	18e7a21dce71c0a4e6aa8c0446d12535363ed2b2ef82afc0b3a77be53a9fd61fN.exe	32
PID 1984 wrote to memory of 2532	1984	18e7a21dce71c0a4e6aa8c0446d12535363ed2b2ef82afc0b3a77be53a9fd61fN.exe	32
PID 1984 wrote to memory of 2532	1984	18e7a21dce71c0a4e6aa8c0446d12535363ed2b2ef82afc0b3a77be53a9fd61fN.exe	32
PID 2532 wrote to memory of 1224	2532	winver.exe	21
PID 2532 wrote to memory of 1116	2532	winver.exe	19
PID 2532 wrote to memory of 1168	2532	winver.exe	20
PID 2532 wrote to memory of 1224	2532	winver.exe	21
PID 2532 wrote to memory of 1336	2532	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1224
- C:\Users\Admin\AppData\Local\Temp\18e7a21dce71c0a4e6aa8c0446d12535363ed2b2ef82afc0b3a77be53a9fd61fN.exe
  "C:\Users\Admin\AppData\Local\Temp\18e7a21dce71c0a4e6aa8c0446d12535363ed2b2ef82afc0b3a77be53a9fd61fN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1984
- - 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:2532

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1336

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/1116-25-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/1116-26-0x00000000774E1000-0x00000000774E2000-memory.dmp

Filesize
4KB

Download
memory/1168-20-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1168-28-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1224-3-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download
memory/1224-22-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1224-10-0x00000000774E1000-0x00000000774E2000-memory.dmp

Filesize
4KB

Download
memory/1224-2-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download
memory/1224-4-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download
memory/1224-31-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1336-24-0x0000000001C20000-0x0000000001C26000-memory.dmp

Filesize
24KB

Download
memory/1336-29-0x0000000001C20000-0x0000000001C26000-memory.dmp

Filesize
24KB

Download
memory/1336-30-0x00000000774E1000-0x00000000774E2000-memory.dmp

Filesize
4KB

Download
memory/1984-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1984-13-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/1984-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1984-5-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/1984-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2532-27-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2532-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2532-7-0x0000000077690000-0x0000000077691000-memory.dmp

Filesize
4KB

Download
memory/2532-8-0x000000007768F000-0x0000000077690000-memory.dmp

Filesize
4KB

Download
memory/2532-9-0x000000007768F000-0x0000000077691000-memory.dmp

Filesize
8KB

Download
memory/2532-11-0x0000000077490000-0x0000000077639000-memory.dmp

Filesize
1.7MB

Download
memory/2532-36-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download