tinba | 8c065ce4d6d3a93eb8d2521efbb6259620d3c9c9de84d99b7eb05c6291487d38

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 11:37

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General

Target

8c065ce4d6d3a93eb8d2521efbb6259620d3c9c9de84d99b7eb05c6291487d38N.exe
Size

45KB
MD5

5b6b5ac9a1245c22dbdb5b50b9f1a3e0
SHA1

e9167f3bd51b639ec4307bfe20cdb28eeda3365e
SHA256

8c065ce4d6d3a93eb8d2521efbb6259620d3c9c9de84d99b7eb05c6291487d38
SHA512

2f6b1e74dae1be8546ca98cd94b57cf36bb565a5dfb5d4377a78a7b6c9b2733334afdc0336d6715a207441147f186d085459b6ff02e15f1929ef2fefa7103ea5
SSDEEP

768:hhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:bsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\C5616820 = "C:\\Users\\Admin\\AppData\\Roaming\\C5616820\\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/2380-0-0x0000000000400000-0x000000000041D000-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	8c065ce4d6d3a93eb8d2521efbb6259620d3c9c9de84d99b7eb05c6291487d38N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe
2288	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2288	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2288	2380	8c065ce4d6d3a93eb8d2521efbb6259620d3c9c9de84d99b7eb05c6291487d38N.exe	30
PID 2380 wrote to memory of 2288	2380	8c065ce4d6d3a93eb8d2521efbb6259620d3c9c9de84d99b7eb05c6291487d38N.exe	30
PID 2380 wrote to memory of 2288	2380	8c065ce4d6d3a93eb8d2521efbb6259620d3c9c9de84d99b7eb05c6291487d38N.exe	30
PID 2380 wrote to memory of 2288	2380	8c065ce4d6d3a93eb8d2521efbb6259620d3c9c9de84d99b7eb05c6291487d38N.exe	30
PID 2380 wrote to memory of 2288	2380	8c065ce4d6d3a93eb8d2521efbb6259620d3c9c9de84d99b7eb05c6291487d38N.exe	30
PID 2288 wrote to memory of 1360	2288	winver.exe	20
PID 2288 wrote to memory of 1232	2288	winver.exe	18
PID 2288 wrote to memory of 1320	2288	winver.exe	19
PID 2288 wrote to memory of 1360	2288	winver.exe	20
PID 2288 wrote to memory of 928	2288	winver.exe	22

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1232

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1320

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1360
- C:\Users\Admin\AppData\Local\Temp\8c065ce4d6d3a93eb8d2521efbb6259620d3c9c9de84d99b7eb05c6291487d38N.exe
  "C:\Users\Admin\AppData\Local\Temp\8c065ce4d6d3a93eb8d2521efbb6259620d3c9c9de84d99b7eb05c6291487d38N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2380
- - 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:2288

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:928

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/928-24-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/928-32-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/928-31-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/1232-25-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1232-26-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/1320-28-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1320-36-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1320-30-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/1320-20-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1320-29-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/1360-4-0x00000000026B0000-0x00000000026B6000-memory.dmp

Filesize
24KB

Download
memory/1360-27-0x0000000001D80000-0x0000000001D86000-memory.dmp

Filesize
24KB

Download
memory/1360-10-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/1360-22-0x0000000001D80000-0x0000000001D86000-memory.dmp

Filesize
24KB

Download
memory/1360-2-0x00000000026B0000-0x00000000026B6000-memory.dmp

Filesize
24KB

Download
memory/1360-3-0x00000000026B0000-0x00000000026B6000-memory.dmp

Filesize
24KB

Download
memory/2288-7-0x00000000777C0000-0x00000000777C1000-memory.dmp

Filesize
4KB

Download
memory/2288-11-0x00000000775C0000-0x0000000077769000-memory.dmp

Filesize
1.7MB

Download
memory/2288-8-0x00000000777BF000-0x00000000777C0000-memory.dmp

Filesize
4KB

Download
memory/2288-9-0x00000000777BF000-0x00000000777C1000-memory.dmp

Filesize
8KB

Download
memory/2288-6-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2288-33-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2380-13-0x0000000001C40000-0x0000000002640000-memory.dmp

Filesize
10.0MB

Download
memory/2380-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2380-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2380-5-0x0000000001C40000-0x0000000002640000-memory.dmp

Filesize
10.0MB

Download
memory/2380-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download