tinba | dc8792160e179e0de58efd4d461d60ac2b7e5f8fb8959e62f60d486d7b387e7f

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-10-2024 23:18

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General

Target

dc8792160e179e0de58efd4d461d60ac2b7e5f8fb8959e62f60d486d7b387e7fN.exe
Size

45KB
MD5

9e3561b01335d9f2e45a5d62e5fbfed0
SHA1

1a0ca509223f68fa6192b7ad6716bcef80b3ee27
SHA256

dc8792160e179e0de58efd4d461d60ac2b7e5f8fb8959e62f60d486d7b387e7f
SHA512

963bb286a30851b2b27c5da4c1fc9a132c8dc5bc0439b81cf80475ff71bfd8957a0641fc53c603966b0eb01f3d369d586d21318309d44652ad4b439cdb746e29
SSDEEP

768:zhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:lsWE9N5dFu53dsniQaB/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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\C0D374A2 = "C:\\Users\\Admin\\AppData\\Roaming\\C0D374A2\\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/2776-0-0x0000000000400000-0x000000000041D000-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	dc8792160e179e0de58efd4d461d60ac2b7e5f8fb8959e62f60d486d7b387e7fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe
3000	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3000	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 3000	2776	dc8792160e179e0de58efd4d461d60ac2b7e5f8fb8959e62f60d486d7b387e7fN.exe	31
PID 2776 wrote to memory of 3000	2776	dc8792160e179e0de58efd4d461d60ac2b7e5f8fb8959e62f60d486d7b387e7fN.exe	31
PID 2776 wrote to memory of 3000	2776	dc8792160e179e0de58efd4d461d60ac2b7e5f8fb8959e62f60d486d7b387e7fN.exe	31
PID 2776 wrote to memory of 3000	2776	dc8792160e179e0de58efd4d461d60ac2b7e5f8fb8959e62f60d486d7b387e7fN.exe	31
PID 2776 wrote to memory of 3000	2776	dc8792160e179e0de58efd4d461d60ac2b7e5f8fb8959e62f60d486d7b387e7fN.exe	31
PID 3000 wrote to memory of 1188	3000	winver.exe	21
PID 3000 wrote to memory of 1116	3000	winver.exe	19
PID 3000 wrote to memory of 1164	3000	winver.exe	20
PID 3000 wrote to memory of 1188	3000	winver.exe	21
PID 3000 wrote to memory of 1640	3000	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:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188
- C:\Users\Admin\AppData\Local\Temp\dc8792160e179e0de58efd4d461d60ac2b7e5f8fb8959e62f60d486d7b387e7fN.exe
  "C:\Users\Admin\AppData\Local\Temp\dc8792160e179e0de58efd4d461d60ac2b7e5f8fb8959e62f60d486d7b387e7fN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2776
- - 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:3000

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1640

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/1116-29-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1116-24-0x0000000077431000-0x0000000077432000-memory.dmp

Filesize
4KB

Download
memory/1164-19-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1164-25-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1188-26-0x0000000002CD0000-0x0000000002CD6000-memory.dmp

Filesize
24KB

Download
memory/1188-10-0x0000000077431000-0x0000000077432000-memory.dmp

Filesize
4KB

Download
memory/1188-2-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1188-21-0x0000000002CD0000-0x0000000002CD6000-memory.dmp

Filesize
24KB

Download
memory/1188-4-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1640-28-0x0000000077431000-0x0000000077432000-memory.dmp

Filesize
4KB

Download
memory/1640-27-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/1640-23-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/2776-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2776-13-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2776-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2776-5-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2776-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3000-8-0x00000000775DF000-0x00000000775E0000-memory.dmp

Filesize
4KB

Download
memory/3000-9-0x00000000775DF000-0x00000000775E1000-memory.dmp

Filesize
8KB

Download
memory/3000-11-0x00000000773E0000-0x0000000077589000-memory.dmp

Filesize
1.7MB

Download
memory/3000-7-0x00000000775E0000-0x00000000775E1000-memory.dmp

Filesize
4KB

Download
memory/3000-6-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download
memory/3000-30-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download