tinba | 8c97d6b57a4ea1c57c40b955225a453f9e696cbf5696e8f7bd2044705fd3a5fa

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 17:02

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General

Target

8c97d6b57a4ea1c57c40b955225a453f9e696cbf5696e8f7bd2044705fd3a5faN.exe
Size

45KB
MD5

35662196929d22cdc512d43e606302c0
SHA1

10d16ae2901ddc5454c55efeec1d1737308c50e6
SHA256

8c97d6b57a4ea1c57c40b955225a453f9e696cbf5696e8f7bd2044705fd3a5fa
SHA512

322c301131c9175b6e9b83efc544b00e391f052c1f5e98130d9936e88ff09bd352a4920bafd26f8e46365888482acd0bf6c11987933758a07de442a5baac6b6e
SSDEEP

768:5hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:jsWE9N5dFu53dsniQaB/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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\158931B8 = "C:\\Users\\Admin\\AppData\\Roaming\\158931B8\\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/1800-0-0x0000000000400000-0x000000000041D000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8c97d6b57a4ea1c57c40b955225a453f9e696cbf5696e8f7bd2044705fd3a5faN.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe
2124	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2124	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 2124	1800	8c97d6b57a4ea1c57c40b955225a453f9e696cbf5696e8f7bd2044705fd3a5faN.exe	31
PID 1800 wrote to memory of 2124	1800	8c97d6b57a4ea1c57c40b955225a453f9e696cbf5696e8f7bd2044705fd3a5faN.exe	31
PID 1800 wrote to memory of 2124	1800	8c97d6b57a4ea1c57c40b955225a453f9e696cbf5696e8f7bd2044705fd3a5faN.exe	31
PID 1800 wrote to memory of 2124	1800	8c97d6b57a4ea1c57c40b955225a453f9e696cbf5696e8f7bd2044705fd3a5faN.exe	31
PID 1800 wrote to memory of 2124	1800	8c97d6b57a4ea1c57c40b955225a453f9e696cbf5696e8f7bd2044705fd3a5faN.exe	31
PID 2124 wrote to memory of 1200	2124	winver.exe	21
PID 2124 wrote to memory of 1116	2124	winver.exe	19
PID 2124 wrote to memory of 1172	2124	winver.exe	20
PID 2124 wrote to memory of 1200	2124	winver.exe	21
PID 2124 wrote to memory of 896	2124	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:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\8c97d6b57a4ea1c57c40b955225a453f9e696cbf5696e8f7bd2044705fd3a5faN.exe
  "C:\Users\Admin\AppData\Local\Temp\8c97d6b57a4ea1c57c40b955225a453f9e696cbf5696e8f7bd2044705fd3a5faN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1800
- - 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:2124

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:896

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/896-29-0x0000000077561000-0x0000000077562000-memory.dmp

Filesize
4KB

Download
memory/896-25-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/896-28-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/1116-27-0x0000000077561000-0x0000000077562000-memory.dmp

Filesize
4KB

Download
memory/1116-26-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1116-22-0x0000000077561000-0x0000000077562000-memory.dmp

Filesize
4KB

Download
memory/1172-31-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1172-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1200-30-0x0000000002130000-0x0000000002136000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000077561000-0x0000000077562000-memory.dmp

Filesize
4KB

Download
memory/1200-3-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1200-21-0x0000000002130000-0x0000000002136000-memory.dmp

Filesize
24KB

Download
memory/1800-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1800-13-0x0000000001E00000-0x0000000002800000-memory.dmp

Filesize
10.0MB

Download
memory/1800-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1800-5-0x0000000001E00000-0x0000000002800000-memory.dmp

Filesize
10.0MB

Download
memory/1800-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2124-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2124-7-0x0000000077710000-0x0000000077711000-memory.dmp

Filesize
4KB

Download
memory/2124-8-0x000000007770F000-0x0000000077710000-memory.dmp

Filesize
4KB

Download
memory/2124-9-0x000000007770F000-0x0000000077711000-memory.dmp

Filesize
8KB

Download
memory/2124-11-0x0000000077510000-0x00000000776B9000-memory.dmp

Filesize
1.7MB

Download
memory/2124-32-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2124-37-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download