tinba | 694011bbfec58daf0f90f4fe9888139b21971da18574bdaa27f07ae959d3ed3a

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 11:12

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General

Target

694011bbfec58daf0f90f4fe9888139b21971da18574bdaa27f07ae959d3ed3aN.exe
Size

45KB
MD5

0ef3691bc3f92ad711fbb7b947fc0ee0
SHA1

573d742fe83b029c70f3929118c44cb95ec59e31
SHA256

694011bbfec58daf0f90f4fe9888139b21971da18574bdaa27f07ae959d3ed3a
SHA512

e311748630c1b66d8ffa7a4f95c03fcd73c772e56299243a9117753906238cb0bcd797866b961f46e167bb18dd18dbad4052a757c50621bb5474439db8948921
SSDEEP

768:ehP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:ysWE9N5dFu53dsniQaB/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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\345BEE8D = "C:\\Users\\Admin\\AppData\\Roaming\\345BEE8D\\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/1548-0-0x0000000000400000-0x000000000041D000-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	694011bbfec58daf0f90f4fe9888139b21971da18574bdaa27f07ae959d3ed3aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2984	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 2984	1548	694011bbfec58daf0f90f4fe9888139b21971da18574bdaa27f07ae959d3ed3aN.exe	31
PID 1548 wrote to memory of 2984	1548	694011bbfec58daf0f90f4fe9888139b21971da18574bdaa27f07ae959d3ed3aN.exe	31
PID 1548 wrote to memory of 2984	1548	694011bbfec58daf0f90f4fe9888139b21971da18574bdaa27f07ae959d3ed3aN.exe	31
PID 1548 wrote to memory of 2984	1548	694011bbfec58daf0f90f4fe9888139b21971da18574bdaa27f07ae959d3ed3aN.exe	31
PID 1548 wrote to memory of 2984	1548	694011bbfec58daf0f90f4fe9888139b21971da18574bdaa27f07ae959d3ed3aN.exe	31
PID 2984 wrote to memory of 1128	2984	winver.exe	20
PID 2984 wrote to memory of 1040	2984	winver.exe	17
PID 2984 wrote to memory of 1064	2984	winver.exe	18
PID 2984 wrote to memory of 1128	2984	winver.exe	20
PID 2984 wrote to memory of 2004	2984	winver.exe	23

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1040

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1064

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1128
- C:\Users\Admin\AppData\Local\Temp\694011bbfec58daf0f90f4fe9888139b21971da18574bdaa27f07ae959d3ed3aN.exe
  "C:\Users\Admin\AppData\Local\Temp\694011bbfec58daf0f90f4fe9888139b21971da18574bdaa27f07ae959d3ed3aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1548
- - 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:2984

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2004

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/1040-19-0x0000000077011000-0x0000000077012000-memory.dmp

Filesize
4KB

Download
memory/1040-27-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1040-28-0x0000000077011000-0x0000000077012000-memory.dmp

Filesize
4KB

Download
memory/1064-22-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1064-29-0x0000000077011000-0x0000000077012000-memory.dmp

Filesize
4KB

Download
memory/1064-30-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1128-33-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1128-4-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1128-10-0x0000000077011000-0x0000000077012000-memory.dmp

Filesize
4KB

Download
memory/1128-24-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1128-3-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1128-2-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1548-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1548-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1548-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1548-5-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/1548-13-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2004-26-0x0000000002340000-0x0000000002346000-memory.dmp

Filesize
24KB

Download
memory/2004-32-0x0000000077011000-0x0000000077012000-memory.dmp

Filesize
4KB

Download
memory/2004-31-0x0000000002340000-0x0000000002346000-memory.dmp

Filesize
24KB

Download
memory/2984-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2984-7-0x00000000771C0000-0x00000000771C1000-memory.dmp

Filesize
4KB

Download
memory/2984-8-0x00000000771BF000-0x00000000771C0000-memory.dmp

Filesize
4KB

Download
memory/2984-9-0x00000000771BF000-0x00000000771C1000-memory.dmp

Filesize
8KB

Download
memory/2984-11-0x0000000076FC0000-0x0000000077169000-memory.dmp

Filesize
1.7MB

Download
memory/2984-34-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2984-39-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download