tinba | ef331d0b67c485a53c4df69f663beff427f0db1a80d8d8541ba8c2603c1da437

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
25-11-2024 11:48

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General

Target

ef331d0b67c485a53c4df69f663beff427f0db1a80d8d8541ba8c2603c1da437N.exe
Size

45KB
MD5

89a32eca653171c56c33a5a085bcbc70
SHA1

04c44842d6585f8e488f55e2c3b8af305f0be808
SHA256

ef331d0b67c485a53c4df69f663beff427f0db1a80d8d8541ba8c2603c1da437
SHA512

da05fed8837374288b154c03c4d78e9123f34323ccd168838d766e00281050853aa358b4b2b561927fc72c4f11beb27285e87c71de406d30da4cc1c01e03fe57
SSDEEP

768:ohP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:UsWE9N5dFu53dsniQaB/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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\581C480B = "C:\\Users\\Admin\\AppData\\Roaming\\581C480B\\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/2180-0-0x0000000000400000-0x000000000041D000-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	ef331d0b67c485a53c4df69f663beff427f0db1a80d8d8541ba8c2603c1da437N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe
1372	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1372	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 1372	2180	ef331d0b67c485a53c4df69f663beff427f0db1a80d8d8541ba8c2603c1da437N.exe	31
PID 2180 wrote to memory of 1372	2180	ef331d0b67c485a53c4df69f663beff427f0db1a80d8d8541ba8c2603c1da437N.exe	31
PID 2180 wrote to memory of 1372	2180	ef331d0b67c485a53c4df69f663beff427f0db1a80d8d8541ba8c2603c1da437N.exe	31
PID 2180 wrote to memory of 1372	2180	ef331d0b67c485a53c4df69f663beff427f0db1a80d8d8541ba8c2603c1da437N.exe	31
PID 2180 wrote to memory of 1372	2180	ef331d0b67c485a53c4df69f663beff427f0db1a80d8d8541ba8c2603c1da437N.exe	31
PID 1372 wrote to memory of 1216	1372	winver.exe	21
PID 1372 wrote to memory of 1124	1372	winver.exe	19
PID 1372 wrote to memory of 1192	1372	winver.exe	20
PID 1372 wrote to memory of 1216	1372	winver.exe	21
PID 1372 wrote to memory of 1664	1372	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1192

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\ef331d0b67c485a53c4df69f663beff427f0db1a80d8d8541ba8c2603c1da437N.exe
  "C:\Users\Admin\AppData\Local\Temp\ef331d0b67c485a53c4df69f663beff427f0db1a80d8d8541ba8c2603c1da437N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2180
- - 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:1372

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1664

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/1124-24-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1124-30-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1124-29-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1192-34-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1192-21-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1216-4-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/1216-3-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/1216-2-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/1216-31-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1216-23-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1216-10-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1372-9-0x00000000779AF000-0x00000000779B1000-memory.dmp

Filesize
8KB

Download
memory/1372-7-0x00000000779B0000-0x00000000779B1000-memory.dmp

Filesize
4KB

Download
memory/1372-40-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1372-35-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1372-8-0x00000000779AF000-0x00000000779B0000-memory.dmp

Filesize
4KB

Download
memory/1372-11-0x00000000777B0000-0x0000000077959000-memory.dmp

Filesize
1.7MB

Download
memory/1372-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1664-28-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1664-32-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/1664-33-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1664-27-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/2180-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2180-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2180-5-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/2180-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2180-13-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download