tinba | 61544b0a0e198513bdd41e823100c3925adf028b2b549ccfb9054f9893ca2f64

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-01-2025 11:17

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General

Target

61544b0a0e198513bdd41e823100c3925adf028b2b549ccfb9054f9893ca2f64.exe
Size

45KB
MD5

b2289f14970544b87384971dc23aa849
SHA1

ff550b78841fec02c6c4b576938abeac0a50e683
SHA256

61544b0a0e198513bdd41e823100c3925adf028b2b549ccfb9054f9893ca2f64
SHA512

9515195e41a11763fef575b1c2d440708d703354ba98bc24f66b51bd7a633b20dded74d4ae585950792ed5310f5c4bfa2e81e7126ba2517de352dcda64f3dc65
SSDEEP

768:yhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2X:+sWE9N5dFu53dsniQaB/xZ14n7zIF+qD

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\3F44EAB3 = "C:\\Users\\Admin\\AppData\\Roaming\\3F44EAB3\\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/2700-0-0x0000000000400000-0x000000000041D000-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	61544b0a0e198513bdd41e823100c3925adf028b2b549ccfb9054f9893ca2f64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2928	winver.exe
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 2928	2700	61544b0a0e198513bdd41e823100c3925adf028b2b549ccfb9054f9893ca2f64.exe	32
PID 2700 wrote to memory of 2928	2700	61544b0a0e198513bdd41e823100c3925adf028b2b549ccfb9054f9893ca2f64.exe	32
PID 2700 wrote to memory of 2928	2700	61544b0a0e198513bdd41e823100c3925adf028b2b549ccfb9054f9893ca2f64.exe	32
PID 2700 wrote to memory of 2928	2700	61544b0a0e198513bdd41e823100c3925adf028b2b549ccfb9054f9893ca2f64.exe	32
PID 2700 wrote to memory of 2928	2700	61544b0a0e198513bdd41e823100c3925adf028b2b549ccfb9054f9893ca2f64.exe	32
PID 2928 wrote to memory of 1188	2928	winver.exe	21
PID 2928 wrote to memory of 1068	2928	winver.exe	18
PID 2928 wrote to memory of 1100	2928	winver.exe	19
PID 2928 wrote to memory of 1188	2928	winver.exe	21
PID 2928 wrote to memory of 1200	2928	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1068

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1188
- C:\Users\Admin\AppData\Local\Temp\61544b0a0e198513bdd41e823100c3925adf028b2b549ccfb9054f9893ca2f64.exe
  "C:\Users\Admin\AppData\Local\Temp\61544b0a0e198513bdd41e823100c3925adf028b2b549ccfb9054f9893ca2f64.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2700
- - 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:2928

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1200

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/1068-27-0x0000000077B61000-0x0000000077B62000-memory.dmp

Filesize
4KB

Download
memory/1068-26-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1100-30-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1100-21-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1188-4-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1188-2-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1188-10-0x0000000077B61000-0x0000000077B62000-memory.dmp

Filesize
4KB

Download
memory/1188-31-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1188-23-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1200-29-0x0000000077B61000-0x0000000077B62000-memory.dmp

Filesize
4KB

Download
memory/1200-28-0x0000000001D70000-0x0000000001D76000-memory.dmp

Filesize
24KB

Download
memory/1200-25-0x0000000001D70000-0x0000000001D76000-memory.dmp

Filesize
24KB

Download
memory/2700-13-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2700-14-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/2700-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2700-5-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/2700-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2928-11-0x0000000077B10000-0x0000000077CB9000-memory.dmp

Filesize
1.7MB

Download
memory/2928-9-0x0000000077D0F000-0x0000000077D11000-memory.dmp

Filesize
8KB

Download
memory/2928-8-0x0000000077D0F000-0x0000000077D10000-memory.dmp

Filesize
4KB

Download
memory/2928-7-0x0000000077D10000-0x0000000077D11000-memory.dmp

Filesize
4KB

Download
memory/2928-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2928-32-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2928-37-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download