tinba | 8668f4abc377b83537bbb74bdd2baa56d172fac9c418e9d913235e009cbd78b9

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-10-2024 00:11

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8668f4abc377b83537bbb74bdd2baa56d172fac9c418e9d913235e009cbd78b9.exe
Size

45KB
MD5

4ff73651b314b0b27c30d26db97617a2
SHA1

b7fc757cae06234301a67a47c0be7fff5e60df66
SHA256

8668f4abc377b83537bbb74bdd2baa56d172fac9c418e9d913235e009cbd78b9
SHA512

f97b4a2a0d78215cc6e147353ee540789346098a7b2dec7650477c5876b1a86c91f1b0e609d2c541374030b4dd438da8a8c651ff3bbb718c0b7a3acacbb62c1d
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

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\E4DB9C3B = "C:\\Users\\Admin\\AppData\\Roaming\\E4DB9C3B\\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/2288-0-0x0000000000400000-0x000000000041D000-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	8668f4abc377b83537bbb74bdd2baa56d172fac9c418e9d913235e009cbd78b9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe
2568	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2568	winver.exe
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 2568	2288	8668f4abc377b83537bbb74bdd2baa56d172fac9c418e9d913235e009cbd78b9.exe	29
PID 2288 wrote to memory of 2568	2288	8668f4abc377b83537bbb74bdd2baa56d172fac9c418e9d913235e009cbd78b9.exe	29
PID 2288 wrote to memory of 2568	2288	8668f4abc377b83537bbb74bdd2baa56d172fac9c418e9d913235e009cbd78b9.exe	29
PID 2288 wrote to memory of 2568	2288	8668f4abc377b83537bbb74bdd2baa56d172fac9c418e9d913235e009cbd78b9.exe	29
PID 2288 wrote to memory of 2568	2288	8668f4abc377b83537bbb74bdd2baa56d172fac9c418e9d913235e009cbd78b9.exe	29
PID 2568 wrote to memory of 1192	2568	winver.exe	21
PID 2568 wrote to memory of 1112	2568	winver.exe	19
PID 2568 wrote to memory of 1164	2568	winver.exe	20
PID 2568 wrote to memory of 1192	2568	winver.exe	21
PID 2568 wrote to memory of 1188	2568	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1192
- C:\Users\Admin\AppData\Local\Temp\8668f4abc377b83537bbb74bdd2baa56d172fac9c418e9d913235e009cbd78b9.exe
  "C:\Users\Admin\AppData\Local\Temp\8668f4abc377b83537bbb74bdd2baa56d172fac9c418e9d913235e009cbd78b9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2288
- - 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:2568

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1188

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

Loading Replay Monitor...

Downloads

memory/1112-28-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/1112-29-0x00000000779B1000-0x00000000779B2000-memory.dmp

Filesize
4KB

Download
memory/1164-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1164-30-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1188-27-0x00000000779B1000-0x00000000779B2000-memory.dmp

Filesize
4KB

Download
memory/1188-26-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1188-24-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1192-4-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1192-10-0x00000000779B1000-0x00000000779B2000-memory.dmp

Filesize
4KB

Download
memory/1192-25-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1192-22-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/2288-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2288-13-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2288-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2288-5-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2288-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2568-11-0x0000000077960000-0x0000000077B09000-memory.dmp

Filesize
1.7MB

Download
memory/2568-9-0x0000000077B5F000-0x0000000077B61000-memory.dmp

Filesize
8KB

Download
memory/2568-8-0x0000000077B5F000-0x0000000077B60000-memory.dmp

Filesize
4KB

Download
memory/2568-7-0x0000000077B60000-0x0000000077B61000-memory.dmp

Filesize
4KB

Download
memory/2568-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2568-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download