tinba | 488730e164da11093ee155fe0abfaa221564fcd8a8b8ade07ff4151b963c04e4

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
31/08/2024, 01:21

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General

Target

dc8c35f9f4d44e4a7ef7ae445b7f016e5d208894deeed047dcaa5e7fc4faa401.exe
Size

89KB
MD5

5a97d7b03b718441c0ffe79f9b03175b
SHA1

746621849c1d0341a2ad5dfc015167a576814e23
SHA256

dc8c35f9f4d44e4a7ef7ae445b7f016e5d208894deeed047dcaa5e7fc4faa401
SHA512

d598cbd72d9d23a7c46d5dd693922e51dc690b593b233d3bf277206e1e028a52527574a9355e64e50fff126f4e98364de0c79da1d68c80786fa7512182f64849
SSDEEP

1536:Hr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:L+4MJIkLZJNAQ9Jo9e

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

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2556-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

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-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\F23B51E9 = "C:\\Users\\Admin\\AppData\\Roaming\\F23B51E9\\bin.exe"	winver.exe

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	dc8c35f9f4d44e4a7ef7ae445b7f016e5d208894deeed047dcaa5e7fc4faa401.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe
2096	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2096	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 2096	2556	dc8c35f9f4d44e4a7ef7ae445b7f016e5d208894deeed047dcaa5e7fc4faa401.exe	31
PID 2556 wrote to memory of 2096	2556	dc8c35f9f4d44e4a7ef7ae445b7f016e5d208894deeed047dcaa5e7fc4faa401.exe	31
PID 2556 wrote to memory of 2096	2556	dc8c35f9f4d44e4a7ef7ae445b7f016e5d208894deeed047dcaa5e7fc4faa401.exe	31
PID 2556 wrote to memory of 2096	2556	dc8c35f9f4d44e4a7ef7ae445b7f016e5d208894deeed047dcaa5e7fc4faa401.exe	31
PID 2556 wrote to memory of 2096	2556	dc8c35f9f4d44e4a7ef7ae445b7f016e5d208894deeed047dcaa5e7fc4faa401.exe	31
PID 2096 wrote to memory of 1188	2096	winver.exe	21
PID 2096 wrote to memory of 1056	2096	winver.exe	18
PID 2096 wrote to memory of 1132	2096	winver.exe	19
PID 2096 wrote to memory of 1188	2096	winver.exe	21
PID 2096 wrote to memory of 1948	2096	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1056

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1132

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188
- C:\Users\Admin\AppData\Local\Temp\dc8c35f9f4d44e4a7ef7ae445b7f016e5d208894deeed047dcaa5e7fc4faa401.exe
  "C:\Users\Admin\AppData\Local\Temp\dc8c35f9f4d44e4a7ef7ae445b7f016e5d208894deeed047dcaa5e7fc4faa401.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2556
- - 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:2096

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1948

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/1056-33-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/1132-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1132-25-0x0000000077521000-0x0000000077522000-memory.dmp

Filesize
4KB

Download
memory/1132-26-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1132-27-0x0000000077521000-0x0000000077522000-memory.dmp

Filesize
4KB

Download
memory/1188-30-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/1188-4-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1188-2-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1188-22-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/1188-10-0x0000000077521000-0x0000000077522000-memory.dmp

Filesize
4KB

Download
memory/1948-31-0x0000000077521000-0x0000000077522000-memory.dmp

Filesize
4KB

Download
memory/1948-29-0x0000000077521000-0x0000000077522000-memory.dmp

Filesize
4KB

Download
memory/1948-36-0x0000000001E50000-0x0000000001E56000-memory.dmp

Filesize
24KB

Download
memory/1948-24-0x0000000001E50000-0x0000000001E56000-memory.dmp

Filesize
24KB

Download
memory/1948-28-0x0000000001E50000-0x0000000001E56000-memory.dmp

Filesize
24KB

Download
memory/2096-9-0x00000000776CF000-0x00000000776D1000-memory.dmp

Filesize
8KB

Download
memory/2096-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2096-7-0x00000000776D0000-0x00000000776D1000-memory.dmp

Filesize
4KB

Download
memory/2096-8-0x00000000776CF000-0x00000000776D0000-memory.dmp

Filesize
4KB

Download
memory/2096-11-0x00000000774D0000-0x0000000077679000-memory.dmp

Filesize
1.7MB

Download
memory/2096-32-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2096-38-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2556-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2556-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2556-5-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2556-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2556-13-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download