tinba | 7679bd1f03f560ce252ba9ef519dd4b3cb1ab2203907f5c445d1fc6ceda21464

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
26-12-2024 16:17

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General

Target

7679bd1f03f560ce252ba9ef519dd4b3cb1ab2203907f5c445d1fc6ceda21464N.exe
Size

89KB
MD5

e089ea4253942f5316cb87f9dcc49fb0
SHA1

598c6816ec842790c07c3de219c025db782029d1
SHA256

7679bd1f03f560ce252ba9ef519dd4b3cb1ab2203907f5c445d1fc6ceda21464
SHA512

fb32f67118b2bf966c13eb5bd4e955d72abec12c4af34dff525f35c691c425fc6e597c117696504be315fd788a0b1900d763e6f7bfabdf0d49b6b30e613bc66e
SSDEEP

1536:t1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox76:v+4MJIkLZJNAQ9Jo96

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\883BE2B0 = "C:\\Users\\Admin\\AppData\\Roaming\\883BE2B0\\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/2688-0-0x0000000000400000-0x0000000000418000-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	7679bd1f03f560ce252ba9ef519dd4b3cb1ab2203907f5c445d1fc6ceda21464N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2780	winver.exe
1236	Explorer.EXE
1236	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1236	Explorer.EXE
1236	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2780	2688	7679bd1f03f560ce252ba9ef519dd4b3cb1ab2203907f5c445d1fc6ceda21464N.exe	31
PID 2688 wrote to memory of 2780	2688	7679bd1f03f560ce252ba9ef519dd4b3cb1ab2203907f5c445d1fc6ceda21464N.exe	31
PID 2688 wrote to memory of 2780	2688	7679bd1f03f560ce252ba9ef519dd4b3cb1ab2203907f5c445d1fc6ceda21464N.exe	31
PID 2688 wrote to memory of 2780	2688	7679bd1f03f560ce252ba9ef519dd4b3cb1ab2203907f5c445d1fc6ceda21464N.exe	31
PID 2688 wrote to memory of 2780	2688	7679bd1f03f560ce252ba9ef519dd4b3cb1ab2203907f5c445d1fc6ceda21464N.exe	31
PID 2780 wrote to memory of 1236	2780	winver.exe	21
PID 2780 wrote to memory of 1112	2780	winver.exe	19
PID 2780 wrote to memory of 1176	2780	winver.exe	20
PID 2780 wrote to memory of 1236	2780	winver.exe	21
PID 2780 wrote to memory of 2040	2780	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:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1236
- C:\Users\Admin\AppData\Local\Temp\7679bd1f03f560ce252ba9ef519dd4b3cb1ab2203907f5c445d1fc6ceda21464N.exe
  "C:\Users\Admin\AppData\Local\Temp\7679bd1f03f560ce252ba9ef519dd4b3cb1ab2203907f5c445d1fc6ceda21464N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2688
- - 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:2780

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2040

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/1112-25-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1112-26-0x0000000077931000-0x0000000077932000-memory.dmp

Filesize
4KB

Download
memory/1176-20-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1176-28-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1236-2-0x0000000002B30000-0x0000000002B36000-memory.dmp

Filesize
24KB

Download
memory/1236-10-0x0000000077931000-0x0000000077932000-memory.dmp

Filesize
4KB

Download
memory/1236-4-0x0000000002B30000-0x0000000002B36000-memory.dmp

Filesize
24KB

Download
memory/1236-27-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1236-3-0x0000000002B30000-0x0000000002B36000-memory.dmp

Filesize
24KB

Download
memory/1236-22-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/2040-31-0x0000000077931000-0x0000000077932000-memory.dmp

Filesize
4KB

Download
memory/2040-30-0x0000000001E30000-0x0000000001E36000-memory.dmp

Filesize
24KB

Download
memory/2040-24-0x0000000001E30000-0x0000000001E36000-memory.dmp

Filesize
24KB

Download
memory/2040-34-0x0000000001E30000-0x0000000001E36000-memory.dmp

Filesize
24KB

Download
memory/2688-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2688-13-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/2688-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2688-5-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/2688-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2780-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2780-7-0x0000000077AE0000-0x0000000077AE1000-memory.dmp

Filesize
4KB

Download
memory/2780-8-0x0000000077ADF000-0x0000000077AE0000-memory.dmp

Filesize
4KB

Download
memory/2780-9-0x0000000077ADF000-0x0000000077AE1000-memory.dmp

Filesize
8KB

Download
memory/2780-29-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2780-11-0x00000000778E0000-0x0000000077A89000-memory.dmp

Filesize
1.7MB

Download