tinba | 5b836a181c4226046c25c49e1d566d1b778362dffd633406664e42285a52b3cb

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
31/07/2024, 22:36

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
5b836a181c4226046c25c49e1d566d1b778362dffd633406664e42285a52b3cb.exe
Size 89KB
Sample240731-2jfxzasake
SHA256 5b836a181c4226046c25c49e1d566d1b778362dffd633406664e42285a52b3cb
MD5 c86fc23df4596803d0d6c6eb5cd8cca7
SHA1 4b31053342920da0aee386bbe7290547479c3620
SHA512 28a3d1346d748056a8da4ed9dedfd31c0d2c5609b94724c2a299d556d85427cbf98bd792da08eb0f0e67bb5e678b33d0bbb30371b4ecc4219a9391b4ff982c5b
SSDEEP 1536:u9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:u9o6fK2XqXQwhnHlqQo8Lvy
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\4A6A85BF = "C:\\Users\\Admin\\AppData\\Roaming\\4A6A85BF\\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	5b836a181c4226046c25c49e1d566d1b778362dffd633406664e42285a52b3cb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe
2192	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2192	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2192	2676	5b836a181c4226046c25c49e1d566d1b778362dffd633406664e42285a52b3cb.exe	30
PID 2676 wrote to memory of 2192	2676	5b836a181c4226046c25c49e1d566d1b778362dffd633406664e42285a52b3cb.exe	30
PID 2676 wrote to memory of 2192	2676	5b836a181c4226046c25c49e1d566d1b778362dffd633406664e42285a52b3cb.exe	30
PID 2676 wrote to memory of 2192	2676	5b836a181c4226046c25c49e1d566d1b778362dffd633406664e42285a52b3cb.exe	30
PID 2676 wrote to memory of 2192	2676	5b836a181c4226046c25c49e1d566d1b778362dffd633406664e42285a52b3cb.exe	30
PID 2192 wrote to memory of 1192	2192	winver.exe	21
PID 2192 wrote to memory of 1108	2192	winver.exe	19
PID 2192 wrote to memory of 1156	2192	winver.exe	20
PID 2192 wrote to memory of 1192	2192	winver.exe	21
PID 2192 wrote to memory of 1292	2192	winver.exe	23
PID 2192 wrote to memory of 2676	2192	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\5b836a181c4226046c25c49e1d566d1b778362dffd633406664e42285a52b3cb.exe
  "C:\Users\Admin\AppData\Local\Temp\5b836a181c4226046c25c49e1d566d1b778362dffd633406664e42285a52b3cb.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2676
- - 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:2192

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1292

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/1108-31-0x0000000077321000-0x0000000077322000-memory.dmp

Download

memory/1108-30-0x0000000000210000-0x0000000000216000-memory.dmp

Download

memory/1108-16-0x0000000000210000-0x0000000000216000-memory.dmp

Download

memory/1156-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Download

memory/1156-32-0x00000000001B0000-0x00000000001B6000-memory.dmp

Download

memory/1192-5-0x00000000025C0000-0x00000000025C6000-memory.dmp

Download

memory/1192-1-0x00000000025C0000-0x00000000025C6000-memory.dmp

Download

memory/1192-12-0x0000000077321000-0x0000000077322000-memory.dmp

Download

memory/1192-2-0x00000000025C0000-0x00000000025C6000-memory.dmp

Download

memory/1192-22-0x0000000002D80000-0x0000000002D86000-memory.dmp

Download

memory/1192-27-0x0000000002D80000-0x0000000002D86000-memory.dmp

Download

memory/1292-29-0x0000000077321000-0x0000000077322000-memory.dmp

Download

memory/1292-24-0x0000000001E20000-0x0000000001E26000-memory.dmp

Download

memory/1292-28-0x0000000001E20000-0x0000000001E26000-memory.dmp

Download

memory/2192-13-0x00000000772D0000-0x0000000077479000-memory.dmp

Download

memory/2192-7-0x0000000000180000-0x0000000000186000-memory.dmp

Download

memory/2192-8-0x00000000774D0000-0x00000000774D1000-memory.dmp

Download

memory/2192-9-0x00000000774CF000-0x00000000774D0000-memory.dmp

Download

memory/2192-10-0x00000000774CF000-0x00000000774D1000-memory.dmp

Download

memory/2192-11-0x00000000001C0000-0x00000000001C1000-memory.dmp

Download

memory/2192-3-0x0000000000180000-0x0000000000186000-memory.dmp

Download

memory/2192-38-0x0000000000180000-0x0000000000186000-memory.dmp

Download

memory/2676-14-0x0000000000400000-0x000000000041D000-memory.dmp

Download

memory/2676-0-0x00000000001D0000-0x00000000001D2000-memory.dmp

Download

memory/2676-6-0x0000000002520000-0x0000000002F20000-memory.dmp

Download