tinba | 34318f73bae66c42c8428be5471cfc65d882776c6f4a57ba7f8a91006ceba3b1

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-10-2024 20:25

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General

Target

34318f73bae66c42c8428be5471cfc65d882776c6f4a57ba7f8a91006ceba3b1.exe
Size

88KB
MD5

3cff96bbecd687bf10c9b065f41eea82
SHA1

58d3b68addc0517423e1b0abd04426f3ff0d3f27
SHA256

34318f73bae66c42c8428be5471cfc65d882776c6f4a57ba7f8a91006ceba3b1
SHA512

bab0e08f9fe0d95b5adba24eb2b4495bcbbc81c4c61470c79ff179049e8bb4766359eeacdafec1619e7be8387e23a7c1ad8d8590c94bbc5ed33d5069e4c840c7
SSDEEP

1536:xz44CpRkr9DXhHf3aOd/56RrkQqjh+rmKVsN:xzvokZR/KM/ysjwqWsN

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\7A799155 = "C:\\Users\\Admin\\AppData\\Roaming\\7A799155\\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	34318f73bae66c42c8428be5471cfc65d882776c6f4a57ba7f8a91006ceba3b1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe
2076	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2076	winver.exe
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2076	2384	34318f73bae66c42c8428be5471cfc65d882776c6f4a57ba7f8a91006ceba3b1.exe	31
PID 2384 wrote to memory of 2076	2384	34318f73bae66c42c8428be5471cfc65d882776c6f4a57ba7f8a91006ceba3b1.exe	31
PID 2384 wrote to memory of 2076	2384	34318f73bae66c42c8428be5471cfc65d882776c6f4a57ba7f8a91006ceba3b1.exe	31
PID 2384 wrote to memory of 2076	2384	34318f73bae66c42c8428be5471cfc65d882776c6f4a57ba7f8a91006ceba3b1.exe	31
PID 2384 wrote to memory of 2076	2384	34318f73bae66c42c8428be5471cfc65d882776c6f4a57ba7f8a91006ceba3b1.exe	31
PID 2076 wrote to memory of 1212	2076	winver.exe	21
PID 2076 wrote to memory of 1116	2076	winver.exe	19
PID 2076 wrote to memory of 1176	2076	winver.exe	20
PID 2076 wrote to memory of 1212	2076	winver.exe	21
PID 2076 wrote to memory of 1516	2076	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

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:1212
- C:\Users\Admin\AppData\Local\Temp\34318f73bae66c42c8428be5471cfc65d882776c6f4a57ba7f8a91006ceba3b1.exe
  "C:\Users\Admin\AppData\Local\Temp\34318f73bae66c42c8428be5471cfc65d882776c6f4a57ba7f8a91006ceba3b1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2384
- - 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:2076

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1516

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/1116-25-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1116-26-0x0000000077301000-0x0000000077302000-memory.dmp

Filesize
4KB

Download
memory/1176-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1176-28-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1212-9-0x0000000077301000-0x0000000077302000-memory.dmp

Filesize
4KB

Download
memory/1212-1-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1212-27-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1212-22-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1516-24-0x0000000001FC0000-0x0000000001FC6000-memory.dmp

Filesize
24KB

Download
memory/1516-29-0x0000000001FC0000-0x0000000001FC6000-memory.dmp

Filesize
24KB

Download
memory/1516-30-0x0000000077301000-0x0000000077302000-memory.dmp

Filesize
4KB

Download
memory/2076-10-0x00000000772B0000-0x0000000077459000-memory.dmp

Filesize
1.7MB

Download
memory/2076-5-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2076-6-0x00000000774B0000-0x00000000774B1000-memory.dmp

Filesize
4KB

Download
memory/2076-7-0x00000000774AF000-0x00000000774B0000-memory.dmp

Filesize
4KB

Download
memory/2076-8-0x00000000774AF000-0x00000000774B1000-memory.dmp

Filesize
8KB

Download
memory/2076-31-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2384-12-0x0000000001EB0000-0x00000000028B0000-memory.dmp

Filesize
10.0MB

Download
memory/2384-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2384-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2384-4-0x0000000001EB0000-0x00000000028B0000-memory.dmp

Filesize
10.0MB

Download