tinba | 4775c82ff7ad36ca2d1608b0ce3a6b81eec502b7515e9eb2f50c09678c253459

Analysis

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

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05-12-2024 19:10

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General

Target

4775c82ff7ad36ca2d1608b0ce3a6b81eec502b7515e9eb2f50c09678c253459.exe
Size

89KB
MD5

90bdfee1dc856db64249858310df8e63
SHA1

2ad45783ccba852974980dc995bd0b7871338190
SHA256

4775c82ff7ad36ca2d1608b0ce3a6b81eec502b7515e9eb2f50c09678c253459
SHA512

5a658a55dd5ab6206e2b3d7434d1b86ccf7b91d8fafeb85bb4c9c7d8aca499f5023c4a2c371c7bdb5fe419772f355dad55751bfa92a4feb4dc0f4b0578c8a5c2
SSDEEP

1536:k1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7a:g+4MJIkLZJNAQ9Jo9a

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\DDF35AC6 = "C:\\Users\\Admin\\AppData\\Roaming\\DDF35AC6\\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/2568-0-0x0000000000400000-0x0000000000418000-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	4775c82ff7ad36ca2d1608b0ce3a6b81eec502b7515e9eb2f50c09678c253459.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe
320	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
320	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 320	2568	4775c82ff7ad36ca2d1608b0ce3a6b81eec502b7515e9eb2f50c09678c253459.exe	31
PID 2568 wrote to memory of 320	2568	4775c82ff7ad36ca2d1608b0ce3a6b81eec502b7515e9eb2f50c09678c253459.exe	31
PID 2568 wrote to memory of 320	2568	4775c82ff7ad36ca2d1608b0ce3a6b81eec502b7515e9eb2f50c09678c253459.exe	31
PID 2568 wrote to memory of 320	2568	4775c82ff7ad36ca2d1608b0ce3a6b81eec502b7515e9eb2f50c09678c253459.exe	31
PID 2568 wrote to memory of 320	2568	4775c82ff7ad36ca2d1608b0ce3a6b81eec502b7515e9eb2f50c09678c253459.exe	31
PID 320 wrote to memory of 1188	320	winver.exe	21
PID 320 wrote to memory of 1048	320	winver.exe	17
PID 320 wrote to memory of 1112	320	winver.exe	19
PID 320 wrote to memory of 1188	320	winver.exe	21
PID 320 wrote to memory of 1772	320	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1048

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188
- C:\Users\Admin\AppData\Local\Temp\4775c82ff7ad36ca2d1608b0ce3a6b81eec502b7515e9eb2f50c09678c253459.exe
  "C:\Users\Admin\AppData\Local\Temp\4775c82ff7ad36ca2d1608b0ce3a6b81eec502b7515e9eb2f50c09678c253459.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2568
- - 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:320

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1772

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/320-8-0x000000007762F000-0x0000000077630000-memory.dmp

Filesize
4KB

Download
memory/320-38-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/320-11-0x0000000077430000-0x00000000775D9000-memory.dmp

Filesize
1.7MB

Download
memory/320-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/320-33-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/320-7-0x0000000077630000-0x0000000077631000-memory.dmp

Filesize
4KB

Download
memory/320-9-0x000000007762F000-0x0000000077631000-memory.dmp

Filesize
8KB

Download
memory/1048-31-0x0000000000110000-0x0000000000116000-memory.dmp

Filesize
24KB

Download
memory/1112-27-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1112-28-0x0000000077481000-0x0000000077482000-memory.dmp

Filesize
4KB

Download
memory/1112-21-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1188-10-0x0000000077481000-0x0000000077482000-memory.dmp

Filesize
4KB

Download
memory/1188-2-0x0000000002D40000-0x0000000002D46000-memory.dmp

Filesize
24KB

Download
memory/1188-4-0x0000000002D40000-0x0000000002D46000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000002D40000-0x0000000002D46000-memory.dmp

Filesize
24KB

Download
memory/1188-23-0x0000000002CF0000-0x0000000002CF6000-memory.dmp

Filesize
24KB

Download
memory/1188-32-0x0000000002CF0000-0x0000000002CF6000-memory.dmp

Filesize
24KB

Download
memory/1772-30-0x0000000077481000-0x0000000077482000-memory.dmp

Filesize
4KB

Download
memory/1772-29-0x0000000001F00000-0x0000000001F06000-memory.dmp

Filesize
24KB

Download
memory/1772-26-0x0000000001F00000-0x0000000001F06000-memory.dmp

Filesize
24KB

Download
memory/2568-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2568-13-0x0000000001E20000-0x0000000002820000-memory.dmp

Filesize
10.0MB

Download
memory/2568-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2568-5-0x0000000001E20000-0x0000000002820000-memory.dmp

Filesize
10.0MB

Download
memory/2568-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download