tinba | 7a8b5ceb51215f4ffde73bb5cafbdbb7b4f3a675b4596d29462105b2f850b3e4

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/11/2024, 00:23

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General

Target

7a8b5ceb51215f4ffde73bb5cafbdbb7b4f3a675b4596d29462105b2f850b3e4N.exe
Size

45KB
MD5

79f2bbbe05c55035dfd1d72098e207b0
SHA1

54fe5642b4377442d27047c998e8a808ffbd2bc5
SHA256

7a8b5ceb51215f4ffde73bb5cafbdbb7b4f3a675b4596d29462105b2f850b3e4
SHA512

18f3a6ede2ec7d0ea454231a645ebe1a12364abf49cd0b34c1602d33019be9c7dd5c17cb51702ecaded832b184ac82eac4688b1a2eb8199b41a23bd7c0c02726
SSDEEP

768:lhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:3sWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\A7879221 = "C:\\Users\\Admin\\AppData\\Roaming\\A7879221\\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/2524-0-0x0000000000400000-0x000000000041D000-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	7a8b5ceb51215f4ffde73bb5cafbdbb7b4f3a675b4596d29462105b2f850b3e4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe
2060	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2060	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2060	2524	7a8b5ceb51215f4ffde73bb5cafbdbb7b4f3a675b4596d29462105b2f850b3e4N.exe	31
PID 2524 wrote to memory of 2060	2524	7a8b5ceb51215f4ffde73bb5cafbdbb7b4f3a675b4596d29462105b2f850b3e4N.exe	31
PID 2524 wrote to memory of 2060	2524	7a8b5ceb51215f4ffde73bb5cafbdbb7b4f3a675b4596d29462105b2f850b3e4N.exe	31
PID 2524 wrote to memory of 2060	2524	7a8b5ceb51215f4ffde73bb5cafbdbb7b4f3a675b4596d29462105b2f850b3e4N.exe	31
PID 2524 wrote to memory of 2060	2524	7a8b5ceb51215f4ffde73bb5cafbdbb7b4f3a675b4596d29462105b2f850b3e4N.exe	31
PID 2060 wrote to memory of 1212	2060	winver.exe	21
PID 2060 wrote to memory of 1104	2060	winver.exe	19
PID 2060 wrote to memory of 1168	2060	winver.exe	20
PID 2060 wrote to memory of 1212	2060	winver.exe	21
PID 2060 wrote to memory of 1260	2060	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\7a8b5ceb51215f4ffde73bb5cafbdbb7b4f3a675b4596d29462105b2f850b3e4N.exe
  "C:\Users\Admin\AppData\Local\Temp\7a8b5ceb51215f4ffde73bb5cafbdbb7b4f3a675b4596d29462105b2f850b3e4N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2524
- - 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:2060

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1260

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/1104-26-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1104-25-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1168-20-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1168-28-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1212-29-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1212-22-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1212-10-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1212-3-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1212-4-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1260-31-0x0000000001BA0000-0x0000000001BA6000-memory.dmp

Filesize
24KB

Download
memory/1260-24-0x0000000001BA0000-0x0000000001BA6000-memory.dmp

Filesize
24KB

Download
memory/1260-30-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/2060-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2060-27-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2060-7-0x0000000077240000-0x0000000077241000-memory.dmp

Filesize
4KB

Download
memory/2060-8-0x000000007723F000-0x0000000077240000-memory.dmp

Filesize
4KB

Download
memory/2060-9-0x000000007723F000-0x0000000077241000-memory.dmp

Filesize
8KB

Download
memory/2060-11-0x0000000077040000-0x00000000771E9000-memory.dmp

Filesize
1.7MB

Download
memory/2060-36-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download
memory/2524-13-0x0000000001DF0000-0x00000000027F0000-memory.dmp

Filesize
10.0MB

Download
memory/2524-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2524-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2524-5-0x0000000001DF0000-0x00000000027F0000-memory.dmp

Filesize
10.0MB

Download
memory/2524-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download