tinba | 87af58e33ceba01dc9fb23d3a364aa1a560fd823710ed4ba9f1dd0459f9280f3

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 21:52

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General

Target

87af58e33ceba01dc9fb23d3a364aa1a560fd823710ed4ba9f1dd0459f9280f3N.exe
Size

45KB
MD5

553d81b86069edf8e1654bc73dece540
SHA1

0c8928ab423934f04afe8cc9fa0893cffda9188e
SHA256

87af58e33ceba01dc9fb23d3a364aa1a560fd823710ed4ba9f1dd0459f9280f3
SHA512

19335bf3ef511809aa25e67ea3acb2d445ebc2e0988d01b46c7f414209c872fed02c1452b782450341e6c1509f0b4ade4c0d502b75893ae59b8c108c9e33f7b2
SSDEEP

768:DhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2n:VsWE9N5dFu53dsniQaB/xZ14n7zIF+qz

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\7E1F3250 = "C:\\Users\\Admin\\AppData\\Roaming\\7E1F3250\\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/2824-0-0x0000000000400000-0x000000000041D000-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	87af58e33ceba01dc9fb23d3a364aa1a560fd823710ed4ba9f1dd0459f9280f3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2712	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 2712	2824	87af58e33ceba01dc9fb23d3a364aa1a560fd823710ed4ba9f1dd0459f9280f3N.exe	31
PID 2824 wrote to memory of 2712	2824	87af58e33ceba01dc9fb23d3a364aa1a560fd823710ed4ba9f1dd0459f9280f3N.exe	31
PID 2824 wrote to memory of 2712	2824	87af58e33ceba01dc9fb23d3a364aa1a560fd823710ed4ba9f1dd0459f9280f3N.exe	31
PID 2824 wrote to memory of 2712	2824	87af58e33ceba01dc9fb23d3a364aa1a560fd823710ed4ba9f1dd0459f9280f3N.exe	31
PID 2824 wrote to memory of 2712	2824	87af58e33ceba01dc9fb23d3a364aa1a560fd823710ed4ba9f1dd0459f9280f3N.exe	31
PID 2712 wrote to memory of 1100	2712	winver.exe	19
PID 2712 wrote to memory of 1048	2712	winver.exe	17
PID 2712 wrote to memory of 1092	2712	winver.exe	18
PID 2712 wrote to memory of 1100	2712	winver.exe	19
PID 2712 wrote to memory of 1556	2712	winver.exe	25

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

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1092

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1100
- C:\Users\Admin\AppData\Local\Temp\87af58e33ceba01dc9fb23d3a364aa1a560fd823710ed4ba9f1dd0459f9280f3N.exe
  "C:\Users\Admin\AppData\Local\Temp\87af58e33ceba01dc9fb23d3a364aa1a560fd823710ed4ba9f1dd0459f9280f3N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2824
- - 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:2712

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1556

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/1048-24-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1048-25-0x0000000077501000-0x0000000077502000-memory.dmp

Filesize
4KB

Download
memory/1092-19-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1092-26-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1100-3-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1100-2-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1100-21-0x0000000002A50000-0x0000000002A56000-memory.dmp

Filesize
24KB

Download
memory/1100-10-0x0000000077501000-0x0000000077502000-memory.dmp

Filesize
4KB

Download
memory/1100-4-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1100-27-0x0000000002A50000-0x0000000002A56000-memory.dmp

Filesize
24KB

Download
memory/1556-29-0x0000000077501000-0x0000000077502000-memory.dmp

Filesize
4KB

Download
memory/1556-28-0x0000000002300000-0x0000000002306000-memory.dmp

Filesize
24KB

Download
memory/1556-23-0x0000000002300000-0x0000000002306000-memory.dmp

Filesize
24KB

Download
memory/2712-11-0x00000000774B0000-0x0000000077659000-memory.dmp

Filesize
1.7MB

Download
memory/2712-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2712-7-0x00000000776B0000-0x00000000776B1000-memory.dmp

Filesize
4KB

Download
memory/2712-8-0x00000000776AF000-0x00000000776B0000-memory.dmp

Filesize
4KB

Download
memory/2712-9-0x00000000776AF000-0x00000000776B1000-memory.dmp

Filesize
8KB

Download
memory/2712-30-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2824-13-0x0000000001C50000-0x0000000002650000-memory.dmp

Filesize
10.0MB

Download
memory/2824-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2824-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2824-5-0x0000000001C50000-0x0000000002650000-memory.dmp

Filesize
10.0MB

Download
memory/2824-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download