tinba | 9fdf5398304af714dd0a20f90d550ec4bee350d6ee6fb7b66895a459fa24803d

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-12-2024 01:35

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

9fdf5398304af714dd0a20f90d550ec4bee350d6ee6fb7b66895a459fa24803d.exe
Size

237KB
MD5

68b49d0d95aa8ae6be1daa56b204ac99
SHA1

93939df6aaec6118b8c0f9faa0089072a7b957cd
SHA256

9fdf5398304af714dd0a20f90d550ec4bee350d6ee6fb7b66895a459fa24803d
SHA512

4851b9ae9a61350e0968357bf2b3d0d42ef049e7133dfcf2135b93f4abcd22540578985bad9397b473d3fbbf17704e4ee55fc1ec13b08a1a78d769805a6b2a9b
SSDEEP

6144:jA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYA:jATuTAnKGwUAWVycQqgB

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
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\B41A5867 = "C:\\Users\\Admin\\AppData\\Roaming\\B41A5867\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	9fdf5398304af714dd0a20f90d550ec4bee350d6ee6fb7b66895a459fa24803d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2828	winver.exe
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 2828	1624	9fdf5398304af714dd0a20f90d550ec4bee350d6ee6fb7b66895a459fa24803d.exe	31
PID 1624 wrote to memory of 2828	1624	9fdf5398304af714dd0a20f90d550ec4bee350d6ee6fb7b66895a459fa24803d.exe	31
PID 1624 wrote to memory of 2828	1624	9fdf5398304af714dd0a20f90d550ec4bee350d6ee6fb7b66895a459fa24803d.exe	31
PID 1624 wrote to memory of 2828	1624	9fdf5398304af714dd0a20f90d550ec4bee350d6ee6fb7b66895a459fa24803d.exe	31
PID 1624 wrote to memory of 2828	1624	9fdf5398304af714dd0a20f90d550ec4bee350d6ee6fb7b66895a459fa24803d.exe	31
PID 2828 wrote to memory of 1268	2828	winver.exe	21
PID 2828 wrote to memory of 1128	2828	winver.exe	19
PID 2828 wrote to memory of 1212	2828	winver.exe	20
PID 2828 wrote to memory of 1268	2828	winver.exe	21
PID 2828 wrote to memory of 628	2828	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1212

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1268
- C:\Users\Admin\AppData\Local\Temp\9fdf5398304af714dd0a20f90d550ec4bee350d6ee6fb7b66895a459fa24803d.exe
  "C:\Users\Admin\AppData\Local\Temp\9fdf5398304af714dd0a20f90d550ec4bee350d6ee6fb7b66895a459fa24803d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1624
- - 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:2828

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:628

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 Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/628-20-0x0000000001E00000-0x0000000001E06000-memory.dmp

Filesize
24KB

Download
memory/628-24-0x0000000001E00000-0x0000000001E06000-memory.dmp

Filesize
24KB

Download
memory/1128-11-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1128-26-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1212-14-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1212-27-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1268-6-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/1268-17-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1268-1-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/1268-3-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/1268-25-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1624-8-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2828-23-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2828-4-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2828-29-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download