tinba | 7480b5adbb2557d52a2383230840edca2c77becba975abff86e1d7697949a21f

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/12/2024, 06:24

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General

Target

7480b5adbb2557d52a2383230840edca2c77becba975abff86e1d7697949a21f.exe
Size

89KB
MD5

046eaa6b8a6e12c99b7624074d7897ae
SHA1

6a3ff0d73e072f5190ef7e3c51779fa0009d5c54
SHA256

7480b5adbb2557d52a2383230840edca2c77becba975abff86e1d7697949a21f
SHA512

ccdb40d14c8c12c149e00b09d17ea1b9afd3b60b1bc67a5d04b462066d240052d44a95d831bd3e863b87d8e4f360ebf86bdf4c93f63b96e1db49259912b62139
SSDEEP

1536:D1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:p+4MJIkLZJNAQ9Jo9e

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\FD8B8388 = "C:\\Users\\Admin\\AppData\\Roaming\\FD8B8388\\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/2448-0-0x0000000000400000-0x0000000000418000-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	7480b5adbb2557d52a2383230840edca2c77becba975abff86e1d7697949a21f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe
316	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
316	winver.exe
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 316	2448	7480b5adbb2557d52a2383230840edca2c77becba975abff86e1d7697949a21f.exe	32
PID 2448 wrote to memory of 316	2448	7480b5adbb2557d52a2383230840edca2c77becba975abff86e1d7697949a21f.exe	32
PID 2448 wrote to memory of 316	2448	7480b5adbb2557d52a2383230840edca2c77becba975abff86e1d7697949a21f.exe	32
PID 2448 wrote to memory of 316	2448	7480b5adbb2557d52a2383230840edca2c77becba975abff86e1d7697949a21f.exe	32
PID 2448 wrote to memory of 316	2448	7480b5adbb2557d52a2383230840edca2c77becba975abff86e1d7697949a21f.exe	32
PID 316 wrote to memory of 1208	316	winver.exe	21
PID 316 wrote to memory of 1096	316	winver.exe	19
PID 316 wrote to memory of 1172	316	winver.exe	20
PID 316 wrote to memory of 1208	316	winver.exe	21
PID 316 wrote to memory of 1424	316	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1096

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1208
- C:\Users\Admin\AppData\Local\Temp\7480b5adbb2557d52a2383230840edca2c77becba975abff86e1d7697949a21f.exe
  "C:\Users\Admin\AppData\Local\Temp\7480b5adbb2557d52a2383230840edca2c77becba975abff86e1d7697949a21f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2448
- - 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:316

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1424

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/316-8-0x000000007741F000-0x0000000077420000-memory.dmp

Filesize
4KB

Download
memory/316-28-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/316-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/316-7-0x0000000077420000-0x0000000077421000-memory.dmp

Filesize
4KB

Download
memory/316-9-0x000000007741F000-0x0000000077421000-memory.dmp

Filesize
8KB

Download
memory/316-11-0x0000000077220000-0x00000000773C9000-memory.dmp

Filesize
1.7MB

Download
memory/1096-35-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/1096-26-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/1172-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1172-29-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1172-27-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1208-2-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1208-3-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1208-34-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1208-10-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1208-25-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1208-4-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1424-24-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1424-33-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1424-31-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1424-30-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1424-32-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1424-36-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1424-40-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/2448-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2448-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2448-13-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2448-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2448-5-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download