tinba | 9fbf192dbbc35ab334124fdd0f740431858dd6c74b25c1fa2a8acaa86d8a0a77

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 07:01

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General

Target

9fbf192dbbc35ab334124fdd0f740431858dd6c74b25c1fa2a8acaa86d8a0a77N.exe
Size

123KB
MD5

f1f1d687152afc365a1492e0286f0190
SHA1

14f89341b5304bd44be082fb813cea1be3a0ba07
SHA256

9fbf192dbbc35ab334124fdd0f740431858dd6c74b25c1fa2a8acaa86d8a0a77
SHA512

fc81e309d129d1494b771bd8e687b96f5be8689c12dc46c92507be2f017103db12f457c9235146dde2c462bc52bb05bd155cd7519110deefa19c1744c1c422dd
SSDEEP

3072:D8q8/KGHNOMZXJEEOvd44Ts2ktrAN9j3gli0B0vHs7y5uoRz4:Dr8/KCXEEQd4oErAN9cPEZ5

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\99020FBA = "C:\\Users\\Admin\\AppData\\Roaming\\99020FBA\\bin.exe"	winver.exe

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	9fbf192dbbc35ab334124fdd0f740431858dd6c74b25c1fa2a8acaa86d8a0a77N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe
1924	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1924	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 1924	2304	9fbf192dbbc35ab334124fdd0f740431858dd6c74b25c1fa2a8acaa86d8a0a77N.exe	30
PID 2304 wrote to memory of 1924	2304	9fbf192dbbc35ab334124fdd0f740431858dd6c74b25c1fa2a8acaa86d8a0a77N.exe	30
PID 2304 wrote to memory of 1924	2304	9fbf192dbbc35ab334124fdd0f740431858dd6c74b25c1fa2a8acaa86d8a0a77N.exe	30
PID 2304 wrote to memory of 1924	2304	9fbf192dbbc35ab334124fdd0f740431858dd6c74b25c1fa2a8acaa86d8a0a77N.exe	30
PID 2304 wrote to memory of 1924	2304	9fbf192dbbc35ab334124fdd0f740431858dd6c74b25c1fa2a8acaa86d8a0a77N.exe	30
PID 1924 wrote to memory of 1184	1924	winver.exe	21
PID 1924 wrote to memory of 1040	1924	winver.exe	17
PID 1924 wrote to memory of 1104	1924	winver.exe	19
PID 1924 wrote to memory of 1184	1924	winver.exe	21
PID 1924 wrote to memory of 808	1924	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1040

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\9fbf192dbbc35ab334124fdd0f740431858dd6c74b25c1fa2a8acaa86d8a0a77N.exe
  "C:\Users\Admin\AppData\Local\Temp\9fbf192dbbc35ab334124fdd0f740431858dd6c74b25c1fa2a8acaa86d8a0a77N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2304
- - 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:1924

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:808

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/808-25-0x0000000001E10000-0x0000000001E16000-memory.dmp

Filesize
24KB

Download
memory/808-29-0x0000000001E10000-0x0000000001E16000-memory.dmp

Filesize
24KB

Download
memory/808-27-0x0000000077341000-0x0000000077342000-memory.dmp

Filesize
4KB

Download
memory/1040-26-0x0000000077341000-0x0000000077342000-memory.dmp

Filesize
4KB

Download
memory/1040-28-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1104-30-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1104-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1184-9-0x0000000077341000-0x0000000077342000-memory.dmp

Filesize
4KB

Download
memory/1184-3-0x0000000002F00000-0x0000000002F06000-memory.dmp

Filesize
24KB

Download
memory/1184-22-0x0000000002F10000-0x0000000002F16000-memory.dmp

Filesize
24KB

Download
memory/1184-31-0x0000000002F10000-0x0000000002F16000-memory.dmp

Filesize
24KB

Download
memory/1184-1-0x0000000002F00000-0x0000000002F06000-memory.dmp

Filesize
24KB

Download
memory/1184-2-0x0000000002F00000-0x0000000002F06000-memory.dmp

Filesize
24KB

Download
memory/1924-8-0x00000000774EF000-0x00000000774F1000-memory.dmp

Filesize
8KB

Download
memory/1924-10-0x00000000772F0000-0x0000000077499000-memory.dmp

Filesize
1.7MB

Download
memory/1924-5-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/1924-6-0x00000000774F0000-0x00000000774F1000-memory.dmp

Filesize
4KB

Download
memory/1924-7-0x00000000774EF000-0x00000000774F0000-memory.dmp

Filesize
4KB

Download
memory/1924-32-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/1924-33-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2304-12-0x0000000001E80000-0x0000000002880000-memory.dmp

Filesize
10.0MB

Download
memory/2304-11-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2304-0-0x0000000001E60000-0x0000000001E62000-memory.dmp

Filesize
8KB

Download
memory/2304-4-0x0000000001E80000-0x0000000002880000-memory.dmp

Filesize
10.0MB

Download