tinba | 7ebdb56aa171dc73f4d79e80ec9dbb9d69abde3f2eaebcc32e77a969f8d75b7d

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 02:47

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General

Target

7ebdb56aa171dc73f4d79e80ec9dbb9d69abde3f2eaebcc32e77a969f8d75b7d.exe
Size

34KB
MD5

d196696f808941349f8f497c8bd270c8
SHA1

46f71b080886008d86626586fc476852e5e8c8f0
SHA256

7ebdb56aa171dc73f4d79e80ec9dbb9d69abde3f2eaebcc32e77a969f8d75b7d
SHA512

a9b4c20aa16bc934d83362b18d259207aa00de438004d62dd99d12d1d04d5738b17566fa578d95a43fab2a2716f2c634aab0c39ab874280f0a8e2d8920eeeffe
SSDEEP

768:Bp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9Jm:BpYoX58z1uirL98xMWnT0OQ9Jm

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\D67545A2 = "C:\\Users\\Admin\\AppData\\Roaming\\D67545A2\\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/2772-0-0x0000000000400000-0x0000000000417000-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	7ebdb56aa171dc73f4d79e80ec9dbb9d69abde3f2eaebcc32e77a969f8d75b7d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe
2900	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2900	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 2900	2772	7ebdb56aa171dc73f4d79e80ec9dbb9d69abde3f2eaebcc32e77a969f8d75b7d.exe	31
PID 2772 wrote to memory of 2900	2772	7ebdb56aa171dc73f4d79e80ec9dbb9d69abde3f2eaebcc32e77a969f8d75b7d.exe	31
PID 2772 wrote to memory of 2900	2772	7ebdb56aa171dc73f4d79e80ec9dbb9d69abde3f2eaebcc32e77a969f8d75b7d.exe	31
PID 2772 wrote to memory of 2900	2772	7ebdb56aa171dc73f4d79e80ec9dbb9d69abde3f2eaebcc32e77a969f8d75b7d.exe	31
PID 2772 wrote to memory of 2900	2772	7ebdb56aa171dc73f4d79e80ec9dbb9d69abde3f2eaebcc32e77a969f8d75b7d.exe	31
PID 2900 wrote to memory of 1280	2900	winver.exe	21
PID 2900 wrote to memory of 1132	2900	winver.exe	19
PID 2900 wrote to memory of 1232	2900	winver.exe	20
PID 2900 wrote to memory of 1280	2900	winver.exe	21
PID 2900 wrote to memory of 1588	2900	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1132

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1232

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1280
- C:\Users\Admin\AppData\Local\Temp\7ebdb56aa171dc73f4d79e80ec9dbb9d69abde3f2eaebcc32e77a969f8d75b7d.exe
  "C:\Users\Admin\AppData\Local\Temp\7ebdb56aa171dc73f4d79e80ec9dbb9d69abde3f2eaebcc32e77a969f8d75b7d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2772
- - 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:2900

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1588

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/1132-25-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1132-26-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/1232-35-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1232-27-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1232-28-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/1232-20-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1280-22-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/1280-4-0x0000000002220000-0x0000000002226000-memory.dmp

Filesize
24KB

Download
memory/1280-3-0x0000000002220000-0x0000000002226000-memory.dmp

Filesize
24KB

Download
memory/1280-2-0x0000000002220000-0x0000000002226000-memory.dmp

Filesize
24KB

Download
memory/1280-10-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/1280-29-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/1588-30-0x0000000001CC0000-0x0000000001CC6000-memory.dmp

Filesize
24KB

Download
memory/1588-24-0x0000000001CC0000-0x0000000001CC6000-memory.dmp

Filesize
24KB

Download
memory/1588-31-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/2772-5-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2772-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2772-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2772-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2772-13-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2900-7-0x0000000076F60000-0x0000000076F61000-memory.dmp

Filesize
4KB

Download
memory/2900-9-0x0000000076F5F000-0x0000000076F61000-memory.dmp

Filesize
8KB

Download
memory/2900-11-0x0000000076D60000-0x0000000076F09000-memory.dmp

Filesize
1.7MB

Download
memory/2900-8-0x0000000076F5F000-0x0000000076F60000-memory.dmp

Filesize
4KB

Download
memory/2900-32-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2900-6-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download