tinba | 8b0c362c99fdc1ca4103212c04e13917e0514543b0862aa9096a432d01dbdc49

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23-10-2024 09:13

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General

Target

8b0c362c99fdc1ca4103212c04e13917e0514543b0862aa9096a432d01dbdc49N.exe
Size

45KB
MD5

cadc7f3f1dd96daf56fea08d4a8b1d80
SHA1

63372f86a69ae844d8c96d1d30de293da9150bbd
SHA256

8b0c362c99fdc1ca4103212c04e13917e0514543b0862aa9096a432d01dbdc49
SHA512

80b703f8ef56c146386388d28dd42352232b9f2e9dfed38bcf65f74371bdeecd54f37f191fc95bea56ad4853b15acc65dd68467a39d699d8908b99e6eca2bac8
SSDEEP

768:ShP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:esWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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

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\313FB610 = "C:\\Users\\Admin\\AppData\\Roaming\\313FB610\\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/3056-0-0x0000000000400000-0x000000000041D000-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	8b0c362c99fdc1ca4103212c04e13917e0514543b0862aa9096a432d01dbdc49N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe
2072	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2072	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2072	3056	8b0c362c99fdc1ca4103212c04e13917e0514543b0862aa9096a432d01dbdc49N.exe	31
PID 3056 wrote to memory of 2072	3056	8b0c362c99fdc1ca4103212c04e13917e0514543b0862aa9096a432d01dbdc49N.exe	31
PID 3056 wrote to memory of 2072	3056	8b0c362c99fdc1ca4103212c04e13917e0514543b0862aa9096a432d01dbdc49N.exe	31
PID 3056 wrote to memory of 2072	3056	8b0c362c99fdc1ca4103212c04e13917e0514543b0862aa9096a432d01dbdc49N.exe	31
PID 3056 wrote to memory of 2072	3056	8b0c362c99fdc1ca4103212c04e13917e0514543b0862aa9096a432d01dbdc49N.exe	31
PID 2072 wrote to memory of 1200	2072	winver.exe	21
PID 2072 wrote to memory of 1104	2072	winver.exe	19
PID 2072 wrote to memory of 1176	2072	winver.exe	20
PID 2072 wrote to memory of 1200	2072	winver.exe	21
PID 2072 wrote to memory of 1632	2072	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\8b0c362c99fdc1ca4103212c04e13917e0514543b0862aa9096a432d01dbdc49N.exe
  "C:\Users\Admin\AppData\Local\Temp\8b0c362c99fdc1ca4103212c04e13917e0514543b0862aa9096a432d01dbdc49N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3056
- - 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:2072

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1632

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/1104-27-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1104-28-0x0000000077911000-0x0000000077912000-memory.dmp

Filesize
4KB

Download
memory/1176-29-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1176-33-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1176-19-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002A80000-0x0000000002A86000-memory.dmp

Filesize
24KB

Download
memory/1200-8-0x0000000077911000-0x0000000077912000-memory.dmp

Filesize
4KB

Download
memory/1200-21-0x00000000026E0000-0x00000000026E6000-memory.dmp

Filesize
24KB

Download
memory/1200-24-0x00000000026E0000-0x00000000026E6000-memory.dmp

Filesize
24KB

Download
memory/1200-5-0x0000000002A80000-0x0000000002A86000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x0000000002A80000-0x0000000002A86000-memory.dmp

Filesize
24KB

Download
memory/1632-25-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1632-23-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1632-26-0x0000000077911000-0x0000000077912000-memory.dmp

Filesize
4KB

Download
memory/2072-7-0x00000000007A0000-0x00000000007B6000-memory.dmp

Filesize
88KB

Download
memory/2072-6-0x00000000007A1000-0x00000000007A2000-memory.dmp

Filesize
4KB

Download
memory/2072-12-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2072-13-0x00000000778C0000-0x0000000077A69000-memory.dmp

Filesize
1.7MB

Download
memory/3056-10-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/3056-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3056-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3056-2-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/3056-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download