tinba | 5991ad27b5575c625d9ee1b6439f464a05780adc0032c80140658ae73693edf4

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21/11/2024, 01:35

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General

Target

5991ad27b5575c625d9ee1b6439f464a05780adc0032c80140658ae73693edf4.exe
Size

89KB
MD5

308d30e8b0b45c198ec2107d97eedeff
SHA1

dc394a59b50ac780cfed32415bc0da2dc77fae12
SHA256

5991ad27b5575c625d9ee1b6439f464a05780adc0032c80140658ae73693edf4
SHA512

f0c7bdb7a6b392da4c4d02ff845ad4606019087aabe372136bf6159922db47fe702e7784548b9f478e2a5087278cc842a212abfda8e50aac55d69a7de4131a69
SSDEEP

1536:hr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox76:l+4MJIkLZJNAQ9Jo96

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\E4D0363E = "C:\\Users\\Admin\\AppData\\Roaming\\E4D0363E\\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/1976-0-0x0000000000400000-0x0000000000418000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5991ad27b5575c625d9ee1b6439f464a05780adc0032c80140658ae73693edf4.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe
2040	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2040	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2040	1976	5991ad27b5575c625d9ee1b6439f464a05780adc0032c80140658ae73693edf4.exe	31
PID 1976 wrote to memory of 2040	1976	5991ad27b5575c625d9ee1b6439f464a05780adc0032c80140658ae73693edf4.exe	31
PID 1976 wrote to memory of 2040	1976	5991ad27b5575c625d9ee1b6439f464a05780adc0032c80140658ae73693edf4.exe	31
PID 1976 wrote to memory of 2040	1976	5991ad27b5575c625d9ee1b6439f464a05780adc0032c80140658ae73693edf4.exe	31
PID 1976 wrote to memory of 2040	1976	5991ad27b5575c625d9ee1b6439f464a05780adc0032c80140658ae73693edf4.exe	31
PID 2040 wrote to memory of 1200	2040	winver.exe	21
PID 2040 wrote to memory of 1104	2040	winver.exe	19
PID 2040 wrote to memory of 1176	2040	winver.exe	20
PID 2040 wrote to memory of 1200	2040	winver.exe	21
PID 2040 wrote to memory of 1632	2040	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\5991ad27b5575c625d9ee1b6439f464a05780adc0032c80140658ae73693edf4.exe
  "C:\Users\Admin\AppData\Local\Temp\5991ad27b5575c625d9ee1b6439f464a05780adc0032c80140658ae73693edf4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1976
- - 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:2040

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/1104-26-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1104-27-0x0000000077911000-0x0000000077912000-memory.dmp

Filesize
4KB

Download
memory/1176-28-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/1200-3-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000077911000-0x0000000077912000-memory.dmp

Filesize
4KB

Download
memory/1200-29-0x00000000026E0000-0x00000000026E6000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/1632-25-0x0000000077911000-0x0000000077912000-memory.dmp

Filesize
4KB

Download
memory/1632-24-0x0000000001C50000-0x0000000001C56000-memory.dmp

Filesize
24KB

Download
memory/1632-23-0x0000000001C50000-0x0000000001C56000-memory.dmp

Filesize
24KB

Download
memory/1976-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1976-13-0x0000000001CB0000-0x00000000026B0000-memory.dmp

Filesize
10.0MB

Download
memory/1976-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1976-5-0x0000000001CB0000-0x00000000026B0000-memory.dmp

Filesize
10.0MB

Download
memory/1976-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2040-6-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2040-8-0x0000000077ABF000-0x0000000077AC0000-memory.dmp

Filesize
4KB

Download
memory/2040-9-0x0000000077ABF000-0x0000000077AC1000-memory.dmp

Filesize
8KB

Download
memory/2040-11-0x00000000778C0000-0x0000000077A69000-memory.dmp

Filesize
1.7MB

Download
memory/2040-7-0x0000000077AC0000-0x0000000077AC1000-memory.dmp

Filesize
4KB

Download
memory/2040-30-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2040-35-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download