tinba | 3d01239abf50f0d84abe99abd3b4cfff0239edc8ce610abbebc3ffd600bec7e7

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-01-2025 17:45

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General

Target

3d01239abf50f0d84abe99abd3b4cfff0239edc8ce610abbebc3ffd600bec7e7.exe
Size

89KB
MD5

251118c6fbd60174da46b7b6d8cb3f38
SHA1

2ed6758196d47054d0e6490306280483921d17fe
SHA256

3d01239abf50f0d84abe99abd3b4cfff0239edc8ce610abbebc3ffd600bec7e7
SHA512

441067b4ed93145dfb61f4c1f63ce909809c47c0b78974d2cfc60700d60c3bef55bf44e9523a25656365c77b2c2f99577fdab9a1442fef7eea3dfbb27b27c308
SSDEEP

1536:o1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:8+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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\645D2E02 = "C:\\Users\\Admin\\AppData\\Roaming\\645D2E02\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2600-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3912	5012	WerFault.exe	86

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	3d01239abf50f0d84abe99abd3b4cfff0239edc8ce610abbebc3ffd600bec7e7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5012	winver.exe
5012	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5012	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 5012	2600	3d01239abf50f0d84abe99abd3b4cfff0239edc8ce610abbebc3ffd600bec7e7.exe	86
PID 2600 wrote to memory of 5012	2600	3d01239abf50f0d84abe99abd3b4cfff0239edc8ce610abbebc3ffd600bec7e7.exe	86
PID 2600 wrote to memory of 5012	2600	3d01239abf50f0d84abe99abd3b4cfff0239edc8ce610abbebc3ffd600bec7e7.exe	86
PID 2600 wrote to memory of 5012	2600	3d01239abf50f0d84abe99abd3b4cfff0239edc8ce610abbebc3ffd600bec7e7.exe	86
PID 5012 wrote to memory of 3444	5012	winver.exe	56
PID 5012 wrote to memory of 3040	5012	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3040

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444
- C:\Users\Admin\AppData\Local\Temp\3d01239abf50f0d84abe99abd3b4cfff0239edc8ce610abbebc3ffd600bec7e7.exe
  "C:\Users\Admin\AppData\Local\Temp\3d01239abf50f0d84abe99abd3b4cfff0239edc8ce610abbebc3ffd600bec7e7.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2600
- - 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:5012
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5012 -s 352
      4⤵
      Program crash
      PID:3912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 5012 -ip 5012
1⤵
PID:3948

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/2600-10-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2600-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/2600-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2600-4-0x0000000002110000-0x0000000002B10000-memory.dmp

Filesize
10.0MB

Download
memory/2600-11-0x0000000002110000-0x0000000002B10000-memory.dmp

Filesize
10.0MB

Download
memory/3040-15-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/3444-3-0x0000000000B50000-0x0000000000B56000-memory.dmp

Filesize
24KB

Download
memory/3444-7-0x00007FFCD48ED000-0x00007FFCD48EE000-memory.dmp

Filesize
4KB

Download
memory/3444-2-0x0000000000B50000-0x0000000000B56000-memory.dmp

Filesize
24KB

Download
memory/5012-6-0x00000000778B2000-0x00000000778B3000-memory.dmp

Filesize
4KB

Download
memory/5012-8-0x00007FFCD4850000-0x00007FFCD4A45000-memory.dmp

Filesize
2.0MB

Download
memory/5012-5-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/5012-16-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download