tinba | 361f8a7d7245364ef22a78a591b7d82b844e15d550c5811b05023b4bdba5ba56

Analysis

max time kernel
118s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2024 02:57

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General

Target

361f8a7d7245364ef22a78a591b7d82b844e15d550c5811b05023b4bdba5ba56N.exe
Size

45KB
MD5

4d0237c02c02b79173165a588ad506f0
SHA1

e41f868421b1514279ca7418bb676ca22ad2eabf
SHA256

361f8a7d7245364ef22a78a591b7d82b844e15d550c5811b05023b4bdba5ba56
SHA512

620d7bb2f0968bb07085d2e68c082edb53f1cfed0932221b1d1381ccc8fe4ab167f677dc68298a300dd97499e53f2465ff088e520866be043f09972390342d8f
SSDEEP

768:1hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:nsWE9N5dFu53dsniQaB/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
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\3712FDBF = "C:\\Users\\Admin\\AppData\\Roaming\\3712FDBF\\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/3764-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2780	212	WerFault.exe	84

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	361f8a7d7245364ef22a78a591b7d82b844e15d550c5811b05023b4bdba5ba56N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
212	winver.exe
212	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
212	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3764 wrote to memory of 212	3764	361f8a7d7245364ef22a78a591b7d82b844e15d550c5811b05023b4bdba5ba56N.exe	84
PID 3764 wrote to memory of 212	3764	361f8a7d7245364ef22a78a591b7d82b844e15d550c5811b05023b4bdba5ba56N.exe	84
PID 3764 wrote to memory of 212	3764	361f8a7d7245364ef22a78a591b7d82b844e15d550c5811b05023b4bdba5ba56N.exe	84
PID 3764 wrote to memory of 212	3764	361f8a7d7245364ef22a78a591b7d82b844e15d550c5811b05023b4bdba5ba56N.exe	84
PID 212 wrote to memory of 3512	212	winver.exe	56
PID 212 wrote to memory of 2992	212	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2992

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3512
- C:\Users\Admin\AppData\Local\Temp\361f8a7d7245364ef22a78a591b7d82b844e15d550c5811b05023b4bdba5ba56N.exe
  "C:\Users\Admin\AppData\Local\Temp\361f8a7d7245364ef22a78a591b7d82b844e15d550c5811b05023b4bdba5ba56N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3764
- - 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:212
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 212 -s 352
      4⤵
      Program crash
      PID:2780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 212 -ip 212
1⤵
PID:1968

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/212-5-0x00000000770F2000-0x00000000770F3000-memory.dmp

Filesize
4KB

Download
memory/212-15-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

Filesize
24KB

Download
memory/212-12-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

Filesize
24KB

Download
memory/212-7-0x00007FFE21530000-0x00007FFE21725000-memory.dmp

Filesize
2.0MB

Download
memory/2992-14-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/3512-3-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

Filesize
24KB

Download
memory/3512-6-0x00007FFE215CD000-0x00007FFE215CE000-memory.dmp

Filesize
4KB

Download
memory/3512-2-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

Filesize
24KB

Download
memory/3764-4-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/3764-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3764-10-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/3764-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3764-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download