tinba | a6b455a718165eb3874ddfb60306b02efc7f4e1e857506cecdc22f7a1fd7ea67

Analysis

max time kernel
105s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2024 04:17

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General

Target

a6b455a718165eb3874ddfb60306b02efc7f4e1e857506cecdc22f7a1fd7ea67N.exe
Size

45KB
MD5

8a3207c4e8e5295d1c8077ac3c3dc5d0
SHA1

458937cda6dbf7b38d5b8b04478e7ede9f9653cd
SHA256

a6b455a718165eb3874ddfb60306b02efc7f4e1e857506cecdc22f7a1fd7ea67
SHA512

8b0a59f3a652ccb2e5620dac34991a316488555f855615b4acd986f3cbadc8b6675c99fb285f56426badc7fa928065cbc031fb0eb432dee639a3b10aef640720
SSDEEP

768:VhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ21:HsWE9N5dFu53dsniQaB/xZ14n7zIF+qZ

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4F739B95 = "C:\\Users\\Admin\\AppData\\Roaming\\4F739B95\\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/4960-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1528	2576	WerFault.exe	83

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	a6b455a718165eb3874ddfb60306b02efc7f4e1e857506cecdc22f7a1fd7ea67N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2576	winver.exe
2576	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2576	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 2576	4960	a6b455a718165eb3874ddfb60306b02efc7f4e1e857506cecdc22f7a1fd7ea67N.exe	83
PID 4960 wrote to memory of 2576	4960	a6b455a718165eb3874ddfb60306b02efc7f4e1e857506cecdc22f7a1fd7ea67N.exe	83
PID 4960 wrote to memory of 2576	4960	a6b455a718165eb3874ddfb60306b02efc7f4e1e857506cecdc22f7a1fd7ea67N.exe	83
PID 4960 wrote to memory of 2576	4960	a6b455a718165eb3874ddfb60306b02efc7f4e1e857506cecdc22f7a1fd7ea67N.exe	83
PID 2576 wrote to memory of 3528	2576	winver.exe	56
PID 2576 wrote to memory of 2736	2576	winver.exe	46

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2736

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3528
- C:\Users\Admin\AppData\Local\Temp\a6b455a718165eb3874ddfb60306b02efc7f4e1e857506cecdc22f7a1fd7ea67N.exe
  "C:\Users\Admin\AppData\Local\Temp\a6b455a718165eb3874ddfb60306b02efc7f4e1e857506cecdc22f7a1fd7ea67N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4960
- - 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:2576
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2576 -s 356
      4⤵
      Program crash
      PID:1528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2576 -ip 2576
1⤵
PID:3420

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/2576-6-0x00000000770E2000-0x00000000770E3000-memory.dmp

Filesize
4KB

Download
memory/2576-15-0x00000000014D0000-0x00000000014D6000-memory.dmp

Filesize
24KB

Download
memory/2576-8-0x00007FFB286B0000-0x00007FFB288A5000-memory.dmp

Filesize
2.0MB

Download
memory/2576-5-0x00000000014D0000-0x00000000014D6000-memory.dmp

Filesize
24KB

Download
memory/2736-14-0x0000000000B90000-0x0000000000B96000-memory.dmp

Filesize
24KB

Download
memory/3528-3-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

Filesize
24KB

Download
memory/3528-7-0x00007FFB2874D000-0x00007FFB2874E000-memory.dmp

Filesize
4KB

Download
memory/3528-2-0x0000000002ED0000-0x0000000002ED6000-memory.dmp

Filesize
24KB

Download
memory/4960-4-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/4960-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4960-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4960-10-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/4960-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download