tinba | 760e292cd35c5b69722f14ef1ae3c6223b8778a4615faf2e4edbc5d733680e22

Analysis

max time kernel
112s
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
05-12-2024 23:40

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General

Target

760e292cd35c5b69722f14ef1ae3c6223b8778a4615faf2e4edbc5d733680e22.exe
Size

110KB
MD5

d9a7feb205bf9ca90f8f1666317aa0ae
SHA1

948f823b7c6706c2fa4dadb05d85968e6b85c5c3
SHA256

760e292cd35c5b69722f14ef1ae3c6223b8778a4615faf2e4edbc5d733680e22
SHA512

e35266ab4f0d551246193a575a0e3aeac6ad08a41917693263eeba53d65ea3613d6ed57efb0184191d424b3b5afe88daa3f2c1763f92d7d5f697e271f2557f0f
SSDEEP

1536:JiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:JiyvRmDLs/ZrwWJjAqGcRJ2hw

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C1426238 = "C:\\Users\\Admin\\AppData\\Roaming\\C1426238\\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/4224-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2032	3284	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	760e292cd35c5b69722f14ef1ae3c6223b8778a4615faf2e4edbc5d733680e22.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3284	winver.exe
3284	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3536	Explorer.EXE
Token: SeCreatePagefilePrivilege	3536	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3284	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4224 wrote to memory of 3284	4224	760e292cd35c5b69722f14ef1ae3c6223b8778a4615faf2e4edbc5d733680e22.exe	83
PID 4224 wrote to memory of 3284	4224	760e292cd35c5b69722f14ef1ae3c6223b8778a4615faf2e4edbc5d733680e22.exe	83
PID 4224 wrote to memory of 3284	4224	760e292cd35c5b69722f14ef1ae3c6223b8778a4615faf2e4edbc5d733680e22.exe	83
PID 4224 wrote to memory of 3284	4224	760e292cd35c5b69722f14ef1ae3c6223b8778a4615faf2e4edbc5d733680e22.exe	83
PID 3284 wrote to memory of 3536	3284	winver.exe	56
PID 3284 wrote to memory of 2652	3284	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2652

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3536
- C:\Users\Admin\AppData\Local\Temp\760e292cd35c5b69722f14ef1ae3c6223b8778a4615faf2e4edbc5d733680e22.exe
  "C:\Users\Admin\AppData\Local\Temp\760e292cd35c5b69722f14ef1ae3c6223b8778a4615faf2e4edbc5d733680e22.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4224
- - 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:3284
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3284 -s 356
      4⤵
      Program crash
      PID:2032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3284 -ip 3284
1⤵
PID:960

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/2652-14-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/3284-5-0x0000000077BD2000-0x0000000077BD3000-memory.dmp

Filesize
4KB

Download
memory/3284-15-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

Download
memory/3284-12-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

Download
memory/3284-7-0x00007FF8743D0000-0x00007FF8745C5000-memory.dmp

Filesize
2.0MB

Download
memory/3536-6-0x00007FF87446D000-0x00007FF87446E000-memory.dmp

Filesize
4KB

Download
memory/3536-2-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/3536-3-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/4224-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4224-4-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/4224-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4224-10-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/4224-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download