tinba | dda9492c7453b40215990fc36578bce90a68c1f302a5001d471ff0d84b4b9383

Analysis

max time kernel
94s
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
23-11-2024 06:57

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General

Target

dda9492c7453b40215990fc36578bce90a68c1f302a5001d471ff0d84b4b9383.exe
Size

160KB
MD5

ac6a264b7cc7cedabbc39db4400d9868
SHA1

f053c89d60c498c0302e63d1c516bd7e77896276
SHA256

dda9492c7453b40215990fc36578bce90a68c1f302a5001d471ff0d84b4b9383
SHA512

3e10f4d851e338dc37114ad7f5e4d79de58dd3ba4fed1f7b8fea36e5fb64e5226b8e0988a9e20b8d900745d6acf486a983a7c3d8b966d46a6c24db29b86a0092
SSDEEP

1536:DEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph0:AY+4MiIkLZJNAQ9J6v6

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2DB36298 = "C:\\Users\\Admin\\AppData\\Roaming\\2DB36298\\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/1548-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
904	3640	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	dda9492c7453b40215990fc36578bce90a68c1f302a5001d471ff0d84b4b9383.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3640	winver.exe
3640	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3544	Explorer.EXE
Token: SeCreatePagefilePrivilege	3544	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3640	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 3640	1548	dda9492c7453b40215990fc36578bce90a68c1f302a5001d471ff0d84b4b9383.exe	84
PID 1548 wrote to memory of 3640	1548	dda9492c7453b40215990fc36578bce90a68c1f302a5001d471ff0d84b4b9383.exe	84
PID 1548 wrote to memory of 3640	1548	dda9492c7453b40215990fc36578bce90a68c1f302a5001d471ff0d84b4b9383.exe	84
PID 1548 wrote to memory of 3640	1548	dda9492c7453b40215990fc36578bce90a68c1f302a5001d471ff0d84b4b9383.exe	84
PID 3640 wrote to memory of 3544	3640	winver.exe	56
PID 3640 wrote to memory of 2660	3640	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2660

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3544
- C:\Users\Admin\AppData\Local\Temp\dda9492c7453b40215990fc36578bce90a68c1f302a5001d471ff0d84b4b9383.exe
  "C:\Users\Admin\AppData\Local\Temp\dda9492c7453b40215990fc36578bce90a68c1f302a5001d471ff0d84b4b9383.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1548
- - 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:3640
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3640 -s 352
      4⤵
      Program crash
      PID:904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3640 -ip 3640
1⤵
PID:640

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/1548-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1548-1-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/1548-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1548-4-0x00000000022F0000-0x0000000002CF0000-memory.dmp

Filesize
10.0MB

Download
memory/1548-9-0x00000000022F0000-0x0000000002CF0000-memory.dmp

Filesize
10.0MB

Download
memory/2660-13-0x0000000000E70000-0x0000000000E76000-memory.dmp

Filesize
24KB

Download
memory/3544-2-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3544-6-0x00007FFF34BCD000-0x00007FFF34BCE000-memory.dmp

Filesize
4KB

Download
memory/3544-3-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3640-7-0x00007FFF34B30000-0x00007FFF34D25000-memory.dmp

Filesize
2.0MB

Download
memory/3640-5-0x0000000077B92000-0x0000000077B93000-memory.dmp

Filesize
4KB

Download
memory/3640-11-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/3640-14-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download