tinba | 46c9ab6ba9c5df30f8aa54681566166e18adbd107a0e9f005f148bca82227075

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2024, 23:15

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General

Target

46c9ab6ba9c5df30f8aa54681566166e18adbd107a0e9f005f148bca82227075.exe
Size

89KB
MD5

684ef54a4ceb4fd1081f2fe37cc00487
SHA1

24ce2a03897e113fee8a142f1b8ed5691912030e
SHA256

46c9ab6ba9c5df30f8aa54681566166e18adbd107a0e9f005f148bca82227075
SHA512

75cce0c467ac421093352f89c343fd3683ef77e143e9c3b362b4c8948094d996c9f5ab7a23b09c9a3b7582107ed8f7e91b1642d423bd95213bb788568f989a53
SSDEEP

1536:81+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:I+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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5A078F72 = "C:\\Users\\Admin\\AppData\\Roaming\\5A078F72\\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/3092-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1764	4820	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	46c9ab6ba9c5df30f8aa54681566166e18adbd107a0e9f005f148bca82227075.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4820	winver.exe
4820	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3588	Explorer.EXE
Token: SeCreatePagefilePrivilege	3588	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4820	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3092 wrote to memory of 4820	3092	46c9ab6ba9c5df30f8aa54681566166e18adbd107a0e9f005f148bca82227075.exe	84
PID 3092 wrote to memory of 4820	3092	46c9ab6ba9c5df30f8aa54681566166e18adbd107a0e9f005f148bca82227075.exe	84
PID 3092 wrote to memory of 4820	3092	46c9ab6ba9c5df30f8aa54681566166e18adbd107a0e9f005f148bca82227075.exe	84
PID 3092 wrote to memory of 4820	3092	46c9ab6ba9c5df30f8aa54681566166e18adbd107a0e9f005f148bca82227075.exe	84
PID 4820 wrote to memory of 3588	4820	winver.exe	56
PID 4820 wrote to memory of 2616	4820	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2616

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3588
- C:\Users\Admin\AppData\Local\Temp\46c9ab6ba9c5df30f8aa54681566166e18adbd107a0e9f005f148bca82227075.exe
  "C:\Users\Admin\AppData\Local\Temp\46c9ab6ba9c5df30f8aa54681566166e18adbd107a0e9f005f148bca82227075.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3092
- - 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:4820
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4820 -s 352
      4⤵
      Program crash
      PID:1764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4820 -ip 4820
1⤵
PID:3408

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/2616-16-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/2616-14-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/3092-9-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3092-1-0x00000000009C0000-0x00000000009C1000-memory.dmp

Filesize
4KB

Download
memory/3092-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3092-4-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/3092-10-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/3588-2-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/3588-7-0x00007FFA429EC000-0x00007FFA429ED000-memory.dmp

Filesize
4KB

Download
memory/3588-6-0x00007FFA429ED000-0x00007FFA429EE000-memory.dmp

Filesize
4KB

Download
memory/3588-3-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/4820-8-0x00007FFA42950000-0x00007FFA42B45000-memory.dmp

Filesize
2.0MB

Download
memory/4820-5-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/4820-15-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download