tinba | 7010b3e43872b1663ad147f3a699763c2677add86aea5eeb60f927804f402427

Analysis

max time kernel
117s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/11/2024, 05:53

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General

Target
7010b3e43872b1663ad147f3a699763c2677add86aea5eeb60f927804f402427N.exe
Size 89KB
Sample241120-gltxdstanj
SHA256 7010b3e43872b1663ad147f3a699763c2677add86aea5eeb60f927804f402427
MD5 6ff10dad65e5935e08dd1cb4fc0dc7d0
SHA1 d7b05d194abd8c67c549d87ee518775150322bb6
SHA512 f46fe534fb4c176558080f48ebb1fcae054b49ed5ec5eb040ac8472bd1fd8c335025ff88f8162dd3eb1d66997511f9de1b48ed480d84a5d151b6e1e3d3e1ab52
SSDEEP 1536:+1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:++4MJIkLZJNAQ9Jo9e
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DF2B9875 = "C:\\Users\\Admin\\AppData\\Roaming\\DF2B9875\\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/316-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1812	2100	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7010b3e43872b1663ad147f3a699763c2677add86aea5eeb60f927804f402427N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2100	winver.exe
2100	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3624	Explorer.EXE
Token: SeCreatePagefilePrivilege	3624	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2100	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3624	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 316 wrote to memory of 2100	316	7010b3e43872b1663ad147f3a699763c2677add86aea5eeb60f927804f402427N.exe	84
PID 316 wrote to memory of 2100	316	7010b3e43872b1663ad147f3a699763c2677add86aea5eeb60f927804f402427N.exe	84
PID 316 wrote to memory of 2100	316	7010b3e43872b1663ad147f3a699763c2677add86aea5eeb60f927804f402427N.exe	84
PID 316 wrote to memory of 2100	316	7010b3e43872b1663ad147f3a699763c2677add86aea5eeb60f927804f402427N.exe	84
PID 2100 wrote to memory of 3624	2100	winver.exe	56
PID 2100 wrote to memory of 2688	2100	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2688

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3624
- C:\Users\Admin\AppData\Local\Temp\7010b3e43872b1663ad147f3a699763c2677add86aea5eeb60f927804f402427N.exe
  "C:\Users\Admin\AppData\Local\Temp\7010b3e43872b1663ad147f3a699763c2677add86aea5eeb60f927804f402427N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:316
- - 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:2100
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 352
      4⤵
      Program crash
      PID:1812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2100 -ip 2100
1⤵
PID:2104

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

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Downloads

memory/316-0-0x0000000000400000-0x0000000000418000-memory.dmp

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memory/316-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

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memory/316-9-0x0000000002190000-0x0000000002B90000-memory.dmp

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memory/316-8-0x0000000000400000-0x0000000000418000-memory.dmp

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memory/316-4-0x0000000002190000-0x0000000002B90000-memory.dmp

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memory/2100-5-0x0000000077AA2000-0x0000000077AA3000-memory.dmp

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memory/2100-7-0x00007FFC453F0000-0x00007FFC455E5000-memory.dmp

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memory/2100-12-0x0000000000D80000-0x0000000000D86000-memory.dmp

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memory/2100-15-0x0000000000D80000-0x0000000000D86000-memory.dmp

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memory/2688-14-0x0000000000B20000-0x0000000000B26000-memory.dmp

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memory/3624-6-0x00007FFC4548D000-0x00007FFC4548E000-memory.dmp

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memory/3624-3-0x0000000000C90000-0x0000000000C96000-memory.dmp

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memory/3624-2-0x0000000000C90000-0x0000000000C96000-memory.dmp

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memory/3624-10-0x00007FFC45620000-0x00007FFC45621000-memory.dmp

Download