tinba | fc66a916ccab14beb3c0646965fcf03b1ff126c758cfcada224cb052ee1e7668

Analysis

max time kernel
107s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-12-2024 12:52

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General

Target

fc66a916ccab14beb3c0646965fcf03b1ff126c758cfcada224cb052ee1e7668N.exe
Size

34KB
MD5

fd90c736bfdce787c3b3ddc2e48f9270
SHA1

0745ad1f6dd1f1c276c46b5c35a8ba2b9df00c1b
SHA256

fc66a916ccab14beb3c0646965fcf03b1ff126c758cfcada224cb052ee1e7668
SHA512

be61b791cccd62ae40d361da599b30e041819f21f3ad6bc7065d6135ca7e924f106c9325b4b772e44ad1e386aa08afb9c96430a40fc4ac5f71643f7b30a1a733
SSDEEP

768:Lp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9JS:LpYoX58z1uirL98xMWnT0OQ9JS

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0029F88D = "C:\\Users\\Admin\\AppData\\Roaming\\0029F88D\\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/3020-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4908	3600	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	fc66a916ccab14beb3c0646965fcf03b1ff126c758cfcada224cb052ee1e7668N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3600	winver.exe
3600	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3568	Explorer.EXE
Token: SeCreatePagefilePrivilege	3568	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3600	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 3600	3020	fc66a916ccab14beb3c0646965fcf03b1ff126c758cfcada224cb052ee1e7668N.exe	84
PID 3020 wrote to memory of 3600	3020	fc66a916ccab14beb3c0646965fcf03b1ff126c758cfcada224cb052ee1e7668N.exe	84
PID 3020 wrote to memory of 3600	3020	fc66a916ccab14beb3c0646965fcf03b1ff126c758cfcada224cb052ee1e7668N.exe	84
PID 3020 wrote to memory of 3600	3020	fc66a916ccab14beb3c0646965fcf03b1ff126c758cfcada224cb052ee1e7668N.exe	84
PID 3600 wrote to memory of 3568	3600	winver.exe	56
PID 3600 wrote to memory of 2704	3600	winver.exe	45

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2704

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3568
- C:\Users\Admin\AppData\Local\Temp\fc66a916ccab14beb3c0646965fcf03b1ff126c758cfcada224cb052ee1e7668N.exe
  "C:\Users\Admin\AppData\Local\Temp\fc66a916ccab14beb3c0646965fcf03b1ff126c758cfcada224cb052ee1e7668N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3020
- - 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:3600
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3600 -s 352
      4⤵
      Program crash
      PID:4908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3600 -ip 3600
1⤵
PID:4088

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/2704-12-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/3020-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3020-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3020-4-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/3020-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3020-8-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/3568-2-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/3568-3-0x0000000000800000-0x0000000000806000-memory.dmp

Filesize
24KB

Download
memory/3568-5-0x00007FFB010AD000-0x00007FFB010AE000-memory.dmp

Filesize
4KB

Download
memory/3600-6-0x00007FFB01010000-0x00007FFB01205000-memory.dmp

Filesize
2.0MB

Download
memory/3600-10-0x0000000000D70000-0x0000000000D76000-memory.dmp

Filesize
24KB

Download
memory/3600-13-0x0000000000D70000-0x0000000000D76000-memory.dmp

Filesize
24KB

Download