tinba | 683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c

Analysis

max time kernel
114s
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
21/11/2024, 01:27

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General

Target

683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.exe
Size

160KB
MD5

c06fd20f0cb95403091347f94b703969
SHA1

dc33e0b3fc26011d0a767bcb786dbc21b5da241e
SHA256

683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c
SHA512

09bfa634d212647664ac81efd8d4d9c98b358ad13caf83873bc8a81071072556109e5d484bcb47dca65b0918f3758969285776768ed3f5ef611ff1ec0ff0b23e
SSDEEP

1536:EEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xphM:3Y+4MiIkLZJNAQ9J6vO

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\1301DD1F = "C:\\Users\\Admin\\AppData\\Roaming\\1301DD1F\\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/464-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2536	184	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	683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
184	winver.exe
184	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
184	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 184	464	683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.exe	84
PID 464 wrote to memory of 184	464	683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.exe	84
PID 464 wrote to memory of 184	464	683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.exe	84
PID 464 wrote to memory of 184	464	683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.exe	84
PID 184 wrote to memory of 3444	184	winver.exe	55
PID 184 wrote to memory of 2648	184	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2648

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444
- C:\Users\Admin\AppData\Local\Temp\683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.exe
  "C:\Users\Admin\AppData\Local\Temp\683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:464
- - 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:184
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 184 -s 352
      4⤵
      Program crash
      PID:2536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 184 -ip 184
1⤵
PID:4588

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/184-5-0x0000000077502000-0x0000000077503000-memory.dmp

Filesize
4KB

Download
memory/184-14-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/184-11-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/184-7-0x00007FFDA03F0000-0x00007FFDA05E5000-memory.dmp

Filesize
2.0MB

Download
memory/464-9-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/464-4-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/464-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/464-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/464-1-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/2648-13-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download
memory/3444-6-0x00007FFDA048D000-0x00007FFDA048E000-memory.dmp

Filesize
4KB

Download
memory/3444-2-0x0000000001150000-0x0000000001156000-memory.dmp

Filesize
24KB

Download
memory/3444-3-0x0000000001150000-0x0000000001156000-memory.dmp

Filesize
24KB

Download