tinba | ad16ac5f7fc208578ac85f4b427a3aea4137c38f0d99d2126c932789436e8a18

Analysis

max time kernel
150s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 01:57

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General

Target
4dcfb522b8be8dd3407a17397681faca.exe
Size 160KB
Sample231222-cddg8aefej
SHA256 ad16ac5f7fc208578ac85f4b427a3aea4137c38f0d99d2126c932789436e8a18
MD5 4dcfb522b8be8dd3407a17397681faca
SHA1 47db23209640abac038a5662b461aae3f065b4a6
SHA512 c48a77e85826a2f1c7488abd56006fbe1d54a96200a5e2b6ecc9f0a2a3811cb3eb6cfe20b2f7909ee0d4c358a4a4b7cb9cee3b0413d09793b4958aef3da5f1ce
SSDEEP 1536:+EY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:1Y+4MiIkLZJNAQ9J6v
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tinba banker persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/800-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1E13F8DF = "C:\\Users\\Admin\\AppData\\Roaming\\1E13F8DF\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3708	3648	WerFault.exe	25

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3648	winver.exe
3648	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3648	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3428	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 800 wrote to memory of 3648	800	4dcfb522b8be8dd3407a17397681faca.exe	25
PID 800 wrote to memory of 3648	800	4dcfb522b8be8dd3407a17397681faca.exe	25
PID 800 wrote to memory of 3648	800	4dcfb522b8be8dd3407a17397681faca.exe	25
PID 800 wrote to memory of 3648	800	4dcfb522b8be8dd3407a17397681faca.exe	25
PID 3648 wrote to memory of 3428	3648	winver.exe	51
PID 3648 wrote to memory of 2648	3648	winver.exe	62

C:\Users\Admin\AppData\Local\Temp\4dcfb522b8be8dd3407a17397681faca.exe
"C:\Users\Admin\AppData\Local\Temp\4dcfb522b8be8dd3407a17397681faca.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:800
- C:\Windows\SysWOW64\winver.exe
  winver
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3648
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3648 -s 352
    3⤵
    - Program crash
    PID:3708

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3428

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

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3648 -ip 3648
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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/800-0-0x0000000000400000-0x0000000000428000-memory.dmp

Download

memory/800-3-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Download

memory/800-9-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Download

memory/800-8-0x0000000000400000-0x0000000000428000-memory.dmp

Download

memory/800-1-0x0000000000590000-0x0000000000591000-memory.dmp

Download

memory/2648-13-0x0000000000520000-0x0000000000526000-memory.dmp

Download

memory/3428-4-0x0000000002C20000-0x0000000002C26000-memory.dmp

Download

memory/3428-6-0x00007FF8D556D000-0x00007FF8D556E000-memory.dmp

Download

memory/3428-2-0x0000000002C20000-0x0000000002C26000-memory.dmp

Download

memory/3428-16-0x00007FF8D5700000-0x00007FF8D5701000-memory.dmp

Download

memory/3648-5-0x0000000077242000-0x0000000077243000-memory.dmp

Download

memory/3648-7-0x00000000003E0000-0x00000000003E6000-memory.dmp

Download

memory/3648-14-0x00000000003E0000-0x00000000003E6000-memory.dmp

Download