tinba | 556247f972887a43f46b93a34d8970ab7b7e2ed319a27c2604e79977d77976b9

Analysis

max time kernel
149s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/03/2024, 01:12

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
493cb58a2f56814c2a730ce6fd3cb9c3_JaffaCakes118.exe
Size 131KB
Sample240331-bklazaba7v
SHA256 556247f972887a43f46b93a34d8970ab7b7e2ed319a27c2604e79977d77976b9
MD5 493cb58a2f56814c2a730ce6fd3cb9c3
SHA1 b88d9b9d6e01cfb280f8b024138c5cb62c9835d8
SHA512 0ca4301c702948747b1e401554a1c1e953a86715bc0cdf590f2dced8672c80583f5c23b06f3aa82ed73a64ff4f8318fc50ab5af470ce3a549a10653c86f64b8b
SSDEEP 1536:KPx+riFFG1A/m3wE/iVP9In2Zv4qjh+rmKK4cVSZj:EY8FE/MVIn2Z5jgq54c4d
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/3220-0-0x0000000000400000-0x0000000000423000-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\A410E50A = "C:\\Users\\Admin\\AppData\\Roaming\\A410E50A\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3700	4328	WerFault.exe	86

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4328	winver.exe
4328	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3532	Explorer.EXE
Token: SeCreatePagefilePrivilege	3532	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4328	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3220 wrote to memory of 4328	3220	493cb58a2f56814c2a730ce6fd3cb9c3_JaffaCakes118.exe	86
PID 3220 wrote to memory of 4328	3220	493cb58a2f56814c2a730ce6fd3cb9c3_JaffaCakes118.exe	86
PID 3220 wrote to memory of 4328	3220	493cb58a2f56814c2a730ce6fd3cb9c3_JaffaCakes118.exe	86
PID 3220 wrote to memory of 4328	3220	493cb58a2f56814c2a730ce6fd3cb9c3_JaffaCakes118.exe	86
PID 4328 wrote to memory of 3532	4328	winver.exe	57
PID 4328 wrote to memory of 2464	4328	winver.exe	43

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2464

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3532
- C:\Users\Admin\AppData\Local\Temp\493cb58a2f56814c2a730ce6fd3cb9c3_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\493cb58a2f56814c2a730ce6fd3cb9c3_JaffaCakes118.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3220
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4328
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4328 -s 352
      4⤵
      Program crash
      PID:3700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4328 -ip 4328
1⤵
PID:5056

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

Loading Replay Monitor...

Downloads

memory/2464-13-0x0000000000670000-0x0000000000676000-memory.dmp

Download

memory/3220-0-0x0000000000400000-0x0000000000423000-memory.dmp

Download

memory/3220-1-0x00000000005F0000-0x00000000005F1000-memory.dmp

Download

memory/3220-4-0x0000000002530000-0x0000000002F30000-memory.dmp

Download

memory/3220-8-0x0000000000400000-0x0000000000423000-memory.dmp

Download

memory/3220-9-0x0000000002530000-0x0000000002F30000-memory.dmp

Download

memory/3532-2-0x0000000002550000-0x0000000002556000-memory.dmp

Download

memory/3532-3-0x0000000002550000-0x0000000002556000-memory.dmp

Download

memory/3532-6-0x00007FFF055CD000-0x00007FFF055CE000-memory.dmp

Download

memory/4328-5-0x0000000077842000-0x0000000077843000-memory.dmp

Download

memory/4328-7-0x0000000000CC0000-0x0000000000CC6000-memory.dmp

Download

memory/4328-14-0x0000000000CC0000-0x0000000000CC6000-memory.dmp

Download