tinba | 39cdfe92e463f80b21164777dce1399843e181342e3af7444270e0ed65fa9b12

Analysis

max time kernel
106s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 12:15

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

39cdfe92e463f80b21164777dce1399843e181342e3af7444270e0ed65fa9b12N.exe
Size

45KB
MD5

72fff3586e2e1b8a53374a4a5e313d80
SHA1

29a5d31e63a6c492b40789cf72b823d1f8ac598e
SHA256

39cdfe92e463f80b21164777dce1399843e181342e3af7444270e0ed65fa9b12
SHA512

f720e13475d928553667aea627dfc52201d7d15c711537752adbc003be2155234817c86ef4326f9af1f6da90c598a620faae506d6f3c10b0c95d4c3f1b75c7b8
SSDEEP

768:GhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ29:KsWE9N5dFu53dsniQaB/xZ14n7zIF+qB

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\9FBFE398 = "C:\\Users\\Admin\\AppData\\Roaming\\9FBFE398\\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/956-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1716	824	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	39cdfe92e463f80b21164777dce1399843e181342e3af7444270e0ed65fa9b12N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
824	winver.exe
824	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
824	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 956 wrote to memory of 824	956	39cdfe92e463f80b21164777dce1399843e181342e3af7444270e0ed65fa9b12N.exe	84
PID 956 wrote to memory of 824	956	39cdfe92e463f80b21164777dce1399843e181342e3af7444270e0ed65fa9b12N.exe	84
PID 956 wrote to memory of 824	956	39cdfe92e463f80b21164777dce1399843e181342e3af7444270e0ed65fa9b12N.exe	84
PID 956 wrote to memory of 824	956	39cdfe92e463f80b21164777dce1399843e181342e3af7444270e0ed65fa9b12N.exe	84
PID 824 wrote to memory of 3460	824	winver.exe	55
PID 824 wrote to memory of 2656	824	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2656

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3460
- C:\Users\Admin\AppData\Local\Temp\39cdfe92e463f80b21164777dce1399843e181342e3af7444270e0ed65fa9b12N.exe
  "C:\Users\Admin\AppData\Local\Temp\39cdfe92e463f80b21164777dce1399843e181342e3af7444270e0ed65fa9b12N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:956
- - 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:824
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 824 -s 352
      4⤵
      Program crash
      PID:1716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 824 -ip 824
1⤵
PID:4260

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

Loading Replay Monitor...

Downloads

memory/824-11-0x0000000001360000-0x0000000001366000-memory.dmp

Filesize
24KB

Download
memory/824-14-0x0000000001360000-0x0000000001366000-memory.dmp

Filesize
24KB

Download
memory/824-5-0x0000000077512000-0x0000000077513000-memory.dmp

Filesize
4KB

Download
memory/824-7-0x00007FF9B62D0000-0x00007FF9B64C5000-memory.dmp

Filesize
2.0MB

Download
memory/956-1-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/956-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/956-4-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/956-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/956-9-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/2656-13-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/3460-2-0x00000000023C0000-0x00000000023C6000-memory.dmp

Filesize
24KB

Download
memory/3460-6-0x00007FF9B636D000-0x00007FF9B636E000-memory.dmp

Filesize
4KB

Download
memory/3460-3-0x00000000023C0000-0x00000000023C6000-memory.dmp

Filesize
24KB

Download