tinba | 38ebd79d64961134111a1cb33087e89a488fc64b0b6a8a247af3c3df8728d951

Analysis

max time kernel
130s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2025 11:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_9d8f1eac918b385d859bd20b48815eef.exe
Size

160KB
MD5

9d8f1eac918b385d859bd20b48815eef
SHA1

a8a22bad6dc292b56c7b552a650e76cbf37dfb5f
SHA256

38ebd79d64961134111a1cb33087e89a488fc64b0b6a8a247af3c3df8728d951
SHA512

91d717711eefd0658dd2a7f94ec8c3facb10577885e59b0b953eb72fad68ae12abfd915563d2465ce4e2977eded2f86d0ff488bf21ced589c6240d71963b452f
SSDEEP

1536:2EY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:dY+4MiIkLZJNAQ9J6v

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\038B29EA = "C:\\Users\\Admin\\AppData\\Roaming\\038B29EA\\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/4988-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3984	4124	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	JaffaCakes118_9d8f1eac918b385d859bd20b48815eef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4124	winver.exe
4124	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4124	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 4124	4988	JaffaCakes118_9d8f1eac918b385d859bd20b48815eef.exe	84
PID 4988 wrote to memory of 4124	4988	JaffaCakes118_9d8f1eac918b385d859bd20b48815eef.exe	84
PID 4988 wrote to memory of 4124	4988	JaffaCakes118_9d8f1eac918b385d859bd20b48815eef.exe	84
PID 4988 wrote to memory of 4124	4988	JaffaCakes118_9d8f1eac918b385d859bd20b48815eef.exe	84
PID 4124 wrote to memory of 3424	4124	winver.exe	56
PID 4124 wrote to memory of 3044	4124	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3044

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3424
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9d8f1eac918b385d859bd20b48815eef.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9d8f1eac918b385d859bd20b48815eef.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4988
- - 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:4124
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4124 -s 352
      4⤵
      Program crash
      PID:3984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4124 -ip 4124
1⤵
PID:3092

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/3044-13-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/3424-6-0x00007FFA6698D000-0x00007FFA6698E000-memory.dmp

Filesize
4KB

Download
memory/3424-3-0x0000000002900000-0x0000000002906000-memory.dmp

Filesize
24KB

Download
memory/3424-2-0x0000000002900000-0x0000000002906000-memory.dmp

Filesize
24KB

Download
memory/4124-5-0x0000000077662000-0x0000000077663000-memory.dmp

Filesize
4KB

Download
memory/4124-7-0x00007FFA668F0000-0x00007FFA66AE5000-memory.dmp

Filesize
2.0MB

Download
memory/4124-11-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/4124-14-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/4988-4-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/4988-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4988-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4988-9-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/4988-1-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download