tinba | 2f4eb523f9d6f6b0563fc24027d3fcef6424eda8562b683f628cde085c53d8ad

Analysis

max time kernel
147s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2025 20:32

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General

Target

JaffaCakes118_d1b5bb05bf5634466b30a4afbeebfbfa.exe
Size

36KB
MD5

d1b5bb05bf5634466b30a4afbeebfbfa
SHA1

86b8e11757cfd64ab0020fc337c238d0639e4445
SHA256

2f4eb523f9d6f6b0563fc24027d3fcef6424eda8562b683f628cde085c53d8ad
SHA512

e293e6e458eb0089908547b32c419902d00421f03f41b28f27824b15af1bcf9783686e93b2883df2b6f70c6c62cfd62adb5a775d3a7f7143b0a7f7c57ac569d1
SSDEEP

768:Dp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J:DpYoX58z1uirL98xMWnT0OQ9J

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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4EA4891A = "C:\\Users\\Admin\\AppData\\Roaming\\4EA4891A\\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/1068-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
908	2148	WerFault.exe	85

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_d1b5bb05bf5634466b30a4afbeebfbfa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2148	winver.exe
2148	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2148	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1068 wrote to memory of 2148	1068	JaffaCakes118_d1b5bb05bf5634466b30a4afbeebfbfa.exe	85
PID 1068 wrote to memory of 2148	1068	JaffaCakes118_d1b5bb05bf5634466b30a4afbeebfbfa.exe	85
PID 1068 wrote to memory of 2148	1068	JaffaCakes118_d1b5bb05bf5634466b30a4afbeebfbfa.exe	85
PID 1068 wrote to memory of 2148	1068	JaffaCakes118_d1b5bb05bf5634466b30a4afbeebfbfa.exe	85
PID 2148 wrote to memory of 3436	2148	winver.exe	56
PID 2148 wrote to memory of 2556	2148	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2556

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d1b5bb05bf5634466b30a4afbeebfbfa.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d1b5bb05bf5634466b30a4afbeebfbfa.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1068
- - 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:2148
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2148 -s 352
      4⤵
      Program crash
      PID:908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2148 -ip 2148
1⤵
PID:2208

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/1068-9-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/1068-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/1068-4-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/1068-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1068-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2148-5-0x0000000077AF2000-0x0000000077AF3000-memory.dmp

Filesize
4KB

Download
memory/2148-7-0x00007FFA54770000-0x00007FFA54965000-memory.dmp

Filesize
2.0MB

Download
memory/2148-11-0x0000000000DF0000-0x0000000000DF6000-memory.dmp

Filesize
24KB

Download
memory/2148-14-0x0000000000DF0000-0x0000000000DF6000-memory.dmp

Filesize
24KB

Download
memory/2556-13-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/3436-3-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/3436-2-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/3436-6-0x00007FFA5480D000-0x00007FFA5480E000-memory.dmp

Filesize
4KB

Download