tinba | 3ba37eb8b1b9e8e2f8b755bac1d54e6715fe3f378ca5dca463a8a99e9e9a97cd

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2025, 11:47

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General

Target

JaffaCakes118_e36ee25a886ab47d94668ba8c0752178.exe
Size

34KB
MD5

e36ee25a886ab47d94668ba8c0752178
SHA1

8a4cdcbf80b943ef96839b2d2144552e9d3f8623
SHA256

3ba37eb8b1b9e8e2f8b755bac1d54e6715fe3f378ca5dca463a8a99e9e9a97cd
SHA512

3b237ccc2740381d46848eacafe589fee662bbe63edce4e95d750c4ff5704d8e9bf3b827581d44fd59b877db6b74759b06557a8f43e40f6046807a81ff0882f1
SSDEEP

768:Qp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:QpYoX58z1uirL98xMWnT0OQ9J2

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\0B5AB71F = "C:\\Users\\Admin\\AppData\\Roaming\\0B5AB71F\\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/5088-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4308	2044	WerFault.exe	83

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_e36ee25a886ab47d94668ba8c0752178.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2044	winver.exe
2044	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3492	Explorer.EXE
Token: SeCreatePagefilePrivilege	3492	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2044	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 2044	5088	JaffaCakes118_e36ee25a886ab47d94668ba8c0752178.exe	83
PID 5088 wrote to memory of 2044	5088	JaffaCakes118_e36ee25a886ab47d94668ba8c0752178.exe	83
PID 5088 wrote to memory of 2044	5088	JaffaCakes118_e36ee25a886ab47d94668ba8c0752178.exe	83
PID 5088 wrote to memory of 2044	5088	JaffaCakes118_e36ee25a886ab47d94668ba8c0752178.exe	83
PID 2044 wrote to memory of 3492	2044	winver.exe	56
PID 2044 wrote to memory of 2988	2044	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2988

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3492
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e36ee25a886ab47d94668ba8c0752178.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e36ee25a886ab47d94668ba8c0752178.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5088
- - 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:2044
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2044 -s 352
      4⤵
      Program crash
      PID:4308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2044 -ip 2044
1⤵
PID:2836

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/2044-5-0x0000000077BD2000-0x0000000077BD3000-memory.dmp

Filesize
4KB

Download
memory/2044-14-0x0000000002BB0000-0x0000000002BB6000-memory.dmp

Filesize
24KB

Download
memory/2044-11-0x0000000002BB0000-0x0000000002BB6000-memory.dmp

Filesize
24KB

Download
memory/2044-7-0x00007FFD1B1F0000-0x00007FFD1B3E5000-memory.dmp

Filesize
2.0MB

Download
memory/2988-15-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2988-13-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3492-3-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/3492-6-0x00007FFD1B28D000-0x00007FFD1B28E000-memory.dmp

Filesize
4KB

Download
memory/3492-2-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/5088-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/5088-9-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/5088-4-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/5088-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/5088-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download