tinba | 0c81de86734b9572a69818e7a3ebb50cacc4c460d676b5cf0f42b2647cfc7959

Analysis

max time kernel
149s
max time network
150s
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 19:23

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General

Target

JaffaCakes118_74ed2f0bbebd5a8fcba7538b754da0da.exe
Size

36KB
MD5

74ed2f0bbebd5a8fcba7538b754da0da
SHA1

e522ca3c6f63249a01bf9876b6050f3d5800eff3
SHA256

0c81de86734b9572a69818e7a3ebb50cacc4c460d676b5cf0f42b2647cfc7959
SHA512

0088f9199c65ca2012347552c13cc65d6209eedbb631e8c1bd286301966384690409cd6f29d067d466caaa111867fc15e4bf2148b29e3417103e89df1f1df271
SSDEEP

768:np22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J:npYoX58z1uirL98xMWnT0OQ9J

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AD900873 = "C:\\Users\\Admin\\AppData\\Roaming\\AD900873\\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/1724-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1356	844	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_74ed2f0bbebd5a8fcba7538b754da0da.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
844	winver.exe
844	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
844	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 844	1724	JaffaCakes118_74ed2f0bbebd5a8fcba7538b754da0da.exe	83
PID 1724 wrote to memory of 844	1724	JaffaCakes118_74ed2f0bbebd5a8fcba7538b754da0da.exe	83
PID 1724 wrote to memory of 844	1724	JaffaCakes118_74ed2f0bbebd5a8fcba7538b754da0da.exe	83
PID 1724 wrote to memory of 844	1724	JaffaCakes118_74ed2f0bbebd5a8fcba7538b754da0da.exe	83
PID 844 wrote to memory of 3488	844	winver.exe	56
PID 844 wrote to memory of 2832	844	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2832

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3488
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_74ed2f0bbebd5a8fcba7538b754da0da.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_74ed2f0bbebd5a8fcba7538b754da0da.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1724
- - 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:844
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 844 -s 352
      4⤵
      Program crash
      PID:1356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 844 -ip 844
1⤵
PID:1856

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/844-5-0x0000000077CA2000-0x0000000077CA3000-memory.dmp

Filesize
4KB

Download
memory/844-14-0x0000000000A10000-0x0000000000A16000-memory.dmp

Filesize
24KB

Download
memory/844-11-0x0000000000A10000-0x0000000000A16000-memory.dmp

Filesize
24KB

Download
memory/844-7-0x00007FFB463F0000-0x00007FFB465E5000-memory.dmp

Filesize
2.0MB

Download
memory/1724-9-0x0000000002390000-0x0000000002D90000-memory.dmp

Filesize
10.0MB

Download
memory/1724-4-0x0000000002390000-0x0000000002D90000-memory.dmp

Filesize
10.0MB

Download
memory/1724-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1724-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1724-1-0x0000000000520000-0x0000000000521000-memory.dmp

Filesize
4KB

Download
memory/2832-13-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/3488-6-0x00007FFB4648D000-0x00007FFB4648E000-memory.dmp

Filesize
4KB

Download
memory/3488-3-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/3488-2-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download