tinba | 16c69bbe06805e8a64fd621aa24c8db040dee4de485a1101c55b71417120bf41

Analysis

max time kernel
146s
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
07-01-2025 00:09

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General

Target

JaffaCakes118_424870471d39da69df24911c2d612b50.exe
Size

89KB
MD5

424870471d39da69df24911c2d612b50
SHA1

df46d4acca631f384fc169ef501a06dcecf88603
SHA256

16c69bbe06805e8a64fd621aa24c8db040dee4de485a1101c55b71417120bf41
SHA512

3d5cc6b914c99e5e48cc8e15c748db7b47bb1a1713399ee6615a7872dff8d10cb9c3eaacdeae1cd5b95eaf85c9b8814ab69bc5ee1db0d189f74400f7ace991e6
SSDEEP

1536:Kr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:M+4MJIkLZJNAQ9Jo9e

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BBD58449 = "C:\\Users\\Admin\\AppData\\Roaming\\BBD58449\\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/3752-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4228	1756	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_424870471d39da69df24911c2d612b50.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1756	winver.exe
1756	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
1756	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3752 wrote to memory of 1756	3752	JaffaCakes118_424870471d39da69df24911c2d612b50.exe	83
PID 3752 wrote to memory of 1756	3752	JaffaCakes118_424870471d39da69df24911c2d612b50.exe	83
PID 3752 wrote to memory of 1756	3752	JaffaCakes118_424870471d39da69df24911c2d612b50.exe	83
PID 3752 wrote to memory of 1756	3752	JaffaCakes118_424870471d39da69df24911c2d612b50.exe	83
PID 1756 wrote to memory of 3492	1756	winver.exe	56
PID 1756 wrote to memory of 2476	1756	winver.exe	43

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2476

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3492
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_424870471d39da69df24911c2d612b50.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_424870471d39da69df24911c2d612b50.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3752
- - 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:1756
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1756 -s 352
      4⤵
      Program crash
      PID:4228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1756 -ip 1756
1⤵
PID:848

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/1756-5-0x0000000077AA2000-0x0000000077AA3000-memory.dmp

Filesize
4KB

Download
memory/1756-14-0x0000000002C90000-0x0000000002C96000-memory.dmp

Filesize
24KB

Download
memory/1756-11-0x0000000002C90000-0x0000000002C96000-memory.dmp

Filesize
24KB

Download
memory/1756-7-0x00007FFA46790000-0x00007FFA46985000-memory.dmp

Filesize
2.0MB

Download
memory/2476-13-0x00000000009F0000-0x00000000009F6000-memory.dmp

Filesize
24KB

Download
memory/3492-6-0x00007FFA4682D000-0x00007FFA4682E000-memory.dmp

Filesize
4KB

Download
memory/3492-2-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

Download
memory/3492-3-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

Download
memory/3752-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3752-4-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/3752-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3752-9-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/3752-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download