tinba | 4c5d42035c6e7c5830564abd41daf52640393333c210d111b2039a1db80d696a

Analysis

max time kernel
146s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-01-2025 05:18

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General

Target

JaffaCakes118_8de997ffe6cf67c888a324c8d7b160a0.exe
Size

89KB
MD5

8de997ffe6cf67c888a324c8d7b160a0
SHA1

e69a08371234330518a865c225f99c6a6c1bf391
SHA256

4c5d42035c6e7c5830564abd41daf52640393333c210d111b2039a1db80d696a
SHA512

bd4990350e00a9d7f21f2a46fa55e0a0b8ab07e20634e99dbd36c63becb23b10d1ce7676a0f45e75f26811ab765cd4f051d292309da3c4cf14331b64c92d843d
SSDEEP

1536:Cr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:k+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\0C3380DE = "C:\\Users\\Admin\\AppData\\Roaming\\0C3380DE\\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/4528-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
408	1344	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_8de997ffe6cf67c888a324c8d7b160a0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1344	winver.exe
1344	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1344	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4528 wrote to memory of 1344	4528	JaffaCakes118_8de997ffe6cf67c888a324c8d7b160a0.exe	84
PID 4528 wrote to memory of 1344	4528	JaffaCakes118_8de997ffe6cf67c888a324c8d7b160a0.exe	84
PID 4528 wrote to memory of 1344	4528	JaffaCakes118_8de997ffe6cf67c888a324c8d7b160a0.exe	84
PID 4528 wrote to memory of 1344	4528	JaffaCakes118_8de997ffe6cf67c888a324c8d7b160a0.exe	84
PID 1344 wrote to memory of 3432	1344	winver.exe	56
PID 1344 wrote to memory of 2296	1344	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2296

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8de997ffe6cf67c888a324c8d7b160a0.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8de997ffe6cf67c888a324c8d7b160a0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4528
- - 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:1344
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 352
      4⤵
      Program crash
      PID:408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1344 -ip 1344
1⤵
PID:5084

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/1344-8-0x00007FFA56790000-0x00007FFA56985000-memory.dmp

Filesize
2.0MB

Download
memory/1344-15-0x0000000000F40000-0x0000000000F46000-memory.dmp

Filesize
24KB

Download
memory/1344-6-0x00000000775B2000-0x00000000775B3000-memory.dmp

Filesize
4KB

Download
memory/1344-5-0x0000000000F40000-0x0000000000F46000-memory.dmp

Filesize
24KB

Download
memory/2296-14-0x0000000000F30000-0x0000000000F36000-memory.dmp

Filesize
24KB

Download
memory/3432-2-0x0000000000F60000-0x0000000000F66000-memory.dmp

Filesize
24KB

Download
memory/3432-3-0x0000000000F60000-0x0000000000F66000-memory.dmp

Filesize
24KB

Download
memory/3432-7-0x00007FFA5682D000-0x00007FFA5682E000-memory.dmp

Filesize
4KB

Download
memory/4528-4-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/4528-9-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4528-10-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/4528-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4528-1-0x00000000009C0000-0x00000000009C1000-memory.dmp

Filesize
4KB

Download