tinba | f898d36e30c5a0cc871968fffc7cc99f3e7f650c6248ce866353dd318c0908da

Analysis

max time kernel
148s
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 23:15

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General

Target

JaffaCakes118_7e769d2a9a17dbb2a1909e64d1e9b028.exe
Size

160KB
MD5

7e769d2a9a17dbb2a1909e64d1e9b028
SHA1

9a26e1c67ca0015ff3ebd043305b8e2f335b2e12
SHA256

f898d36e30c5a0cc871968fffc7cc99f3e7f650c6248ce866353dd318c0908da
SHA512

6d18dd16ea37f922ddb154fd43797a01238d47ba6480960525d0d163176c634aaf98b0c65ab084f2d3db9850902f664b5b6f1a8948ee4082a2d1871a30dcef12
SSDEEP

1536:4EY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:7Y+4MiIkLZJNAQ9J6v

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B1F1D103 = "C:\\Users\\Admin\\AppData\\Roaming\\B1F1D103\\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/3736-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4208	2024	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_7e769d2a9a17dbb2a1909e64d1e9b028.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2024	winver.exe
2024	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2024	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3736 wrote to memory of 2024	3736	JaffaCakes118_7e769d2a9a17dbb2a1909e64d1e9b028.exe	84
PID 3736 wrote to memory of 2024	3736	JaffaCakes118_7e769d2a9a17dbb2a1909e64d1e9b028.exe	84
PID 3736 wrote to memory of 2024	3736	JaffaCakes118_7e769d2a9a17dbb2a1909e64d1e9b028.exe	84
PID 3736 wrote to memory of 2024	3736	JaffaCakes118_7e769d2a9a17dbb2a1909e64d1e9b028.exe	84
PID 2024 wrote to memory of 3524	2024	winver.exe	56
PID 2024 wrote to memory of 2540	2024	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2540

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3524
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7e769d2a9a17dbb2a1909e64d1e9b028.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7e769d2a9a17dbb2a1909e64d1e9b028.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3736
- - 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:2024
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 352
      4⤵
      Program crash
      PID:4208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2024 -ip 2024
1⤵
PID:3584

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

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Downloads

memory/2024-5-0x0000000077252000-0x0000000077253000-memory.dmp

Filesize
4KB

Download
memory/2024-14-0x0000000002940000-0x0000000002946000-memory.dmp

Filesize
24KB

Download
memory/2024-11-0x0000000002940000-0x0000000002946000-memory.dmp

Filesize
24KB

Download
memory/2024-7-0x00007FFB60E70000-0x00007FFB61065000-memory.dmp

Filesize
2.0MB

Download
memory/2540-13-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/3524-2-0x0000000000E80000-0x0000000000E86000-memory.dmp

Filesize
24KB

Download
memory/3524-6-0x00007FFB60F0D000-0x00007FFB60F0E000-memory.dmp

Filesize
4KB

Download
memory/3524-3-0x0000000000E80000-0x0000000000E86000-memory.dmp

Filesize
24KB

Download
memory/3736-4-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/3736-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3736-9-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/3736-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3736-1-0x0000000000440000-0x0000000000441000-memory.dmp

Filesize
4KB

Download