tinba | 8064eebb7e87256c9356e47495b031a9180c5579bd56d12c8ecf3ecb53f6e983

Analysis

max time kernel
148s
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 01:43

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General

Target

JaffaCakes118_d7a158528d8f5bcb1d162756abe5a930.exe
Size

34KB
MD5

d7a158528d8f5bcb1d162756abe5a930
SHA1

3e933cc7507b007e13ac8dc06af6437aa3eead9b
SHA256

8064eebb7e87256c9356e47495b031a9180c5579bd56d12c8ecf3ecb53f6e983
SHA512

c5f1a0f3fea0749431e477d128f27890be286a277644ec70c3185db1d81a97cd73630432bf2ad02907679dbb15b6ce81800f64ebfacdaac1cb68556d767e7810
SSDEEP

768:jp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:jpYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7AFFB2EE = "C:\\Users\\Admin\\AppData\\Roaming\\7AFFB2EE\\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/4028-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1768	1836	WerFault.exe	86

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_d7a158528d8f5bcb1d162756abe5a930.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1836	winver.exe
1836	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1836	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4028 wrote to memory of 1836	4028	JaffaCakes118_d7a158528d8f5bcb1d162756abe5a930.exe	86
PID 4028 wrote to memory of 1836	4028	JaffaCakes118_d7a158528d8f5bcb1d162756abe5a930.exe	86
PID 4028 wrote to memory of 1836	4028	JaffaCakes118_d7a158528d8f5bcb1d162756abe5a930.exe	86
PID 4028 wrote to memory of 1836	4028	JaffaCakes118_d7a158528d8f5bcb1d162756abe5a930.exe	86
PID 1836 wrote to memory of 3472	1836	winver.exe	56
PID 1836 wrote to memory of 2648	1836	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2648

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3472
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d7a158528d8f5bcb1d162756abe5a930.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d7a158528d8f5bcb1d162756abe5a930.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4028
- - 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:1836
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1836 -s 352
      4⤵
      Program crash
      PID:1768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1836 -ip 1836
1⤵
PID:4240

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/1836-5-0x0000000077C42000-0x0000000077C43000-memory.dmp

Filesize
4KB

Download
memory/1836-14-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download
memory/1836-11-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download
memory/1836-7-0x00007FFD83130000-0x00007FFD83325000-memory.dmp

Filesize
2.0MB

Download
memory/2648-13-0x0000000000FE0000-0x0000000000FE6000-memory.dmp

Filesize
24KB

Download
memory/3472-2-0x0000000001490000-0x0000000001496000-memory.dmp

Filesize
24KB

Download
memory/3472-6-0x00007FFD831CD000-0x00007FFD831CE000-memory.dmp

Filesize
4KB

Download
memory/3472-3-0x0000000001490000-0x0000000001496000-memory.dmp

Filesize
24KB

Download
memory/4028-4-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/4028-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4028-9-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/4028-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4028-1-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download