tinba | dff7a4739d71ce9f176e8524d9daa6caef262f767c6feed92902526ff8cdd8d9

Analysis

max time kernel
146s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 09:14

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General

Target

JaffaCakes118_78dd9c61cfb80276801ba9874b9badbd.exe
Size

34KB
MD5

78dd9c61cfb80276801ba9874b9badbd
SHA1

805724f67ae49d4949d751aeabf0f867069bb194
SHA256

dff7a4739d71ce9f176e8524d9daa6caef262f767c6feed92902526ff8cdd8d9
SHA512

09293151606d66516b23f85cf605c5d38995b091f924f6aefc0bb88dcec0ed01e8e8c08621d5c12fe9f2a4211f01d8483a8136045e7feb1d19afa38d7db3c8d4
SSDEEP

768:Yp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:YpYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D75AC497 = "C:\\Users\\Admin\\AppData\\Roaming\\D75AC497\\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
5036	5092	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_78dd9c61cfb80276801ba9874b9badbd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5092	winver.exe
5092	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
5092	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4028 wrote to memory of 5092	4028	JaffaCakes118_78dd9c61cfb80276801ba9874b9badbd.exe	83
PID 4028 wrote to memory of 5092	4028	JaffaCakes118_78dd9c61cfb80276801ba9874b9badbd.exe	83
PID 4028 wrote to memory of 5092	4028	JaffaCakes118_78dd9c61cfb80276801ba9874b9badbd.exe	83
PID 4028 wrote to memory of 5092	4028	JaffaCakes118_78dd9c61cfb80276801ba9874b9badbd.exe	83
PID 5092 wrote to memory of 3432	5092	winver.exe	56
PID 5092 wrote to memory of 3064	5092	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3064

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78dd9c61cfb80276801ba9874b9badbd.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78dd9c61cfb80276801ba9874b9badbd.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:5092
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5092 -s 356
      4⤵
      Program crash
      PID:5036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 5092 -ip 5092
1⤵
PID:1384

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/3064-16-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/3064-14-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/3432-6-0x00007FFB4EA0D000-0x00007FFB4EA0E000-memory.dmp

Filesize
4KB

Download
memory/3432-3-0x0000000000910000-0x0000000000916000-memory.dmp

Filesize
24KB

Download
memory/3432-2-0x0000000000910000-0x0000000000916000-memory.dmp

Filesize
24KB

Download
memory/4028-10-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/4028-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

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

Filesize
92KB

Download
memory/4028-4-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/4028-1-0x00000000007C0000-0x00000000007C1000-memory.dmp

Filesize
4KB

Download
memory/5092-5-0x0000000077052000-0x0000000077053000-memory.dmp

Filesize
4KB

Download
memory/5092-7-0x00007FFB4E970000-0x00007FFB4EB65000-memory.dmp

Filesize
2.0MB

Download
memory/5092-12-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/5092-15-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download