tinba | 56788eed2a0b2d40653fd8306448303c8a7949a6685179f9019a83833179c26c

Analysis

max time kernel
146s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-01-2025 14:26

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General

Target

JaffaCakes118_28b3544dfc61fe2d76062e54761f7447.exe
Size

160KB
MD5

28b3544dfc61fe2d76062e54761f7447
SHA1

104ef7ec6d20c9e372da64d46f2833eaea32173f
SHA256

56788eed2a0b2d40653fd8306448303c8a7949a6685179f9019a83833179c26c
SHA512

af2bd4c0b81b499ae4a9f292edeb00f204591900db5d40979db4e0a42a1fb45b7eb6615b84b13d668a7e446ea376dd6b9a42378532f3eda0c2407693a89bf412
SSDEEP

1536:XEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:0Y+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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9AEE5897 = "C:\\Users\\Admin\\AppData\\Roaming\\9AEE5897\\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/4808-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3716	4252	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_28b3544dfc61fe2d76062e54761f7447.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4252	winver.exe
4252	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4252	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 4252	4808	JaffaCakes118_28b3544dfc61fe2d76062e54761f7447.exe	84
PID 4808 wrote to memory of 4252	4808	JaffaCakes118_28b3544dfc61fe2d76062e54761f7447.exe	84
PID 4808 wrote to memory of 4252	4808	JaffaCakes118_28b3544dfc61fe2d76062e54761f7447.exe	84
PID 4808 wrote to memory of 4252	4808	JaffaCakes118_28b3544dfc61fe2d76062e54761f7447.exe	84
PID 4252 wrote to memory of 3488	4252	winver.exe	56
PID 4252 wrote to memory of 2652	4252	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2652

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3488
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_28b3544dfc61fe2d76062e54761f7447.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_28b3544dfc61fe2d76062e54761f7447.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4808
- - 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:4252
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4252 -s 352
      4⤵
      Program crash
      PID:3716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4252 -ip 4252
1⤵
PID:932

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/2652-13-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/3488-6-0x00007FFC7FCAD000-0x00007FFC7FCAE000-memory.dmp

Filesize
4KB

Download
memory/3488-3-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/3488-2-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/4252-5-0x00000000779B2000-0x00000000779B3000-memory.dmp

Filesize
4KB

Download
memory/4252-7-0x00007FFC7FC10000-0x00007FFC7FE05000-memory.dmp

Filesize
2.0MB

Download
memory/4252-11-0x0000000002B20000-0x0000000002B26000-memory.dmp

Filesize
24KB

Download
memory/4252-14-0x0000000002B20000-0x0000000002B26000-memory.dmp

Filesize
24KB

Download
memory/4808-4-0x0000000002140000-0x0000000002B40000-memory.dmp

Filesize
10.0MB

Download
memory/4808-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4808-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4808-9-0x0000000002140000-0x0000000002B40000-memory.dmp

Filesize
10.0MB

Download
memory/4808-1-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download