tinba | 83e22e8780eea945eaca041a1ad45e5dc83a286d9366dc9c4b15bf68a9c4a758

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-01-2025 16:23

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General

Target

JaffaCakes118_e8ba29eed7f3314d0aa91bb9a112aa93.exe
Size

36KB
MD5

e8ba29eed7f3314d0aa91bb9a112aa93
SHA1

3a2fe759163491954117ce29f282c2fc013a5d81
SHA256

83e22e8780eea945eaca041a1ad45e5dc83a286d9366dc9c4b15bf68a9c4a758
SHA512

bb3eacb6548795c241ab437eba5a1d25a969e1a8cbcfd8b6cf7bd975f78cfdaaaf3bac9b42e6c234764c6006b9e183731f160be8d1c8f8b698cc836953cbcf1e
SSDEEP

768:3p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J:3pYoX58z1uirL98xMWnT0OQ9J

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\7307980A = "C:\\Users\\Admin\\AppData\\Roaming\\7307980A\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2988-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

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_e8ba29eed7f3314d0aa91bb9a112aa93.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe
2184	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2184	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 2184	2988	JaffaCakes118_e8ba29eed7f3314d0aa91bb9a112aa93.exe	32
PID 2988 wrote to memory of 2184	2988	JaffaCakes118_e8ba29eed7f3314d0aa91bb9a112aa93.exe	32
PID 2988 wrote to memory of 2184	2988	JaffaCakes118_e8ba29eed7f3314d0aa91bb9a112aa93.exe	32
PID 2988 wrote to memory of 2184	2988	JaffaCakes118_e8ba29eed7f3314d0aa91bb9a112aa93.exe	32
PID 2988 wrote to memory of 2184	2988	JaffaCakes118_e8ba29eed7f3314d0aa91bb9a112aa93.exe	32
PID 2184 wrote to memory of 1144	2184	winver.exe	20
PID 2184 wrote to memory of 1072	2184	winver.exe	17
PID 2184 wrote to memory of 1084	2184	winver.exe	18
PID 2184 wrote to memory of 1144	2184	winver.exe	20
PID 2184 wrote to memory of 2040	2184	winver.exe	23

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1072

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1084

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1144
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e8ba29eed7f3314d0aa91bb9a112aa93.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e8ba29eed7f3314d0aa91bb9a112aa93.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2988
- - 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:2184

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2040

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/1072-26-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1072-27-0x00000000772F1000-0x00000000772F2000-memory.dmp

Filesize
4KB

Download
memory/1084-28-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/1084-21-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/1144-3-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1144-10-0x00000000772F1000-0x00000000772F2000-memory.dmp

Filesize
4KB

Download
memory/1144-2-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1144-4-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

Filesize
24KB

Download
memory/1144-23-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1144-30-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/2040-32-0x00000000772F1000-0x00000000772F2000-memory.dmp

Filesize
4KB

Download
memory/2040-31-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2040-25-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2184-9-0x000000007749F000-0x00000000774A1000-memory.dmp

Filesize
8KB

Download
memory/2184-29-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2184-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2184-7-0x00000000774A0000-0x00000000774A1000-memory.dmp

Filesize
4KB

Download
memory/2184-8-0x000000007749F000-0x00000000774A0000-memory.dmp

Filesize
4KB

Download
memory/2184-11-0x00000000772A0000-0x0000000077449000-memory.dmp

Filesize
1.7MB

Download
memory/2988-13-0x0000000001D10000-0x0000000002710000-memory.dmp

Filesize
10.0MB

Download
memory/2988-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2988-5-0x0000000001D10000-0x0000000002710000-memory.dmp

Filesize
10.0MB

Download
memory/2988-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2988-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download