tinba | 9665ac0b24820659138141c4c5de13e688e41306aeea4f8dabe42c7bb22ba27b

Analysis

max time kernel
149s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 08:44

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General

Target

JaffaCakes118_9689eebb08eb1d5f27babf60be28f2d0.exe
Size

160KB
MD5

9689eebb08eb1d5f27babf60be28f2d0
SHA1

3acd0b4f169094796af4908a619d57d0e42ac174
SHA256

9665ac0b24820659138141c4c5de13e688e41306aeea4f8dabe42c7bb22ba27b
SHA512

d987e7ca2f46848c7366b1b5d28e5a6a3b1659034d1184e506f68239ac0106a35cacbf62dcfcd1910fbf7ca7b55c6571e7bc4bddca7f4924c930e09ee4911702
SSDEEP

1536:iEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:pY+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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\9516576D = "C:\\Users\\Admin\\AppData\\Roaming\\9516576D\\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/2372-0-0x0000000000400000-0x0000000000428000-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_9689eebb08eb1d5f27babf60be28f2d0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe
2256	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2256	winver.exe
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2256	2372	JaffaCakes118_9689eebb08eb1d5f27babf60be28f2d0.exe	32
PID 2372 wrote to memory of 2256	2372	JaffaCakes118_9689eebb08eb1d5f27babf60be28f2d0.exe	32
PID 2372 wrote to memory of 2256	2372	JaffaCakes118_9689eebb08eb1d5f27babf60be28f2d0.exe	32
PID 2372 wrote to memory of 2256	2372	JaffaCakes118_9689eebb08eb1d5f27babf60be28f2d0.exe	32
PID 2372 wrote to memory of 2256	2372	JaffaCakes118_9689eebb08eb1d5f27babf60be28f2d0.exe	32
PID 2256 wrote to memory of 1196	2256	winver.exe	21
PID 2256 wrote to memory of 1108	2256	winver.exe	19
PID 2256 wrote to memory of 1172	2256	winver.exe	20
PID 2256 wrote to memory of 1196	2256	winver.exe	21
PID 2256 wrote to memory of 1636	2256	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1196
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9689eebb08eb1d5f27babf60be28f2d0.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9689eebb08eb1d5f27babf60be28f2d0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2372
- - 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:2256

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1636

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/1108-26-0x0000000002030000-0x0000000002036000-memory.dmp

Filesize
24KB

Download
memory/1108-27-0x0000000077AF1000-0x0000000077AF2000-memory.dmp

Filesize
4KB

Download
memory/1172-29-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1172-21-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1196-30-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x0000000002D40000-0x0000000002D46000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002D40000-0x0000000002D46000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002D40000-0x0000000002D46000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x0000000077AF1000-0x0000000077AF2000-memory.dmp

Filesize
4KB

Download
memory/1196-23-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download
memory/1636-32-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1636-25-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1636-31-0x0000000077AF1000-0x0000000077AF2000-memory.dmp

Filesize
4KB

Download
memory/2256-11-0x0000000077AA0000-0x0000000077C49000-memory.dmp

Filesize
1.7MB

Download
memory/2256-28-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2256-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2256-7-0x0000000077CA0000-0x0000000077CA1000-memory.dmp

Filesize
4KB

Download
memory/2256-8-0x0000000077C9F000-0x0000000077CA0000-memory.dmp

Filesize
4KB

Download
memory/2256-9-0x0000000077C9F000-0x0000000077CA1000-memory.dmp

Filesize
8KB

Download
memory/2256-37-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2372-13-0x0000000001E80000-0x0000000002880000-memory.dmp

Filesize
10.0MB

Download
memory/2372-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2372-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2372-5-0x0000000001E80000-0x0000000002880000-memory.dmp

Filesize
10.0MB

Download
memory/2372-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download