tinba | 766e2a8564cec4e592d714901f6066cf0024870dfbc162b4594f6ef6aa641680

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
26-11-2024 02:10

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General

Target

9f3c090861e8bb00de175170b4b4bf13_JaffaCakes118.exe
Size

160KB
MD5

9f3c090861e8bb00de175170b4b4bf13
SHA1

f4b23a1060de05c2e4a682bb61384fe6ff84ac05
SHA256

766e2a8564cec4e592d714901f6066cf0024870dfbc162b4594f6ef6aa641680
SHA512

2fb0453ebcd94fe5ab6e984d43322b60638615c64bc63c2c8bbda5197bfd015aed981b64387b5b7849bbe39d605ec7e8d9a490ede6270583d3bed14b86114f21
SSDEEP

1536:zEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:wY+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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\D8FB9DA9 = "C:\\Users\\Admin\\AppData\\Roaming\\D8FB9DA9\\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/2196-0-0x0000000000400000-0x0000000000428000-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	9f3c090861e8bb00de175170b4b4bf13_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe
2768	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2768	winver.exe
1236	Explorer.EXE
1236	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1236	Explorer.EXE
1236	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2768	2196	9f3c090861e8bb00de175170b4b4bf13_JaffaCakes118.exe	31
PID 2196 wrote to memory of 2768	2196	9f3c090861e8bb00de175170b4b4bf13_JaffaCakes118.exe	31
PID 2196 wrote to memory of 2768	2196	9f3c090861e8bb00de175170b4b4bf13_JaffaCakes118.exe	31
PID 2196 wrote to memory of 2768	2196	9f3c090861e8bb00de175170b4b4bf13_JaffaCakes118.exe	31
PID 2196 wrote to memory of 2768	2196	9f3c090861e8bb00de175170b4b4bf13_JaffaCakes118.exe	31
PID 2768 wrote to memory of 1236	2768	winver.exe	21
PID 2768 wrote to memory of 1112	2768	winver.exe	19
PID 2768 wrote to memory of 1176	2768	winver.exe	20
PID 2768 wrote to memory of 1236	2768	winver.exe	21
PID 2768 wrote to memory of 2040	2768	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1236
- C:\Users\Admin\AppData\Local\Temp\9f3c090861e8bb00de175170b4b4bf13_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\9f3c090861e8bb00de175170b4b4bf13_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2196
- - 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:2768

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/1112-32-0x0000000077931000-0x0000000077932000-memory.dmp

Filesize
4KB

Download
memory/1112-31-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1176-27-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1176-26-0x0000000077931000-0x0000000077932000-memory.dmp

Filesize
4KB

Download
memory/1176-37-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1176-28-0x0000000077931000-0x0000000077932000-memory.dmp

Filesize
4KB

Download
memory/1176-21-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1236-23-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1236-10-0x0000000077931000-0x0000000077932000-memory.dmp

Filesize
4KB

Download
memory/1236-3-0x0000000002B20000-0x0000000002B26000-memory.dmp

Filesize
24KB

Download
memory/1236-4-0x0000000002B20000-0x0000000002B26000-memory.dmp

Filesize
24KB

Download
memory/1236-33-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1236-2-0x0000000002B20000-0x0000000002B26000-memory.dmp

Filesize
24KB

Download
memory/2040-38-0x0000000001E30000-0x0000000001E36000-memory.dmp

Filesize
24KB

Download
memory/2040-30-0x0000000077931000-0x0000000077932000-memory.dmp

Filesize
4KB

Download
memory/2040-25-0x0000000001E30000-0x0000000001E36000-memory.dmp

Filesize
24KB

Download
memory/2040-29-0x0000000001E30000-0x0000000001E36000-memory.dmp

Filesize
24KB

Download
memory/2196-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2196-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2196-5-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/2196-13-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/2196-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2768-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2768-7-0x0000000077AE0000-0x0000000077AE1000-memory.dmp

Filesize
4KB

Download
memory/2768-8-0x0000000077ADF000-0x0000000077AE0000-memory.dmp

Filesize
4KB

Download
memory/2768-34-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2768-9-0x0000000077ADF000-0x0000000077AE1000-memory.dmp

Filesize
8KB

Download
memory/2768-11-0x00000000778E0000-0x0000000077A89000-memory.dmp

Filesize
1.7MB

Download