tinba | 8f18579f0105ed8a536d420890a2a021645d1701c612bdf751e97c18d3d8b35e

Analysis

max time kernel
150s
max time network
149s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31/12/2024, 18:17

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General

Target

JaffaCakes118_2e13031ac8a85e98906a128c1940ad60.exe
Size

89KB
MD5

2e13031ac8a85e98906a128c1940ad60
SHA1

a8de1a07503fd9111fe44c7025d8f6b31841345a
SHA256

8f18579f0105ed8a536d420890a2a021645d1701c612bdf751e97c18d3d8b35e
SHA512

fb5b11a82aba95d049dcbe95daeefe79011dae40dd088d012175fcc706ba3c55d2fabf476143f5f6f4d6bb248b1898ca5d091ca51057df38eafc45aca7fb4367
SSDEEP

1536:Ur+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:W+4MJIkLZJNAQ9Jo9e

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\D3FE4D02 = "C:\\Users\\Admin\\AppData\\Roaming\\D3FE4D02\\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/1064-0-0x0000000000400000-0x0000000000418000-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_2e13031ac8a85e98906a128c1940ad60.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe
2448	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2448	winver.exe
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 2448	1064	JaffaCakes118_2e13031ac8a85e98906a128c1940ad60.exe	31
PID 1064 wrote to memory of 2448	1064	JaffaCakes118_2e13031ac8a85e98906a128c1940ad60.exe	31
PID 1064 wrote to memory of 2448	1064	JaffaCakes118_2e13031ac8a85e98906a128c1940ad60.exe	31
PID 1064 wrote to memory of 2448	1064	JaffaCakes118_2e13031ac8a85e98906a128c1940ad60.exe	31
PID 1064 wrote to memory of 2448	1064	JaffaCakes118_2e13031ac8a85e98906a128c1940ad60.exe	31
PID 2448 wrote to memory of 1256	2448	winver.exe	21
PID 2448 wrote to memory of 1128	2448	winver.exe	19
PID 2448 wrote to memory of 1204	2448	winver.exe	20
PID 2448 wrote to memory of 1256	2448	winver.exe	21
PID 2448 wrote to memory of 1092	2448	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1204

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1256
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2e13031ac8a85e98906a128c1940ad60.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2e13031ac8a85e98906a128c1940ad60.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1064
- - 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:2448

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1092

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/1064-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1064-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1064-5-0x0000000001CA0000-0x00000000026A0000-memory.dmp

Filesize
10.0MB

Download
memory/1064-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1064-13-0x0000000001CA0000-0x00000000026A0000-memory.dmp

Filesize
10.0MB

Download
memory/1092-24-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/1092-28-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/1092-29-0x0000000076EB1000-0x0000000076EB2000-memory.dmp

Filesize
4KB

Download
memory/1128-25-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1128-26-0x0000000076EB1000-0x0000000076EB2000-memory.dmp

Filesize
4KB

Download
memory/1204-30-0x0000000076EB1000-0x0000000076EB2000-memory.dmp

Filesize
4KB

Download
memory/1204-20-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1204-32-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1256-27-0x0000000002770000-0x0000000002776000-memory.dmp

Filesize
24KB

Download
memory/1256-4-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1256-3-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1256-22-0x0000000002770000-0x0000000002776000-memory.dmp

Filesize
24KB

Download
memory/1256-2-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1256-10-0x0000000076EB1000-0x0000000076EB2000-memory.dmp

Filesize
4KB

Download
memory/2448-31-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2448-7-0x0000000077060000-0x0000000077061000-memory.dmp

Filesize
4KB

Download
memory/2448-11-0x0000000076E60000-0x0000000077009000-memory.dmp

Filesize
1.7MB

Download
memory/2448-6-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2448-9-0x000000007705F000-0x0000000077061000-memory.dmp

Filesize
8KB

Download
memory/2448-8-0x000000007705F000-0x0000000077060000-memory.dmp

Filesize
4KB

Download