tinba | a8b35391493b0fb6f8ba6ab4c71946eab7040cb6cabf15ecedf698cc1dbac10c

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 11:59

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General

Target

JaffaCakes118_19db627b8604bee18beca5c511890f6c.exe
Size

89KB
MD5

19db627b8604bee18beca5c511890f6c
SHA1

32b22df29f2f402b953888c103fef5f8be2c2b95
SHA256

a8b35391493b0fb6f8ba6ab4c71946eab7040cb6cabf15ecedf698cc1dbac10c
SHA512

843241da27044d5d9d57692613b246b6cb7fd30eeb17ea534f6f77da83a90ad8bae8c14e12880aeab0ea9ffd2bb38de8067cea17403249a53f700e5f1646b639
SSDEEP

1536:kr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:m+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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\4A578314 = "C:\\Users\\Admin\\AppData\\Roaming\\4A578314\\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/2388-0-0x0000000000400000-0x0000000000418000-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_19db627b8604bee18beca5c511890f6c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3028	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 3028	2388	JaffaCakes118_19db627b8604bee18beca5c511890f6c.exe	31
PID 2388 wrote to memory of 3028	2388	JaffaCakes118_19db627b8604bee18beca5c511890f6c.exe	31
PID 2388 wrote to memory of 3028	2388	JaffaCakes118_19db627b8604bee18beca5c511890f6c.exe	31
PID 2388 wrote to memory of 3028	2388	JaffaCakes118_19db627b8604bee18beca5c511890f6c.exe	31
PID 2388 wrote to memory of 3028	2388	JaffaCakes118_19db627b8604bee18beca5c511890f6c.exe	31
PID 3028 wrote to memory of 1192	3028	winver.exe	21
PID 3028 wrote to memory of 1104	3028	winver.exe	19
PID 3028 wrote to memory of 1160	3028	winver.exe	20
PID 3028 wrote to memory of 1192	3028	winver.exe	21
PID 3028 wrote to memory of 1388	3028	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19db627b8604bee18beca5c511890f6c.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19db627b8604bee18beca5c511890f6c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2388
- - 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:3028

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1388

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/1104-24-0x0000000077231000-0x0000000077232000-memory.dmp

Filesize
4KB

Download
memory/1104-23-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1160-20-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1160-32-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1192-10-0x0000000077231000-0x0000000077232000-memory.dmp

Filesize
4KB

Download
memory/1192-28-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1192-4-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1192-22-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1388-30-0x0000000077231000-0x0000000077232000-memory.dmp

Filesize
4KB

Download
memory/1388-29-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/1388-27-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/2388-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2388-13-0x0000000001EC0000-0x00000000028C0000-memory.dmp

Filesize
10.0MB

Download
memory/2388-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2388-5-0x0000000001EC0000-0x00000000028C0000-memory.dmp

Filesize
10.0MB

Download
memory/2388-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3028-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/3028-7-0x00000000773E0000-0x00000000773E1000-memory.dmp

Filesize
4KB

Download
memory/3028-8-0x00000000773DF000-0x00000000773E0000-memory.dmp

Filesize
4KB

Download
memory/3028-9-0x00000000773DF000-0x00000000773E1000-memory.dmp

Filesize
8KB

Download
memory/3028-11-0x00000000771E0000-0x0000000077389000-memory.dmp

Filesize
1.7MB

Download
memory/3028-31-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/3028-37-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download