tinba | d7c0e2e8596cbbb5d5b93690ee0a20e8e2f3d89398eed6bcfd54507327bd58b8

Analysis

max time kernel
148s
max time network
146s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 14:31

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General

Target

JaffaCakes118_21df4e38b2a367273b1bb8907aa9bb3d.exe
Size

592KB
MD5

21df4e38b2a367273b1bb8907aa9bb3d
SHA1

073399a1b96d9f9d4d24cb7f4c3b31be2d772ae1
SHA256

d7c0e2e8596cbbb5d5b93690ee0a20e8e2f3d89398eed6bcfd54507327bd58b8
SHA512

9d3a75c579779b410dad31b86c8bdd7d635f0aad6f88b395b121fc235da2b7275c4de2f437d5b64a513593871329109335e74275963e6d2d38e5083539664514
SSDEEP

6144:HCE6/mUXJ531nIUliViSZbLhaZfvMlLXICg2vj7OyzWxzRazUE1K52u8iqUNr6:p6TOUMBQf0ljW2vj7OyzoRaA+e

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\A44A94DC = "C:\\Users\\Admin\\AppData\\Roaming\\A44A94DC\\bin.exe"	winver.exe

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_21df4e38b2a367273b1bb8907aa9bb3d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe
2144	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2144	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 UnmapMainImage 1 IoCs

pid	Process
2932	JaffaCakes118_21df4e38b2a367273b1bb8907aa9bb3d.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2144	2932	JaffaCakes118_21df4e38b2a367273b1bb8907aa9bb3d.exe	31
PID 2932 wrote to memory of 2144	2932	JaffaCakes118_21df4e38b2a367273b1bb8907aa9bb3d.exe	31
PID 2932 wrote to memory of 2144	2932	JaffaCakes118_21df4e38b2a367273b1bb8907aa9bb3d.exe	31
PID 2932 wrote to memory of 2144	2932	JaffaCakes118_21df4e38b2a367273b1bb8907aa9bb3d.exe	31
PID 2932 wrote to memory of 2144	2932	JaffaCakes118_21df4e38b2a367273b1bb8907aa9bb3d.exe	31
PID 2144 wrote to memory of 1236	2144	winver.exe	21
PID 2144 wrote to memory of 1116	2144	winver.exe	19
PID 2144 wrote to memory of 1164	2144	winver.exe	20
PID 2144 wrote to memory of 1236	2144	winver.exe	21
PID 2144 wrote to memory of 1516	2144	winver.exe	25
PID 2144 wrote to memory of 2932	2144	winver.exe	30

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

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\JaffaCakes118_21df4e38b2a367273b1bb8907aa9bb3d.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21df4e38b2a367273b1bb8907aa9bb3d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2932
- - 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:2144

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1516

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/1116-31-0x00000000001B0000-0x00000000001B7000-memory.dmp

Filesize
28KB

Download
memory/1116-18-0x00000000001B0000-0x00000000001B7000-memory.dmp

Filesize
28KB

Download
memory/1164-21-0x00000000001B0000-0x00000000001B7000-memory.dmp

Filesize
28KB

Download
memory/1164-28-0x00000000001B0000-0x00000000001B7000-memory.dmp

Filesize
28KB

Download
memory/1164-29-0x0000000077BA1000-0x0000000077BA2000-memory.dmp

Filesize
4KB

Download
memory/1236-7-0x00000000025E0000-0x00000000025E7000-memory.dmp

Filesize
28KB

Download
memory/1236-14-0x0000000077BA1000-0x0000000077BA2000-memory.dmp

Filesize
4KB

Download
memory/1236-30-0x00000000025F0000-0x00000000025F7000-memory.dmp

Filesize
28KB

Download
memory/1236-4-0x00000000025E0000-0x00000000025E7000-memory.dmp

Filesize
28KB

Download
memory/1236-3-0x00000000025E0000-0x00000000025E7000-memory.dmp

Filesize
28KB

Download
memory/1236-24-0x00000000025F0000-0x00000000025F7000-memory.dmp

Filesize
28KB

Download
memory/1516-26-0x0000000001CE0000-0x0000000001CE7000-memory.dmp

Filesize
28KB

Download
memory/1516-32-0x0000000001CE0000-0x0000000001CE7000-memory.dmp

Filesize
28KB

Download
memory/1516-33-0x0000000077BA1000-0x0000000077BA2000-memory.dmp

Filesize
4KB

Download
memory/2144-12-0x0000000077D4F000-0x0000000077D51000-memory.dmp

Filesize
8KB

Download
memory/2144-10-0x0000000077D50000-0x0000000077D51000-memory.dmp

Filesize
4KB

Download
memory/2144-9-0x00000000000B0000-0x00000000000B7000-memory.dmp

Filesize
28KB

Download
memory/2144-11-0x0000000077D4F000-0x0000000077D50000-memory.dmp

Filesize
4KB

Download
memory/2144-13-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download
memory/2144-5-0x00000000000B0000-0x00000000000B7000-memory.dmp

Filesize
28KB

Download
memory/2144-15-0x0000000077B50000-0x0000000077CF9000-memory.dmp

Filesize
1.7MB

Download
memory/2144-36-0x00000000000B0000-0x00000000000B7000-memory.dmp

Filesize
28KB

Download
memory/2932-0-0x0000000000410000-0x0000000000413000-memory.dmp

Filesize
12KB

Download
memory/2932-2-0x0000000000230000-0x0000000000232000-memory.dmp

Filesize
8KB

Download
memory/2932-8-0x00000000020C0000-0x0000000002AC0000-memory.dmp

Filesize
10.0MB

Download
memory/2932-1-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2932-34-0x00000000020C0000-0x0000000002AC0000-memory.dmp

Filesize
10.0MB

Download