tinba | ee50df657f26082f921f12163a73ac54894ced9dafc584918c1c3ac2081aec1e

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 02:04

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General

Target

JaffaCakes118_007858bb8636728bd564d4e82cf70b51.exe
Size

88KB
MD5

007858bb8636728bd564d4e82cf70b51
SHA1

96d607ffd5d1d2f69a844d37808a01fe3d51b980
SHA256

ee50df657f26082f921f12163a73ac54894ced9dafc584918c1c3ac2081aec1e
SHA512

e95e21727474bcbfad5b5e2bf9e8cd7ee32036c4bf3189c701247b0102cc5ca41f7d0b4e8698f8b22c147eaa8fd83476ad8b42f36f0aa9ccd94ee71f72c56af7
SSDEEP

1536:55nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:55fvp12UFKcD/6jwqWsN

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\8AF134F3 = "C:\\Users\\Admin\\AppData\\Roaming\\8AF134F3\\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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_007858bb8636728bd564d4e82cf70b51.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe
2296	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2296	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 2296	1884	JaffaCakes118_007858bb8636728bd564d4e82cf70b51.exe	29
PID 1884 wrote to memory of 2296	1884	JaffaCakes118_007858bb8636728bd564d4e82cf70b51.exe	29
PID 1884 wrote to memory of 2296	1884	JaffaCakes118_007858bb8636728bd564d4e82cf70b51.exe	29
PID 1884 wrote to memory of 2296	1884	JaffaCakes118_007858bb8636728bd564d4e82cf70b51.exe	29
PID 1884 wrote to memory of 2296	1884	JaffaCakes118_007858bb8636728bd564d4e82cf70b51.exe	29
PID 2296 wrote to memory of 1212	2296	winver.exe	21
PID 2296 wrote to memory of 1120	2296	winver.exe	19
PID 2296 wrote to memory of 1180	2296	winver.exe	20
PID 2296 wrote to memory of 1212	2296	winver.exe	21
PID 2296 wrote to memory of 1692	2296	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_007858bb8636728bd564d4e82cf70b51.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_007858bb8636728bd564d4e82cf70b51.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1884
- - 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:2296

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1692

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/1120-24-0x0000000076F31000-0x0000000076F32000-memory.dmp

Filesize
4KB

Download
memory/1120-23-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1180-20-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1180-27-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1212-1-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1212-26-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1212-9-0x0000000076F31000-0x0000000076F32000-memory.dmp

Filesize
4KB

Download
memory/1212-22-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1692-32-0x0000000076F31000-0x0000000076F32000-memory.dmp

Filesize
4KB

Download
memory/1692-31-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

Filesize
24KB

Download
memory/1884-4-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/1884-12-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/1884-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1884-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2296-10-0x0000000076EE0000-0x0000000077089000-memory.dmp

Filesize
1.7MB

Download
memory/2296-25-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2296-5-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2296-6-0x00000000770E0000-0x00000000770E1000-memory.dmp

Filesize
4KB

Download
memory/2296-7-0x00000000770DF000-0x00000000770E0000-memory.dmp

Filesize
4KB

Download
memory/2296-8-0x00000000770DF000-0x00000000770E1000-memory.dmp

Filesize
8KB

Download