tinba | b5ac78837b825c7555b4e63cc52dc3dfb33c342d9141413f413f203b34dc7df8

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
05-01-2025 03:59

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General

Target

JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe
Size

89KB
MD5

8a0e1db4ac2c0a519dce86a7ab27fca5
SHA1

c8f4c0e855b2a4926deb0b5f3306039e7b1d4148
SHA256

b5ac78837b825c7555b4e63cc52dc3dfb33c342d9141413f413f203b34dc7df8
SHA512

f702d49355fac07502b9e29478917705aa374413b53998bd286a2622a3c7ff2942a959bf1479bb7ec0bf82561d2e99e7ac1512b84f9d616a66975c2bd4af2e33
SSDEEP

1536:pr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:t+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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\6ABDE6D1 = "C:\\Users\\Admin\\AppData\\Roaming\\6ABDE6D1\\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/1632-0-0x0000000000400000-0x0000000000418000-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_8a0e1db4ac2c0a519dce86a7ab27fca5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe
2504	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2504	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 2504	1632	JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe	32
PID 1632 wrote to memory of 2504	1632	JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe	32
PID 1632 wrote to memory of 2504	1632	JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe	32
PID 1632 wrote to memory of 2504	1632	JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe	32
PID 1632 wrote to memory of 2504	1632	JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe	32
PID 2504 wrote to memory of 1212	2504	winver.exe	21
PID 2504 wrote to memory of 1112	2504	winver.exe	19
PID 2504 wrote to memory of 1176	2504	winver.exe	20
PID 2504 wrote to memory of 1212	2504	winver.exe	21
PID 2504 wrote to memory of 1516	2504	winver.exe	25

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⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1632
- - 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:2504

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/1112-23-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1112-24-0x0000000077B01000-0x0000000077B02000-memory.dmp

Filesize
4KB

Download
memory/1176-20-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1176-26-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1212-22-0x0000000002E60000-0x0000000002E66000-memory.dmp

Filesize
24KB

Download
memory/1212-4-0x0000000002F50000-0x0000000002F56000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002F50000-0x0000000002F56000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002F50000-0x0000000002F56000-memory.dmp

Filesize
24KB

Download
memory/1212-10-0x0000000077B01000-0x0000000077B02000-memory.dmp

Filesize
4KB

Download
memory/1212-30-0x0000000002E60000-0x0000000002E66000-memory.dmp

Filesize
24KB

Download
memory/1516-31-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1516-32-0x0000000077B01000-0x0000000077B02000-memory.dmp

Filesize
4KB

Download
memory/1632-5-0x0000000001C20000-0x0000000002620000-memory.dmp

Filesize
10.0MB

Download
memory/1632-13-0x0000000001C20000-0x0000000002620000-memory.dmp

Filesize
10.0MB

Download
memory/1632-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1632-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1632-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2504-11-0x0000000077AB0000-0x0000000077C59000-memory.dmp

Filesize
1.7MB

Download
memory/2504-25-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2504-6-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2504-7-0x0000000077CB0000-0x0000000077CB1000-memory.dmp

Filesize
4KB

Download
memory/2504-8-0x0000000077CAF000-0x0000000077CB0000-memory.dmp

Filesize
4KB

Download
memory/2504-9-0x0000000077CAF000-0x0000000077CB1000-memory.dmp

Filesize
8KB

Download