tinba | 8dc4087b1dbffa1b4e30cde354d912d15f1febbfd04596315fd1dd79ce56b804

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
11-01-2025 09:52

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General

Target

JaffaCakes118_fde9294eeae1d6bf5f513c0af243a768.exe
Size

36KB
MD5

fde9294eeae1d6bf5f513c0af243a768
SHA1

dbfc624b07d1e5b092a423a62d64e388d48acb4c
SHA256

8dc4087b1dbffa1b4e30cde354d912d15f1febbfd04596315fd1dd79ce56b804
SHA512

11760679735551b19809605448446ac9e685465de8f558bd0c1b763f93221ea1ec126c152af7cea7e291230c1a4262f5a081373553675f0028ed0f502f4ac096
SSDEEP

768:fp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J:fpYoX58z1uirL98xMWnT0OQ9J

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\EE79D472 = "C:\\Users\\Admin\\AppData\\Roaming\\EE79D472\\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/1060-0-0x0000000000400000-0x0000000000417000-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_fde9294eeae1d6bf5f513c0af243a768.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe
3044	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3044	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1060 wrote to memory of 3044	1060	JaffaCakes118_fde9294eeae1d6bf5f513c0af243a768.exe	31
PID 1060 wrote to memory of 3044	1060	JaffaCakes118_fde9294eeae1d6bf5f513c0af243a768.exe	31
PID 1060 wrote to memory of 3044	1060	JaffaCakes118_fde9294eeae1d6bf5f513c0af243a768.exe	31
PID 1060 wrote to memory of 3044	1060	JaffaCakes118_fde9294eeae1d6bf5f513c0af243a768.exe	31
PID 1060 wrote to memory of 3044	1060	JaffaCakes118_fde9294eeae1d6bf5f513c0af243a768.exe	31
PID 3044 wrote to memory of 1212	3044	winver.exe	21
PID 3044 wrote to memory of 1100	3044	winver.exe	19
PID 3044 wrote to memory of 1176	3044	winver.exe	20
PID 3044 wrote to memory of 1212	3044	winver.exe	21
PID 3044 wrote to memory of 1204	3044	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

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_fde9294eeae1d6bf5f513c0af243a768.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fde9294eeae1d6bf5f513c0af243a768.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1060
- - 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:3044

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1204

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/1060-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1060-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1060-5-0x0000000001C80000-0x0000000002680000-memory.dmp

Filesize
10.0MB

Download
memory/1060-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1060-13-0x0000000001C80000-0x0000000002680000-memory.dmp

Filesize
10.0MB

Download
memory/1100-27-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1100-28-0x0000000077B51000-0x0000000077B52000-memory.dmp

Filesize
4KB

Download
memory/1176-20-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1176-29-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1204-31-0x0000000077B51000-0x0000000077B52000-memory.dmp

Filesize
4KB

Download
memory/1204-25-0x0000000001BD0000-0x0000000001BD6000-memory.dmp

Filesize
24KB

Download
memory/1204-30-0x0000000001BD0000-0x0000000001BD6000-memory.dmp

Filesize
24KB

Download
memory/1212-22-0x0000000002CD0000-0x0000000002CD6000-memory.dmp

Filesize
24KB

Download
memory/1212-26-0x0000000002CD0000-0x0000000002CD6000-memory.dmp

Filesize
24KB

Download
memory/1212-10-0x0000000077B51000-0x0000000077B52000-memory.dmp

Filesize
4KB

Download
memory/1212-4-0x0000000002D20000-0x0000000002D26000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002D20000-0x0000000002D26000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002D20000-0x0000000002D26000-memory.dmp

Filesize
24KB

Download
memory/3044-8-0x0000000077CFF000-0x0000000077D00000-memory.dmp

Filesize
4KB

Download
memory/3044-9-0x0000000077CFF000-0x0000000077D01000-memory.dmp

Filesize
8KB

Download
memory/3044-32-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/3044-7-0x0000000077D00000-0x0000000077D01000-memory.dmp

Filesize
4KB

Download
memory/3044-11-0x0000000077B00000-0x0000000077CA9000-memory.dmp

Filesize
1.7MB

Download
memory/3044-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download