tinba | bb57cae4af477abbadfbab5f445d89308b1527d741ce439dcad40fce2b56c9f7

Analysis

max time kernel
149s
max time network
155s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 15:31

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General

Target

JaffaCakes118_252b2cc4015380b95a9c56472ac66497.exe
Size

34KB
MD5

252b2cc4015380b95a9c56472ac66497
SHA1

1384570904352a4663f1c13934b2ebf9dd7fe047
SHA256

bb57cae4af477abbadfbab5f445d89308b1527d741ce439dcad40fce2b56c9f7
SHA512

bec180c5aabed61810cd50d32191916decf811c6174bc5b2278a7f36ead58240f2391e43ef02d17a353dd545fe721296ee8203573dbab554698e6dc5df0f2e7b
SSDEEP

768:Hp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:HpYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\F6002FB5 = "C:\\Users\\Admin\\AppData\\Roaming\\F6002FB5\\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/2336-0-0x0000000000400000-0x0000000000417000-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_252b2cc4015380b95a9c56472ac66497.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe
1824	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1824	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 1824	2336	JaffaCakes118_252b2cc4015380b95a9c56472ac66497.exe	30
PID 2336 wrote to memory of 1824	2336	JaffaCakes118_252b2cc4015380b95a9c56472ac66497.exe	30
PID 2336 wrote to memory of 1824	2336	JaffaCakes118_252b2cc4015380b95a9c56472ac66497.exe	30
PID 2336 wrote to memory of 1824	2336	JaffaCakes118_252b2cc4015380b95a9c56472ac66497.exe	30
PID 2336 wrote to memory of 1824	2336	JaffaCakes118_252b2cc4015380b95a9c56472ac66497.exe	30
PID 1824 wrote to memory of 1264	1824	winver.exe	20
PID 1824 wrote to memory of 1124	1824	winver.exe	18
PID 1824 wrote to memory of 1212	1824	winver.exe	19
PID 1824 wrote to memory of 1264	1824	winver.exe	20
PID 1824 wrote to memory of 1552	1824	winver.exe	24

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1212

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1264
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_252b2cc4015380b95a9c56472ac66497.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_252b2cc4015380b95a9c56472ac66497.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2336
- - 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:1824

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1552

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/1124-27-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1124-28-0x00000000777C1000-0x00000000777C2000-memory.dmp

Filesize
4KB

Download
memory/1212-30-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1212-21-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1264-2-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/1264-4-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/1264-10-0x00000000777C1000-0x00000000777C2000-memory.dmp

Filesize
4KB

Download
memory/1264-3-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/1264-29-0x0000000001D10000-0x0000000001D16000-memory.dmp

Filesize
24KB

Download
memory/1264-23-0x0000000001D10000-0x0000000001D16000-memory.dmp

Filesize
24KB

Download
memory/1552-32-0x00000000777C1000-0x00000000777C2000-memory.dmp

Filesize
4KB

Download
memory/1552-26-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1552-31-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1824-11-0x0000000077770000-0x0000000077919000-memory.dmp

Filesize
1.7MB

Download
memory/1824-6-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/1824-7-0x0000000077970000-0x0000000077971000-memory.dmp

Filesize
4KB

Download
memory/1824-8-0x000000007796F000-0x0000000077970000-memory.dmp

Filesize
4KB

Download
memory/1824-33-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/1824-9-0x000000007796F000-0x0000000077971000-memory.dmp

Filesize
8KB

Download
memory/2336-14-0x0000000001C00000-0x0000000002600000-memory.dmp

Filesize
10.0MB

Download
memory/2336-13-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2336-5-0x0000000001C00000-0x0000000002600000-memory.dmp

Filesize
10.0MB

Download
memory/2336-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2336-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download