tinba | 38ebd79d64961134111a1cb33087e89a488fc64b0b6a8a247af3c3df8728d951

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 11:43

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General

Target

JaffaCakes118_9d8f1eac918b385d859bd20b48815eef.exe
Size

160KB
MD5

9d8f1eac918b385d859bd20b48815eef
SHA1

a8a22bad6dc292b56c7b552a650e76cbf37dfb5f
SHA256

38ebd79d64961134111a1cb33087e89a488fc64b0b6a8a247af3c3df8728d951
SHA512

91d717711eefd0658dd2a7f94ec8c3facb10577885e59b0b953eb72fad68ae12abfd915563d2465ce4e2977eded2f86d0ff488bf21ced589c6240d71963b452f
SSDEEP

1536:2EY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:dY+4MiIkLZJNAQ9J6v

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\82149DE7 = "C:\\Users\\Admin\\AppData\\Roaming\\82149DE7\\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/2324-0-0x0000000000400000-0x0000000000428000-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_9d8f1eac918b385d859bd20b48815eef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe
2496	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2496	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2496	2324	JaffaCakes118_9d8f1eac918b385d859bd20b48815eef.exe	32
PID 2324 wrote to memory of 2496	2324	JaffaCakes118_9d8f1eac918b385d859bd20b48815eef.exe	32
PID 2324 wrote to memory of 2496	2324	JaffaCakes118_9d8f1eac918b385d859bd20b48815eef.exe	32
PID 2324 wrote to memory of 2496	2324	JaffaCakes118_9d8f1eac918b385d859bd20b48815eef.exe	32
PID 2324 wrote to memory of 2496	2324	JaffaCakes118_9d8f1eac918b385d859bd20b48815eef.exe	32
PID 2496 wrote to memory of 1144	2496	winver.exe	20
PID 2496 wrote to memory of 1072	2496	winver.exe	17
PID 2496 wrote to memory of 1084	2496	winver.exe	18
PID 2496 wrote to memory of 1144	2496	winver.exe	20
PID 2496 wrote to memory of 2040	2496	winver.exe	23

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1072

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1084

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1144
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9d8f1eac918b385d859bd20b48815eef.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9d8f1eac918b385d859bd20b48815eef.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2324
- - 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:2496

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2040

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/1072-26-0x00000000772F1000-0x00000000772F2000-memory.dmp

Filesize
4KB

Download
memory/1072-25-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1084-20-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/1084-27-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/1144-10-0x00000000772F1000-0x00000000772F2000-memory.dmp

Filesize
4KB

Download
memory/1144-2-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/1144-22-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1144-3-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/1144-28-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1144-4-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/2040-24-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2040-30-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2040-31-0x00000000772F1000-0x00000000772F2000-memory.dmp

Filesize
4KB

Download
memory/2324-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2324-13-0x0000000001EF0000-0x00000000028F0000-memory.dmp

Filesize
10.0MB

Download
memory/2324-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2324-5-0x0000000001EF0000-0x00000000028F0000-memory.dmp

Filesize
10.0MB

Download
memory/2324-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2496-11-0x00000000772A0000-0x0000000077449000-memory.dmp

Filesize
1.7MB

Download
memory/2496-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2496-29-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2496-7-0x00000000774A0000-0x00000000774A1000-memory.dmp

Filesize
4KB

Download
memory/2496-8-0x000000007749F000-0x00000000774A0000-memory.dmp

Filesize
4KB

Download
memory/2496-9-0x000000007749F000-0x00000000774A1000-memory.dmp

Filesize
8KB

Download