tinba | 09df636c3723f22896fa4fb31818ff513e8d997b0f21109a8259ee5d683bf805

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
03-01-2025 19:27

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General

Target

JaffaCakes118_6efd43be666f05f015be314ccd641eec.exe
Size

34KB
MD5

6efd43be666f05f015be314ccd641eec
SHA1

67185dc03bceeb3d9ad751496efb9afee239f415
SHA256

09df636c3723f22896fa4fb31818ff513e8d997b0f21109a8259ee5d683bf805
SHA512

50476af1024c4f1d4f251b62ed20dda53f481dd0cdd819335616bb6a503143592f9379cae26a28e15225b8fe979c8643f6e10467bb942e4a61b1fa02c0cc882e
SSDEEP

768:Mp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:MpYoX58z1uirL98xMWnT0OQ9J2

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\5EC2D2E2 = "C:\\Users\\Admin\\AppData\\Roaming\\5EC2D2E2\\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/1944-0-0x0000000000400000-0x0000000000417000-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_6efd43be666f05f015be314ccd641eec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3052	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 3052	1944	JaffaCakes118_6efd43be666f05f015be314ccd641eec.exe	31
PID 1944 wrote to memory of 3052	1944	JaffaCakes118_6efd43be666f05f015be314ccd641eec.exe	31
PID 1944 wrote to memory of 3052	1944	JaffaCakes118_6efd43be666f05f015be314ccd641eec.exe	31
PID 1944 wrote to memory of 3052	1944	JaffaCakes118_6efd43be666f05f015be314ccd641eec.exe	31
PID 1944 wrote to memory of 3052	1944	JaffaCakes118_6efd43be666f05f015be314ccd641eec.exe	31
PID 3052 wrote to memory of 1236	3052	winver.exe	21
PID 3052 wrote to memory of 1120	3052	winver.exe	19
PID 3052 wrote to memory of 1184	3052	winver.exe	20
PID 3052 wrote to memory of 1236	3052	winver.exe	21
PID 3052 wrote to memory of 1288	3052	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:1184

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1236
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6efd43be666f05f015be314ccd641eec.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6efd43be666f05f015be314ccd641eec.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1944
- - 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:3052

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1288

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/1120-24-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1120-25-0x0000000077AD1000-0x0000000077AD2000-memory.dmp

Filesize
4KB

Download
memory/1184-21-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1184-27-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1236-4-0x0000000003D60000-0x0000000003D66000-memory.dmp

Filesize
24KB

Download
memory/1236-3-0x0000000003D60000-0x0000000003D66000-memory.dmp

Filesize
24KB

Download
memory/1236-2-0x0000000003D60000-0x0000000003D66000-memory.dmp

Filesize
24KB

Download
memory/1236-10-0x0000000077AD1000-0x0000000077AD2000-memory.dmp

Filesize
4KB

Download
memory/1236-33-0x0000000002E80000-0x0000000002E86000-memory.dmp

Filesize
24KB

Download
memory/1236-23-0x0000000002E80000-0x0000000002E86000-memory.dmp

Filesize
24KB

Download
memory/1288-31-0x0000000001E70000-0x0000000001E76000-memory.dmp

Filesize
24KB

Download
memory/1288-32-0x0000000077AD1000-0x0000000077AD2000-memory.dmp

Filesize
4KB

Download
memory/1944-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1944-13-0x0000000001C00000-0x0000000002600000-memory.dmp

Filesize
10.0MB

Download
memory/1944-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1944-5-0x0000000001C00000-0x0000000002600000-memory.dmp

Filesize
10.0MB

Download
memory/1944-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3052-26-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/3052-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/3052-7-0x0000000077C80000-0x0000000077C81000-memory.dmp

Filesize
4KB

Download
memory/3052-8-0x0000000077C7F000-0x0000000077C80000-memory.dmp

Filesize
4KB

Download
memory/3052-11-0x0000000077A80000-0x0000000077C29000-memory.dmp

Filesize
1.7MB

Download
memory/3052-9-0x0000000077C7F000-0x0000000077C81000-memory.dmp

Filesize
8KB

Download
memory/3052-38-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download