tinba | 58a5c3da58ba1fe901146c4ff7cf5b8008b5d9b1422669bb345c1d10428ca77d

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
31-12-2024 23:09

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General

Target

JaffaCakes118_3d58c01552f7aa46c3488c1d3f6aa097.exe
Size

34KB
MD5

3d58c01552f7aa46c3488c1d3f6aa097
SHA1

75c6573f16141d494d19804083bb97883b24be40
SHA256

58a5c3da58ba1fe901146c4ff7cf5b8008b5d9b1422669bb345c1d10428ca77d
SHA512

34e0b02d1190cde03d09f5ba5e2d9d78169202f9c361376932226081f37246d4910b4ea9d79a3940e68b4aa9f0a2b390b45b47ef110d96b2d119d78d882b7936
SSDEEP

768:pp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:ppYoX58z1uirL98xMWnT0OQ9J2

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\605F2388 = "C:\\Users\\Admin\\AppData\\Roaming\\605F2388\\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/2548-0-0x0000000000400000-0x0000000000417000-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_3d58c01552f7aa46c3488c1d3f6aa097.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe
1716	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1716	winver.exe
1152	Explorer.EXE
1152	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1152	Explorer.EXE
1152	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 1716	2548	JaffaCakes118_3d58c01552f7aa46c3488c1d3f6aa097.exe	31
PID 2548 wrote to memory of 1716	2548	JaffaCakes118_3d58c01552f7aa46c3488c1d3f6aa097.exe	31
PID 2548 wrote to memory of 1716	2548	JaffaCakes118_3d58c01552f7aa46c3488c1d3f6aa097.exe	31
PID 2548 wrote to memory of 1716	2548	JaffaCakes118_3d58c01552f7aa46c3488c1d3f6aa097.exe	31
PID 2548 wrote to memory of 1716	2548	JaffaCakes118_3d58c01552f7aa46c3488c1d3f6aa097.exe	31
PID 1716 wrote to memory of 1152	1716	winver.exe	20
PID 1716 wrote to memory of 1048	1716	winver.exe	17
PID 1716 wrote to memory of 1076	1716	winver.exe	18
PID 1716 wrote to memory of 1152	1716	winver.exe	20
PID 1716 wrote to memory of 1516	1716	winver.exe	25

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1048

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1076

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1152
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d58c01552f7aa46c3488c1d3f6aa097.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d58c01552f7aa46c3488c1d3f6aa097.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2548
- - 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:1716

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/1048-24-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1048-25-0x0000000077A21000-0x0000000077A22000-memory.dmp

Filesize
4KB

Download
memory/1076-19-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1076-26-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1152-4-0x0000000002EC0000-0x0000000002EC6000-memory.dmp

Filesize
24KB

Download
memory/1152-2-0x0000000002EC0000-0x0000000002EC6000-memory.dmp

Filesize
24KB

Download
memory/1152-29-0x0000000002E70000-0x0000000002E76000-memory.dmp

Filesize
24KB

Download
memory/1152-21-0x0000000002E70000-0x0000000002E76000-memory.dmp

Filesize
24KB

Download
memory/1152-3-0x0000000002EC0000-0x0000000002EC6000-memory.dmp

Filesize
24KB

Download
memory/1152-10-0x0000000077A21000-0x0000000077A22000-memory.dmp

Filesize
4KB

Download
memory/1516-33-0x0000000001E00000-0x0000000001E06000-memory.dmp

Filesize
24KB

Download
memory/1516-35-0x0000000077A21000-0x0000000077A22000-memory.dmp

Filesize
4KB

Download
memory/1516-27-0x0000000001E00000-0x0000000001E06000-memory.dmp

Filesize
24KB

Download
memory/1516-28-0x0000000077A21000-0x0000000077A22000-memory.dmp

Filesize
4KB

Download
memory/1516-23-0x0000000001E00000-0x0000000001E06000-memory.dmp

Filesize
24KB

Download
memory/1716-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1716-11-0x00000000779D0000-0x0000000077B79000-memory.dmp

Filesize
1.7MB

Download
memory/1716-9-0x0000000077BCF000-0x0000000077BD1000-memory.dmp

Filesize
8KB

Download
memory/1716-8-0x0000000077BCF000-0x0000000077BD0000-memory.dmp

Filesize
4KB

Download
memory/1716-7-0x0000000077BD0000-0x0000000077BD1000-memory.dmp

Filesize
4KB

Download
memory/1716-30-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1716-36-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2548-13-0x0000000001E30000-0x0000000002830000-memory.dmp

Filesize
10.0MB

Download
memory/2548-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2548-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2548-5-0x0000000001E30000-0x0000000002830000-memory.dmp

Filesize
10.0MB

Download
memory/2548-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download