tinba | 4c5d42035c6e7c5830564abd41daf52640393333c210d111b2039a1db80d696a

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
05/01/2025, 05:18

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General

Target

JaffaCakes118_8de997ffe6cf67c888a324c8d7b160a0.exe
Size

89KB
MD5

8de997ffe6cf67c888a324c8d7b160a0
SHA1

e69a08371234330518a865c225f99c6a6c1bf391
SHA256

4c5d42035c6e7c5830564abd41daf52640393333c210d111b2039a1db80d696a
SHA512

bd4990350e00a9d7f21f2a46fa55e0a0b8ab07e20634e99dbd36c63becb23b10d1ce7676a0f45e75f26811ab765cd4f051d292309da3c4cf14331b64c92d843d
SSDEEP

1536:Cr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:k+4MJIkLZJNAQ9Jo9e

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\F3D2F097 = "C:\\Users\\Admin\\AppData\\Roaming\\F3D2F097\\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/3052-0-0x0000000000400000-0x0000000000418000-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_8de997ffe6cf67c888a324c8d7b160a0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe
2388	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2388	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 2388	3052	JaffaCakes118_8de997ffe6cf67c888a324c8d7b160a0.exe	31
PID 3052 wrote to memory of 2388	3052	JaffaCakes118_8de997ffe6cf67c888a324c8d7b160a0.exe	31
PID 3052 wrote to memory of 2388	3052	JaffaCakes118_8de997ffe6cf67c888a324c8d7b160a0.exe	31
PID 3052 wrote to memory of 2388	3052	JaffaCakes118_8de997ffe6cf67c888a324c8d7b160a0.exe	31
PID 3052 wrote to memory of 2388	3052	JaffaCakes118_8de997ffe6cf67c888a324c8d7b160a0.exe	31
PID 2388 wrote to memory of 1076	2388	winver.exe	18
PID 2388 wrote to memory of 1044	2388	winver.exe	17
PID 2388 wrote to memory of 1076	2388	winver.exe	18
PID 2388 wrote to memory of 1112	2388	winver.exe	20
PID 2388 wrote to memory of 2020	2388	winver.exe	23

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1044

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1076
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8de997ffe6cf67c888a324c8d7b160a0.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8de997ffe6cf67c888a324c8d7b160a0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3052
- - 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:2388

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2020

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/1044-28-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1044-29-0x00000000774C1000-0x00000000774C2000-memory.dmp

Filesize
4KB

Download
memory/1076-10-0x00000000774C1000-0x00000000774C2000-memory.dmp

Filesize
4KB

Download
memory/1076-2-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/1076-4-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/1076-27-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1076-20-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1076-3-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/1112-32-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1112-23-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2020-26-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/2020-31-0x00000000774C1000-0x00000000774C2000-memory.dmp

Filesize
4KB

Download
memory/2020-30-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/2388-8-0x000000007766F000-0x0000000077670000-memory.dmp

Filesize
4KB

Download
memory/2388-11-0x0000000077470000-0x0000000077619000-memory.dmp

Filesize
1.7MB

Download
memory/2388-6-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2388-7-0x0000000077670000-0x0000000077671000-memory.dmp

Filesize
4KB

Download
memory/2388-9-0x000000007766F000-0x0000000077671000-memory.dmp

Filesize
8KB

Download
memory/2388-33-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/3052-13-0x0000000001C80000-0x0000000002680000-memory.dmp

Filesize
10.0MB

Download
memory/3052-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3052-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3052-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3052-5-0x0000000001C80000-0x0000000002680000-memory.dmp

Filesize
10.0MB

Download