tinba | 395d9806fa677fa0d3cfd149fff01049c0107ad3343dbfcd8b8cb6fe54bc8ed2

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
21/08/2024, 15:20

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General

Target

b3fc5641cdef7154849f100e95869217_JaffaCakes118.exe
Size

49KB
MD5

b3fc5641cdef7154849f100e95869217
SHA1

4e9da6868d7faf9d3dd6cf6b5fe35f8dbf9fe19a
SHA256

395d9806fa677fa0d3cfd149fff01049c0107ad3343dbfcd8b8cb6fe54bc8ed2
SHA512

f6cf06ac0a31cfc41848a93f7b2528ff3b3c3264be9ab9006e71fea1946b4c3915c50d7ebea80b2fc70ac2ddcc1c318b3ec1089e93a30fe02b1b09d83080a1a9
SSDEEP

768:fCCCFlkbwAYbFshpyiB9L9Mx2BWseUCHGAwk5R9Jw:7bw/6plBTFBYNNR9Jw

Score

10^/10

tinba banker discovery persistence trojan

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker 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-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\E4ED27D6 = "C:\\Users\\Admin\\AppData\\Roaming\\E4ED27D6\\bin.exe"	winver.exe

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	b3fc5641cdef7154849f100e95869217_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe
2736	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2736	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 2736	2264	b3fc5641cdef7154849f100e95869217_JaffaCakes118.exe	31
PID 2264 wrote to memory of 2736	2264	b3fc5641cdef7154849f100e95869217_JaffaCakes118.exe	31
PID 2264 wrote to memory of 2736	2264	b3fc5641cdef7154849f100e95869217_JaffaCakes118.exe	31
PID 2264 wrote to memory of 2736	2264	b3fc5641cdef7154849f100e95869217_JaffaCakes118.exe	31
PID 2264 wrote to memory of 2736	2264	b3fc5641cdef7154849f100e95869217_JaffaCakes118.exe	31
PID 2736 wrote to memory of 1212	2736	winver.exe	21
PID 2736 wrote to memory of 1116	2736	winver.exe	19
PID 2736 wrote to memory of 1176	2736	winver.exe	20
PID 2736 wrote to memory of 1212	2736	winver.exe	21
PID 2736 wrote to memory of 864	2736	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\b3fc5641cdef7154849f100e95869217_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b3fc5641cdef7154849f100e95869217_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2264
- - 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:2736

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:864

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/864-32-0x0000000001D40000-0x0000000001D46000-memory.dmp

Filesize
24KB

Download
memory/864-33-0x0000000076EF1000-0x0000000076EF2000-memory.dmp

Filesize
4KB

Download
memory/1116-38-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1116-27-0x0000000076EF1000-0x0000000076EF2000-memory.dmp

Filesize
4KB

Download
memory/1116-26-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1176-24-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1176-23-0x0000000076EF1000-0x0000000076EF2000-memory.dmp

Filesize
4KB

Download
memory/1176-25-0x0000000076EF1000-0x0000000076EF2000-memory.dmp

Filesize
4KB

Download
memory/1176-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1212-2-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1212-1-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1212-22-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1212-34-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/1212-9-0x0000000076EF1000-0x0000000076EF2000-memory.dmp

Filesize
4KB

Download
memory/2264-12-0x0000000001EE0000-0x00000000028E0000-memory.dmp

Filesize
10.0MB

Download
memory/2264-11-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2264-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2264-4-0x0000000001EE0000-0x00000000028E0000-memory.dmp

Filesize
10.0MB

Download
memory/2736-28-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2736-5-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2736-6-0x00000000770A0000-0x00000000770A1000-memory.dmp

Filesize
4KB

Download
memory/2736-7-0x000000007709F000-0x00000000770A0000-memory.dmp

Filesize
4KB

Download
memory/2736-8-0x000000007709F000-0x00000000770A1000-memory.dmp

Filesize
8KB

Download
memory/2736-10-0x0000000076EA0000-0x0000000077049000-memory.dmp

Filesize
1.7MB

Download
memory/2736-39-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download