tinba | 04217896a12cf9b3d6532adb25da13bc217b9df8a0a75ed075b2c92ab8dfe129

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
09-01-2025 18:12

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General

Target

JaffaCakes118_cecc78ed347139f523e7cbf43fb89bdc.exe
Size

148KB
MD5

cecc78ed347139f523e7cbf43fb89bdc
SHA1

a5a49618670fe45ff626ecf39b5cb52f9e965615
SHA256

04217896a12cf9b3d6532adb25da13bc217b9df8a0a75ed075b2c92ab8dfe129
SHA512

680140bf7fa09054ef4c8bdb55fbbdbbcf28b7374e12826420674a4661b77d3c66623ccdc0a85efb70c0a1042047cbad7df3582f104246b2a2d579263fbcb2e7
SSDEEP

1536:Cv+pJdyvHh9Yvu356AlGC/kpNfDnfn8bbxvVOu3MwJMaKtqj78gE8v27O:J/dwh9uu39N81SbxthE8vCO

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
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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\E4D7D9D9 = "C:\\Users\\Admin\\AppData\\Roaming\\E4D7D9D9\\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	JaffaCakes118_cecc78ed347139f523e7cbf43fb89bdc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe
2832	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2832	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2888	JaffaCakes118_cecc78ed347139f523e7cbf43fb89bdc.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 2832	2888	JaffaCakes118_cecc78ed347139f523e7cbf43fb89bdc.exe	30
PID 2888 wrote to memory of 2832	2888	JaffaCakes118_cecc78ed347139f523e7cbf43fb89bdc.exe	30
PID 2888 wrote to memory of 2832	2888	JaffaCakes118_cecc78ed347139f523e7cbf43fb89bdc.exe	30
PID 2888 wrote to memory of 2832	2888	JaffaCakes118_cecc78ed347139f523e7cbf43fb89bdc.exe	30
PID 2888 wrote to memory of 2832	2888	JaffaCakes118_cecc78ed347139f523e7cbf43fb89bdc.exe	30
PID 2832 wrote to memory of 1196	2832	winver.exe	21
PID 2832 wrote to memory of 1100	2832	winver.exe	19
PID 2832 wrote to memory of 1164	2832	winver.exe	20
PID 2832 wrote to memory of 1196	2832	winver.exe	21
PID 2832 wrote to memory of 1608	2832	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cecc78ed347139f523e7cbf43fb89bdc.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cecc78ed347139f523e7cbf43fb89bdc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2888
- - 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:2832

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1608

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/1100-18-0x00000000021F0000-0x00000000021F7000-memory.dmp

Filesize
28KB

Download
memory/1100-30-0x00000000021F0000-0x00000000021F7000-memory.dmp

Filesize
28KB

Download
memory/1100-31-0x0000000077B11000-0x0000000077B12000-memory.dmp

Filesize
4KB

Download
memory/1164-21-0x00000000001C0000-0x00000000001C7000-memory.dmp

Filesize
28KB

Download
memory/1164-32-0x00000000001C0000-0x00000000001C7000-memory.dmp

Filesize
28KB

Download
memory/1196-5-0x0000000002E00000-0x0000000002E07000-memory.dmp

Filesize
28KB

Download
memory/1196-7-0x0000000002E00000-0x0000000002E07000-memory.dmp

Filesize
28KB

Download
memory/1196-4-0x0000000002E00000-0x0000000002E07000-memory.dmp

Filesize
28KB

Download
memory/1196-12-0x0000000077B11000-0x0000000077B12000-memory.dmp

Filesize
4KB

Download
memory/1196-24-0x0000000002E10000-0x0000000002E17000-memory.dmp

Filesize
28KB

Download
memory/1196-27-0x0000000002E10000-0x0000000002E17000-memory.dmp

Filesize
28KB

Download
memory/1608-28-0x0000000001CB0000-0x0000000001CB7000-memory.dmp

Filesize
28KB

Download
memory/1608-26-0x0000000001CB0000-0x0000000001CB7000-memory.dmp

Filesize
28KB

Download
memory/1608-29-0x0000000077B11000-0x0000000077B12000-memory.dmp

Filesize
4KB

Download
memory/2832-6-0x00000000001C0000-0x00000000001C7000-memory.dmp

Filesize
28KB

Download
memory/2832-9-0x0000000077CC0000-0x0000000077CC1000-memory.dmp

Filesize
4KB

Download
memory/2832-13-0x0000000077AC0000-0x0000000077C69000-memory.dmp

Filesize
1.7MB

Download
memory/2832-10-0x0000000077CBF000-0x0000000077CC0000-memory.dmp

Filesize
4KB

Download
memory/2832-11-0x0000000077CBF000-0x0000000077CC1000-memory.dmp

Filesize
8KB

Download
memory/2832-33-0x00000000001C0000-0x00000000001C7000-memory.dmp

Filesize
28KB

Download
memory/2888-15-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/2888-14-0x0000000000400000-0x0000000000404A00-memory.dmp

Filesize
18KB

Download
memory/2888-3-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/2888-1-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2888-0-0x000000000040C000-0x000000000040F000-memory.dmp

Filesize
12KB

Download
memory/2888-2-0x0000000000260000-0x0000000000262000-memory.dmp

Filesize
8KB

Download