tinba | 0b2ea30de5ad013d3e683f6a0bea779bfd0dc02f2a6fa3c685d7b68802e37ad9

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 18:23

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General

Target

JaffaCakes118_2e65ecd52146b13ef0d185ccd52b3594.exe
Size

88KB
MD5

2e65ecd52146b13ef0d185ccd52b3594
SHA1

7d192aa139e618d5039aa283d1755fe6241cd340
SHA256

0b2ea30de5ad013d3e683f6a0bea779bfd0dc02f2a6fa3c685d7b68802e37ad9
SHA512

25bc86f64654d7b8504798932e6ba5418a9e38227e7e5023134818240809dac97219e2afc7f21c4225fe7b2ccfa38762761edb0f63e823df7aca28b5ab858911
SSDEEP

1536:e5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:e5fvp12UFKcD/6jwqWsN

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\DCD3CE4B = "C:\\Users\\Admin\\AppData\\Roaming\\DCD3CE4B\\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_2e65ecd52146b13ef0d185ccd52b3594.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 3 IoCs

pid	Process
2736	winver.exe
1280	Explorer.EXE
1280	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1280	Explorer.EXE
1280	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 2736	3004	JaffaCakes118_2e65ecd52146b13ef0d185ccd52b3594.exe	31
PID 3004 wrote to memory of 2736	3004	JaffaCakes118_2e65ecd52146b13ef0d185ccd52b3594.exe	31
PID 3004 wrote to memory of 2736	3004	JaffaCakes118_2e65ecd52146b13ef0d185ccd52b3594.exe	31
PID 3004 wrote to memory of 2736	3004	JaffaCakes118_2e65ecd52146b13ef0d185ccd52b3594.exe	31
PID 3004 wrote to memory of 2736	3004	JaffaCakes118_2e65ecd52146b13ef0d185ccd52b3594.exe	31
PID 2736 wrote to memory of 1280	2736	winver.exe	21
PID 2736 wrote to memory of 1128	2736	winver.exe	19
PID 2736 wrote to memory of 1236	2736	winver.exe	20
PID 2736 wrote to memory of 1280	2736	winver.exe	21
PID 2736 wrote to memory of 840	2736	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1236

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1280
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2e65ecd52146b13ef0d185ccd52b3594.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2e65ecd52146b13ef0d185ccd52b3594.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3004
- - 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:840

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/840-23-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/840-25-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/840-26-0x0000000077641000-0x0000000077642000-memory.dmp

Filesize
4KB

Download
memory/1128-28-0x0000000077641000-0x0000000077642000-memory.dmp

Filesize
4KB

Download
memory/1128-27-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/1236-29-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1236-19-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1280-9-0x0000000077641000-0x0000000077642000-memory.dmp

Filesize
4KB

Download
memory/1280-24-0x0000000002980000-0x0000000002986000-memory.dmp

Filesize
24KB

Download
memory/1280-21-0x0000000002980000-0x0000000002986000-memory.dmp

Filesize
24KB

Download
memory/1280-3-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1280-2-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1280-1-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/2736-6-0x00000000777F0000-0x00000000777F1000-memory.dmp

Filesize
4KB

Download
memory/2736-5-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/2736-7-0x00000000777EF000-0x00000000777F0000-memory.dmp

Filesize
4KB

Download
memory/2736-30-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/2736-8-0x00000000777EF000-0x00000000777F1000-memory.dmp

Filesize
8KB

Download
memory/2736-10-0x00000000775F0000-0x0000000077799000-memory.dmp

Filesize
1.7MB

Download
memory/3004-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3004-4-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/3004-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3004-12-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download