tinba | d5f1c0f6a5b9c1cd7e220f62cd8ae84e8d45d93eb957cf67c5a0a55fb1519792

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 14:18

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General

Target

JaffaCakes118_21348879a9af9065c17c64952c2d2ffb.exe
Size

34KB
MD5

21348879a9af9065c17c64952c2d2ffb
SHA1

d332e37c917a865b2ecbdb0d4ccf285b430a21ba
SHA256

d5f1c0f6a5b9c1cd7e220f62cd8ae84e8d45d93eb957cf67c5a0a55fb1519792
SHA512

c9515335412e9c098ccdcad8e3a9ba1b7616bea915f45ab49de680cd1155cdd98dca78cf34bfcc62caced400b117ddda379efc8e3fc34253371eb33b5c9c81fb
SSDEEP

768:zp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:zpYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\569715AE = "C:\\Users\\Admin\\AppData\\Roaming\\569715AE\\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/2816-0-0x0000000000400000-0x0000000000417000-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_21348879a9af9065c17c64952c2d2ffb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe
2972	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2972	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 2972	2816	JaffaCakes118_21348879a9af9065c17c64952c2d2ffb.exe	31
PID 2816 wrote to memory of 2972	2816	JaffaCakes118_21348879a9af9065c17c64952c2d2ffb.exe	31
PID 2816 wrote to memory of 2972	2816	JaffaCakes118_21348879a9af9065c17c64952c2d2ffb.exe	31
PID 2816 wrote to memory of 2972	2816	JaffaCakes118_21348879a9af9065c17c64952c2d2ffb.exe	31
PID 2816 wrote to memory of 2972	2816	JaffaCakes118_21348879a9af9065c17c64952c2d2ffb.exe	31
PID 2972 wrote to memory of 1200	2972	winver.exe	21
PID 2972 wrote to memory of 1116	2972	winver.exe	19
PID 2972 wrote to memory of 1168	2972	winver.exe	20
PID 2972 wrote to memory of 1200	2972	winver.exe	21
PID 2972 wrote to memory of 1716	2972	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:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21348879a9af9065c17c64952c2d2ffb.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21348879a9af9065c17c64952c2d2ffb.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2816
- - 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:2972

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1716

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/1116-27-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1116-28-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/1116-19-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/1168-29-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/1168-22-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1168-39-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1168-31-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/1168-30-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1200-34-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/1200-24-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002F00000-0x0000000002F06000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x0000000002F00000-0x0000000002F06000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002F00000-0x0000000002F06000-memory.dmp

Filesize
24KB

Download
memory/1716-26-0x00000000023C0000-0x00000000023C6000-memory.dmp

Filesize
24KB

Download
memory/1716-35-0x00000000023C0000-0x00000000023C6000-memory.dmp

Filesize
24KB

Download
memory/1716-36-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/1716-32-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/2816-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2816-13-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/2816-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2816-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2816-5-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/2972-7-0x0000000076F80000-0x0000000076F81000-memory.dmp

Filesize
4KB

Download
memory/2972-8-0x0000000076F7F000-0x0000000076F80000-memory.dmp

Filesize
4KB

Download
memory/2972-9-0x0000000076F7F000-0x0000000076F81000-memory.dmp

Filesize
8KB

Download
memory/2972-33-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2972-11-0x0000000076D80000-0x0000000076F29000-memory.dmp

Filesize
1.7MB

Download
memory/2972-6-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download