tinba | 584203204cc442c6b51a52b92f2e37c8d9c318561b706155cf5e9e54a3097173

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 05:30

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General

Target

JaffaCakes118_502fe6054f99c7f35bdb8e46ec186a66.exe
Size

160KB
MD5

502fe6054f99c7f35bdb8e46ec186a66
SHA1

bd9b3c826f3d69ffdc1c1eed7ec232992eea033f
SHA256

584203204cc442c6b51a52b92f2e37c8d9c318561b706155cf5e9e54a3097173
SHA512

86f458d673ecc47a0e179b6c97367b007fdb19f22705c7d41733bad3ee80fd5ba983b805dd30c1bb26764626ab49cff9d4a3ac0fe704bb985ad4405ba7786007
SSDEEP

1536:vEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:cY+4MiIkLZJNAQ9J6v

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\92AE43F2 = "C:\\Users\\Admin\\AppData\\Roaming\\92AE43F2\\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/2084-0-0x0000000000400000-0x0000000000428000-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_502fe6054f99c7f35bdb8e46ec186a66.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe
3008	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3008	winver.exe
1424	Explorer.EXE
1424	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1424	Explorer.EXE
1424	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 3008	2084	JaffaCakes118_502fe6054f99c7f35bdb8e46ec186a66.exe	31
PID 2084 wrote to memory of 3008	2084	JaffaCakes118_502fe6054f99c7f35bdb8e46ec186a66.exe	31
PID 2084 wrote to memory of 3008	2084	JaffaCakes118_502fe6054f99c7f35bdb8e46ec186a66.exe	31
PID 2084 wrote to memory of 3008	2084	JaffaCakes118_502fe6054f99c7f35bdb8e46ec186a66.exe	31
PID 2084 wrote to memory of 3008	2084	JaffaCakes118_502fe6054f99c7f35bdb8e46ec186a66.exe	31
PID 3008 wrote to memory of 1424	3008	winver.exe	21
PID 3008 wrote to memory of 1172	3008	winver.exe	19
PID 3008 wrote to memory of 1344	3008	winver.exe	20
PID 3008 wrote to memory of 1424	3008	winver.exe	21
PID 3008 wrote to memory of 1664	3008	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1172

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1344

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1424
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_502fe6054f99c7f35bdb8e46ec186a66.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_502fe6054f99c7f35bdb8e46ec186a66.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2084
- - 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:3008

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1664

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/1172-29-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/1172-30-0x00000000776A1000-0x00000000776A2000-memory.dmp

Filesize
4KB

Download
memory/1344-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1344-31-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1424-3-0x00000000029A0000-0x00000000029A6000-memory.dmp

Filesize
24KB

Download
memory/1424-4-0x00000000029A0000-0x00000000029A6000-memory.dmp

Filesize
24KB

Download
memory/1424-22-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1424-2-0x00000000029A0000-0x00000000029A6000-memory.dmp

Filesize
24KB

Download
memory/1424-10-0x00000000776A1000-0x00000000776A2000-memory.dmp

Filesize
4KB

Download
memory/1424-26-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1664-27-0x0000000002000000-0x0000000002006000-memory.dmp

Filesize
24KB

Download
memory/1664-28-0x00000000776A1000-0x00000000776A2000-memory.dmp

Filesize
4KB

Download
memory/1664-25-0x0000000002000000-0x0000000002006000-memory.dmp

Filesize
24KB

Download
memory/2084-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2084-13-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/2084-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2084-5-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/2084-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3008-11-0x0000000077650000-0x00000000777F9000-memory.dmp

Filesize
1.7MB

Download
memory/3008-9-0x000000007784F000-0x0000000077851000-memory.dmp

Filesize
8KB

Download
memory/3008-8-0x000000007784F000-0x0000000077850000-memory.dmp

Filesize
4KB

Download
memory/3008-7-0x0000000077850000-0x0000000077851000-memory.dmp

Filesize
4KB

Download
memory/3008-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/3008-32-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download