tinba | 73d03d3f5f73dbecd3ddd7e2824d3bd079cb3a971dd78c4e65c9e6795f2d1cf4

Analysis

max time kernel
145s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2025, 10:54

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General

Target

JaffaCakes118_9f1897c1c9eb58ac53340145e27aeb32.exe
Size

34KB
MD5

9f1897c1c9eb58ac53340145e27aeb32
SHA1

f2db1991dc12082239f11e66953a0f43aec0fb58
SHA256

73d03d3f5f73dbecd3ddd7e2824d3bd079cb3a971dd78c4e65c9e6795f2d1cf4
SHA512

470536b67f8b2f6039bd938dccc7e3d3f3efc37e435e05d320ffe897aaf6733e94ce592f759e3ba4e30e093db0795e18f2561428a9a0e21033e8985d4224adbe
SSDEEP

768:Hp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:HpYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B3382636 = "C:\\Users\\Admin\\AppData\\Roaming\\B3382636\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4204-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2332	2464	WerFault.exe	85

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9f1897c1c9eb58ac53340145e27aeb32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2464	winver.exe
2464	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2464	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4204 wrote to memory of 2464	4204	JaffaCakes118_9f1897c1c9eb58ac53340145e27aeb32.exe	85
PID 4204 wrote to memory of 2464	4204	JaffaCakes118_9f1897c1c9eb58ac53340145e27aeb32.exe	85
PID 4204 wrote to memory of 2464	4204	JaffaCakes118_9f1897c1c9eb58ac53340145e27aeb32.exe	85
PID 4204 wrote to memory of 2464	4204	JaffaCakes118_9f1897c1c9eb58ac53340145e27aeb32.exe	85
PID 2464 wrote to memory of 3436	2464	winver.exe	56
PID 2464 wrote to memory of 2940	2464	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2940

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9f1897c1c9eb58ac53340145e27aeb32.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9f1897c1c9eb58ac53340145e27aeb32.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4204
- - 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:2464
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 352
      4⤵
      Program crash
      PID:2332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2464 -ip 2464
1⤵
PID:4224

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/2464-7-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp

Filesize
2.0MB

Download
memory/2464-15-0x0000000002CF0000-0x0000000002CF6000-memory.dmp

Filesize
24KB

Download
memory/2464-12-0x0000000002CF0000-0x0000000002CF6000-memory.dmp

Filesize
24KB

Download
memory/2464-5-0x0000000076FE2000-0x0000000076FE3000-memory.dmp

Filesize
4KB

Download
memory/2940-16-0x0000000000B50000-0x0000000000B56000-memory.dmp

Filesize
24KB

Download
memory/2940-14-0x0000000000B50000-0x0000000000B56000-memory.dmp

Filesize
24KB

Download
memory/3436-6-0x00007FFB79C4D000-0x00007FFB79C4E000-memory.dmp

Filesize
4KB

Download
memory/3436-2-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/3436-3-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/4204-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4204-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4204-10-0x0000000002430000-0x0000000002E30000-memory.dmp

Filesize
10.0MB

Download
memory/4204-4-0x0000000002430000-0x0000000002E30000-memory.dmp

Filesize
10.0MB

Download
memory/4204-1-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download