tinba | a7395220524deefe2161e5c9fdbe8cd5a151171a180c9df0f9f9400c39438311

Analysis

max time kernel
146s
max time network
142s
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 05:31

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General

Target

JaffaCakes118_8ead2c95f7d0ddfa2080fc1308dd91c9.exe
Size

34KB
MD5

8ead2c95f7d0ddfa2080fc1308dd91c9
SHA1

7ea59a470e3af6f5eaaca50a36fbb1af369a4cb1
SHA256

a7395220524deefe2161e5c9fdbe8cd5a151171a180c9df0f9f9400c39438311
SHA512

7c22a57541483feede9cdd8d8cb48dd2ec4d0e5d004629dbe1facc7c42b3afc6797467b3876b4e0029660f7f06bf62122ac7d72b0ab9809a9c0cf9f48556e7a7
SSDEEP

768:9p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:9pYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9A1E0406 = "C:\\Users\\Admin\\AppData\\Roaming\\9A1E0406\\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/3292-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
460	2328	WerFault.exe	84

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_8ead2c95f7d0ddfa2080fc1308dd91c9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2328	winver.exe
2328	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2328	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3292 wrote to memory of 2328	3292	JaffaCakes118_8ead2c95f7d0ddfa2080fc1308dd91c9.exe	84
PID 3292 wrote to memory of 2328	3292	JaffaCakes118_8ead2c95f7d0ddfa2080fc1308dd91c9.exe	84
PID 3292 wrote to memory of 2328	3292	JaffaCakes118_8ead2c95f7d0ddfa2080fc1308dd91c9.exe	84
PID 3292 wrote to memory of 2328	3292	JaffaCakes118_8ead2c95f7d0ddfa2080fc1308dd91c9.exe	84
PID 2328 wrote to memory of 3520	2328	winver.exe	56
PID 2328 wrote to memory of 2712	2328	winver.exe	45

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2712

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8ead2c95f7d0ddfa2080fc1308dd91c9.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8ead2c95f7d0ddfa2080fc1308dd91c9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3292
- - 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:2328
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 352
      4⤵
      Program crash
      PID:460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2328 -ip 2328
1⤵
PID:3944

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/2328-6-0x00000000772D2000-0x00000000772D3000-memory.dmp

Filesize
4KB

Download
memory/2328-15-0x0000000001470000-0x0000000001476000-memory.dmp

Filesize
24KB

Download
memory/2328-8-0x00007FFACA290000-0x00007FFACA485000-memory.dmp

Filesize
2.0MB

Download
memory/2328-5-0x0000000001470000-0x0000000001476000-memory.dmp

Filesize
24KB

Download
memory/2712-16-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/2712-14-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/3292-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3292-4-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/3292-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3292-10-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/3292-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3520-7-0x00007FFACA32D000-0x00007FFACA32E000-memory.dmp

Filesize
4KB

Download
memory/3520-3-0x00000000027D0000-0x00000000027D6000-memory.dmp

Filesize
24KB

Download
memory/3520-2-0x00000000027D0000-0x00000000027D6000-memory.dmp

Filesize
24KB

Download