tinba | dce4f7e52d3edd396d33e0c71b7743e3ff2e4631048d757bd3386e87d7f650cd

Analysis

max time kernel
116s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-01-2025 03:32

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General

Target

dce4f7e52d3edd396d33e0c71b7743e3ff2e4631048d757bd3386e87d7f650cd.exe
Size

45KB
MD5

d936826cb874a0858a692ce6b6879567
SHA1

a643ddcbac410cf671eaa637e0a663d1c9c8c4a2
SHA256

dce4f7e52d3edd396d33e0c71b7743e3ff2e4631048d757bd3386e87d7f650cd
SHA512

cfeffc749ab14bd8dc82e9a880dd6568d555f1910cfd34f9ccee62fae0f7b91bf55fcd45c3fbca088767e4ea2c0b02f269d627f7999edb9992b8aa2f9f651c93
SSDEEP

768:3hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2v:RsWE9N5dFu53dsniQaB/xZ14n7zIF+qb

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0C8A0029 = "C:\\Users\\Admin\\AppData\\Roaming\\0C8A0029\\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/2264-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2612	556	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	dce4f7e52d3edd396d33e0c71b7743e3ff2e4631048d757bd3386e87d7f650cd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
556	winver.exe
556	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
556	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 556	2264	dce4f7e52d3edd396d33e0c71b7743e3ff2e4631048d757bd3386e87d7f650cd.exe	84
PID 2264 wrote to memory of 556	2264	dce4f7e52d3edd396d33e0c71b7743e3ff2e4631048d757bd3386e87d7f650cd.exe	84
PID 2264 wrote to memory of 556	2264	dce4f7e52d3edd396d33e0c71b7743e3ff2e4631048d757bd3386e87d7f650cd.exe	84
PID 2264 wrote to memory of 556	2264	dce4f7e52d3edd396d33e0c71b7743e3ff2e4631048d757bd3386e87d7f650cd.exe	84
PID 556 wrote to memory of 3424	556	winver.exe	56
PID 556 wrote to memory of 2956	556	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2956

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3424
- C:\Users\Admin\AppData\Local\Temp\dce4f7e52d3edd396d33e0c71b7743e3ff2e4631048d757bd3386e87d7f650cd.exe
  "C:\Users\Admin\AppData\Local\Temp\dce4f7e52d3edd396d33e0c71b7743e3ff2e4631048d757bd3386e87d7f650cd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2264
- - 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:556
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 556 -s 352
      4⤵
      Program crash
      PID:2612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 556 -ip 556
1⤵
PID:1660

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/556-6-0x0000000077CD2000-0x0000000077CD3000-memory.dmp

Filesize
4KB

Download
memory/556-15-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

Filesize
24KB

Download
memory/556-8-0x00007FF9AA950000-0x00007FF9AAB45000-memory.dmp

Filesize
2.0MB

Download
memory/556-5-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

Filesize
24KB

Download
memory/2264-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2264-4-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/2264-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2264-10-0x00000000022D0000-0x0000000002CD0000-memory.dmp

Filesize
10.0MB

Download
memory/2264-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/2956-14-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/3424-7-0x00007FF9AA9ED000-0x00007FF9AA9EE000-memory.dmp

Filesize
4KB

Download
memory/3424-2-0x0000000001F70000-0x0000000001F76000-memory.dmp

Filesize
24KB

Download
memory/3424-3-0x0000000001F70000-0x0000000001F76000-memory.dmp

Filesize
24KB

Download