tinba | c5473cdd86561ef8661e317f5cd641fcc93f798522dadd6a8439ec9c5fa03050

Analysis

max time kernel
114s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-01-2025 17:24

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General

Target

c5473cdd86561ef8661e317f5cd641fcc93f798522dadd6a8439ec9c5fa03050N.exe
Size

89KB
MD5

d7be1bd217232d5240dfe40f8b9116d0
SHA1

b1d2674d44215a8369d07c2ce2f710078d9844d2
SHA256

c5473cdd86561ef8661e317f5cd641fcc93f798522dadd6a8439ec9c5fa03050
SHA512

1a04d24f438c5e2e54501e097682723fdeaab175da8315b61f4d1cd37c1697600f313f299c8fd0be9f4be15590820efb610fb7f767dbaec818bfb7de6a5990af
SSDEEP

1536:o1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7a:8+4MJIkLZJNAQ9Jo9a

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9A085BEF = "C:\\Users\\Admin\\AppData\\Roaming\\9A085BEF\\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/804-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1460	4180	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c5473cdd86561ef8661e317f5cd641fcc93f798522dadd6a8439ec9c5fa03050N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4180	winver.exe
4180	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4180	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 804 wrote to memory of 4180	804	c5473cdd86561ef8661e317f5cd641fcc93f798522dadd6a8439ec9c5fa03050N.exe	84
PID 804 wrote to memory of 4180	804	c5473cdd86561ef8661e317f5cd641fcc93f798522dadd6a8439ec9c5fa03050N.exe	84
PID 804 wrote to memory of 4180	804	c5473cdd86561ef8661e317f5cd641fcc93f798522dadd6a8439ec9c5fa03050N.exe	84
PID 804 wrote to memory of 4180	804	c5473cdd86561ef8661e317f5cd641fcc93f798522dadd6a8439ec9c5fa03050N.exe	84
PID 4180 wrote to memory of 3460	4180	winver.exe	56
PID 4180 wrote to memory of 3060	4180	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3060

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3460
- C:\Users\Admin\AppData\Local\Temp\c5473cdd86561ef8661e317f5cd641fcc93f798522dadd6a8439ec9c5fa03050N.exe
  "C:\Users\Admin\AppData\Local\Temp\c5473cdd86561ef8661e317f5cd641fcc93f798522dadd6a8439ec9c5fa03050N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:804
- - 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:4180
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4180 -s 352
      4⤵
      Program crash
      PID:1460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4180 -ip 4180
1⤵
PID:2860

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/804-9-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/804-1-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/804-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/804-4-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/804-10-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/3060-14-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/3460-3-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/3460-7-0x00007FFFF872D000-0x00007FFFF872E000-memory.dmp

Filesize
4KB

Download
memory/3460-2-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/4180-5-0x0000000001220000-0x0000000001226000-memory.dmp

Filesize
24KB

Download
memory/4180-8-0x00007FFFF8690000-0x00007FFFF8885000-memory.dmp

Filesize
2.0MB

Download
memory/4180-6-0x0000000077122000-0x0000000077123000-memory.dmp

Filesize
4KB

Download
memory/4180-15-0x0000000001220000-0x0000000001226000-memory.dmp

Filesize
24KB

Download