tinba | d8ce9510ff7d939e519f8160f874c4db0098b599e8c724fa6c6f29bf68d48b24

Analysis

max time kernel
111s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2024 11:43

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General

Target

d8ce9510ff7d939e519f8160f874c4db0098b599e8c724fa6c6f29bf68d48b24N.exe
Size

88KB
MD5

289da58509426bed6798d332fd5b37b0
SHA1

2246967a4a79ef9b1fafc0d69eebf8619efafaf4
SHA256

d8ce9510ff7d939e519f8160f874c4db0098b599e8c724fa6c6f29bf68d48b24
SHA512

151e5106199f076e6cfebeaf8c819c0bb845914cd28d3eb2318a9c7f02bbbc6e6884510b6c744db981df62f933eddbf99105f01a64cbc67ee38c4421d0576087
SSDEEP

1536:M5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:M5fvp12UFKcD/6jwqWsNI

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3CB7DA91 = "C:\\Users\\Admin\\AppData\\Roaming\\3CB7DA91\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5060	2664	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	d8ce9510ff7d939e519f8160f874c4db0098b599e8c724fa6c6f29bf68d48b24N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2664	winver.exe
2664	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3348	Explorer.EXE
Token: SeCreatePagefilePrivilege	3348	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2664	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 808 wrote to memory of 2664	808	d8ce9510ff7d939e519f8160f874c4db0098b599e8c724fa6c6f29bf68d48b24N.exe	84
PID 808 wrote to memory of 2664	808	d8ce9510ff7d939e519f8160f874c4db0098b599e8c724fa6c6f29bf68d48b24N.exe	84
PID 808 wrote to memory of 2664	808	d8ce9510ff7d939e519f8160f874c4db0098b599e8c724fa6c6f29bf68d48b24N.exe	84
PID 808 wrote to memory of 2664	808	d8ce9510ff7d939e519f8160f874c4db0098b599e8c724fa6c6f29bf68d48b24N.exe	84
PID 2664 wrote to memory of 3348	2664	winver.exe	56
PID 2664 wrote to memory of 2656	2664	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2656

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3348
- C:\Users\Admin\AppData\Local\Temp\d8ce9510ff7d939e519f8160f874c4db0098b599e8c724fa6c6f29bf68d48b24N.exe
  "C:\Users\Admin\AppData\Local\Temp\d8ce9510ff7d939e519f8160f874c4db0098b599e8c724fa6c6f29bf68d48b24N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:808
- - 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:2664
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 352
      4⤵
      Program crash
      PID:5060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2664 -ip 2664
1⤵
PID:4228

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/808-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/808-3-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/808-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/808-9-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/2656-13-0x0000000000070000-0x0000000000076000-memory.dmp

Filesize
24KB

Download
memory/2664-5-0x0000000077852000-0x0000000077853000-memory.dmp

Filesize
4KB

Download
memory/2664-4-0x0000000001040000-0x0000000001046000-memory.dmp

Filesize
24KB

Download
memory/2664-7-0x00007FF93D2B0000-0x00007FF93D4A5000-memory.dmp

Filesize
2.0MB

Download
memory/2664-14-0x0000000001040000-0x0000000001046000-memory.dmp

Filesize
24KB

Download
memory/3348-1-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download
memory/3348-2-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download
memory/3348-6-0x00007FF93D34D000-0x00007FF93D34E000-memory.dmp

Filesize
4KB

Download