tinba | a20f57fa9cd5d5322cb3b718fcbb857ae9af25f63a376524cc7bce975bbe96ee

Analysis

max time kernel
133s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
31/03/2024, 22:12

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General

Target
5f8986ef8db004964a7e7f64ed3e0d7f_JaffaCakes118.exe
Size 34KB
Sample240331-14g54ade91
SHA256 a20f57fa9cd5d5322cb3b718fcbb857ae9af25f63a376524cc7bce975bbe96ee
MD5 5f8986ef8db004964a7e7f64ed3e0d7f
SHA1 fc65db556ba81fc38b2508dfa457f631868743cf
SHA512 ebce587f08089d23164b15937acf9baf44f7eb352e35eb446564b05f725b32f368081ed1694fe623fac67606476a3011c6472ea13ef40aa9cd999b771ba34742
SSDEEP 768:Pp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:PpYoX58z1uirL98xMWnT0OQ9J2
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tinba banker persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1668-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

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-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6EE5B978 = "C:\\Users\\Admin\\AppData\\Roaming\\6EE5B978\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
800	4636	WerFault.exe	86

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4636	winver.exe
4636	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3384	Explorer.EXE
Token: SeCreatePagefilePrivilege	3384	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4636	winver.exe
3384	Explorer.EXE
3384	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3384	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 4636	1668	5f8986ef8db004964a7e7f64ed3e0d7f_JaffaCakes118.exe	86
PID 1668 wrote to memory of 4636	1668	5f8986ef8db004964a7e7f64ed3e0d7f_JaffaCakes118.exe	86
PID 1668 wrote to memory of 4636	1668	5f8986ef8db004964a7e7f64ed3e0d7f_JaffaCakes118.exe	86
PID 1668 wrote to memory of 4636	1668	5f8986ef8db004964a7e7f64ed3e0d7f_JaffaCakes118.exe	86
PID 4636 wrote to memory of 3384	4636	winver.exe	56
PID 4636 wrote to memory of 2788	4636	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2788

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3384
- C:\Users\Admin\AppData\Local\Temp\5f8986ef8db004964a7e7f64ed3e0d7f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\5f8986ef8db004964a7e7f64ed3e0d7f_JaffaCakes118.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1668
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4636
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4636 -s 356
      4⤵
      Program crash
      PID:800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4636 -ip 4636
1⤵
PID:4392

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1668-9-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/1668-1-0x00000000006B0000-0x00000000006B1000-memory.dmp

Download

memory/1668-4-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Download

memory/1668-0-0x0000000000400000-0x0000000000417000-memory.dmp

Download

memory/2788-14-0x0000000000FD0000-0x0000000000FD6000-memory.dmp

Download

memory/3384-2-0x0000000002BE0000-0x0000000002BE6000-memory.dmp

Download

memory/3384-3-0x0000000002BE0000-0x0000000002BE6000-memory.dmp

Download

memory/3384-6-0x00007FF9D80CD000-0x00007FF9D80CE000-memory.dmp

Download

memory/3384-8-0x00007FF9D8260000-0x00007FF9D8261000-memory.dmp

Download

memory/3384-10-0x00007FF9D8240000-0x00007FF9D8241000-memory.dmp

Download

memory/4636-5-0x00000000774D2000-0x00000000774D3000-memory.dmp

Download

memory/4636-7-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Download

memory/4636-15-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Download