tinba | dff7d0d4e226898258318c400b4a114eda9f23ad8358e9dead4969ebf8ed9153

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-12-2024 16:45

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General

Target

dff7d0d4e226898258318c400b4a114eda9f23ad8358e9dead4969ebf8ed9153.exe
Size

34KB
MD5

86d18bd28889180f5c4f041caa5cbcc4
SHA1

946999f726f5885c625a1d4e9423d97eb768ccbe
SHA256

dff7d0d4e226898258318c400b4a114eda9f23ad8358e9dead4969ebf8ed9153
SHA512

87a7518666cd9858973d87252d7a53cbfd96a1d66a584b0067f265b2a11db6d00ea81f1a2a073ab68880b5157f4f25d19bcdd391c9c06c591a981c625bae3a69
SSDEEP

768:Wp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9JG:WpYoX58z1uirL98xMWnT0OQ9JG

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\A879DB70 = "C:\\Users\\Admin\\AppData\\Roaming\\A879DB70\\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/2640-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2236	4260	WerFault.exe	83

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	dff7d0d4e226898258318c400b4a114eda9f23ad8358e9dead4969ebf8ed9153.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4260	winver.exe
4260	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3356	Explorer.EXE
Token: SeCreatePagefilePrivilege	3356	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4260	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 4260	2640	dff7d0d4e226898258318c400b4a114eda9f23ad8358e9dead4969ebf8ed9153.exe	83
PID 2640 wrote to memory of 4260	2640	dff7d0d4e226898258318c400b4a114eda9f23ad8358e9dead4969ebf8ed9153.exe	83
PID 2640 wrote to memory of 4260	2640	dff7d0d4e226898258318c400b4a114eda9f23ad8358e9dead4969ebf8ed9153.exe	83
PID 2640 wrote to memory of 4260	2640	dff7d0d4e226898258318c400b4a114eda9f23ad8358e9dead4969ebf8ed9153.exe	83
PID 4260 wrote to memory of 3356	4260	winver.exe	55
PID 4260 wrote to memory of 2876	4260	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2876

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3356
- C:\Users\Admin\AppData\Local\Temp\dff7d0d4e226898258318c400b4a114eda9f23ad8358e9dead4969ebf8ed9153.exe
  "C:\Users\Admin\AppData\Local\Temp\dff7d0d4e226898258318c400b4a114eda9f23ad8358e9dead4969ebf8ed9153.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2640
- - 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:4260
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4260 -s 352
      4⤵
      Program crash
      PID:2236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4260 -ip 4260
1⤵
PID:4288

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/2640-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2640-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/2640-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2640-4-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/2640-9-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/2876-13-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/3356-3-0x0000000001220000-0x0000000001226000-memory.dmp

Filesize
24KB

Download
memory/3356-6-0x00007FFFEB40D000-0x00007FFFEB40E000-memory.dmp

Filesize
4KB

Download
memory/3356-2-0x0000000001220000-0x0000000001226000-memory.dmp

Filesize
24KB

Download
memory/4260-7-0x00007FFFEB370000-0x00007FFFEB565000-memory.dmp

Filesize
2.0MB

Download
memory/4260-5-0x0000000076FA2000-0x0000000076FA3000-memory.dmp

Filesize
4KB

Download
memory/4260-11-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download
memory/4260-14-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download