tinba | 77362afa6a8f86a23fe21729908ff8525c87b07d1e49e178eed54d8e08c8ed05

Analysis

max time kernel
119s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
14/09/2024, 13:19

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General

Target

d298f5d73413c3f4f9bcaea59b1f2970N.exe
Size

34KB
MD5

d298f5d73413c3f4f9bcaea59b1f2970
SHA1

779f7b3154f4bf88dfb18a236e4b17738021ada6
SHA256

77362afa6a8f86a23fe21729908ff8525c87b07d1e49e178eed54d8e08c8ed05
SHA512

bde26aab8456f82eea1793c9be6dc5be9f216e997bbe8d4b4b1e909849556130eb6bbabda66f81c510e4f49edabe536c54201e3116400d89838a4080c3041da6
SSDEEP

768:wp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:wpYoX58z1uirL98xMWnT0OQ9J2

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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3892-0-0x0000000000400000-0x0000000000417000-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-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1A158B86 = "C:\\Users\\Admin\\AppData\\Roaming\\1A158B86\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2908	4404	WerFault.exe	86

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	d298f5d73413c3f4f9bcaea59b1f2970N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4404	winver.exe
4404	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
4404	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3460	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3892 wrote to memory of 4404	3892	d298f5d73413c3f4f9bcaea59b1f2970N.exe	86
PID 3892 wrote to memory of 4404	3892	d298f5d73413c3f4f9bcaea59b1f2970N.exe	86
PID 3892 wrote to memory of 4404	3892	d298f5d73413c3f4f9bcaea59b1f2970N.exe	86
PID 3892 wrote to memory of 4404	3892	d298f5d73413c3f4f9bcaea59b1f2970N.exe	86
PID 4404 wrote to memory of 3460	4404	winver.exe	56
PID 4404 wrote to memory of 2588	4404	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2588

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3460
- C:\Users\Admin\AppData\Local\Temp\d298f5d73413c3f4f9bcaea59b1f2970N.exe
  "C:\Users\Admin\AppData\Local\Temp\d298f5d73413c3f4f9bcaea59b1f2970N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3892
- - 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:4404
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4404 -s 352
      4⤵
      Program crash
      PID:2908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4404 -ip 4404
1⤵
PID:1824

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/2588-13-0x0000000000990000-0x0000000000996000-memory.dmp

Filesize
24KB

Download
memory/3460-6-0x00007FFE6CE2D000-0x00007FFE6CE2E000-memory.dmp

Filesize
4KB

Download
memory/3460-16-0x00007FFE6CFC0000-0x00007FFE6CFC1000-memory.dmp

Filesize
4KB

Download
memory/3460-3-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/3460-2-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/3892-9-0x0000000002170000-0x0000000002B70000-memory.dmp

Filesize
10.0MB

Download
memory/3892-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3892-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3892-4-0x0000000002170000-0x0000000002B70000-memory.dmp

Filesize
10.0MB

Download
memory/3892-1-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/4404-5-0x0000000077992000-0x0000000077993000-memory.dmp

Filesize
4KB

Download
memory/4404-7-0x00007FFE6CD90000-0x00007FFE6CF85000-memory.dmp

Filesize
2.0MB

Download
memory/4404-11-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download
memory/4404-14-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download