tinba | cc88b550c439a24848c7abe10e8b2ce7c35fa71cfe99d8527bb86194f7459113

General

Target

87424284eb5ac8ba76507b31d8529b50b2ca308b555e5d711c3a55b423a5db5c.exe
Size

34KB
MD5

ed17ab0a7cf96cee39bb6a1d89ff77da
SHA1

4687b6e477cfb9424afe49d6a40c68bd5f8c96c5
SHA256

87424284eb5ac8ba76507b31d8529b50b2ca308b555e5d711c3a55b423a5db5c
SHA512

ffdf8a7fd18b165927e1d250e0b46282cf6ebbee7d8552d2d19202d5adcc05919b7bf6ac1163fcf6b04d12008516065a5d63d03f4c955c91357608c99b32a81c
SSDEEP

768:hp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:hpYoX58z1uirL98xMWnT0OQ9J2

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/2468-0-0x0000000000400000-0x0000000000417000-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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CF8A0896 = "C:\\Users\\Admin\\AppData\\Roaming\\CF8A0896\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4068	700	WerFault.exe	92

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	87424284eb5ac8ba76507b31d8529b50b2ca308b555e5d711c3a55b423a5db5c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
700	winver.exe
700	winver.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
700	winver.exe
3432	Explorer.EXE
3432	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3432	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 700	2468	87424284eb5ac8ba76507b31d8529b50b2ca308b555e5d711c3a55b423a5db5c.exe	92
PID 2468 wrote to memory of 700	2468	87424284eb5ac8ba76507b31d8529b50b2ca308b555e5d711c3a55b423a5db5c.exe	92
PID 2468 wrote to memory of 700	2468	87424284eb5ac8ba76507b31d8529b50b2ca308b555e5d711c3a55b423a5db5c.exe	92
PID 2468 wrote to memory of 700	2468	87424284eb5ac8ba76507b31d8529b50b2ca308b555e5d711c3a55b423a5db5c.exe	92
PID 700 wrote to memory of 3432	700	winver.exe	55
PID 700 wrote to memory of 2088	700	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2088

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3432
- C:\Users\Admin\AppData\Local\Temp\87424284eb5ac8ba76507b31d8529b50b2ca308b555e5d711c3a55b423a5db5c.exe
  "C:\Users\Admin\AppData\Local\Temp\87424284eb5ac8ba76507b31d8529b50b2ca308b555e5d711c3a55b423a5db5c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2468
- - 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:700
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 700 -s 352
      4⤵
      Program crash
      PID:4068

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4512,i,16315016104747277319,5510969007830467313,262144 --variations-seed-version --mojo-platform-channel-handle=1904 /prefetch:8
1⤵
PID:756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 700 -ip 700
1⤵
PID:4216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/700-5-0x00000000776D2000-0x00000000776D3000-memory.dmp

Filesize
4KB

Download
memory/700-17-0x0000000000950000-0x0000000000956000-memory.dmp

Filesize
24KB

Download
memory/700-14-0x0000000000950000-0x0000000000956000-memory.dmp

Filesize
24KB

Download
memory/700-7-0x00007FF965F30000-0x00007FF966125000-memory.dmp

Filesize
2.0MB

Download
memory/2088-18-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2088-16-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2468-4-0x0000000002100000-0x0000000002B00000-memory.dmp

Filesize
10.0MB

Download
memory/2468-10-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2468-11-0x0000000002100000-0x0000000002B00000-memory.dmp

Filesize
10.0MB

Download
memory/2468-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2468-1-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download
memory/3432-6-0x00007FF965FCD000-0x00007FF965FCE000-memory.dmp

Filesize
4KB

Download
memory/3432-8-0x00007FF966160000-0x00007FF966161000-memory.dmp

Filesize
4KB

Download
memory/3432-12-0x00007FF966140000-0x00007FF966141000-memory.dmp

Filesize
4KB

Download
memory/3432-3-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/3432-2-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads