tinba | d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3b

General

Target

d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exe
Size

113KB
MD5

d5ce1f55b1c6fbe97badc286bd67d550
SHA1

51355cc8d0706168c6c452b4116ab34ed2ae463f
SHA256

d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3b
SHA512

988e6699223f039fee43e1f9a16b21b2f40a1e2a603fd66b68c748420d2a2b40014ea3d9e48d56d3e18dc8b472126b01e9b0c677757d0d90b7f739dc8a259e91
SSDEEP

1536:3iLOvRmmQegJfBbmAQ256/ZrwWhwqjhurmKFcbL86WV0E:3iyvRmDLs/ZrwWjjAqGcfzWH

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

Processes:

winver.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0CFE1B1B = "C:\\Users\\Admin\\AppData\\Roaming\\0CFE1B1B\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/956-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2788 236 WerFault.exe winver.exe

pid	pid_target	process	target process
2788	236	WerFault.exe	winver.exe

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

Processes:

d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exewinver.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 1 IoCs

Processes:

Explorer.EXE

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Explorer.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

winver.exe

pid process

236 winver.exe
236 winver.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

pid	process
236	winver.exe
236	winver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

Explorer.EXE

description	pid	process
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

winver.exeExplorer.EXE

pid process

236 winver.exe
3476 Explorer.EXE
3476 Explorer.EXE
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3476 Explorer.EXE

pid	process
236	winver.exe
3476	Explorer.EXE
3476	Explorer.EXE

pid	process
3476	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exewinver.exe

description	pid	process	target process
PID 956 wrote to memory of 236	956	d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exe	winver.exe
PID 956 wrote to memory of 236	956	d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exe	winver.exe
PID 956 wrote to memory of 236	956	d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exe	winver.exe
PID 956 wrote to memory of 236	956	d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exe	winver.exe
PID 236 wrote to memory of 3476	236	winver.exe	Explorer.EXE
PID 236 wrote to memory of 2700	236	winver.exe	sihost.exe

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2700

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3476
- C:\Users\Admin\AppData\Local\Temp\d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exe
  "C:\Users\Admin\AppData\Local\Temp\d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:956
- - 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:236
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 236 -s 352
      4⤵
      Program crash
      PID:2788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 236 -ip 236
1⤵
PID:3172

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/236-13-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download
memory/236-16-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download
memory/236-5-0x0000000077762000-0x0000000077763000-memory.dmp

Filesize
4KB

Download
memory/236-7-0x00007FF8B5B90000-0x00007FF8B5D85000-memory.dmp

Filesize
2.0MB

Download
memory/956-1-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/956-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/956-4-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/956-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/956-9-0x0000000002280000-0x0000000002C80000-memory.dmp

Filesize
10.0MB

Download
memory/2700-15-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download
memory/3476-3-0x00000000007A0000-0x00000000007A6000-memory.dmp

Filesize
24KB

Download
memory/3476-11-0x00007FF8B5DA0000-0x00007FF8B5DA1000-memory.dmp

Filesize
4KB

Download
memory/3476-10-0x00007FF8B5DC0000-0x00007FF8B5DC1000-memory.dmp

Filesize
4KB

Download
memory/3476-6-0x00007FF8B5C2D000-0x00007FF8B5C2E000-memory.dmp

Filesize
4KB

Download
memory/3476-2-0x00000000007A0000-0x00000000007A6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads