tinba | 3cf5b8e27a65ab10c6cd04fedb1b471a2c381d0518a98ca4152e3b44940eae6b

General

Target

3cf5b8e27a65ab10c6cd04fedb1b471a2c381d0518a98ca4152e3b44940eae6bN.exe
Size

110KB
MD5

aa3d62dfce612fefd36743ede934cc90
SHA1

e77340c0a2d607fa4443b643fe11535e3ab09cca
SHA256

3cf5b8e27a65ab10c6cd04fedb1b471a2c381d0518a98ca4152e3b44940eae6b
SHA512

2300f27abc1d7342925ca90bc666b209fc7ad399a61cdd5093e4dc8cfda00fc0697d1575bc7a0bfa62c5d578cdab84c70c30d39d8a06cc0973a706141a99b45f
SSDEEP

1536:giLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:giyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9D29CB63 = "C:\\Users\\Admin\\AppData\\Roaming\\9D29CB63\\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/1384-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1904	2252	WerFault.exe	84

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	3cf5b8e27a65ab10c6cd04fedb1b471a2c381d0518a98ca4152e3b44940eae6bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 1 IoCs

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2252	winver.exe
2252	winver.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2252	winver.exe
3428	Explorer.EXE
3428	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3428	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1384 wrote to memory of 2252	1384	3cf5b8e27a65ab10c6cd04fedb1b471a2c381d0518a98ca4152e3b44940eae6bN.exe	84
PID 1384 wrote to memory of 2252	1384	3cf5b8e27a65ab10c6cd04fedb1b471a2c381d0518a98ca4152e3b44940eae6bN.exe	84
PID 1384 wrote to memory of 2252	1384	3cf5b8e27a65ab10c6cd04fedb1b471a2c381d0518a98ca4152e3b44940eae6bN.exe	84
PID 1384 wrote to memory of 2252	1384	3cf5b8e27a65ab10c6cd04fedb1b471a2c381d0518a98ca4152e3b44940eae6bN.exe	84
PID 2252 wrote to memory of 3428	2252	winver.exe	56
PID 2252 wrote to memory of 912	2252	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:912

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:3428
- C:\Users\Admin\AppData\Local\Temp\3cf5b8e27a65ab10c6cd04fedb1b471a2c381d0518a98ca4152e3b44940eae6bN.exe
  "C:\Users\Admin\AppData\Local\Temp\3cf5b8e27a65ab10c6cd04fedb1b471a2c381d0518a98ca4152e3b44940eae6bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1384
- - 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:2252
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2252 -s 352
      4⤵
      Program crash
      PID:1904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2252 -ip 2252
1⤵
PID:3840

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/912-16-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/1384-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1384-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/1384-10-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Filesize
10.0MB

Download
memory/1384-4-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Filesize
10.0MB

Download
memory/1384-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2252-5-0x0000000077562000-0x0000000077563000-memory.dmp

Filesize
4KB

Download
memory/2252-7-0x00007FFB2F010000-0x00007FFB2F205000-memory.dmp

Filesize
2.0MB

Download
memory/2252-14-0x0000000001100000-0x0000000001106000-memory.dmp

Filesize
24KB

Download
memory/2252-17-0x0000000001100000-0x0000000001106000-memory.dmp

Filesize
24KB

Download
memory/3428-6-0x00007FFB2F0AD000-0x00007FFB2F0AE000-memory.dmp

Filesize
4KB

Download
memory/3428-2-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download
memory/3428-12-0x00007FFB2F220000-0x00007FFB2F221000-memory.dmp

Filesize
4KB

Download
memory/3428-11-0x00007FFB2F240000-0x00007FFB2F241000-memory.dmp

Filesize
4KB

Download
memory/3428-3-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads