tinba | 2e7d5e2c3a40c33f6d7a633c90f480efc7b4c1243d6a358570ef0653050e4144

General

Target

524e2e24834e0a335f3b62dce627696b826820bd4e14de80a2359b26c5e898e6.exe
Size

89KB
MD5

84d7240ad0abeeb45fad6c23cee9dd51
SHA1

d74ac44cbe0321018e1e43244c1743268cecb031
SHA256

524e2e24834e0a335f3b62dce627696b826820bd4e14de80a2359b26c5e898e6
SHA512

a35e330218e6409693aa041dbea6af61fd4257f9da84f6268ae9eaabc5f4ed03f2beee3848f9837ee0a8770d619d68b63a53503c23538d374dca7e6563334191
SSDEEP

1536:Rr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:V+4MJIkLZJNAQ9Jo9e

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/1060-0-0x0000000000400000-0x0000000000418000-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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\33BD1A33 = "C:\\Users\\Admin\\AppData\\Roaming\\33BD1A33\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1344	4044	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	524e2e24834e0a335f3b62dce627696b826820bd4e14de80a2359b26c5e898e6.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
4044	winver.exe
4044	winver.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4044	winver.exe
3456	Explorer.EXE
3456	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3456	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1060 wrote to memory of 4044	1060	524e2e24834e0a335f3b62dce627696b826820bd4e14de80a2359b26c5e898e6.exe	84
PID 1060 wrote to memory of 4044	1060	524e2e24834e0a335f3b62dce627696b826820bd4e14de80a2359b26c5e898e6.exe	84
PID 1060 wrote to memory of 4044	1060	524e2e24834e0a335f3b62dce627696b826820bd4e14de80a2359b26c5e898e6.exe	84
PID 1060 wrote to memory of 4044	1060	524e2e24834e0a335f3b62dce627696b826820bd4e14de80a2359b26c5e898e6.exe	84
PID 4044 wrote to memory of 3456	4044	winver.exe	56
PID 4044 wrote to memory of 2636	4044	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2636

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:3456
- C:\Users\Admin\AppData\Local\Temp\524e2e24834e0a335f3b62dce627696b826820bd4e14de80a2359b26c5e898e6.exe
  "C:\Users\Admin\AppData\Local\Temp\524e2e24834e0a335f3b62dce627696b826820bd4e14de80a2359b26c5e898e6.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1060
- - 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:4044
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4044 -s 352
      4⤵
      Program crash
      PID:1344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4044 -ip 4044
1⤵
PID:1924

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/1060-10-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1060-1-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/1060-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1060-4-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/1060-11-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/2636-16-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/3456-2-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/3456-8-0x00007FF83A360000-0x00007FF83A361000-memory.dmp

Filesize
4KB

Download
memory/3456-6-0x00007FF83A1CD000-0x00007FF83A1CE000-memory.dmp

Filesize
4KB

Download
memory/3456-12-0x00007FF83A340000-0x00007FF83A341000-memory.dmp

Filesize
4KB

Download
memory/3456-3-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/4044-7-0x00007FF83A130000-0x00007FF83A325000-memory.dmp

Filesize
2.0MB

Download
memory/4044-5-0x0000000077D52000-0x0000000077D53000-memory.dmp

Filesize
4KB

Download
memory/4044-14-0x0000000000F60000-0x0000000000F66000-memory.dmp

Filesize
24KB

Download
memory/4044-17-0x0000000000F60000-0x0000000000F66000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads