tinba | d29a2d5721500e7fb1d75bd1fee91ec4b6bf595a06c7944ac3bfcbb45d030589

General

Target

d29a2d5721500e7fb1d75bd1fee91ec4b6bf595a06c7944ac3bfcbb45d030589.exe
Size

49KB
MD5

ae78f665de8ef596f9bdad14274f8f8b
SHA1

16a8c273484c617f6fff6d6e69800c34954fce22
SHA256

d29a2d5721500e7fb1d75bd1fee91ec4b6bf595a06c7944ac3bfcbb45d030589
SHA512

44555c19684fdcd88c3425993b5ae4e0d3517ef0b2567824eb1639d72ff4f3d793c40a39a637b252b631f407f24c58e65d80bb61dd7a1061f3f399e7f6d05aad
SSDEEP

1536:wOBLXNqgzf2v6b6NkXklZlogHGe9eBXWP:wYLduv6OqXIlogmjWP

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E1C35A84 = "C:\\Users\\Admin\\AppData\\Roaming\\E1C35A84\\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/1832-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3132	3184	WerFault.exe	85

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d29a2d5721500e7fb1d75bd1fee91ec4b6bf595a06c7944ac3bfcbb45d030589.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
3184	winver.exe
3184	winver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3184	winver.exe
3520	Explorer.EXE
3520	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3520	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 3184	1832	d29a2d5721500e7fb1d75bd1fee91ec4b6bf595a06c7944ac3bfcbb45d030589.exe	85
PID 1832 wrote to memory of 3184	1832	d29a2d5721500e7fb1d75bd1fee91ec4b6bf595a06c7944ac3bfcbb45d030589.exe	85
PID 1832 wrote to memory of 3184	1832	d29a2d5721500e7fb1d75bd1fee91ec4b6bf595a06c7944ac3bfcbb45d030589.exe	85
PID 1832 wrote to memory of 3184	1832	d29a2d5721500e7fb1d75bd1fee91ec4b6bf595a06c7944ac3bfcbb45d030589.exe	85
PID 3184 wrote to memory of 3520	3184	winver.exe	56
PID 3184 wrote to memory of 2712	3184	winver.exe	45

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2712

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:3520
- C:\Users\Admin\AppData\Local\Temp\d29a2d5721500e7fb1d75bd1fee91ec4b6bf595a06c7944ac3bfcbb45d030589.exe
  "C:\Users\Admin\AppData\Local\Temp\d29a2d5721500e7fb1d75bd1fee91ec4b6bf595a06c7944ac3bfcbb45d030589.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1832
- - 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:3184
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3184 -s 352
      4⤵
      Program crash
      PID:3132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3184 -ip 3184
1⤵
PID:2760

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/1832-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1832-1-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/1832-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1832-4-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/1832-11-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/2712-16-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/3184-17-0x0000000000C50000-0x0000000000C56000-memory.dmp

Filesize
24KB

Download
memory/3184-14-0x0000000000C50000-0x0000000000C56000-memory.dmp

Filesize
24KB

Download
memory/3184-7-0x00007FFACA290000-0x00007FFACA485000-memory.dmp

Filesize
2.0MB

Download
memory/3520-2-0x0000000000F20000-0x0000000000F26000-memory.dmp

Filesize
24KB

Download
memory/3520-8-0x00007FFACA4C0000-0x00007FFACA4C1000-memory.dmp

Filesize
4KB

Download
memory/3520-12-0x00007FFACA4A0000-0x00007FFACA4A1000-memory.dmp

Filesize
4KB

Download
memory/3520-5-0x00007FFACA32D000-0x00007FFACA32E000-memory.dmp

Filesize
4KB

Download
memory/3520-6-0x00007FFACA32C000-0x00007FFACA32D000-memory.dmp

Filesize
4KB

Download
memory/3520-3-0x0000000000F20000-0x0000000000F26000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads