tinba | e41127a66e3ce0fe4575633934fd7d1dbbb63681036aa505d90ce3ff7df0a327

General

Target

e41127a66e3ce0fe4575633934fd7d1dbbb63681036aa505d90ce3ff7df0a327N.exe
Size

49KB
MD5

849aec684c73544c2890140fa5af5dc0
SHA1

aaa7fb324b83352a2388cbfb7eada521bdc1deca
SHA256

e41127a66e3ce0fe4575633934fd7d1dbbb63681036aa505d90ce3ff7df0a327
SHA512

b1039dff22217c476e9c0716562b7e89313cce1497968dc43bb1c66f0759c6f325b1984ccdf2a71310f4b7b739488005dacb6012461beaffe064100e5aa80aef
SSDEEP

1536:eOBLXNqgzf2v6b6NkXklZlogHGe9eBXW:eYLduv6OqXIlogmjW

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

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\60834F40 = "C:\\Users\\Admin\\AppData\\Roaming\\60834F40\\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/2596-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4600	2604	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	e41127a66e3ce0fe4575633934fd7d1dbbb63681036aa505d90ce3ff7df0a327N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2604	winver.exe
2604	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

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

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2604	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3520	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 2604	2596	e41127a66e3ce0fe4575633934fd7d1dbbb63681036aa505d90ce3ff7df0a327N.exe	85
PID 2596 wrote to memory of 2604	2596	e41127a66e3ce0fe4575633934fd7d1dbbb63681036aa505d90ce3ff7df0a327N.exe	85
PID 2596 wrote to memory of 2604	2596	e41127a66e3ce0fe4575633934fd7d1dbbb63681036aa505d90ce3ff7df0a327N.exe	85
PID 2596 wrote to memory of 2604	2596	e41127a66e3ce0fe4575633934fd7d1dbbb63681036aa505d90ce3ff7df0a327N.exe	85
PID 2604 wrote to memory of 3520	2604	winver.exe	56
PID 2604 wrote to memory of 2712	2604	winver.exe	45

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3520
- C:\Users\Admin\AppData\Local\Temp\e41127a66e3ce0fe4575633934fd7d1dbbb63681036aa505d90ce3ff7df0a327N.exe
  "C:\Users\Admin\AppData\Local\Temp\e41127a66e3ce0fe4575633934fd7d1dbbb63681036aa505d90ce3ff7df0a327N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2596
- - 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:2604
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 352
      4⤵
      Program crash
      PID:4600

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2604 -ip 2604
1⤵
PID:2264

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/2596-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2596-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/2596-10-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/2596-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2596-4-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/2604-6-0x00000000772D2000-0x00000000772D3000-memory.dmp

Filesize
4KB

Download
memory/2604-5-0x0000000002400000-0x0000000002406000-memory.dmp

Filesize
24KB

Download
memory/2604-8-0x00007FFACA290000-0x00007FFACA485000-memory.dmp

Filesize
2.0MB

Download
memory/2604-16-0x0000000002400000-0x0000000002406000-memory.dmp

Filesize
24KB

Download
memory/2712-15-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/3520-7-0x00007FFACA32D000-0x00007FFACA32E000-memory.dmp

Filesize
4KB

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

Filesize
24KB

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

Filesize
24KB

Download
memory/3520-11-0x00007FFACA4C0000-0x00007FFACA4C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads