tinba | f1b786d875b7f3b43a7ca2c294c68be60d1194cfd0c4ae2ec39e2ba64afd9aee

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/12/2024, 02:21

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

f1b786d875b7f3b43a7ca2c294c68be60d1194cfd0c4ae2ec39e2ba64afd9aeeN.exe
Size

110KB
MD5

ddd383b242d5f8324c97dd4b63e287f0
SHA1

2bd82c1bd07031147ef0ffb4d77200ff801d4a39
SHA256

f1b786d875b7f3b43a7ca2c294c68be60d1194cfd0c4ae2ec39e2ba64afd9aee
SHA512

ba4ee5ffebe352147d44a0d72ec1d21246ed72b443ad41efd28158e00bed7b1aeb76873086276d27d234e8740e10db3a62ae384a7e257eea7ce46977a7ba26dd
SSDEEP

1536:UiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:UiyvRmDLs/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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\D3F26C3A = "C:\\Users\\Admin\\AppData\\Roaming\\D3F26C3A\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2132-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

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	f1b786d875b7f3b43a7ca2c294c68be60d1194cfd0c4ae2ec39e2ba64afd9aeeN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe
3012	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3012	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 3012	2132	f1b786d875b7f3b43a7ca2c294c68be60d1194cfd0c4ae2ec39e2ba64afd9aeeN.exe	32
PID 2132 wrote to memory of 3012	2132	f1b786d875b7f3b43a7ca2c294c68be60d1194cfd0c4ae2ec39e2ba64afd9aeeN.exe	32
PID 2132 wrote to memory of 3012	2132	f1b786d875b7f3b43a7ca2c294c68be60d1194cfd0c4ae2ec39e2ba64afd9aeeN.exe	32
PID 2132 wrote to memory of 3012	2132	f1b786d875b7f3b43a7ca2c294c68be60d1194cfd0c4ae2ec39e2ba64afd9aeeN.exe	32
PID 2132 wrote to memory of 3012	2132	f1b786d875b7f3b43a7ca2c294c68be60d1194cfd0c4ae2ec39e2ba64afd9aeeN.exe	32
PID 3012 wrote to memory of 1124	3012	winver.exe	20
PID 3012 wrote to memory of 1044	3012	winver.exe	17
PID 3012 wrote to memory of 1068	3012	winver.exe	18
PID 3012 wrote to memory of 1124	3012	winver.exe	20
PID 3012 wrote to memory of 1956	3012	winver.exe	23

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1044

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1068

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1124
- C:\Users\Admin\AppData\Local\Temp\f1b786d875b7f3b43a7ca2c294c68be60d1194cfd0c4ae2ec39e2ba64afd9aeeN.exe
  "C:\Users\Admin\AppData\Local\Temp\f1b786d875b7f3b43a7ca2c294c68be60d1194cfd0c4ae2ec39e2ba64afd9aeeN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2132
- - 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:3012

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1956

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1044-24-0x0000000077C11000-0x0000000077C12000-memory.dmp

Filesize
4KB

Download
memory/1044-23-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1068-20-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1068-25-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1124-4-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1124-3-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1124-2-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1124-10-0x0000000077C11000-0x0000000077C12000-memory.dmp

Filesize
4KB

Download
memory/1124-27-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1124-22-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1956-32-0x0000000077C11000-0x0000000077C12000-memory.dmp

Filesize
4KB

Download
memory/1956-31-0x0000000001C60000-0x0000000001C66000-memory.dmp

Filesize
24KB

Download
memory/2132-5-0x0000000001E80000-0x0000000002880000-memory.dmp

Filesize
10.0MB

Download
memory/2132-13-0x0000000001E80000-0x0000000002880000-memory.dmp

Filesize
10.0MB

Download
memory/2132-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2132-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2132-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3012-11-0x0000000077BC0000-0x0000000077D69000-memory.dmp

Filesize
1.7MB

Download
memory/3012-6-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/3012-7-0x0000000077DC0000-0x0000000077DC1000-memory.dmp

Filesize
4KB

Download
memory/3012-26-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/3012-8-0x0000000077DBF000-0x0000000077DC0000-memory.dmp

Filesize
4KB

Download
memory/3012-9-0x0000000077DBF000-0x0000000077DC1000-memory.dmp

Filesize
8KB

Download