Malware Analysis Report

2025-01-19 07:30

Sample ID 231022-vxt87aeg2t
Target NEAS.80d5c3b347d7d93fcc8d585870fb2b00.exe
SHA256 c5ef60fae92f1a5eebe27f6e6fd941efdb7084ac31d0d7a0d8604c0e4a5a1b16
Tags
upx tinba banker persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c5ef60fae92f1a5eebe27f6e6fd941efdb7084ac31d0d7a0d8604c0e4a5a1b16

Threat Level: Known bad

The file NEAS.80d5c3b347d7d93fcc8d585870fb2b00.exe was found to be: Known bad.

Malicious Activity Summary

upx tinba banker persistence trojan

Tinba / TinyBanker

UPX packed file

Adds Run key to start application

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-10-22 17:22

Signatures

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-22 17:22

Reported

2023-10-22 21:13

Platform

win7-20231020-en

Max time kernel

150s

Max time network

152s

Command Line

"taskhost.exe"

Signatures

Tinba / TinyBanker

trojan banker tinba

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Windows\CurrentVersion\Run\386CABDD = "C:\\Users\\Admin\\AppData\\Roaming\\386CABDD\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\winver.exe N/A

Processes

C:\Windows\system32\taskhost.exe

"taskhost.exe"

C:\Windows\system32\Dwm.exe

"C:\Windows\system32\Dwm.exe"

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\NEAS.80d5c3b347d7d93fcc8d585870fb2b00.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.80d5c3b347d7d93fcc8d585870fb2b00.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 spaines.pw udp
US 216.218.185.162:80 spaines.pw tcp
US 8.8.8.8:53 uyhgqunqkxnx.pw udp
NL 192.42.116.41:80 uyhgqunqkxnx.pw tcp
US 8.8.8.8:53 vcklmnnejwxx.pw udp
US 216.218.185.162:80 vcklmnnejwxx.pw tcp
US 8.8.8.8:53 cmnsgscccrej.pw udp
US 216.218.185.162:80 cmnsgscccrej.pw tcp
US 8.8.8.8:53 evbsdqvgmpph.pw udp
US 216.218.185.162:80 evbsdqvgmpph.pw tcp
US 8.8.8.8:53 mfueeimvyrsp.pw udp
US 216.218.185.162:80 mfueeimvyrsp.pw tcp
US 8.8.8.8:53 utmyhnffxpcj.pw udp
US 216.218.185.162:80 utmyhnffxpcj.pw tcp
US 8.8.8.8:53 fkmmvfeonnyh.pw udp
US 216.218.185.162:80 fkmmvfeonnyh.pw tcp
US 8.8.8.8:53 gfnlmtcolrrb.pw udp
US 216.218.185.162:80 gfnlmtcolrrb.pw tcp
US 8.8.8.8:53 wwgfyvvdtmeq.pw udp
US 216.218.185.162:80 wwgfyvvdtmeq.pw tcp
US 8.8.8.8:53 xtbbpqfrsubt.pw udp
US 216.218.185.162:80 xtbbpqfrsubt.pw tcp
US 8.8.8.8:53 vrmtybxxpddg.pw udp
US 216.218.185.162:80 vrmtybxxpddg.pw tcp
US 8.8.8.8:53 rvqlfnedcldh.pw udp
US 8.8.8.8:53 fccfxejgtpqb.pw udp
US 216.218.185.162:80 fccfxejgtpqb.pw tcp
US 8.8.8.8:53 sotdecjvilon.pw udp
US 216.218.185.162:80 sotdecjvilon.pw tcp
US 8.8.8.8:53 tshouebcgjxq.pw udp
US 216.218.185.162:80 tshouebcgjxq.pw tcp
US 8.8.8.8:53 yxofisillqxw.pw udp
US 216.218.185.162:80 yxofisillqxw.pw tcp
US 8.8.8.8:53 kwbjqvbswhos.pw udp
US 216.218.185.162:80 kwbjqvbswhos.pw tcp

Files

memory/2020-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2020-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2020-2-0x0000000001BD0000-0x00000000025D0000-memory.dmp

memory/3064-4-0x0000000000140000-0x0000000000146000-memory.dmp

memory/1264-3-0x0000000002C20000-0x0000000002C26000-memory.dmp

memory/3064-11-0x00000000772E0000-0x00000000772E1000-memory.dmp

memory/3064-10-0x00000000772DF000-0x00000000772E1000-memory.dmp

memory/1264-9-0x0000000077131000-0x0000000077132000-memory.dmp

memory/3064-8-0x00000000772DF000-0x00000000772E0000-memory.dmp

memory/1264-7-0x0000000002C20000-0x0000000002C26000-memory.dmp

memory/3064-6-0x0000000000A70000-0x0000000000A86000-memory.dmp

memory/2020-12-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2020-13-0x0000000001BD0000-0x00000000025D0000-memory.dmp

memory/3064-15-0x0000000000140000-0x0000000000146000-memory.dmp

memory/3064-16-0x0000000000180000-0x0000000000181000-memory.dmp

memory/1264-17-0x00000000772C0000-0x00000000772C1000-memory.dmp

memory/1128-21-0x00000000003E0000-0x00000000003E6000-memory.dmp

memory/1128-22-0x0000000077131000-0x0000000077132000-memory.dmp

memory/3064-24-0x0000000000140000-0x0000000000146000-memory.dmp

memory/1200-26-0x0000000000120000-0x0000000000126000-memory.dmp

memory/1264-28-0x0000000002C30000-0x0000000002C36000-memory.dmp

memory/1264-27-0x0000000002C30000-0x0000000002C36000-memory.dmp

memory/3064-32-0x0000000000190000-0x0000000000191000-memory.dmp

memory/1264-33-0x00000000772B0000-0x00000000772B1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-22 17:22

Reported

2023-10-22 21:13

Platform

win10v2004-20231020-en

Max time kernel

7s

Max time network

11s

Command Line

C:\Windows\Explorer.EXE

Signatures

Tinba / TinyBanker

trojan banker tinba

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CB055876 = "C:\\Users\\Admin\\AppData\\Roaming\\CB055876\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\winver.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\taskhostw.exe

taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc

C:\Windows\system32\sihost.exe

sihost.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.80d5c3b347d7d93fcc8d585870fb2b00.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.80d5c3b347d7d93fcc8d585870fb2b00.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 1.208.79.178.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp

Files

memory/1016-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1016-1-0x0000000002160000-0x0000000002161000-memory.dmp

memory/3204-2-0x0000000001000000-0x0000000001006000-memory.dmp

memory/3204-3-0x0000000001000000-0x0000000001006000-memory.dmp

memory/1016-4-0x0000000002330000-0x0000000002D30000-memory.dmp

memory/1544-5-0x0000000077C52000-0x0000000077C53000-memory.dmp

memory/3204-6-0x00007FFA9C36D000-0x00007FFA9C36E000-memory.dmp

memory/1544-7-0x00000000021C0000-0x00000000021C6000-memory.dmp

memory/1016-8-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1016-9-0x0000000002330000-0x0000000002D30000-memory.dmp

memory/2444-13-0x0000000000140000-0x0000000000146000-memory.dmp

memory/3204-17-0x0000000002F60000-0x0000000002F66000-memory.dmp

memory/2444-16-0x0000000000140000-0x0000000000146000-memory.dmp

memory/2648-20-0x0000000000420000-0x0000000000426000-memory.dmp

memory/3720-21-0x0000000000220000-0x0000000000226000-memory.dmp