Malware Analysis Report

2025-01-22 18:52

Sample ID 240306-bjpa8sfh85
Target b622ed8a7ba0c3c7ecf68f7e32a2ba65
SHA256 39b0c5cc10ecf39813ba5100d1f2f983a45ca2e150fa13deec9a5d9ec4154b81
Tags
upx gozi banker isfb trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

39b0c5cc10ecf39813ba5100d1f2f983a45ca2e150fa13deec9a5d9ec4154b81

Threat Level: Known bad

The file b622ed8a7ba0c3c7ecf68f7e32a2ba65 was found to be: Known bad.

Malicious Activity Summary

upx gozi banker isfb trojan

Gozi

Deletes itself

Executes dropped EXE

UPX packed file

Loads dropped DLL

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-06 01:10

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-06 01:10

Reported

2024-03-06 01:13

Platform

win7-20240221-en

Max time kernel

121s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b622ed8a7ba0c3c7ecf68f7e32a2ba65.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b622ed8a7ba0c3c7ecf68f7e32a2ba65.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b622ed8a7ba0c3c7ecf68f7e32a2ba65.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b622ed8a7ba0c3c7ecf68f7e32a2ba65.exe N/A

UPX packed file

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b622ed8a7ba0c3c7ecf68f7e32a2ba65.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b622ed8a7ba0c3c7ecf68f7e32a2ba65.exe

"C:\Users\Admin\AppData\Local\Temp\b622ed8a7ba0c3c7ecf68f7e32a2ba65.exe"

C:\Users\Admin\AppData\Local\Temp\b622ed8a7ba0c3c7ecf68f7e32a2ba65.exe

C:\Users\Admin\AppData\Local\Temp\b622ed8a7ba0c3c7ecf68f7e32a2ba65.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 zipansion.com udp
US 104.21.73.114:80 zipansion.com tcp
US 8.8.8.8:53 yxeepsek.net udp
US 172.67.194.101:80 yxeepsek.net tcp

Files

memory/2728-3-0x0000000000130000-0x0000000000263000-memory.dmp

memory/2728-1-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2728-0-0x0000000000400000-0x000000000062A000-memory.dmp

\Users\Admin\AppData\Local\Temp\b622ed8a7ba0c3c7ecf68f7e32a2ba65.exe

MD5 50872d6786758859fc640464f89b4f72
SHA1 dd5fcd9e49478d78a20cffde45d9d2ac0e56171b
SHA256 d3d03e70a6e62f4ae8203c6e0ab396ca642ae42b4dc0dab098cbe09f3c616713
SHA512 1753a96d70db711b18a4963c663c735a93fce8f1f8fa5bfda6ed5419209d646882d47fae246bf30286a2f4e1316db2890987a8d475ea5599aeb8b9a0aebea0f6

memory/2728-13-0x0000000000400000-0x000000000062A000-memory.dmp

memory/3024-15-0x0000000000400000-0x000000000062A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\b622ed8a7ba0c3c7ecf68f7e32a2ba65.exe

MD5 71ff6e9304307332bb1e1b3a5ef011b0
SHA1 df6e6a22ddbaa708bf6835f7474c2cd78b46b71a
SHA256 41a9eb4ac296759c6728254daed176ab908a4868b478e763ac76d8b25a79698e
SHA512 424457b8848e2779776dd4758200af032503482c1f361751026660d3f86b95b78cea6faec440a92bb66bfe895d9fe52907c601526baee63089db0d6f5104a34c

memory/3024-16-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/3024-18-0x0000000001B20000-0x0000000001C53000-memory.dmp

memory/3024-23-0x0000000003410000-0x000000000363A000-memory.dmp

memory/3024-22-0x0000000000400000-0x000000000061D000-memory.dmp

memory/3024-30-0x0000000000400000-0x00000000008EF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-06 01:10

Reported

2024-03-06 01:13

Platform

win10v2004-20240226-en

Max time kernel

152s

Max time network

158s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b622ed8a7ba0c3c7ecf68f7e32a2ba65.exe"

Signatures

Gozi

banker trojan gozi

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b622ed8a7ba0c3c7ecf68f7e32a2ba65.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b622ed8a7ba0c3c7ecf68f7e32a2ba65.exe N/A

UPX packed file

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b622ed8a7ba0c3c7ecf68f7e32a2ba65.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b622ed8a7ba0c3c7ecf68f7e32a2ba65.exe

"C:\Users\Admin\AppData\Local\Temp\b622ed8a7ba0c3c7ecf68f7e32a2ba65.exe"

C:\Users\Admin\AppData\Local\Temp\b622ed8a7ba0c3c7ecf68f7e32a2ba65.exe

C:\Users\Admin\AppData\Local\Temp\b622ed8a7ba0c3c7ecf68f7e32a2ba65.exe

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 61.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 zipansion.com udp
US 172.67.144.180:80 zipansion.com tcp
US 8.8.8.8:53 yxeepsek.net udp
US 104.21.20.204:80 yxeepsek.net tcp
US 8.8.8.8:53 180.144.67.172.in-addr.arpa udp
US 8.8.8.8:53 204.20.21.104.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
GB 142.250.187.234:443 tcp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 68.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 45.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 55.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 32.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 77.239.69.13.in-addr.arpa udp

Files

memory/2440-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2440-1-0x0000000001CE0000-0x0000000001E13000-memory.dmp

memory/2440-2-0x0000000000400000-0x000000000062A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\b622ed8a7ba0c3c7ecf68f7e32a2ba65.exe

MD5 205d8ca3ba044f705a806c2eb62d197f
SHA1 83474962b8f42fcaf7d8d292d36485bf1b1078b9
SHA256 2ed450c6325c5643fe773cae1a0c30426436a30ecfe1cdb9ed15148fd4eb7344
SHA512 545f81d9e02ea08af991a6698cd864e77be4d62694eb639ae0d53ca84f702d1398d17cc2ef00624d7274c90b317f7d9bbf30fa0fd56dbca06af0b506ab095fd5

memory/2440-12-0x0000000000400000-0x000000000062A000-memory.dmp

memory/3340-13-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/3340-15-0x00000000018F0000-0x0000000001A23000-memory.dmp

memory/3340-14-0x0000000000400000-0x000000000062A000-memory.dmp

memory/3340-20-0x00000000056B0000-0x00000000058DA000-memory.dmp

memory/3340-21-0x0000000000400000-0x000000000061D000-memory.dmp

memory/3340-28-0x0000000000400000-0x00000000008EF000-memory.dmp