Malware Analysis Report

2025-01-22 18:58

Sample ID 240314-mrcsyscc26
Target c86b8764df7744a0fae23091b91a7a65
SHA256 1043bf5661dcde78f7c46b664a415d8cba1c4f2bc84153a4edc8cb44fff9be48
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

1043bf5661dcde78f7c46b664a415d8cba1c4f2bc84153a4edc8cb44fff9be48

Threat Level: Known bad

The file c86b8764df7744a0fae23091b91a7a65 was found to be: Known bad.

Malicious Activity Summary

upx gozi banker isfb trojan

Gozi

Executes dropped EXE

Loads dropped DLL

UPX packed file

Deletes itself

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-14 10:41

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

2024-03-14 10:41

Reported

2024-03-14 10:44

Platform

win7-20240221-en

Max time kernel

119s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c86b8764df7744a0fae23091b91a7a65.exe"

Signatures

Gozi

banker trojan gozi

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c86b8764df7744a0fae23091b91a7a65.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c86b8764df7744a0fae23091b91a7a65.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c86b8764df7744a0fae23091b91a7a65.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
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\c86b8764df7744a0fae23091b91a7a65.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c86b8764df7744a0fae23091b91a7a65.exe

"C:\Users\Admin\AppData\Local\Temp\c86b8764df7744a0fae23091b91a7a65.exe"

C:\Users\Admin\AppData\Local\Temp\c86b8764df7744a0fae23091b91a7a65.exe

C:\Users\Admin\AppData\Local\Temp\c86b8764df7744a0fae23091b91a7a65.exe

Network

Country Destination Domain Proto
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 172.67.194.101:80 yxeepsek.net tcp

Files

memory/1744-0-0x0000000000400000-0x00000000008E7000-memory.dmp

memory/1744-1-0x0000000000400000-0x0000000000622000-memory.dmp

memory/1744-2-0x00000000002B0000-0x00000000003E1000-memory.dmp

\Users\Admin\AppData\Local\Temp\c86b8764df7744a0fae23091b91a7a65.exe

MD5 1baa20b8022d10573a043b47bb3d9bdd
SHA1 3c75635a5fa97bd35a27f89f840988556069997e
SHA256 e026a1e2441521347d383e29fea150c3db1d27526440020dac59a9f413bd54fb
SHA512 5fc6827366cf8606a99e21c158af22981760316b1085180b3d147512e78dce088011e1b730a233b927c73fd31c57af27bbfa3c991c680f1b2093e7f3e158bf84

C:\Users\Admin\AppData\Local\Temp\c86b8764df7744a0fae23091b91a7a65.exe

MD5 df5bea7bef7e7c6b2a545295eb52823b
SHA1 d4067261db0bf73d88e84637b309a66b7311ef31
SHA256 7c0d081887cc9fa1fa8245a36ff965a404c92ed4f99e3fb1bddbaa5590cf2ced
SHA512 1208704aa116afefc4ef7bb4d5b6e2cf907b15c7ee8c8a310a3e571eddfe4989a0116fdbdd7c75ec855992a232d3a4502851b475e7ffbf45dd4c04bf3ceaec6d

C:\Users\Admin\AppData\Local\Temp\c86b8764df7744a0fae23091b91a7a65.exe

MD5 b759d7f10d26bc9b640fc86159d4fc0c
SHA1 8ba6f35cc9f567a52b306403dc2333e63f84e0d1
SHA256 9449c0e0f95fd386d08b16917f886379110c99e4ba1fa7ac007ec42dfd662361
SHA512 36a51ce979f95aff429e7dca4d417c928220c1ddb50596c9883e0ba6dd5a5dff3997039bd5cc0fba2c03e2761fcff04fbacf884df186cf897f8f8694812faae2

memory/2036-16-0x0000000000400000-0x00000000008E7000-memory.dmp

memory/1744-14-0x0000000003CF0000-0x00000000041D7000-memory.dmp

memory/2036-18-0x0000000000400000-0x0000000000622000-memory.dmp

memory/2036-17-0x00000000002B0000-0x00000000003E1000-memory.dmp

memory/1744-13-0x0000000000400000-0x0000000000622000-memory.dmp

memory/2036-24-0x0000000003520000-0x0000000003742000-memory.dmp

memory/2036-23-0x0000000000400000-0x0000000000616000-memory.dmp

memory/2036-31-0x0000000000400000-0x00000000008E7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-14 10:41

Reported

2024-03-14 10:44

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c86b8764df7744a0fae23091b91a7a65.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c86b8764df7744a0fae23091b91a7a65.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c86b8764df7744a0fae23091b91a7a65.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\c86b8764df7744a0fae23091b91a7a65.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c86b8764df7744a0fae23091b91a7a65.exe

"C:\Users\Admin\AppData\Local\Temp\c86b8764df7744a0fae23091b91a7a65.exe"

C:\Users\Admin\AppData\Local\Temp\c86b8764df7744a0fae23091b91a7a65.exe

C:\Users\Admin\AppData\Local\Temp\c86b8764df7744a0fae23091b91a7a65.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=1036 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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 zipansion.com udp
US 104.21.73.114:80 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 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 114.73.21.104.in-addr.arpa udp
US 8.8.8.8:53 204.20.21.104.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 209.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
NL 142.251.36.10:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 10.36.251.142.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.79.70.13.in-addr.arpa udp

Files

memory/2356-0-0x0000000000400000-0x00000000008E7000-memory.dmp

memory/2356-1-0x00000000018F0000-0x0000000001A21000-memory.dmp

memory/2356-2-0x0000000000400000-0x0000000000622000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\c86b8764df7744a0fae23091b91a7a65.exe

MD5 d0a3187e7c721ead1703d1631c1b03ec
SHA1 ded0cd70c8e85358cecd519d3cf907a35ff7296e
SHA256 a9b91721e5c8de3e8a227184e292bad032ab9830906b7bf341457aaebf7d1d24
SHA512 362c67f8cb6245ff17764d37ad9e04d853ba3d25f63ae3fd6896df7377850bc60a9c1b2e67d8f5ce6774a537f7b11b82b58271413a6778f208f86a3a0a8e666d

memory/2356-12-0x0000000000400000-0x0000000000622000-memory.dmp

memory/2272-14-0x0000000000400000-0x0000000000622000-memory.dmp

memory/2272-15-0x0000000001D00000-0x0000000001E31000-memory.dmp

memory/2272-13-0x0000000000400000-0x00000000008E7000-memory.dmp

memory/2272-20-0x00000000055F0000-0x0000000005812000-memory.dmp

memory/2272-21-0x0000000000400000-0x0000000000616000-memory.dmp

memory/2272-28-0x0000000000400000-0x00000000008E7000-memory.dmp