Malware Analysis Report

2025-01-22 18:58

Sample ID 240314-xhcfyacb2s
Target c959d4454997ed0ad3e8e0a22e1f33c1
SHA256 21967dc9a9d302236dc5719ab62b1c6d910f35d058fb82318d89609ec4b0f6c4
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

21967dc9a9d302236dc5719ab62b1c6d910f35d058fb82318d89609ec4b0f6c4

Threat Level: Known bad

The file c959d4454997ed0ad3e8e0a22e1f33c1 was found to be: Known bad.

Malicious Activity Summary

upx gozi banker isfb trojan

Gozi

Loads dropped DLL

Deletes itself

Executes dropped EXE

UPX packed file

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-14 18:50

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 18:50

Reported

2024-03-14 18:53

Platform

win7-20240221-en

Max time kernel

117s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c959d4454997ed0ad3e8e0a22e1f33c1.exe"

Signatures

Gozi

banker trojan gozi

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c959d4454997ed0ad3e8e0a22e1f33c1.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c959d4454997ed0ad3e8e0a22e1f33c1.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c959d4454997ed0ad3e8e0a22e1f33c1.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\c959d4454997ed0ad3e8e0a22e1f33c1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c959d4454997ed0ad3e8e0a22e1f33c1.exe

"C:\Users\Admin\AppData\Local\Temp\c959d4454997ed0ad3e8e0a22e1f33c1.exe"

C:\Users\Admin\AppData\Local\Temp\c959d4454997ed0ad3e8e0a22e1f33c1.exe

C:\Users\Admin\AppData\Local\Temp\c959d4454997ed0ad3e8e0a22e1f33c1.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/1688-0-0x0000000000400000-0x00000000008E7000-memory.dmp

memory/1688-1-0x0000000000400000-0x0000000000622000-memory.dmp

memory/1688-2-0x0000000000230000-0x0000000000361000-memory.dmp

\Users\Admin\AppData\Local\Temp\c959d4454997ed0ad3e8e0a22e1f33c1.exe

MD5 1df17c3b5a2089c0ece106d8e0edcc2d
SHA1 44d72d0c4b665912008325f8999f769936ef2cee
SHA256 98c91f153f2d3533340fe6e50cc49c7ec09ab14c6e48f75df2219592a2e93c51
SHA512 cdfb51f3268ef4c9ef2cdaa6dab9c671fd12bf56a32949b181c305d6ede006bc653ab5ca22bec0bab74772c92ad13bdfc9f5c188f81083ed0cf388bbec7b9502

C:\Users\Admin\AppData\Local\Temp\c959d4454997ed0ad3e8e0a22e1f33c1.exe

MD5 5bb41384d71e4c751106f6fcd022e941
SHA1 5549a0d122edf038f0c786b9c693a5a430cccac6
SHA256 78314054a26c16a20a7d7511b2adb8c7c305590068686f0ea043ba18d479b376
SHA512 fe9d66dff3f7c96d2d190745c907a6aee0427dcfd6c19f6aa2a5d3f0b5d908a0be5f487ac7bd58b92e52b0c629e703d2f06f578658ba73a82b14a10733b1ae5b

memory/1688-15-0x00000000039A0000-0x0000000003E87000-memory.dmp

memory/1688-14-0x0000000000400000-0x0000000000622000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\c959d4454997ed0ad3e8e0a22e1f33c1.exe

MD5 b33cdfc6ccb2cf539c6661c11beb97e3
SHA1 2e24614cf3a519706563d3a1e02ff6424a596fc3
SHA256 bd3f8412024b62e3326e0314fc062a0f12012192101a2e4877751ae3801e6c52
SHA512 914bbbfcdf98cd74380f506de26d2bf5eff7b5af2584ae9c644103fa173b8c8c60baf497d1690cdfb63372a53543f7fe5cb0a3e226bf0503e21f4f0452381844

memory/2532-16-0x0000000000400000-0x00000000008E7000-memory.dmp

memory/2532-18-0x00000000002C0000-0x00000000003F1000-memory.dmp

memory/2532-17-0x0000000000400000-0x0000000000622000-memory.dmp

memory/2532-24-0x0000000003530000-0x0000000003752000-memory.dmp

memory/2532-23-0x0000000000400000-0x0000000000616000-memory.dmp

memory/2532-31-0x0000000000400000-0x00000000008E7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-14 18:50

Reported

2024-03-14 18:53

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c959d4454997ed0ad3e8e0a22e1f33c1.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c959d4454997ed0ad3e8e0a22e1f33c1.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c959d4454997ed0ad3e8e0a22e1f33c1.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\c959d4454997ed0ad3e8e0a22e1f33c1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c959d4454997ed0ad3e8e0a22e1f33c1.exe

"C:\Users\Admin\AppData\Local\Temp\c959d4454997ed0ad3e8e0a22e1f33c1.exe"

C:\Users\Admin\AppData\Local\Temp\c959d4454997ed0ad3e8e0a22e1f33c1.exe

C:\Users\Admin\AppData\Local\Temp\c959d4454997ed0ad3e8e0a22e1f33c1.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=4260 --field-trial-handle=3488,i,1267426273081718772,6254127258555406296,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 zipansion.com udp
US 172.67.144.180:80 zipansion.com tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 5.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 yxeepsek.net udp
US 172.67.194.101:80 yxeepsek.net tcp
US 8.8.8.8:53 180.144.67.172.in-addr.arpa udp
US 8.8.8.8:53 101.194.67.172.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.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 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 100.5.17.2.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 28.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 232.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 37.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 169.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 9.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 32.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 35.134.221.88.in-addr.arpa udp
GB 96.17.179.37:80 tcp

Files

memory/3960-0-0x0000000000400000-0x00000000008E7000-memory.dmp

memory/3960-1-0x0000000001D10000-0x0000000001E41000-memory.dmp

memory/3960-2-0x0000000000400000-0x0000000000622000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\c959d4454997ed0ad3e8e0a22e1f33c1.exe

MD5 22e72c750655e937977bf111aeba85eb
SHA1 2621e6163d33e42bef1871fc3ca79af1e829b3da
SHA256 d50ce536299a17fa91425b28ff4471175b51535c3531e6225118f1cd9b2db188
SHA512 1ef562d88acb2daa30b79ca20939721217aedfaf5cfd520ba4dd9a68c38bb30d1e2ec5b1f9a3cad3c98467111acbd8453faa153d393549e4b4b8b21416b8f708

memory/3960-13-0x0000000000400000-0x0000000000622000-memory.dmp

memory/212-14-0x0000000000400000-0x00000000008E7000-memory.dmp

memory/212-16-0x0000000000400000-0x0000000000622000-memory.dmp

memory/212-15-0x00000000018F0000-0x0000000001A21000-memory.dmp

memory/212-21-0x0000000005500000-0x0000000005722000-memory.dmp

memory/212-22-0x0000000000400000-0x0000000000616000-memory.dmp

memory/212-29-0x0000000000400000-0x00000000008E7000-memory.dmp