Analysis Overview
SHA256
596263884d5474c2d3bb01238718eb30ce2c8539c99f66fa26b92171c6786c26
Threat Level: Known bad
The file lab_samples.zip was found to be: Known bad.
Malicious Activity Summary
Darkcomet family
UPX packed file
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-28 11:25
Signatures
Darkcomet family
Unsigned PE
| 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 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-28 11:25
Reported
2024-06-28 11:28
Platform
win10-20240404-en
Max time kernel
149s
Max time network
136s
Command Line
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Microsoft\Windows\CurrentVersion\Run\zam = "C:\\Users\\Admin\\AppData\\Roaming\\zam\\zam.exe" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4704 set thread context of 3836 | N/A | C:\Users\Admin\AppData\Local\Temp\lab_samples\1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
| PID 4704 set thread context of 2032 | N/A | C:\Users\Admin\AppData\Local\Temp\lab_samples\1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
| PID 4704 set thread context of 4812 | N/A | C:\Users\Admin\AppData\Local\Temp\lab_samples\1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
| PID 4704 set thread context of 1520 | N/A | C:\Users\Admin\AppData\Local\Temp\lab_samples\1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\lab_samples\1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe
"C:\Users\Admin\AppData\Local\Temp\lab_samples\1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | axroot.com | udp |
| US | 8.8.8.8:53 | axroot.com | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | axroot.com | udp |
| US | 8.8.8.8:53 | axroot.com | udp |
| US | 8.8.8.8:53 | 11.179.89.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.107.17.2.in-addr.arpa | udp |
Files
memory/4704-0-0x0000000000590000-0x0000000000591000-memory.dmp
memory/4704-1-0x0000000013140000-0x0000000013208000-memory.dmp
memory/4704-3-0x0000000013140000-0x0000000013208000-memory.dmp
memory/3836-4-0x0000000013140000-0x0000000013B98000-memory.dmp
memory/4704-5-0x0000000013140000-0x0000000013208000-memory.dmp
memory/4704-6-0x0000000013140000-0x0000000013208000-memory.dmp
memory/4704-8-0x0000000013140000-0x0000000013208000-memory.dmp
memory/4704-9-0x0000000013140000-0x0000000013208000-memory.dmp
memory/4704-10-0x0000000013140000-0x0000000013208000-memory.dmp
memory/4704-12-0x0000000013140000-0x0000000013208000-memory.dmp
memory/4704-14-0x0000000013140000-0x0000000013208000-memory.dmp
memory/4704-15-0x0000000013140000-0x0000000013208000-memory.dmp
memory/4704-17-0x0000000013140000-0x0000000013208000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-28 11:25
Reported
2024-06-28 11:28
Platform
win10v2004-20240611-en
Max time kernel
149s
Max time network
148s
Command Line
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zam = "C:\\Users\\Admin\\AppData\\Roaming\\zam\\zam.exe" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3208 set thread context of 64 | N/A | C:\Users\Admin\AppData\Local\Temp\lab_samples\1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
| PID 3208 set thread context of 3704 | N/A | C:\Users\Admin\AppData\Local\Temp\lab_samples\1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
| PID 3208 set thread context of 3036 | N/A | C:\Users\Admin\AppData\Local\Temp\lab_samples\1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
| PID 3208 set thread context of 2056 | N/A | C:\Users\Admin\AppData\Local\Temp\lab_samples\1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\lab_samples\1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.exe
"C:\Users\Admin\AppData\Local\Temp\lab_samples\1e3966e77ad1cbf3e3ef76803fbf92300b2b88af39650a1208520e0cdc05645b.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 --field-trial-handle=4172,i,8447163055677043976,7218082390179600880,262144 --variations-seed-version --mojo-platform-channel-handle=3756 /prefetch:8
C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 13.107.42.16:443 | tcp | |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | axroot.com | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | axroot.com | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | axroot.com | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | axroot.com | udp |
Files
memory/3208-0-0x0000000000910000-0x0000000000911000-memory.dmp
memory/3208-1-0x0000000013140000-0x0000000013208000-memory.dmp
memory/3208-3-0x0000000000910000-0x0000000000911000-memory.dmp
memory/3208-4-0x0000000013140000-0x0000000013208000-memory.dmp
memory/64-5-0x0000000013140000-0x0000000013B98000-memory.dmp
memory/3208-6-0x0000000013140000-0x0000000013208000-memory.dmp
memory/3208-7-0x0000000013140000-0x0000000013208000-memory.dmp
memory/3208-8-0x0000000013140000-0x0000000013208000-memory.dmp
memory/3208-10-0x0000000013140000-0x0000000013208000-memory.dmp
memory/3208-11-0x0000000013140000-0x0000000013208000-memory.dmp
memory/3208-13-0x0000000013140000-0x0000000013208000-memory.dmp
memory/3208-15-0x0000000013140000-0x0000000013208000-memory.dmp
memory/3208-16-0x0000000013140000-0x0000000013208000-memory.dmp
memory/3208-18-0x0000000013140000-0x0000000013208000-memory.dmp