General
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Target
Order - PO0005376876624_NATHERL GROUP UK.pdf(79KB).rar
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Size
3.6MB
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Sample
241107-scgfgsvaqr
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MD5
09cdc6eaddbab32677e7752f6729d981
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SHA1
e086face2bfaa81731464f06ad72efc1b0907907
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SHA256
4debcaae1945cf89b96ce55e504a0c3d579d1ca3ce59f4551266fede8afa6064
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SHA512
c769db17e9f762d26aaf98bb189424c514b70f73bf24919383c1e398f6ae1a674f4dfc709d90bcf5e1c78d61eed29e229850541759d70779c986642542015675
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SSDEEP
98304:TD+bWrNQdPSMFvGCOKg2/aloS85zta7y4:XK85MmFQalG5ztCy4
Static task
static1
Behavioral task
behavioral1
Sample
Order - PO0005376876624_NATHERL GROUP UK.pdf(79KB).exe
Resource
win7-20240903-en
Malware Config
Extracted
quasar
1.4.1
CODE
twart.myfirewall.org:9792
rency.ydns.eu:5287
wqo9.firewall-gateway.de:8841
02351e291-5d041-4fa37-932c7-869aeiQec514992
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encryption_key
3145298725BA5E0DD56E87FFE3F8898EA81E6EDA
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install_name
workbook.exe
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log_directory
Logs
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reconnect_delay
6000
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startup_key
workbook
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subdirectory
SubDir
Extracted
Protocol: smtp- Host:
mail.privateemail.com - Port:
587 - Username:
[email protected] - Password:
@#Qwerty12345
Extracted
agenttesla
Protocol: smtp- Host:
mail.privateemail.com - Port:
587 - Username:
[email protected] - Password:
@#Qwerty12345 - Email To:
[email protected]
Targets
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Target
Order - PO0005376876624_NATHERL GROUP UK.pdf(79KB).com
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Size
3.7MB
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MD5
10543f9aaa9c0bf4085301bc7614ac20
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SHA1
1561a634d02baaa557032b40f95b191deedb67d0
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SHA256
4b35788594f482786143f276de0942d2f73c416c8e0b1d104e848187cb604749
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SHA512
320dae470f3b5ad983b55fbaeb437daed163cea4a5166dd7c606012d9f21cb516b15d91e171469a594cf2522a71b0af367fe0b3c94cd9e2432570858280ec55e
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SSDEEP
98304:FOH+wWNUsUX/WWxvy0GzbNPFZACmedrm:cewYUXX/TxvSzj5/
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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Quasar family
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Quasar payload
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1