General
- Target 09072026_0331_PO54321.exe.tar
- Size 360KB
- Sample260709-d53f4ac17s
- SHA256 280a20319e536d3e2684c91b227cbacad271f6fe1bf55600682022dce959fa0c
- MD5 6742e1ba1ba80c7885cd4f97c2d98f22
- SHA1 87457f955413268d7b886a42dbbe26f4a206762a
- SHA512 aad2f69870ea5574327b109c7143060036fc93ab97eb52b5c2cf9a7c3b9cc145146a7c5c891f13f6d18452bcd1ca5afdba10ea6830531c01247d475608e95fca
- SSDEEP 6144:8gORaspjQel7km82cdrTxE0fhm9DuZkOqNcvutxRoz6R+8FKRDMzd:8gyjz7kXFrT9f4DuZ3qautxmz6R+q4
- TLSH T14374C0A1F29984D9EC46237159BBEC3325577E2CA875051F316B3729AEB33830467E0B
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
PO #54321.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
PO #54321.exe
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260706-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11ltsc2024-20260706-en
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.holzbrenzii.com
-
Port
587
-
Username
-
Password
boygirl123456
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.holzbrenzii.com
-
Port
587
-
Username
-
Password
boygirl123456
-
Email to
Targets
-
- Target PO #54321.exe
- Size 350KB
- SHA256 795fee999993e22fae8da87b93bb31177a8383a18b53e122cab3b42b6abaf5b8
- MD5 dba38cd8669ea13aab4dec465f7c97ba
- SHA1 42021a0c7ba87ab9f5dbf6e5458100123d05865a
- SHA512 de47d7b222472de6d0589793210464e3d613052d6916f487ac69d59727b9cb2e92e66e9b8a46c17a56144e95ec58fae36ecad63a772910c5bcdb45f0b7e1f9ef
- SSDEEP 6144:SgORaspjQel7km82cdrTxE0fhm9DuZkOqNcvutxRoz6R+8FKRDMzd:Sgyjz7kXFrT9f4DuZ3qautxmz6R+q4
- TLSH T17574C0A1F29984D9EC46237159BBEC3325577E2CA875051F316B3729AEB33830467E0B
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Family: AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Loads dropped DLL
-
Accesses Microsoft Outlook profiles
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Suspicious use of NtCreateThreadExHideFromDebugger
-
Suspicious use of NtSetInformationThreadHideFromDebugger
-
- Target $PLUGINSDIR/System.dll
- Size 12KB
- SHA256 b7823a15e7b1866ba3d77248f750b66505859d264cfc39d8c8c5e812f8ae4a81
- MD5 a1da6788aeaf78ca4ae1dece8019e49d
- SHA1 d770155e6e9aa69223be198c44a8da26a1756d89
- SHA512 eada9c1528563ddfe3d4d8ed5dbc52b85a9190765535b68da90e6d623288bf0090adac5118e1ed6e3cb3e0abb9af025d3a2a73121413a4471a90fd04bc861e18
- SSDEEP 192:uenY0qWTlt70IAj/lQ0sEWc/wtYbBH2aDybC7y+XBUIwL:u8+Qlt70Fj/lQRY/9Vjj+L
- TLSH T144428D1193B089F2F590583801A67F2A6FBEAC5C27E84963CFE341853D702DFA47A243
- MD5 SHA1 SHA512 SSDEEP TLSH
Score8/10-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
- Target $PLUGINSDIR/nsDialogs.dll
- Size 9KB
- SHA256 48c290cf400a8e3a5e6cded2f4817d344c4d20745c8659cccbc09edad5866dc0
- MD5 9cbefc918a4560f3e780bc927e0e4008
- SHA1 4c23e9947f5d2338b4cfeb870cc9f9dcb7ee37e3
- SHA512 7a11aeba9bfe309c9baaa9bd907218b238fd09a98c55c5d34949b8f5b4b6402e3efb7cb3279c211459cb6d27b689896c0a54ed92155d25f5828d18377a5b4bff
- SSDEEP 96:o1svUu3Uy+sytcS8176b+XR8pCHFcMcxSgB5PKtAtgt+Nt+rnt3DVEB3YrJNqkz6:o1svWyNO81b8pCHFcM0PuAgkOybIFc
- TLSH T1E512F992E6A450B3C5D7533A35AA2F2DCBBD5325B0926C00C7738E4D39355B66E38353
- MD5 SHA1 SHA512 SSDEEP TLSH
Score3/10
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1