Analysis
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max time kernel
143s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
26-04-2024 12:55
Static task
static1
Behavioral task
behavioral1
Sample
Packing List PDF.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
Packing List PDF.exe
Resource
win10v2004-20240226-en
General
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Target
Packing List PDF.exe
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Size
822KB
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MD5
5a12438b3b4c926c12a9376c7bf13426
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SHA1
c3185c6a5e5f07a5befbe4af7131d05634f5d1a3
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SHA256
1a794211deaa0ecb6abc6101d7c1bd61111b4dd2d895ee7ecf78fbf17f4c9ab3
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SHA512
16c1e0e18eb8b3345b8b05443b782cb1dd35492ac986811c39f3cdce8dfe85b003aba029ffca0e38aa33c951d0d08281825152b0e239471eac3de18ac67864d0
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SSDEEP
12288:tEqnHvjNIrpf9rN/mc/CaBmIwsyaPSIir97G6NLOZCGKEgbjuPBB5uO12rq:txPjKr5BNDWVxcSIiRG6atlB5N
Malware Config
Extracted
Protocol: smtp- Host:
mail.fascia-arch.com - Port:
587 - Username:
[email protected] - Password:
HERbertstown1987
Extracted
agenttesla
Protocol: smtp- Host:
mail.fascia-arch.com - Port:
587 - Username:
[email protected] - Password:
HERbertstown1987 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Packing List PDF.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation Packing List PDF.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Packing List PDF.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe" Packing List PDF.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 39 api.ipify.org 40 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Packing List PDF.exedescription pid process target process PID 4784 set thread context of 3184 4784 Packing List PDF.exe Packing List PDF.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
Packing List PDF.exepowershell.exepowershell.exePacking List PDF.exepid process 4784 Packing List PDF.exe 4784 Packing List PDF.exe 4784 Packing List PDF.exe 4784 Packing List PDF.exe 216 powershell.exe 2436 powershell.exe 216 powershell.exe 2436 powershell.exe 4784 Packing List PDF.exe 3184 Packing List PDF.exe 3184 Packing List PDF.exe 3184 Packing List PDF.exe 2436 powershell.exe 216 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
Packing List PDF.exepowershell.exepowershell.exePacking List PDF.exedescription pid process Token: SeDebugPrivilege 4784 Packing List PDF.exe Token: SeDebugPrivilege 216 powershell.exe Token: SeDebugPrivilege 2436 powershell.exe Token: SeDebugPrivilege 3184 Packing List PDF.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Packing List PDF.exepid process 3184 Packing List PDF.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
Packing List PDF.exedescription pid process target process PID 4784 wrote to memory of 216 4784 Packing List PDF.exe powershell.exe PID 4784 wrote to memory of 216 4784 Packing List PDF.exe powershell.exe PID 4784 wrote to memory of 216 4784 Packing List PDF.exe powershell.exe PID 4784 wrote to memory of 2436 4784 Packing List PDF.exe powershell.exe PID 4784 wrote to memory of 2436 4784 Packing List PDF.exe powershell.exe PID 4784 wrote to memory of 2436 4784 Packing List PDF.exe powershell.exe PID 4784 wrote to memory of 1604 4784 Packing List PDF.exe schtasks.exe PID 4784 wrote to memory of 1604 4784 Packing List PDF.exe schtasks.exe PID 4784 wrote to memory of 1604 4784 Packing List PDF.exe schtasks.exe PID 4784 wrote to memory of 3184 4784 Packing List PDF.exe Packing List PDF.exe PID 4784 wrote to memory of 3184 4784 Packing List PDF.exe Packing List PDF.exe PID 4784 wrote to memory of 3184 4784 Packing List PDF.exe Packing List PDF.exe PID 4784 wrote to memory of 3184 4784 Packing List PDF.exe Packing List PDF.exe PID 4784 wrote to memory of 3184 4784 Packing List PDF.exe Packing List PDF.exe PID 4784 wrote to memory of 3184 4784 Packing List PDF.exe Packing List PDF.exe PID 4784 wrote to memory of 3184 4784 Packing List PDF.exe Packing List PDF.exe PID 4784 wrote to memory of 3184 4784 Packing List PDF.exe Packing List PDF.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Packing List PDF.exe"C:\Users\Admin\AppData\Local\Temp\Packing List PDF.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4784 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Packing List PDF.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:216
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CmxzrHBB.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2436
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CmxzrHBB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp61B3.tmp"2⤵
- Creates scheduled task(s)
PID:1604
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C:\Users\Admin\AppData\Local\Temp\Packing List PDF.exe"C:\Users\Admin\AppData\Local\Temp\Packing List PDF.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3184
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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=4140 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:81⤵PID:416
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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Filesize
18KB
MD5aadbd00e67920164905d0e0fd8711e97
SHA1f5eefdee0ca48523d37dd285a6911389fa112ad9
SHA2568ef216c1db15643cfd6f194cee7807be379cfe57267730627d90d703d14c1402
SHA5121c74f6556b14419d93c0c1b01c9c5e9f2dfeb0d502aba8e75d5ce7c1bdaca82e6d4ae397181936cb495ef1a0a04b215863a79a00d2a7fc359b25e88f3bcd2597
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD50e73d2dca6013b786d3f4488abcd0281
SHA1dfb14305fd7c8ed55a1043badb48ceacaa9f46e8
SHA256b3684748e5f6c389e9c628ba64d433917b5d787ff685c9970f0a83a4dde758fb
SHA512a0c899956758cb7238fdd878f21a93ea2c2ac7da8b900e84c0a4bbba8a960f4d85c90d4ecdb215f5c14c024c840fcb71c8c41c8a8e7f159d9082750085a02241