Analysis
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max time kernel
125s -
max time network
51s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
11-12-2023 14:42
Static task
static1
Behavioral task
behavioral1
Sample
OA USD 13590088 pdf.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
OA USD 13590088 pdf.exe
Resource
win10v2004-20231130-en
General
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Target
OA USD 13590088 pdf.exe
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Size
636KB
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MD5
0e1282c087e1abdbae10d7497cf9579c
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SHA1
4dd56ae905050e061f557a34c1fdb68d19202412
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SHA256
ee62838a0de9611ef4a274e1c876605aca8a9548fe14664ab50802aec93bef3a
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SHA512
6aa9d730f8a4954b5259f0c2b5604e9ddfb7e5a6ac7356af97bd6bf72531a263b04e43388bcfa1e3205e92212274f70d86ccf0a0e546d71f3ad3738cba262a5e
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SSDEEP
12288:kBgOWP6iZHiFRW3mIBpN9NbjCgtfZRCawRL7Fi54bf4ZgHh1Y:kCp3mwH9Nblfy3NG40gP
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.vrlogistic.com - Port:
587 - Username:
[email protected] - Password:
@dmin@123 - 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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Detect ZGRat V1 1 IoCs
resource yara_rule behavioral2/memory/5104-7-0x0000000005540000-0x0000000005558000-memory.dmp family_zgrat_v1 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-433534792-1200107535-3148087551-1000\Control Panel\International\Geo\Nation OA USD 13590088 pdf.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-433534792-1200107535-3148087551-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boqXv = "C:\\Users\\Admin\\AppData\\Roaming\\boqXv\\boqXv.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5104 set thread context of 3064 5104 OA USD 13590088 pdf.exe 96 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 4812 3064 WerFault.exe 96 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1484 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1856 powershell.exe 3372 powershell.exe 1856 powershell.exe 3064 RegSvcs.exe 3064 RegSvcs.exe 3372 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3372 powershell.exe Token: SeDebugPrivilege 1856 powershell.exe Token: SeDebugPrivilege 3064 RegSvcs.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 5104 wrote to memory of 3372 5104 OA USD 13590088 pdf.exe 90 PID 5104 wrote to memory of 3372 5104 OA USD 13590088 pdf.exe 90 PID 5104 wrote to memory of 3372 5104 OA USD 13590088 pdf.exe 90 PID 5104 wrote to memory of 1856 5104 OA USD 13590088 pdf.exe 92 PID 5104 wrote to memory of 1856 5104 OA USD 13590088 pdf.exe 92 PID 5104 wrote to memory of 1856 5104 OA USD 13590088 pdf.exe 92 PID 5104 wrote to memory of 1484 5104 OA USD 13590088 pdf.exe 94 PID 5104 wrote to memory of 1484 5104 OA USD 13590088 pdf.exe 94 PID 5104 wrote to memory of 1484 5104 OA USD 13590088 pdf.exe 94 PID 5104 wrote to memory of 3064 5104 OA USD 13590088 pdf.exe 96 PID 5104 wrote to memory of 3064 5104 OA USD 13590088 pdf.exe 96 PID 5104 wrote to memory of 3064 5104 OA USD 13590088 pdf.exe 96 PID 5104 wrote to memory of 3064 5104 OA USD 13590088 pdf.exe 96 PID 5104 wrote to memory of 3064 5104 OA USD 13590088 pdf.exe 96 PID 5104 wrote to memory of 3064 5104 OA USD 13590088 pdf.exe 96 PID 5104 wrote to memory of 3064 5104 OA USD 13590088 pdf.exe 96 PID 5104 wrote to memory of 3064 5104 OA USD 13590088 pdf.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\OA USD 13590088 pdf.exe"C:\Users\Admin\AppData\Local\Temp\OA USD 13590088 pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5104 -
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\OA USD 13590088 pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3372
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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\qZguDG.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1856
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qZguDG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp884A.tmp"2⤵
- Creates scheduled task(s)
PID:1484
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3064 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3064 -s 14203⤵
- Program crash
PID:4812
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3064 -ip 30641⤵PID:2440
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD580d9a11a9fc0540c294a705dfab5fbe1
SHA11348cf27fda45bbde94e4c8b8dc60c92dbd621b8
SHA2567ae4a5dee2379f4ff0cb9ecae10097a6471cc41f6b7b0f8f826d6af86cd21744
SHA512c0025523d93285be610378f9308a3c493f4422746aee5f278a8fc3cbd749fa49359c44efd5fe3986d7e5b1b676eb97623a84f6b3e3b71ce92ef1dead3f7d7aac
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5c59ad779c7627da450c328b333cafe75
SHA13e0f3435007f0ee1aff8e6bbf71394ebf18c330e
SHA25651484cf0972bb9638da0fce4d20019ce41e0dad81944eca7e09e7dac364a64df
SHA512c1d26893f87e0112b71ba630f2f7f98411a04e59c030a9ab98bd17820cf62b7658e9d805ac3f9782b16bfdb2efe3098646756612438141976d74174256403eac