ac8bdc073f9b3f0ac30aaa7527b75171c600d1ccf1e8da9e1ab05f879503d576

Analysis

max time kernel
148s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
05/06/2024, 15:31

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General

Target

ac8bdc073f9b3f0ac30aaa7527b75171c600d1ccf1e8da9e1ab05f879503d576.exe
Size

11.7MB
MD5

0682a05b056026c957fdcdb15e3b3485
SHA1

422091a97fdc01609ad2f8c62c2e5c03bfe2321f
SHA256

ac8bdc073f9b3f0ac30aaa7527b75171c600d1ccf1e8da9e1ab05f879503d576
SHA512

c03986fc3d592ba603141b0a2cd80ea9dd4cf1b461b930bfa5a6ccad334993e014dbf4231cbceba13c69df11f91bdad71df7748e370b906d26d4dc0acb36552e
SSDEEP

196608:Wrdl7qC/fCAmEAHgVXPhu7/GvD6erN0jQ061836sxMQ37oVH+Ce4pDhoGCk:Wrd0C/zFcgV5kG+CyQO366BcVeeJ

Score

10^/10

execution upx

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://mrodevicemgr.officeapps.live.com/mrodevicemgrsvc/api/v2/C2RReleaseData

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
14	948	powershell.exe

Executes dropped EXE 2 IoCs

pid	Process
1672	sg.tmp
3552	OInstall_x64.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2924-0-0x0000000000400000-0x000000000057F000-memory.dmp	upx
behavioral2/memory/2924-57-0x0000000000400000-0x000000000057F000-memory.dmp	upx

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
948	powershell.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
948	powershell.exe
948	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeBackupPrivilege	2924	ac8bdc073f9b3f0ac30aaa7527b75171c600d1ccf1e8da9e1ab05f879503d576.exe
Token: SeRestorePrivilege	2924	ac8bdc073f9b3f0ac30aaa7527b75171c600d1ccf1e8da9e1ab05f879503d576.exe
Token: 33	2924	ac8bdc073f9b3f0ac30aaa7527b75171c600d1ccf1e8da9e1ab05f879503d576.exe
Token: SeIncBasePriorityPrivilege	2924	ac8bdc073f9b3f0ac30aaa7527b75171c600d1ccf1e8da9e1ab05f879503d576.exe
Token: 33	2924	ac8bdc073f9b3f0ac30aaa7527b75171c600d1ccf1e8da9e1ab05f879503d576.exe
Token: SeIncBasePriorityPrivilege	2924	ac8bdc073f9b3f0ac30aaa7527b75171c600d1ccf1e8da9e1ab05f879503d576.exe
Token: 33	2924	ac8bdc073f9b3f0ac30aaa7527b75171c600d1ccf1e8da9e1ab05f879503d576.exe
Token: SeIncBasePriorityPrivilege	2924	ac8bdc073f9b3f0ac30aaa7527b75171c600d1ccf1e8da9e1ab05f879503d576.exe
Token: SeRestorePrivilege	1672	sg.tmp
Token: 35	1672	sg.tmp
Token: SeSecurityPrivilege	1672	sg.tmp
Token: SeSecurityPrivilege	1672	sg.tmp
Token: 33	2924	ac8bdc073f9b3f0ac30aaa7527b75171c600d1ccf1e8da9e1ab05f879503d576.exe
Token: SeIncBasePriorityPrivilege	2924	ac8bdc073f9b3f0ac30aaa7527b75171c600d1ccf1e8da9e1ab05f879503d576.exe
Token: SeIncreaseQuotaPrivilege	1688	WMIC.exe
Token: SeSecurityPrivilege	1688	WMIC.exe
Token: SeTakeOwnershipPrivilege	1688	WMIC.exe
Token: SeLoadDriverPrivilege	1688	WMIC.exe
Token: SeSystemProfilePrivilege	1688	WMIC.exe
Token: SeSystemtimePrivilege	1688	WMIC.exe
Token: SeProfSingleProcessPrivilege	1688	WMIC.exe
Token: SeIncBasePriorityPrivilege	1688	WMIC.exe
Token: SeCreatePagefilePrivilege	1688	WMIC.exe
Token: SeBackupPrivilege	1688	WMIC.exe
Token: SeRestorePrivilege	1688	WMIC.exe
Token: SeShutdownPrivilege	1688	WMIC.exe
Token: SeDebugPrivilege	1688	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1688	WMIC.exe
Token: SeRemoteShutdownPrivilege	1688	WMIC.exe
Token: SeUndockPrivilege	1688	WMIC.exe
Token: SeManageVolumePrivilege	1688	WMIC.exe
Token: 33	1688	WMIC.exe
Token: 34	1688	WMIC.exe
Token: 35	1688	WMIC.exe
Token: 36	1688	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1688	WMIC.exe
Token: SeSecurityPrivilege	1688	WMIC.exe
Token: SeTakeOwnershipPrivilege	1688	WMIC.exe
Token: SeLoadDriverPrivilege	1688	WMIC.exe
Token: SeSystemProfilePrivilege	1688	WMIC.exe
Token: SeSystemtimePrivilege	1688	WMIC.exe
Token: SeProfSingleProcessPrivilege	1688	WMIC.exe
Token: SeIncBasePriorityPrivilege	1688	WMIC.exe
Token: SeCreatePagefilePrivilege	1688	WMIC.exe
Token: SeBackupPrivilege	1688	WMIC.exe
Token: SeRestorePrivilege	1688	WMIC.exe
Token: SeShutdownPrivilege	1688	WMIC.exe
Token: SeDebugPrivilege	1688	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1688	WMIC.exe
Token: SeRemoteShutdownPrivilege	1688	WMIC.exe
Token: SeUndockPrivilege	1688	WMIC.exe
Token: SeManageVolumePrivilege	1688	WMIC.exe
Token: 33	1688	WMIC.exe
Token: 34	1688	WMIC.exe
Token: 35	1688	WMIC.exe
Token: 36	1688	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3744	WMIC.exe
Token: SeSecurityPrivilege	3744	WMIC.exe
Token: SeTakeOwnershipPrivilege	3744	WMIC.exe
Token: SeLoadDriverPrivilege	3744	WMIC.exe
Token: SeSystemProfilePrivilege	3744	WMIC.exe
Token: SeSystemtimePrivilege	3744	WMIC.exe
Token: SeProfSingleProcessPrivilege	3744	WMIC.exe
Token: SeIncBasePriorityPrivilege	3744	WMIC.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 2096	2924	ac8bdc073f9b3f0ac30aaa7527b75171c600d1ccf1e8da9e1ab05f879503d576.exe	84
PID 2924 wrote to memory of 2096	2924	ac8bdc073f9b3f0ac30aaa7527b75171c600d1ccf1e8da9e1ab05f879503d576.exe	84
PID 2924 wrote to memory of 1672	2924	ac8bdc073f9b3f0ac30aaa7527b75171c600d1ccf1e8da9e1ab05f879503d576.exe	86
PID 2924 wrote to memory of 1672	2924	ac8bdc073f9b3f0ac30aaa7527b75171c600d1ccf1e8da9e1ab05f879503d576.exe	86
PID 2924 wrote to memory of 1672	2924	ac8bdc073f9b3f0ac30aaa7527b75171c600d1ccf1e8da9e1ab05f879503d576.exe	86
PID 2924 wrote to memory of 3552	2924	ac8bdc073f9b3f0ac30aaa7527b75171c600d1ccf1e8da9e1ab05f879503d576.exe	90
PID 2924 wrote to memory of 3552	2924	ac8bdc073f9b3f0ac30aaa7527b75171c600d1ccf1e8da9e1ab05f879503d576.exe	90
PID 3552 wrote to memory of 4996	3552	OInstall_x64.exe	91
PID 3552 wrote to memory of 4996	3552	OInstall_x64.exe	91
PID 3552 wrote to memory of 2320	3552	OInstall_x64.exe	93
PID 3552 wrote to memory of 2320	3552	OInstall_x64.exe	93
PID 4996 wrote to memory of 1688	4996	cmd.exe	95
PID 4996 wrote to memory of 1688	4996	cmd.exe	95
PID 3552 wrote to memory of 3948	3552	OInstall_x64.exe	97
PID 3552 wrote to memory of 3948	3552	OInstall_x64.exe	97
PID 3948 wrote to memory of 3744	3948	cmd.exe	99
PID 3948 wrote to memory of 3744	3948	cmd.exe	99
PID 3552 wrote to memory of 948	3552	OInstall_x64.exe	100
PID 3552 wrote to memory of 948	3552	OInstall_x64.exe	100

C:\Users\Admin\AppData\Local\Temp\ac8bdc073f9b3f0ac30aaa7527b75171c600d1ccf1e8da9e1ab05f879503d576.exe
"C:\Users\Admin\AppData\Local\Temp\ac8bdc073f9b3f0ac30aaa7527b75171c600d1ccf1e8da9e1ab05f879503d576.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c set
  2⤵
  PID:2096
- C:\Users\Admin\AppData\Local\Temp\~1295829926680003454~\sg.tmp
  7zG_exe x "C:\Users\Admin\AppData\Local\Temp\ac8bdc073f9b3f0ac30aaa7527b75171c600d1ccf1e8da9e1ab05f879503d576.exe" -y -aoa -o"C:\Users\Admin\AppData\Local\Temp\~5634515151089829120"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1672
- C:\Users\Admin\AppData\Local\Temp\~5634515151089829120\OInstall_x64.exe
  "C:\Users\Admin\AppData\Local\Temp\~5634515151089829120\OInstall_x64.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:3552
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /c WMIC /NAMESPACE:\\root\Microsoft\Windows\Defender PATH MSFT_MpPreference call Add ExclusionPath="C:\Users\Admin\AppData\Local\Temp\~5634515151089829120\OInstall_x64.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4996
  - - C:\Windows\System32\Wbem\WMIC.exe
      WMIC /NAMESPACE:\\root\Microsoft\Windows\Defender PATH MSFT_MpPreference call Add ExclusionPath="C:\Users\Admin\AppData\Local\Temp\~5634515151089829120\OInstall_x64.exe"
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:1688
- - C:\Windows\System32\reg.exe
    "C:\Windows\System32\reg.exe" add "HKLM\SOFTWARE\Microsoft\Windows Script Host\Settings" /v Enabled /t REG_DWORD /d 1 /f
    3⤵
    PID:2320
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /c WMIC /NAMESPACE:\\root\Microsoft\Windows\Defender PATH MSFT_MpPreference call Add ExclusionPath="C:\Users\Admin\AppData\Local\Temp\~5634515151089829120\files"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3948
  - - C:\Windows\System32\Wbem\WMIC.exe
      WMIC /NAMESPACE:\\root\Microsoft\Windows\Defender PATH MSFT_MpPreference call Add ExclusionPath="C:\Users\Admin\AppData\Local\Temp\~5634515151089829120\files"
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:3744
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell" -nop -command "& { (New-Object Net.WebClient).DownloadFile('https://mrodevicemgr.officeapps.live.com/mrodevicemgrsvc/api/v2/C2RReleaseData', 'C:\Users\Admin\AppData\Local\Temp\ver.txt') }"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    PID:948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3ya13rbg.ilc.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\ver.txt

Filesize
56KB

MD5
3a38e39f2efda686b98922ae8dc62761

SHA1
19d6f6e62e2308593dc5032cdd4c4853bd2b5690

SHA256
70fd1ff3721f3a70e9065a5127cea8a50df6ddf6272e67ee6179953fd94a0743

SHA512
c42ec8e833c2fc2b5eba91cfae172fe76fda66118cd06a4542c8e8f9c68e34f93fe9695f62ccb0b254bbbe27c22bd152d2c002ff6b9db44d0e0f2ba10db569a7

Download Submit
C:\Users\Admin\AppData\Local\Temp\~1295829926680003454~\sg.tmp

Filesize
715KB

MD5
7c4718943bd3f66ebdb47ccca72c7b1e

SHA1
f9edfaa7adb8fa528b2e61b2b251f18da10a6969

SHA256
4cc32d00338fc7b206a7c052297acf9ac304ae7de9d61a2475a116959c1524fc

SHA512
e18c40d646fa4948f90f7471da55489df431f255041ebb6dcef86346f91078c9b27894e27216a4b2fe2a1c5e501c7953c77893cf696930123d28a322d49e1516

Download Submit
C:\Users\Admin\AppData\Local\Temp\~5634515151089829120\OInstall_x64.exe

Filesize
18.7MB

MD5
e552dce53a489dbb317a51b0d5025f31

SHA1
ff678648d0e9599a378ebfa7dd773b0a3c398797

SHA256
26f527e7e8ada3ecf79a0173c57049c9a3de236850baf07cc3681543c2a1b419

SHA512
8c04f019435195e4f380272ae5598aaf53547c4d0f565805587db24259913b794c054ac2295a329968f6393bb1eda6e2cc56115f7a25789ec51e7dd5a045b7c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\~5634515151089829120\files\configure.xml

Filesize
1KB

MD5
b150c32450357b92d05a8ba98b104fa5

SHA1
cc3a600e03efd389331f25e2e5cc80698e6b4341

SHA256
3f4a46ea782688abee05ea5d196a382ede5b3125c6a6b92aa630edea882af655

SHA512
8d47a567cc3b175a8af92414090adcd9416469574bc5fb0108597e6ae68b7bf9bc7c66fa972dbf30cad673fdc33dbc2f8e333b7c4ef45395d04c2163afaf3a8a

Download Submit
memory/948-43-0x00000194ACA50000-0x00000194ACA72000-memory.dmp

Filesize
136KB

Download
memory/2924-0-0x0000000000400000-0x000000000057F000-memory.dmp

Filesize
1.5MB

Download
memory/2924-57-0x0000000000400000-0x000000000057F000-memory.dmp

Filesize
1.5MB

Download