acdd951a428d4fd7b2da757fb7d151e11ba1b8add11ae5548014f3897a37284b

Analysis

max time kernel
123s
max time network
164s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
28/11/2022, 07:47

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General

Target

acdd951a428d4fd7b2da757fb7d151e11ba1b8add11ae5548014f3897a37284b.exe
Size

56KB
MD5

405e13e56892ffae299019ab65fe1e15
SHA1

11a8ab4a0a50806dad14259431bdbb874528bc43
SHA256

acdd951a428d4fd7b2da757fb7d151e11ba1b8add11ae5548014f3897a37284b
SHA512

12249d0c3989a452906df7eb0d19833117940c037db050c9f07e05518f053fab363082ca64e9d165e53aedf608141ef8d71ace84b796dbafb50123723fcd84b1
SSDEEP

1536:3oLDYsacy7mHMowHjXJpw5AeUEEc+xtkZQJKFTiZ8:3oPyys5jXJpw5AeU5c+xttMFC

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 5 IoCs

pid	Process
864	acdd951a428d4fd7b2da757fb7d151e11ba1b8add11ae5548014f3897a37284b.exe
864	acdd951a428d4fd7b2da757fb7d151e11ba1b8add11ae5548014f3897a37284b.exe
864	acdd951a428d4fd7b2da757fb7d151e11ba1b8add11ae5548014f3897a37284b.exe
864	acdd951a428d4fd7b2da757fb7d151e11ba1b8add11ae5548014f3897a37284b.exe
864	acdd951a428d4fd7b2da757fb7d151e11ba1b8add11ae5548014f3897a37284b.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
536	taskkill.exe

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000069a834b3cae0e44eb6b4b9e9b8899c0a000000000200000000001066000000010000200000003296e26b501f9a124b1be1f57dc4f79fbd5c74a1ea08a9d8a15ebd0fc318b34d000000000e80000000020000200000006c100e8e7db17dfd2c4928d4a6fd374748f8672a4f267fbea4d0d95e7456e48c90000000514da3be4a469af36237074082761a22cf7775d7708efa664698c29c0f21411c2257c48089e974f6c2385057368f58b0ed8b28e3f7684dbe1a153e3db494cca3205e486adc4c96000ebd47a4c70290b46f286a29d5e8ce6b77fca28b54efd527e0cdd9282fd20a91c26bc172c5be7368da7f1186496c6772de085fa06c512193e703f19529d0cbcb43ea85178fc3f7c2400000008ab9ff3d901a4dc3b97c60b0212c4e7dd7ab5c85a1666cd3f3c92fe026848b678ed2fc753f7198786edd8d807b98676daba7b7d72164e5c452e77d70554dc06e	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000069a834b3cae0e44eb6b4b9e9b8899c0a00000000020000000000106600000001000020000000af62f63ac371810ccd23279bb62e647287d5ecef2b731570af97043c509bbf77000000000e8000000002000020000000b6fd15611b38ac13f2a3acf5375e99d313a7bde2d23c461b9de676a3a45b93c620000000bf457dc0eceabebecc453f524134ebf5f3821e573a56d915390e66679140780740000000a50f414bc4b8203ade53f5baeebd14b79b8fd00f67555edd8e25d31c63da2eaaac80555af9b63d9cdc35be939862543cf0218686dfa32238983e6184538ff9d7	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{9B99A991-6FEB-11ED-B68C-6A6CB2F85B9F} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 30001b8df803d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376494307"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	536	taskkill.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
756	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
756	iexplore.exe
756	iexplore.exe
1736	IEXPLORE.EXE
1736	IEXPLORE.EXE
1736	IEXPLORE.EXE
1736	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 864 wrote to memory of 756	864	acdd951a428d4fd7b2da757fb7d151e11ba1b8add11ae5548014f3897a37284b.exe	31
PID 864 wrote to memory of 756	864	acdd951a428d4fd7b2da757fb7d151e11ba1b8add11ae5548014f3897a37284b.exe	31
PID 864 wrote to memory of 756	864	acdd951a428d4fd7b2da757fb7d151e11ba1b8add11ae5548014f3897a37284b.exe	31
PID 864 wrote to memory of 756	864	acdd951a428d4fd7b2da757fb7d151e11ba1b8add11ae5548014f3897a37284b.exe	31
PID 864 wrote to memory of 536	864	acdd951a428d4fd7b2da757fb7d151e11ba1b8add11ae5548014f3897a37284b.exe	32
PID 864 wrote to memory of 536	864	acdd951a428d4fd7b2da757fb7d151e11ba1b8add11ae5548014f3897a37284b.exe	32
PID 864 wrote to memory of 536	864	acdd951a428d4fd7b2da757fb7d151e11ba1b8add11ae5548014f3897a37284b.exe	32
PID 864 wrote to memory of 536	864	acdd951a428d4fd7b2da757fb7d151e11ba1b8add11ae5548014f3897a37284b.exe	32
PID 756 wrote to memory of 1736	756	iexplore.exe	34
PID 756 wrote to memory of 1736	756	iexplore.exe	34
PID 756 wrote to memory of 1736	756	iexplore.exe	34
PID 756 wrote to memory of 1736	756	iexplore.exe	34

C:\Users\Admin\AppData\Local\Temp\acdd951a428d4fd7b2da757fb7d151e11ba1b8add11ae5548014f3897a37284b.exe
"C:\Users\Admin\AppData\Local\Temp\acdd951a428d4fd7b2da757fb7d151e11ba1b8add11ae5548014f3897a37284b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:864
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://myredir.net/K_Y0OxVHTtzcWeubp77DRaqWpG
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:756
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:756 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:1736
- C:\Windows\SysWOW64\taskkill.exe
  taskkill -f -im Y0OxVHTtzcWeubp77DRaqWpG_has.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:536

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
340B

MD5
00a4c0e047205fe59ab07d4bb2c71014

SHA1
714d95fcb731a956fd04f05c7c4836070bec51c3

SHA256
a28a457dade009042b5018e96b528f7715fa3f94e269c6cb4ccaad102c7d225e

SHA512
4bafdce3614c7e64a54a1243dded6d4aa8e739404d05cc5b34968c3aa39ebf10b9a6eea88e46037069bc64f7a432cbf65400802e57533ae439dec6e047810e02

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\ZGRP1GZB.txt

Filesize
608B

MD5
5e426e73e912adef96419440ce4b9b23

SHA1
d58ba20eb7d9161a00a1d418c8dce24f3ee7b5a4

SHA256
2831c9bd07497bfae9f21d4e1f1133c82fecfb56080e92cfc70dd8f9b298784d

SHA512
51ad06a73e23e0225a58074a9f87f0d84d0325a7262bfffe1daf021a5131ddf014f6e0e78a0fba0dd96d70c80d26f49bb1b9d5766edf65607f87ab52574a872d

Download Submit
\Users\Admin\AppData\Local\Temp\nsd47FB.tmp\inetc.dll

Filesize
21KB

MD5
d7a3fa6a6c738b4a3c40d5602af20b08

SHA1
34fc75d97f640609cb6cadb001da2cb2c0b3538a

SHA256
67eff17c53a78c8ec9a28f392b9bb93df3e74f96f6ecd87a333a482c36546b3e

SHA512
75cf123448567806be5f852ebf70f398da881e89994b82442a1f4bc6799894e799f979f5ab1cc9ba12617e48620e6c34f71e23259da498da37354e5fd3c0f934

Download Submit
\Users\Admin\AppData\Local\Temp\nsd47FB.tmp\inetc.dll

Filesize
21KB

MD5
d7a3fa6a6c738b4a3c40d5602af20b08

SHA1
34fc75d97f640609cb6cadb001da2cb2c0b3538a

SHA256
67eff17c53a78c8ec9a28f392b9bb93df3e74f96f6ecd87a333a482c36546b3e

SHA512
75cf123448567806be5f852ebf70f398da881e89994b82442a1f4bc6799894e799f979f5ab1cc9ba12617e48620e6c34f71e23259da498da37354e5fd3c0f934

Download Submit
\Users\Admin\AppData\Local\Temp\nsd47FB.tmp\inetc.dll

Filesize
21KB

MD5
d7a3fa6a6c738b4a3c40d5602af20b08

SHA1
34fc75d97f640609cb6cadb001da2cb2c0b3538a

SHA256
67eff17c53a78c8ec9a28f392b9bb93df3e74f96f6ecd87a333a482c36546b3e

SHA512
75cf123448567806be5f852ebf70f398da881e89994b82442a1f4bc6799894e799f979f5ab1cc9ba12617e48620e6c34f71e23259da498da37354e5fd3c0f934

Download Submit
\Users\Admin\AppData\Local\Temp\nsd47FB.tmp\inetc.dll

Filesize
21KB

MD5
d7a3fa6a6c738b4a3c40d5602af20b08

SHA1
34fc75d97f640609cb6cadb001da2cb2c0b3538a

SHA256
67eff17c53a78c8ec9a28f392b9bb93df3e74f96f6ecd87a333a482c36546b3e

SHA512
75cf123448567806be5f852ebf70f398da881e89994b82442a1f4bc6799894e799f979f5ab1cc9ba12617e48620e6c34f71e23259da498da37354e5fd3c0f934

Download Submit
\Users\Admin\AppData\Local\Temp\nsd47FB.tmp\inetc.dll

Filesize
21KB

MD5
d7a3fa6a6c738b4a3c40d5602af20b08

SHA1
34fc75d97f640609cb6cadb001da2cb2c0b3538a

SHA256
67eff17c53a78c8ec9a28f392b9bb93df3e74f96f6ecd87a333a482c36546b3e

SHA512
75cf123448567806be5f852ebf70f398da881e89994b82442a1f4bc6799894e799f979f5ab1cc9ba12617e48620e6c34f71e23259da498da37354e5fd3c0f934

Download Submit
memory/864-54-0x0000000076261000-0x0000000076263000-memory.dmp

Filesize
8KB

Download