2a6f20f0749cb7fe7892e2835bcf5e37b6deadf115f2054cd58b54a8d7dc1819

Analysis

max time kernel
151s
max time network
197s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
29-11-2022 14:59

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General

Target

2a6f20f0749cb7fe7892e2835bcf5e37b6deadf115f2054cd58b54a8d7dc1819.exe
Size

3.0MB
MD5

9c563c0b4bfbb5ae06cf7323e5974c4a
SHA1

a2b10fed37ccf6381a8ec55a008acef75f4fc5dd
SHA256

2a6f20f0749cb7fe7892e2835bcf5e37b6deadf115f2054cd58b54a8d7dc1819
SHA512

094f11cf6e3d7301681cde5195c8e600fa4850ffdc131b370bfefba9222c57d81605b3852f40500838371dec5f1750a3e8979b73906cd91b97174b036588d9ad
SSDEEP

49152:fEoIlPFHG7xjp0g7nVY/ppd6CpgVuKv3lXYfy9/3Uq:879FHG7z0gcpL+usXYA/kq

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 38 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000256ed27e8919d04f83812f84ee5c95da00000000020000000000106600000001000020000000d6a24077bea13a3886f64e584059a4ea81afeb84efbf35a11da221960b54b816000000000e8000000002000020000000afe1662ebf696cc9506c282011d145c70390cbb357e1ec4330620e75d55b81952000000070acca327293fbb2f7388d5ddc80fdf2aae6daeb0d82bc6e4b12d8a08f12d9f740000000e24dd3433dd01fd53abe96269b931437b646120d6ee82fe97d6033fc23a33b46099c95dee95fefeb9dbcd84842a36b2e84bc64af94647f2ddbbe1994171c4402	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 405b231b1e05d901	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376620406"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{395B1A81-7111-11ED-B8AC-EED7317926BC} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1368	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1524	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
952	2a6f20f0749cb7fe7892e2835bcf5e37b6deadf115f2054cd58b54a8d7dc1819.exe
952	2a6f20f0749cb7fe7892e2835bcf5e37b6deadf115f2054cd58b54a8d7dc1819.exe
1524	iexplore.exe
1524	iexplore.exe
1368	IEXPLORE.EXE
1368	IEXPLORE.EXE
1368	IEXPLORE.EXE
1368	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 952 wrote to memory of 1524	952	2a6f20f0749cb7fe7892e2835bcf5e37b6deadf115f2054cd58b54a8d7dc1819.exe	30
PID 952 wrote to memory of 1524	952	2a6f20f0749cb7fe7892e2835bcf5e37b6deadf115f2054cd58b54a8d7dc1819.exe	30
PID 952 wrote to memory of 1524	952	2a6f20f0749cb7fe7892e2835bcf5e37b6deadf115f2054cd58b54a8d7dc1819.exe	30
PID 952 wrote to memory of 1524	952	2a6f20f0749cb7fe7892e2835bcf5e37b6deadf115f2054cd58b54a8d7dc1819.exe	30
PID 1524 wrote to memory of 1368	1524	iexplore.exe	31
PID 1524 wrote to memory of 1368	1524	iexplore.exe	31
PID 1524 wrote to memory of 1368	1524	iexplore.exe	31
PID 1524 wrote to memory of 1368	1524	iexplore.exe	31

C:\Users\Admin\AppData\Local\Temp\2a6f20f0749cb7fe7892e2835bcf5e37b6deadf115f2054cd58b54a8d7dc1819.exe
"C:\Users\Admin\AppData\Local\Temp\2a6f20f0749cb7fe7892e2835bcf5e37b6deadf115f2054cd58b54a8d7dc1819.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:952
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://www.30cf.com/
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1524
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1524 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1368

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\Local\Microsoft\Internet Explorer\imagestore\t9o3c8r\imagestore.dat

Filesize
16KB

MD5
768e2b151ee7538feb29dd56742f6437

SHA1
f8e595ad8cd41e9c1c261bad9676b8f5133e7d3d

SHA256
c4ca93e069bc357cab4cc861967b80ba901646659eb5e03e8a8cb867615c389e

SHA512
9f15eb04ddf971e81660d4fc0b24e330be8e87fcc6b86ec729c3cb8fed971b76f8ff92043614827de742a5d246980d4f67b69f824b05189649c6f56a751133a3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\422I40RZ.txt

Filesize
533B

MD5
3dd2110aad337d4f5243661af6f6128f

SHA1
a6910af5fb624e289b47766d0f90243ab57680bd

SHA256
6e121a47bdb17ab69b3532bf6c04e17dbc3f9ec3ce59386cfe521547e6cd8ea4

SHA512
35b7f664074089f833e95751a9b44700ce054ad030bd21d753c79d6274a8b3731a93f5dea7602d72ed0434bb954fd0e868f13a35658534277d8b56dc454d072d

Download Submit
memory/952-54-0x0000000075701000-0x0000000075703000-memory.dmp

Filesize
8KB

Download