c79f2f6cd70358a2df2382bcb191aa6f22ba0d17d547e1e2c4350d0546c9be24

Analysis

max time kernel
120s
max time network
135s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
04/12/2024, 16:17

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General

Target

readme.htm
Size

9KB
MD5

5b96088417f22f5e29a2e4085001c336
SHA1

3e65d8e17273abfdde2d03d01d112e0672db4cc0
SHA256

8505c9dcfb645ebb69674413fd343ae032b17655b870aa0ec05527fb0725e21e
SHA512

31cf772129525a9a31502715ffdc3b48144a294bb54e092a943de0d6218e31e873687e025572502c518fb733f90747a8967a2d0022f5af3ba166b1d34626c7df
SSDEEP

96:SM7bUxV3bpKQj6ZVcZPBPMDhi7aJr0QDBcjrfB/7fZN+D9oP0Bq+XEZuZSbuJgr:Sz+ZViPBChi7aOZE9oFZZv

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 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	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{4A141971-B25B-11EF-85B7-D6CBE06212A9} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "439490933"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b03a931e6846db01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000001cfbf6e409790a4580438be52e21a5d0000000000200000000001066000000010000200000009fbac8a7bc8815393119c83ea9de33b4e1e41ebbbb79eda84dd130a2b8f323f0000000000e8000000002000020000000be51da4834a5e7add0da924eecdd0270a61eb051b6af395c0f8a8de92cba73e7200000007e34e19621f89bb71dc84f9ad7d7eeffc7cc655f49a556daac615b86fd4570234000000027b186f331433bb22b72a8ed023e55c660a74b0403da9d05d82b525b4868be00d72b226107ec754214b861faa428990ee68db8c8f26a22bdb1631f832777fed2	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2568	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2568	iexplore.exe
2568	iexplore.exe
1936	IEXPLORE.EXE
1936	IEXPLORE.EXE
1936	IEXPLORE.EXE
1936	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 1936	2568	iexplore.exe	30
PID 2568 wrote to memory of 1936	2568	iexplore.exe	30
PID 2568 wrote to memory of 1936	2568	iexplore.exe	30
PID 2568 wrote to memory of 1936	2568	iexplore.exe	30

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\readme.htm
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2568 CREDAT:275457 /prefetch:2
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

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
342B

MD5
5cfcecaa1a8830e274e43c3aec82353d

SHA1
6214675f6f1daaacabd551c6c86094ffa0236598

SHA256
5aa3485495d62998635aecea281cd9ea6cebe48b49733d243917105b8ab7a28e

SHA512
14eb01663b992a7636ef8ecbf8ad385da3dfd7a338870b69ad119b6919bd6850016938935aac0152ff6a60ccc6804cf97c63e1cb91d4f6a20073aa892d3c0602

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
43f37a436f4d3dec259a9c01a20eaf2f

SHA1
3dc44308e45079a0dd1770eb64f1dde4d9ac4171

SHA256
ad5dc06a869ad6ae5290566e1d8dd5a03a498a6f91e39bc0eed2bb80aa4115d2

SHA512
91a84b0de78eeafb522b77958d2424d9ebab00b57aba1683ab8790013d8b1c01b840f51d133872a5587f227552b3df727b990423c59736e847f0bb55ad0a286b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
faa8adde7684b00497f53bfaa8066497

SHA1
799591a005bce4ace7407821f7e68537d1119048

SHA256
dd5ccada9f8b384b0c277836cc524c4d09b9a30cb951b68de706f6804f53e307

SHA512
630e9f09b559c48490a313a96f30c3b5a264a5fd91cbe1d8d6edfb14dc7c7e080c5a8bbc40f018fc1ed4653993d5f5da033698d7d9c2c5939cd12d532bb7d474

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
beec7b7651d67e0317f75f8fd81c23d4

SHA1
406e99edf35d5500918478c09b5b835c740dad20

SHA256
f41f49d0fa58128293d08d9e3e85d200d6d687e58a7da2a183dc27a8c3e68d28

SHA512
e173d8e6eea1f81c804865ee94d058e5522528c2ff316c9b410aa70c4819743976c97fa82f4254706ac555d47a07171edfb26163ffef064af242298bb835ac1b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
3758e4493184326cb586eb959a915af1

SHA1
96934e16e63daaadf77e0bedb2c76dd98d6800bd

SHA256
f0367d93c1c37f27356aa849e8ce255f666a552f430b1813690f2690f6f7eaee

SHA512
bd1f0e86696a37a59b85daabf4f0a49530425ef7ad12c6c684aaaab1811c3c698ab18f1dcaa74d47385e0c85f7089d6ee67f7d362375623f347a388f1ad52238

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
22c38736604c5e211654af7a8fa85926

SHA1
a64696891fa94ae7ebc348d894c00591bda1af6f

SHA256
7e6a2943d611cdae982edf7d7f03ff0518d77c6147efdc2c17d2d5e9c1180ae5

SHA512
e7e634b0ad8680903aeb51a1efca1dea352a7c2943f8a5c039ddc7c5e17fe5462fe263babf3504a5f40cfa8f8c9a6be3af21541ae98a75f7845aa9e880c6a009

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
ec83ece8cf020e7676e81bcdba2a2790

SHA1
d82f0d80d78d7df1185cf7637ed7374a75357349

SHA256
e06c4c7a4fdf6d1104a722bde9d8f488836092e091cfef291157768ee157cfb7

SHA512
4b4c41a15a38ade4caf3d92d9570ea78cfde9ee63f7ba545f9b9305aaa2354ed39825f70d5d22807c1ac939a9729f0feb533e7c4fa717daa9e953a774fbaba11

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
b0f7221f8223e7acf53c6df7877859e9

SHA1
dfd6e999f8ee589f13862943c2677f9061fe0af9

SHA256
97043ec81d72b94af420f1654464a25cf1130d358729a698892b7e54c88e1082

SHA512
2655c3c4cdcb489d8225f30e10103734ac28c1401c421633e8b6f22a6d42591bc3447ea344e9253b88fbfc72aab00e3af22c8a84a9b79be1d4bd18628918c32d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
3dce69d2587103d1334b0ed1712dccb9

SHA1
60e756888c7f8dc9e6e6e7ad13edb6127f4be606

SHA256
31b4fad6f0bf481ab980457c02831ff472818b28cc6cdea54f948580e573e3a7

SHA512
19373b4a529fcc2d298e452edccbec1357794e23aa2aa7205845b8d78b3c33a761704d9ba4a54aaa9cb7b51dfb9f9aeccd8696785559ed62729ca2d1d097fcff

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
1c23a3c84d8050ed704c4cb21bc7db40

SHA1
2f67cf28e49998fa885efbc2f7ee09f6b6215f92

SHA256
16587a294a2e0f4ef5818f2840f7a08671895ec89e6d1414f64e873204b43b0c

SHA512
49563fb484e7b6cdfea24189b3daf59b51a51ef8ca261ed82bf52b10593dafda31c14f2fe365ba8961c8bc6f3f4422e03e903d8482c1b6128d0fd5ae30a9d28e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
9b6173c1a5f42ad97b8864c46e26f992

SHA1
70a141d443982c2c92d58bc70dda01409680a4f5

SHA256
9c4d5f82c4f8d4f710681e642c1351d6a8c0e0b4c2d771120ea0ace6e5dd0b12

SHA512
5b59e719eedceff7a7685e1d9cee7913a304ea524880f807a48f3b5dad6c698867487af9159f4c8ee35550f3398236ff0f7003d27b37239dc0068dd41085235d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
78ce3ca838a85d5971e2c4f12ab44283

SHA1
b7233d8c68cdc4748fb4868b03f8e69e9cb2ddef

SHA256
80238516b7d13f48a8ba097836c3e98d9731dae488a000e48f2d9a3fe8e9f5bf

SHA512
1eefb0215b0f606ec938bce375b3ec4a7453342578c051935f77d828500f4baf335bfeaf17a46f68adf420f4b88c519b8f109d29dfab8ebe56bf059574228477

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
588cc801c01421a447afc21a0cf22e84

SHA1
30c6eafa291f17619ea211bc5a3ca179e7b83524

SHA256
7201145a78314c97fb1cf882c87b3bd0d9e2359c5d5784f93ea7eb61c75d1358

SHA512
b2657d68ca2cd0c04d0e894947c7a1a8718e9d741a330b576fba4af6a3828fed9d741c0430ea3a6680742a01b50abc75746c271f5e03282474d7e2531dd2eb37

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabD184.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarD243.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit