9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56

Analysis

max time kernel
182s
max time network
211s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
06/12/2022, 08:55

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General

Target

9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56.exe
Size

766KB
MD5

5876afe51b248a3672782f8cf91e4018
SHA1

4d6244a53ce196f7049289b904a763cf4ca0a70d
SHA256

9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56
SHA512

8bff41d5fc856b0e8f42b673eaf9a33243b717b440437536f2a1bc89c4d6d6cd7611d6ca4bc3b996137c372d2393aa6ece8484985cf4d96b82d2b1e1f5ea456d
SSDEEP

12288:rcEl4vrJ2NOoCvt8kOmcwNUqVZAGXDvTZaLoVxoyyslF8ycTPHgCn4eSJtWl0zyX:r76DJ2NOoS8kOmcis2TmFy5syQPHgCnD

Score

9^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 3 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0007000000014b5d-54.dat	acprotect
behavioral1/files/0x0007000000014b5d-66.dat	acprotect
behavioral1/files/0x0007000000014b5d-67.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
1296	AnAnkernel.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0007000000014b5d-54.dat	upx
behavioral1/memory/1984-57-0x0000000010000000-0x000000001012A000-memory.dmp	upx
behavioral1/files/0x0007000000014b5d-66.dat	upx
behavioral1/files/0x0007000000014b5d-67.dat	upx
behavioral1/memory/1296-75-0x0000000010000000-0x000000001012A000-memory.dmp	upx
behavioral1/memory/1984-78-0x0000000010000000-0x000000001012A000-memory.dmp	upx
behavioral1/memory/1296-80-0x0000000010000000-0x000000001012A000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
832	cmd.exe

Loads dropped DLL 6 IoCs

pid	Process
1984	9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56.exe
1984	9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56.exe
1984	9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56.exe
1984	9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56.exe
1296	AnAnkernel.exe
1296	AnAnkernel.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\AnAnkernel.exe	9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56.exe
File opened for modification	C:\Program Files (x86)\Common Files\AnAnkernel.exe	9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56.exe
File created	C:\Program Files (x86)\Common Files\AnAnkernel.dll	AnAnkernel.exe
File opened for modification	C:\Program Files (x86)\Common Files\AnAnkernel.dll	AnAnkernel.exe
File created	C:\Program Files\Internet Explorer\IJL15.DLL	AnAnkernel.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Fonts\bbf34dbefbbdf9c384f01aed7e3a1c20.dat	AnAnkernel.exe
File opened for modification	C:\Windows\Fonts\bbf34dbefbbdf9c384f01aed7e3a1c20.dat	AnAnkernel.exe

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 29 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
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\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\Toolbar\WebBrowser	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	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\Recovery\AdminActive\{E84E1A41-78C0-11ED-B1EF-6A950B37D0A0} = "0"	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\IETld\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\PageSetup	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
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\LowRegistry\DontShowMeThisDialogAgain	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\Recovery\PendingRecovery	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\InternetRegistry	IEXPLORE.EXE
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 (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\Check_Associations = "NO"	AnAnkernel.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
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "377465542"	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\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1984	9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56.exe
1296	AnAnkernel.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
276	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1984	9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56.exe
1296	AnAnkernel.exe
276	IEXPLORE.EXE
276	IEXPLORE.EXE
1792	IEXPLORE.EXE
1792	IEXPLORE.EXE
1792	IEXPLORE.EXE
1792	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 1296	1984	9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56.exe	27
PID 1984 wrote to memory of 1296	1984	9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56.exe	27
PID 1984 wrote to memory of 1296	1984	9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56.exe	27
PID 1984 wrote to memory of 1296	1984	9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56.exe	27
PID 1296 wrote to memory of 276	1296	AnAnkernel.exe	28
PID 1296 wrote to memory of 276	1296	AnAnkernel.exe	28
PID 1296 wrote to memory of 276	1296	AnAnkernel.exe	28
PID 1296 wrote to memory of 276	1296	AnAnkernel.exe	28
PID 276 wrote to memory of 1792	276	IEXPLORE.EXE	30
PID 276 wrote to memory of 1792	276	IEXPLORE.EXE	30
PID 276 wrote to memory of 1792	276	IEXPLORE.EXE	30
PID 276 wrote to memory of 1792	276	IEXPLORE.EXE	30
PID 1984 wrote to memory of 832	1984	9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56.exe	31
PID 1984 wrote to memory of 832	1984	9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56.exe	31
PID 1984 wrote to memory of 832	1984	9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56.exe	31
PID 1984 wrote to memory of 832	1984	9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56.exe	31
PID 1296 wrote to memory of 276	1296	AnAnkernel.exe	28

C:\Users\Admin\AppData\Local\Temp\9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56.exe
"C:\Users\Admin\AppData\Local\Temp\9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Program Files (x86)\Common Files\AnAnkernel.exe
  "C:\Program Files (x86)\Common Files\AnAnkernel.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1296
- - C:\Program Files\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files\Internet Explorer\IEXPLORE.EXE" -nohome
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:276
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:276 CREDAT:275457 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1792
- C:\Windows\SysWOW64\cmd.exe
  cmd /c c:\del_file_1.bat
  2⤵
  - Deletes itself
  PID:832

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:\Program Files (x86)\Common Files\AnAnkernel.exe

Filesize
766KB

MD5
5876afe51b248a3672782f8cf91e4018

SHA1
4d6244a53ce196f7049289b904a763cf4ca0a70d

SHA256
9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56

SHA512
8bff41d5fc856b0e8f42b673eaf9a33243b717b440437536f2a1bc89c4d6d6cd7611d6ca4bc3b996137c372d2393aa6ece8484985cf4d96b82d2b1e1f5ea456d

Download Submit
C:\Program Files (x86)\Common Files\AnAnkernel.exe

Filesize
766KB

MD5
5876afe51b248a3672782f8cf91e4018

SHA1
4d6244a53ce196f7049289b904a763cf4ca0a70d

SHA256
9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56

SHA512
8bff41d5fc856b0e8f42b673eaf9a33243b717b440437536f2a1bc89c4d6d6cd7611d6ca4bc3b996137c372d2393aa6ece8484985cf4d96b82d2b1e1f5ea456d

Download Submit
C:\Users\Admin\AppData\Local\Temp\E_4\Exmlrpc.fne

Filesize
72KB

MD5
4b93667fd1049edc44df7888773e24d6

SHA1
45a73a3b4c3e43118c6b264a5dd7d30b6cca4e4f

SHA256
f650908d54de80e4cf3a7859efe11812e41e3e4515050434cff904e6a150453a

SHA512
7bffbc049906b990c12820afe004b67b32c83a71c6bd36f6222ff062e9bced38a03f6d80e2dd7b269845ddd986b1517b5e136f5c772d7c6c93f7dc4d12bda0b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\E_4\dp1.fne

Filesize
124KB

MD5
a062fbf36321864ac8e7e2e408ff0d90

SHA1
8cc46a09096eb373e5e01d7547f108eb09bbac9d

SHA256
249a27ede8d0fbd3e5dd89b9150d1215c7ae1dc2f137db5a67cee44e6b5c0431

SHA512
2ddb24f7f9a6f6b17b4ac3a5e0b4cfe9424a710ef34c7918754bcd4acff8ff41e043c2e8ab829da42d2e4a80cc45b59f309253833ba3d7329ba79d7fc7128819

Download Submit
C:\Users\Admin\AppData\Local\Temp\E_4\krnln.fnr

Filesize
406KB

MD5
6aea0226a87d8d144963ab68b02009ac

SHA1
6dcc3d247ac8e872c8cfb7db73e1de1032fc6b11

SHA256
ad7a6428108f2d01f2e1b747fc5f225fe7e32da7219c7df017a566566954b173

SHA512
d171cb12715b1952d4f214780472668d57604e1f4efba798f1a84dab633ab39a95830ec80dee4a7abfa5969ea4d472f21f54d99ff480d02660c41e3f9489af4a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\R9I8LLYB.txt

Filesize
601B

MD5
36bc1ff5ef1e1a97cc5782d6b6d722a3

SHA1
1fec67536ca1fa7fc183bd35d87886463836cede

SHA256
e88fe48466966dc87267ed27a5367758737d0149683b10a21d46b1ad7928f187

SHA512
6ac8e46f8d79771e6c19890efb2dca7de4a8ffb67fb0460263812e45f0594b78325dfb9f8ffb3776122b66b95d8fa84411863d077f2dee0626b20f619e0912af

Download Submit
\??\c:\del_file_1.bat

Filesize
271B

MD5
ec8426955af4f942359449aca3d39889

SHA1
9e1bd3b18049480c8381db1ad0b5d2033be84369

SHA256
0b171c916f0d50a90ac98f7fd00809d1ab4c1e9ec13ba619377c50c3d51fe10c

SHA512
f2dd74fc7a742bc63a762b6db438c97295eab6eeb8f90ccee71ef0c35858680da0d2e9f596ae055701783a794ef98bf84c654059fe237ed9bb51812608578970

Download Submit
\Program Files (x86)\Common Files\AnAnkernel.exe

Filesize
766KB

MD5
5876afe51b248a3672782f8cf91e4018

SHA1
4d6244a53ce196f7049289b904a763cf4ca0a70d

SHA256
9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56

SHA512
8bff41d5fc856b0e8f42b673eaf9a33243b717b440437536f2a1bc89c4d6d6cd7611d6ca4bc3b996137c372d2393aa6ece8484985cf4d96b82d2b1e1f5ea456d

Download Submit
\Program Files (x86)\Common Files\AnAnkernel.exe

Filesize
766KB

MD5
5876afe51b248a3672782f8cf91e4018

SHA1
4d6244a53ce196f7049289b904a763cf4ca0a70d

SHA256
9c8119840420290b62ab412cd5406fd31b73ba130f859d3a3999153b70870a56

SHA512
8bff41d5fc856b0e8f42b673eaf9a33243b717b440437536f2a1bc89c4d6d6cd7611d6ca4bc3b996137c372d2393aa6ece8484985cf4d96b82d2b1e1f5ea456d

Download Submit
\Users\Admin\AppData\Local\Temp\E_4\dp1.fne

Filesize
124KB

MD5
a062fbf36321864ac8e7e2e408ff0d90

SHA1
8cc46a09096eb373e5e01d7547f108eb09bbac9d

SHA256
249a27ede8d0fbd3e5dd89b9150d1215c7ae1dc2f137db5a67cee44e6b5c0431

SHA512
2ddb24f7f9a6f6b17b4ac3a5e0b4cfe9424a710ef34c7918754bcd4acff8ff41e043c2e8ab829da42d2e4a80cc45b59f309253833ba3d7329ba79d7fc7128819

Download Submit
\Users\Admin\AppData\Local\Temp\E_4\dp1.fne

Filesize
124KB

MD5
a062fbf36321864ac8e7e2e408ff0d90

SHA1
8cc46a09096eb373e5e01d7547f108eb09bbac9d

SHA256
249a27ede8d0fbd3e5dd89b9150d1215c7ae1dc2f137db5a67cee44e6b5c0431

SHA512
2ddb24f7f9a6f6b17b4ac3a5e0b4cfe9424a710ef34c7918754bcd4acff8ff41e043c2e8ab829da42d2e4a80cc45b59f309253833ba3d7329ba79d7fc7128819

Download Submit
\Users\Admin\AppData\Local\Temp\E_4\krnln.fnr

Filesize
406KB

MD5
6aea0226a87d8d144963ab68b02009ac

SHA1
6dcc3d247ac8e872c8cfb7db73e1de1032fc6b11

SHA256
ad7a6428108f2d01f2e1b747fc5f225fe7e32da7219c7df017a566566954b173

SHA512
d171cb12715b1952d4f214780472668d57604e1f4efba798f1a84dab633ab39a95830ec80dee4a7abfa5969ea4d472f21f54d99ff480d02660c41e3f9489af4a

Download Submit
\Users\Admin\AppData\Local\Temp\E_4\krnln.fnr

Filesize
406KB

MD5
6aea0226a87d8d144963ab68b02009ac

SHA1
6dcc3d247ac8e872c8cfb7db73e1de1032fc6b11

SHA256
ad7a6428108f2d01f2e1b747fc5f225fe7e32da7219c7df017a566566954b173

SHA512
d171cb12715b1952d4f214780472668d57604e1f4efba798f1a84dab633ab39a95830ec80dee4a7abfa5969ea4d472f21f54d99ff480d02660c41e3f9489af4a

Download Submit
memory/1296-74-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/1296-80-0x0000000010000000-0x000000001012A000-memory.dmp

Filesize
1.2MB

Download
memory/1296-71-0x0000000000650000-0x0000000000671000-memory.dmp

Filesize
132KB

Download
memory/1296-75-0x0000000010000000-0x000000001012A000-memory.dmp

Filesize
1.2MB

Download
memory/1984-59-0x00000000003B0000-0x00000000003D1000-memory.dmp

Filesize
132KB

Download
memory/1984-72-0x0000000000450000-0x0000000000495000-memory.dmp

Filesize
276KB

Download
memory/1984-77-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/1984-73-0x0000000000450000-0x0000000000495000-memory.dmp

Filesize
276KB

Download
memory/1984-78-0x0000000010000000-0x000000001012A000-memory.dmp

Filesize
1.2MB

Download
memory/1984-56-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/1984-57-0x0000000010000000-0x000000001012A000-memory.dmp

Filesize
1.2MB

Download
memory/1984-55-0x0000000075D61000-0x0000000075D63000-memory.dmp

Filesize
8KB

Download