8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3

General

Target

8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe
Size

72KB
MD5

77d22b7e0a9a1fff4a7273bfe4321429
SHA1

45c31bc66f81cdd191324d135b4745bade9503b6
SHA256

8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3
SHA512

ed5881825ca455b153839d73f50300f3adc14983a04bda2ce5e56283c010f96a7b0aab2c1acfb7716369c99e6649dc2f25a231a3275153696b4146f678e4902c
SSDEEP

768:xvfnFrjhZ5xYaIY8bEM9ChqGOmyHKS2c7nWsDfSSg7wjobPcFTf3b6N44444jU:x3N5jMIqGOa8qsWt7GMPMTf3b6t

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\4Wd3x8 = "C:\\Windows\\GnRJ1.exe"	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\naQP9mC = "C:\\Windows\\GnRJ1.exe"	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe

description	pid	process	target process
PID 2028 set thread context of 1984	2028	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe

Drops file in Windows directory 2 IoCs

Processes:

cmd.exe

description ioc process

File created C:\Windows\GnRJ1.exe cmd.exe
File opened for modification C:\Windows\GnRJ1.exe cmd.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\GnRJ1.exe	cmd.exe
File opened for modification	C:\Windows\GnRJ1.exe	cmd.exe

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376474352"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000fbec07815684004d899a318f710de6af000000000200000000001066000000010000200000003598c2f49b5c254c1c542e8543f4de1502d6138dfc6e588bf3295d756aa9d554000000000e8000000002000020000000725f0b31d0063b94ab1f87efcaa92ad02c9ed03d7a23c13c396eeb6a48654b0d200000008f833b980e5c1a612dc832dad5fc7708ca7f3bce7e269009d3305f131f5ff10f400000009afb3fb44d1e2323b56bf89b439fd0c015a5c3be77f728c3295dcd170a7b783c0e1e333bbd0789f1cf99ddac0e10311b34b5d76324087a71fbc8e01b05185119	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{21D08851-6FBD-11ED-A80F-CA7A4AEEC1E8} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 7069c305ca03d901	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

2000 iexplore.exe

pid	process
2000	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exeiexplore.exeIEXPLORE.EXE

pid	process
2028	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe
2000	iexplore.exe
2000	iexplore.exe
1684	IEXPLORE.EXE
1684	IEXPLORE.EXE
1684	IEXPLORE.EXE
1684	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exeiexplore.exe

description	pid	process	target process
PID 2028 wrote to memory of 1984	2028	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe
PID 2028 wrote to memory of 1984	2028	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe
PID 2028 wrote to memory of 1984	2028	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe
PID 2028 wrote to memory of 1984	2028	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe
PID 2028 wrote to memory of 1984	2028	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe
PID 2028 wrote to memory of 1984	2028	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe
PID 2028 wrote to memory of 1984	2028	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe
PID 2028 wrote to memory of 1984	2028	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe
PID 2028 wrote to memory of 1984	2028	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe
PID 2028 wrote to memory of 1984	2028	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe
PID 2028 wrote to memory of 776	2028	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe	cmd.exe
PID 2028 wrote to memory of 776	2028	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe	cmd.exe
PID 2028 wrote to memory of 776	2028	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe	cmd.exe
PID 2028 wrote to memory of 776	2028	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe	cmd.exe
PID 1984 wrote to memory of 2000	1984	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe	iexplore.exe
PID 1984 wrote to memory of 2000	1984	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe	iexplore.exe
PID 1984 wrote to memory of 2000	1984	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe	iexplore.exe
PID 1984 wrote to memory of 2000	1984	8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe	iexplore.exe
PID 2000 wrote to memory of 1684	2000	iexplore.exe	IEXPLORE.EXE
PID 2000 wrote to memory of 1684	2000	iexplore.exe	IEXPLORE.EXE
PID 2000 wrote to memory of 1684	2000	iexplore.exe	IEXPLORE.EXE
PID 2000 wrote to memory of 1684	2000	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe
"C:\Users\Admin\AppData\Local\Temp\8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2028

C:\Users\Admin\AppData\Local\Temp\8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe
C:\Users\Admin\AppData\Local\Temp\8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:1984

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=8ac3e1817b32e2be75d54619b456911f915168af28e9f2e41935c44a92d7b5f3.exe&platform=0009&osver=5&isServer=0&shimver=4.0.30319.0
3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2000

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2000 CREDAT:275457 /prefetch:2
4⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1684

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\bat.bat" "
2⤵
- Drops file in Windows directory
PID:776

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\bat.bat
Filesize
181B

MD5
6a56a581b2503484cdf4a79c1e7c7566

SHA1
8039e6e77101b745ce9b29f3bd4a7762051b6e9f

SHA256
615765e1d3c832dcce2aae08c45ee60df68e069e1c87dbd3da0e06dcef6bc42b

SHA512
18b60ac465598cd17b10de54abd361e83373b0c4d5e2400352262b32ab0e522f209862e10da283111f3da63bc17214916baf51feb7402b45960b9719d3c0f10e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\FPID8JE1.txt
Filesize
601B

MD5
0519e2bebc07bb5ca2b927c7116abdb4

SHA1
e61290d241b724b1ad96182b4c33c71a0270bfe3

SHA256
258244bad9f6d2010c46e66aa78242586aff954eef9adda7d5d06232b9284ae4

SHA512
680be70916372ac20662e97103ec767e5974015357cfdf39fd4f73944be6209c155a03e20ec217760357a10a7b9df8e6e4af9d9fd37507118c89c4620e0b3ea9

Download Submit
memory/776-68-0x0000000000000000-mapping.dmp

Download
memory/1984-63-0x00000000004053CE-mapping.dmp

Download
memory/1984-61-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1984-62-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1984-56-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1984-66-0x0000000000402000-0x0000000000405400-memory.dmp

Filesize
13KB

Download
memory/1984-67-0x0000000000402000-0x0000000000405400-memory.dmp

Filesize
13KB

Download
memory/1984-60-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1984-59-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1984-57-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2028-64-0x00000000760B1000-0x00000000760B3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads