7e48a2f2231593640d5659851dad095edf15e19c24dbe1e29297ddc52fcf8f2b

Analysis

max time kernel
136s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
20-10-2022 03:18

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General

Target

7e48a2f2231593640d5659851dad095edf15e19c24dbe1e29297ddc52fcf8f2b.exe
Size

212KB
MD5

52aa68a076b089ea3570b00f1891e4a4
SHA1

430e28c1452084e41954d3a7c3d2b3b9642df4bb
SHA256

7e48a2f2231593640d5659851dad095edf15e19c24dbe1e29297ddc52fcf8f2b
SHA512

676773c2b4a6228cfb1e056c969ef7a7f8ef7b214bc777912ddc85138b847d55c808cbcb7811ab72547f58dd141f6644e7f6b34282dbc0b592e1caaa151a36bb
SSDEEP

3072:ZQExuz37QQK2PFuCNZ1z4FtP7qM98mORblMMIVBri4hDjKNhLf9TOaB4:VxuzthbZAOM98tp4vrLpGN1f9Oa2

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2140	SLw9R23
3020	ypegkdsskouwbirp.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	SLw9R23

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1876	3848	WerFault.exe	85
4480	4808	WerFault.exe	97

Modifies Internet Explorer settings 1 TTPs 34 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30991471"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373026789"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "57253852"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30991471"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "64596688"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{2EDC4AA2-5062-11ED-A0EE-62142853BA25} = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30991471"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "57253852"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30991471"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "256630158"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3180	IEXPLORE.EXE

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
664	Process not Found

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2140	SLw9R23
Token: SeDebugPrivilege	2140	SLw9R23
Token: SeSecurityPrivilege	3020	ypegkdsskouwbirp.exe
Token: SeLoadDriverPrivilege	3020	ypegkdsskouwbirp.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3180	IEXPLORE.EXE
3180	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3180	IEXPLORE.EXE
3180	IEXPLORE.EXE
5044	IEXPLORE.EXE
5044	IEXPLORE.EXE
5044	IEXPLORE.EXE
5044	IEXPLORE.EXE
3180	IEXPLORE.EXE
3180	IEXPLORE.EXE
4540	IEXPLORE.EXE
4540	IEXPLORE.EXE
4540	IEXPLORE.EXE
4540	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 2140	5016	7e48a2f2231593640d5659851dad095edf15e19c24dbe1e29297ddc52fcf8f2b.exe	84
PID 5016 wrote to memory of 2140	5016	7e48a2f2231593640d5659851dad095edf15e19c24dbe1e29297ddc52fcf8f2b.exe	84
PID 5016 wrote to memory of 2140	5016	7e48a2f2231593640d5659851dad095edf15e19c24dbe1e29297ddc52fcf8f2b.exe	84
PID 2140 wrote to memory of 3848	2140	SLw9R23	85
PID 2140 wrote to memory of 3848	2140	SLw9R23	85
PID 2140 wrote to memory of 3848	2140	SLw9R23	85
PID 2140 wrote to memory of 3848	2140	SLw9R23	85
PID 2140 wrote to memory of 3848	2140	SLw9R23	85
PID 2140 wrote to memory of 3848	2140	SLw9R23	85
PID 2140 wrote to memory of 3848	2140	SLw9R23	85
PID 2140 wrote to memory of 3848	2140	SLw9R23	85
PID 2140 wrote to memory of 3848	2140	SLw9R23	85
PID 2140 wrote to memory of 3356	2140	SLw9R23	93
PID 2140 wrote to memory of 3356	2140	SLw9R23	93
PID 2140 wrote to memory of 3356	2140	SLw9R23	93
PID 3356 wrote to memory of 3180	3356	iexplore.exe	95
PID 3356 wrote to memory of 3180	3356	iexplore.exe	95
PID 3180 wrote to memory of 5044	3180	IEXPLORE.EXE	96
PID 3180 wrote to memory of 5044	3180	IEXPLORE.EXE	96
PID 3180 wrote to memory of 5044	3180	IEXPLORE.EXE	96
PID 2140 wrote to memory of 4808	2140	SLw9R23	97
PID 2140 wrote to memory of 4808	2140	SLw9R23	97
PID 2140 wrote to memory of 4808	2140	SLw9R23	97
PID 2140 wrote to memory of 4808	2140	SLw9R23	97
PID 2140 wrote to memory of 4808	2140	SLw9R23	97
PID 2140 wrote to memory of 4808	2140	SLw9R23	97
PID 2140 wrote to memory of 4808	2140	SLw9R23	97
PID 2140 wrote to memory of 4808	2140	SLw9R23	97
PID 2140 wrote to memory of 4808	2140	SLw9R23	97
PID 2140 wrote to memory of 3420	2140	SLw9R23	101
PID 2140 wrote to memory of 3420	2140	SLw9R23	101
PID 2140 wrote to memory of 3420	2140	SLw9R23	101
PID 3420 wrote to memory of 4768	3420	iexplore.exe	102
PID 3420 wrote to memory of 4768	3420	iexplore.exe	102
PID 3180 wrote to memory of 4540	3180	IEXPLORE.EXE	103
PID 3180 wrote to memory of 4540	3180	IEXPLORE.EXE	103
PID 3180 wrote to memory of 4540	3180	IEXPLORE.EXE	103
PID 2140 wrote to memory of 3020	2140	SLw9R23	104
PID 2140 wrote to memory of 3020	2140	SLw9R23	104
PID 2140 wrote to memory of 3020	2140	SLw9R23	104

C:\Users\Admin\AppData\Local\Temp\7e48a2f2231593640d5659851dad095edf15e19c24dbe1e29297ddc52fcf8f2b.exe
"C:\Users\Admin\AppData\Local\Temp\7e48a2f2231593640d5659851dad095edf15e19c24dbe1e29297ddc52fcf8f2b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5016
- C:\Users\Admin\AppData\Local\Temp\SLw9R23
  "SLw9R23"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2140
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:3848
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3848 -s 204
      4⤵
      Program crash
      PID:1876
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3356
  - - C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      4⤵
      Modifies Internet Explorer settings
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:3180
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3180 CREDAT:17410 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:5044
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3180 CREDAT:17416 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4540
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:4808
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4808 -s 204
      4⤵
      Program crash
      PID:4480
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3420
  - - C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      4⤵
      Modifies Internet Explorer settings
      PID:4768
- - C:\Users\Admin\AppData\Local\Temp\ypegkdsskouwbirp.exe
    "C:\Users\Admin\AppData\Local\Temp\ypegkdsskouwbirp.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:3020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 3848 -ip 3848
1⤵
PID:3568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4808 -ip 4808
1⤵
PID:544

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

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\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
6a15e3564b9eb382fe5534f59d6fccb4

SHA1
911dbc1a988c2d6816beb0c21c4ea5402253b884

SHA256
6b478c66c9a2024177d4a478ccea9a82f3162aa87a5125a0dc3750c920bdbc62

SHA512
2801f46d495eed08dbb10e73ccda4828faf4ef6b1ff3ff45ce8d73331e692381c25417d15c958f8c3f9c6932300cd0e66b1aad6bb5a92e2bf27b338b6d245711

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
434B

MD5
3e4f1eec7848a9cd52b46790225a5d5c

SHA1
b3094183e10c67c444a244ffee84c703dff179c0

SHA256
950a6c232b6457d0b8e259fed2fa80cb1e1eafe72ccdbd241aa9090fe58aebe0

SHA512
722af218a733b78b166220d71f48388c7ca2f80c293a0622259904e743878184606ad04ad05a2c6c8503f5a8bb2fd7a18b9b9d7863ae042180e6dbdeaac67b69

Download Submit
C:\Users\Admin\AppData\Local\Temp\SLw9R23

Filesize
94KB

MD5
9b0f876cef335a2489822b49588ed462

SHA1
be7036761b0a1fbcb7d5aeb7f10e39368d871029

SHA256
3acfc174c67d0121ce5335888a7b559d44c94849e7f429c0509c487b5b533669

SHA512
bbf042c2190c2bab6227b84258fcf0ce8435960c2c47a9430a2fe27eccea84f9dc9e0c5487052f9b90f5459a323be2546df98e940e22c96dcc445ed4829b215b

Download Submit
C:\Users\Admin\AppData\Local\Temp\SLw9R23

Filesize
94KB

MD5
9b0f876cef335a2489822b49588ed462

SHA1
be7036761b0a1fbcb7d5aeb7f10e39368d871029

SHA256
3acfc174c67d0121ce5335888a7b559d44c94849e7f429c0509c487b5b533669

SHA512
bbf042c2190c2bab6227b84258fcf0ce8435960c2c47a9430a2fe27eccea84f9dc9e0c5487052f9b90f5459a323be2546df98e940e22c96dcc445ed4829b215b

Download Submit
C:\Users\Admin\AppData\Local\Temp\ypegkdsskouwbirp.exe

Filesize
94KB

MD5
9b0f876cef335a2489822b49588ed462

SHA1
be7036761b0a1fbcb7d5aeb7f10e39368d871029

SHA256
3acfc174c67d0121ce5335888a7b559d44c94849e7f429c0509c487b5b533669

SHA512
bbf042c2190c2bab6227b84258fcf0ce8435960c2c47a9430a2fe27eccea84f9dc9e0c5487052f9b90f5459a323be2546df98e940e22c96dcc445ed4829b215b

Download Submit
C:\Users\Admin\AppData\Local\Temp\ypegkdsskouwbirp.exe

Filesize
94KB

MD5
9b0f876cef335a2489822b49588ed462

SHA1
be7036761b0a1fbcb7d5aeb7f10e39368d871029

SHA256
3acfc174c67d0121ce5335888a7b559d44c94849e7f429c0509c487b5b533669

SHA512
bbf042c2190c2bab6227b84258fcf0ce8435960c2c47a9430a2fe27eccea84f9dc9e0c5487052f9b90f5459a323be2546df98e940e22c96dcc445ed4829b215b

Download Submit
memory/2140-146-0x0000000000400000-0x0000000000439BE4-memory.dmp

Filesize
230KB

Download
memory/2140-138-0x0000000000400000-0x0000000000439BE4-memory.dmp

Filesize
230KB

Download
memory/3020-147-0x0000000000400000-0x0000000000439BE4-memory.dmp

Filesize
230KB

Download
memory/3020-148-0x0000000000400000-0x0000000000439BE4-memory.dmp

Filesize
230KB

Download
memory/5016-134-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download