3fb935f3b274dddf25a926967ceb573ad0f990bff966583157849545c60c42e4

General

Target

3fb935f3b274dddf25a926967ceb573ad0f990bff966583157849545c60c42e4.exe
Size

631KB
MD5

7206084219e20fe7575aec63a3422a5c
SHA1

930508090c6ec226838189c1d6ca32035c2ac0ed
SHA256

3fb935f3b274dddf25a926967ceb573ad0f990bff966583157849545c60c42e4
SHA512

dc7d9d8788531b9b127d905d04d1a6731bc2ae499f96dac485cb995f82a57490af77bf500c60f169d82eea6e3fe8b1fa0a8f18a54cdd7efdc84757475bb7ba51
SSDEEP

6144:5z27B8gj9StARXpmTvIcw3/hxXYCckBWxTYDMnz5aO3xIiwETMAKo/x4Fl+c0XMF:hIXSQpmkBWxjniiwETmFmY

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
3816	3fb935f3b274dddf25a926967ceb573ad0f990bff966583157849545c60c42e4.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
3904	3fb935f3b274dddf25a926967ceb573ad0f990bff966583157849545c60c42e4.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3816	3fb935f3b274dddf25a926967ceb573ad0f990bff966583157849545c60c42e4.exe
3904	3fb935f3b274dddf25a926967ceb573ad0f990bff966583157849545c60c42e4.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3816 set thread context of 3904	3816	3fb935f3b274dddf25a926967ceb573ad0f990bff966583157849545c60c42e4.exe	98

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\0409\magistratsregeringen.pho	3fb935f3b274dddf25a926967ceb573ad0f990bff966583157849545c60c42e4.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3712	3904	WerFault.exe	98

Modifies system certificate store 2 TTPs 2 IoCs

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	3fb935f3b274dddf25a926967ceb573ad0f990bff966583157849545c60c42e4.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 5c0000000100000004000000000800000f00000001000000140000003e8e6487f8fd27d322a269a71edaac5d57811286090000000100000054000000305206082b0601050507030206082b06010505070303060a2b0601040182370a030406082b0601050507030406082b0601050507030606082b0601050507030706082b0601050507030106082b0601050507030853000000010000004300000030413022060c2b06010401b231010201050130123010060a2b0601040182373c0101030200c0301b060567810c010330123010060a2b0601040182373c0101030200c0620000000100000020000000d7a7a0fb5d7e2731d771e9484ebcdef71d5f0c3e0a2948782bc83ee0ea699ef40b000000010000001c0000005300650063007400690067006f002000280041004100410029000000140000000100000014000000a0110a233e96f107ece2af29ef82a57fd030a4b41d00000001000000100000002e0d6875874a44c820912e85e964cfdb030000000100000014000000d1eb23a46d17d68fd92564c2f1f1601764d8e3491900000001000000100000002aa1c05e2ae606f198c2c5e937c97aa2200000000100000036040000308204323082031aa003020102020101300d06092a864886f70d0101050500307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c18414141204365727469666963617465205365727669636573301e170d3034303130313030303030305a170d3238313233313233353935395a307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c1841414120436572746966696361746520536572766963657330820122300d06092a864886f70d01010105000382010f003082010a0282010100be409df46ee1ea76871c4d45448ebe46c883069dc12afe181f8ee402faf3ab5d508a16310b9a06d0c57022cd492d5463ccb66e68460b53eacb4c24c0bc724eeaf115aef4549a120ac37ab23360e2da8955f32258f3dedccfef8386a28c944f9f68f29890468427c776bfe3cc352c8b5e07646582c048b0a891f9619f762050a891c766b5eb78620356f08a1a13ea31a31ea099fd38f6f62732586f07f56bb8fb142bafb7aaccd6635f738cda0599a838a8cb17783651ace99ef4783a8dcf0fd942e2980cab2f9f0e01deef9f9949f12ddfac744d1b98b547c5e529d1f99018c7629cbe83c7267b3e8a25c7c0dd9de6356810209d8fd8ded2c3849c0d5ee82fc90203010001a381c03081bd301d0603551d0e04160414a0110a233e96f107ece2af29ef82a57fd030a4b4300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff307b0603551d1f047430723038a036a0348632687474703a2f2f63726c2e636f6d6f646f63612e636f6d2f414141436572746966696361746553657276696365732e63726c3036a034a0328630687474703a2f2f63726c2e636f6d6f646f2e6e65742f414141436572746966696361746553657276696365732e63726c300d06092a864886f70d010105050003820101000856fc02f09be8ffa4fad67bc64480ce4fc4c5f60058cca6b6bc1449680476e8e6ee5dec020f60d68d50184f264e01e3e6b0a5eebfbc745441bffdfc12b8c74f5af48960057f60b7054af3f6f1c2bfc4b97486b62d7d6bccd2f346dd2fc6e06ac3c334032c7d96dd5ac20ea70a99c1058bab0c2ff35c3acf6c37550987de53406c58effcb6ab656e04f61bdc3ce05a15c69ed9f15948302165036cece92173ec9b03a1e037ada015188ffaba02cea72ca910132cd4e50826ab229760f8905e74d4a29a53bdf2a968e0a26ec2d76cb1a30f9ebfeb68e756f2aef2e32b383a0981b56b85d7be2ded3f1ab7b263e2f5622c82d46a004150f139839f95e93696986e	3fb935f3b274dddf25a926967ceb573ad0f990bff966583157849545c60c42e4.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3904	3fb935f3b274dddf25a926967ceb573ad0f990bff966583157849545c60c42e4.exe
3904	3fb935f3b274dddf25a926967ceb573ad0f990bff966583157849545c60c42e4.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3816	3fb935f3b274dddf25a926967ceb573ad0f990bff966583157849545c60c42e4.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3816 wrote to memory of 3904	3816	3fb935f3b274dddf25a926967ceb573ad0f990bff966583157849545c60c42e4.exe	98
PID 3816 wrote to memory of 3904	3816	3fb935f3b274dddf25a926967ceb573ad0f990bff966583157849545c60c42e4.exe	98
PID 3816 wrote to memory of 3904	3816	3fb935f3b274dddf25a926967ceb573ad0f990bff966583157849545c60c42e4.exe	98
PID 3816 wrote to memory of 3904	3816	3fb935f3b274dddf25a926967ceb573ad0f990bff966583157849545c60c42e4.exe	98
PID 3816 wrote to memory of 3904	3816	3fb935f3b274dddf25a926967ceb573ad0f990bff966583157849545c60c42e4.exe	98

C:\Users\Admin\AppData\Local\Temp\3fb935f3b274dddf25a926967ceb573ad0f990bff966583157849545c60c42e4.exe
"C:\Users\Admin\AppData\Local\Temp\3fb935f3b274dddf25a926967ceb573ad0f990bff966583157849545c60c42e4.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3816
- C:\Users\Admin\AppData\Local\Temp\3fb935f3b274dddf25a926967ceb573ad0f990bff966583157849545c60c42e4.exe
  "C:\Users\Admin\AppData\Local\Temp\3fb935f3b274dddf25a926967ceb573ad0f990bff966583157849545c60c42e4.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  PID:3904
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 1548
    3⤵
    - Program crash
    PID:3712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3904 -ip 3904
1⤵
PID:2852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nsx32F8.tmp\System.dll

Filesize
11KB

MD5
375e8a08471dc6f85f3828488b1147b3

SHA1
1941484ac710fc301a7d31d6f1345e32a21546af

SHA256
4c86b238e64ecfaabe322a70fd78db229a663ccc209920f3385596a6e3205f78

SHA512
5ba29db13723ddf27b265a4548606274b850d076ae1f050c64044f8ccd020585ad766c85c3e20003a22f356875f76fb3679c89547b0962580d8e5a42b082b9a8

Download Submit
memory/3816-9-0x00000000773B1000-0x00000000774D1000-memory.dmp

Filesize
1.1MB

Download
memory/3816-10-0x0000000010000000-0x0000000010006000-memory.dmp

Filesize
24KB

Download
memory/3904-11-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3904-12-0x0000000077438000-0x0000000077439000-memory.dmp

Filesize
4KB

Download
memory/3904-13-0x0000000077455000-0x0000000077456000-memory.dmp

Filesize
4KB

Download
memory/3904-14-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3904-26-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3904-27-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3904-28-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3904-29-0x00000000773B1000-0x00000000774D1000-memory.dmp

Filesize
1.1MB

Download
memory/3904-30-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3904-31-0x0000000036B10000-0x0000000036E5A000-memory.dmp

Filesize
3.3MB

Download
memory/3904-32-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download

Analysis

Sharing