2f3772ae0a61ae1f913ba2e34f97dd86e7c2e619bc839171f8ff67cb06fbb209

General

Target

Order_00009.xlsx
Size

1.4MB
MD5

f99314a2a08dbbc7ddff20a83f1a5f32
SHA1

1914f9f5eedef3300ced36713b4bea07597679c4
SHA256

2f3772ae0a61ae1f913ba2e34f97dd86e7c2e619bc839171f8ff67cb06fbb209
SHA512

909da3c17d063e12f01f5fc8cbe3bf0e57f6a595c686952e4942d5a337ea373f464a95a053ccbdf9b3fd0fef69b6ba2f95153fe3ccb6c6cc2c1f9ca6e021b355

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

6 2000 EQNEDT32.EXE
Executes dropped EXE 1 IoCs

Processes:

vbc.exe

pid process

1904 vbc.exe
Loads dropped DLL 5 IoCs

Processes:

EQNEDT32.EXE

pid process

2000 EQNEDT32.EXE
2000 EQNEDT32.EXE
2000 EQNEDT32.EXE
2000 EQNEDT32.EXE
2000 EQNEDT32.EXE
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
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
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

2000 EQNEDT32.EXE

flow	pid	process
6	2000	EQNEDT32.EXE

pid	process
1904	vbc.exe

pid	process
2000	EQNEDT32.EXE
2000	EQNEDT32.EXE
2000	EQNEDT32.EXE
2000	EQNEDT32.EXE
2000	EQNEDT32.EXE

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

pid	process
2000	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1828 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1828 EXCEL.EXE
1828 EXCEL.EXE
1828 EXCEL.EXE

pid	process
1828	EXCEL.EXE

pid	process
1828	EXCEL.EXE
1828	EXCEL.EXE
1828	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EQNEDT32.EXE

description	pid	process	target process
PID 2000 wrote to memory of 1904	2000	EQNEDT32.EXE	vbc.exe
PID 2000 wrote to memory of 1904	2000	EQNEDT32.EXE	vbc.exe
PID 2000 wrote to memory of 1904	2000	EQNEDT32.EXE	vbc.exe
PID 2000 wrote to memory of 1904	2000	EQNEDT32.EXE	vbc.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\Order_00009.xlsx
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1828

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:2000

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
PID:1904

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Exploitation for Client Execution

1

T1203

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Public\vbc.exe
MD5
13979a9662c0f22bcfa8c44671e2d0c2

SHA1
b1ba0c4b918551a1cb046c5e614561d6b0d6e636

SHA256
70c743e95191e4e94663db91223298ebc12e871c3d77f51dc3443d592a879468

SHA512
cb355815ee5e7b2dec48ed548ce88ed25b7349086f0b33fe1dc74dee9d319155d24075c0121d130ad55003a514e8d520b7f5894d622da00e941db4282e29ba48

Download Submit
C:\Users\Public\vbc.exe
MD5
13979a9662c0f22bcfa8c44671e2d0c2

SHA1
b1ba0c4b918551a1cb046c5e614561d6b0d6e636

SHA256
70c743e95191e4e94663db91223298ebc12e871c3d77f51dc3443d592a879468

SHA512
cb355815ee5e7b2dec48ed548ce88ed25b7349086f0b33fe1dc74dee9d319155d24075c0121d130ad55003a514e8d520b7f5894d622da00e941db4282e29ba48

Download Submit
\Users\Public\vbc.exe
MD5
13979a9662c0f22bcfa8c44671e2d0c2

SHA1
b1ba0c4b918551a1cb046c5e614561d6b0d6e636

SHA256
70c743e95191e4e94663db91223298ebc12e871c3d77f51dc3443d592a879468

SHA512
cb355815ee5e7b2dec48ed548ce88ed25b7349086f0b33fe1dc74dee9d319155d24075c0121d130ad55003a514e8d520b7f5894d622da00e941db4282e29ba48

Download Submit
\Users\Public\vbc.exe
MD5
13979a9662c0f22bcfa8c44671e2d0c2

SHA1
b1ba0c4b918551a1cb046c5e614561d6b0d6e636

SHA256
70c743e95191e4e94663db91223298ebc12e871c3d77f51dc3443d592a879468

SHA512
cb355815ee5e7b2dec48ed548ce88ed25b7349086f0b33fe1dc74dee9d319155d24075c0121d130ad55003a514e8d520b7f5894d622da00e941db4282e29ba48

Download Submit
\Users\Public\vbc.exe
MD5
13979a9662c0f22bcfa8c44671e2d0c2

SHA1
b1ba0c4b918551a1cb046c5e614561d6b0d6e636

SHA256
70c743e95191e4e94663db91223298ebc12e871c3d77f51dc3443d592a879468

SHA512
cb355815ee5e7b2dec48ed548ce88ed25b7349086f0b33fe1dc74dee9d319155d24075c0121d130ad55003a514e8d520b7f5894d622da00e941db4282e29ba48

Download Submit
\Users\Public\vbc.exe
MD5
13979a9662c0f22bcfa8c44671e2d0c2

SHA1
b1ba0c4b918551a1cb046c5e614561d6b0d6e636

SHA256
70c743e95191e4e94663db91223298ebc12e871c3d77f51dc3443d592a879468

SHA512
cb355815ee5e7b2dec48ed548ce88ed25b7349086f0b33fe1dc74dee9d319155d24075c0121d130ad55003a514e8d520b7f5894d622da00e941db4282e29ba48

Download Submit
\Users\Public\vbc.exe
MD5
13979a9662c0f22bcfa8c44671e2d0c2

SHA1
b1ba0c4b918551a1cb046c5e614561d6b0d6e636

SHA256
70c743e95191e4e94663db91223298ebc12e871c3d77f51dc3443d592a879468

SHA512
cb355815ee5e7b2dec48ed548ce88ed25b7349086f0b33fe1dc74dee9d319155d24075c0121d130ad55003a514e8d520b7f5894d622da00e941db4282e29ba48

Download Submit
memory/288-2-0x000007FEF7F80000-0x000007FEF81FA000-memory.dmp

Filesize
2.5MB

Download
memory/1904-8-0x0000000000000000-mapping.dmp

Download

Analysis

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