snakekeylogger | e6208325c155b89a626654ffbf06de21ef809ba583c9742952f006326fce8493

Analysis

max time kernel
101s
max time network
137s
platform
windows7_x64
resource
win7v20210408
submitted
27-07-2021 14:38

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General

Target

DOC_scan10002.doc
Size

62KB
MD5

a79887f6a16088002da8171f306e1c35
SHA1

61f8ebea354416303d5904f625255c8381852a2e
SHA256

e6208325c155b89a626654ffbf06de21ef809ba583c9742952f006326fce8493
SHA512

8fd416b2d297715dc07bee2e1c517c7f19445da4fd3a2ed5ef3500d79d5e39b74d7d5b82009c61c1e144fef797d9e94dce30c9460958a08ef3afd8e9e4493c15

Score

10^/10

snakekeylogger keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.bundabergtrophies.com.au
Port:
587
Username:
admin@bundabergtrophies.com.au
Password:
nKlnBbMZLI

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

Processes:

resource	yara_rule
behavioral1/memory/428-72-0x0000000000350000-0x000000000035B000-memory.dmp	CustAttr

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

6 1196 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

temple25963.exetemple25963.exe

pid process

428 temple25963.exe
1072 temple25963.exe
Loads dropped DLL 6 IoCs

Processes:

EQNEDT32.EXEWerFault.exe

pid process

1196 EQNEDT32.EXE
1664 WerFault.exe
1664 WerFault.exe
1664 WerFault.exe
1664 WerFault.exe
1664 WerFault.exe
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

7 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

temple25963.exe

description pid process target process

PID 428 set thread context of 1072 428 temple25963.exe temple25963.exe
Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1664 1072 WerFault.exe temple25963.exe
Office loads VBA resources, possible macro or embedded object present
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

1196 EQNEDT32.EXE

flow	pid	process
6	1196	EQNEDT32.EXE

pid	process
428	temple25963.exe
1072	temple25963.exe

pid	process
1196	EQNEDT32.EXE
1664	WerFault.exe
1664	WerFault.exe
1664	WerFault.exe
1664	WerFault.exe
1664	WerFault.exe

flow	ioc
7	checkip.dyndns.org

description	pid	process	target process
PID 428 set thread context of 1072	428	temple25963.exe	temple25963.exe

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

pid	pid_target	process	target process
1664	1072	WerFault.exe	temple25963.exe

pid	process
1196	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

280 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

temple25963.exeWerFault.exe

pid process

1072 temple25963.exe
1664 WerFault.exe
1664 WerFault.exe
1664 WerFault.exe
1664 WerFault.exe
1664 WerFault.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

temple25963.exeWerFault.exe

description pid process

Token: SeDebugPrivilege 1072 temple25963.exe
Token: SeDebugPrivilege 1664 WerFault.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

280 WINWORD.EXE
280 WINWORD.EXE

pid	process
280	WINWORD.EXE

pid	process
1072	temple25963.exe
1664	WerFault.exe
1664	WerFault.exe
1664	WerFault.exe
1664	WerFault.exe
1664	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1072	temple25963.exe
Token: SeDebugPrivilege	1664	WerFault.exe

pid	process
280	WINWORD.EXE
280	WINWORD.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEtemple25963.exetemple25963.exe

description	pid	process	target process
PID 1196 wrote to memory of 428	1196	EQNEDT32.EXE	temple25963.exe
PID 1196 wrote to memory of 428	1196	EQNEDT32.EXE	temple25963.exe
PID 1196 wrote to memory of 428	1196	EQNEDT32.EXE	temple25963.exe
PID 1196 wrote to memory of 428	1196	EQNEDT32.EXE	temple25963.exe
PID 280 wrote to memory of 1680	280	WINWORD.EXE	splwow64.exe
PID 280 wrote to memory of 1680	280	WINWORD.EXE	splwow64.exe
PID 280 wrote to memory of 1680	280	WINWORD.EXE	splwow64.exe
PID 280 wrote to memory of 1680	280	WINWORD.EXE	splwow64.exe
PID 428 wrote to memory of 1072	428	temple25963.exe	temple25963.exe
PID 428 wrote to memory of 1072	428	temple25963.exe	temple25963.exe
PID 428 wrote to memory of 1072	428	temple25963.exe	temple25963.exe
PID 428 wrote to memory of 1072	428	temple25963.exe	temple25963.exe
PID 428 wrote to memory of 1072	428	temple25963.exe	temple25963.exe
PID 428 wrote to memory of 1072	428	temple25963.exe	temple25963.exe
PID 428 wrote to memory of 1072	428	temple25963.exe	temple25963.exe
PID 428 wrote to memory of 1072	428	temple25963.exe	temple25963.exe
PID 428 wrote to memory of 1072	428	temple25963.exe	temple25963.exe
PID 1072 wrote to memory of 1664	1072	temple25963.exe	WerFault.exe
PID 1072 wrote to memory of 1664	1072	temple25963.exe	WerFault.exe
PID 1072 wrote to memory of 1664	1072	temple25963.exe	WerFault.exe
PID 1072 wrote to memory of 1664	1072	temple25963.exe	WerFault.exe

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\DOC_scan10002.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:280

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1680

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:1196

C:\Users\Admin\AppData\Roaming\temple25963.exe
"C:\Users\Admin\AppData\Roaming\temple25963.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:428

C:\Users\Admin\AppData\Roaming\temple25963.exe
"C:\Users\Admin\AppData\Roaming\temple25963.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1072 -s 1000
4⤵
- Loads dropped DLL
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1664

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Exploitation for Client Execution

T1203

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\temple25963.exe
MD5
2b1679e8ba0a15c211922ced9909c89e

SHA1
e1ea8f4ecd4b01f87275d3bd13c101facfbe9408

SHA256
70351038cf49fc5bf127e4f7df1c563ec036293cbc00010ade2364e0ee311a27

SHA512
924c86ab4eacb6db3a3327ba493e1fecd21c513335decd114b6e028ae2f29ad2be5549d6857afbd56203ffd05b0582682f41aeb6f3ed2a5254badbac663d5da9

Download Submit
C:\Users\Admin\AppData\Roaming\temple25963.exe
MD5
2b1679e8ba0a15c211922ced9909c89e

SHA1
e1ea8f4ecd4b01f87275d3bd13c101facfbe9408

SHA256
70351038cf49fc5bf127e4f7df1c563ec036293cbc00010ade2364e0ee311a27

SHA512
924c86ab4eacb6db3a3327ba493e1fecd21c513335decd114b6e028ae2f29ad2be5549d6857afbd56203ffd05b0582682f41aeb6f3ed2a5254badbac663d5da9

Download Submit
C:\Users\Admin\AppData\Roaming\temple25963.exe
MD5
2b1679e8ba0a15c211922ced9909c89e

SHA1
e1ea8f4ecd4b01f87275d3bd13c101facfbe9408

SHA256
70351038cf49fc5bf127e4f7df1c563ec036293cbc00010ade2364e0ee311a27

SHA512
924c86ab4eacb6db3a3327ba493e1fecd21c513335decd114b6e028ae2f29ad2be5549d6857afbd56203ffd05b0582682f41aeb6f3ed2a5254badbac663d5da9

Download Submit
\Users\Admin\AppData\Roaming\temple25963.exe
MD5
2b1679e8ba0a15c211922ced9909c89e

SHA1
e1ea8f4ecd4b01f87275d3bd13c101facfbe9408

SHA256
70351038cf49fc5bf127e4f7df1c563ec036293cbc00010ade2364e0ee311a27

SHA512
924c86ab4eacb6db3a3327ba493e1fecd21c513335decd114b6e028ae2f29ad2be5549d6857afbd56203ffd05b0582682f41aeb6f3ed2a5254badbac663d5da9

Download Submit
\Users\Admin\AppData\Roaming\temple25963.exe
MD5
2b1679e8ba0a15c211922ced9909c89e

SHA1
e1ea8f4ecd4b01f87275d3bd13c101facfbe9408

SHA256
70351038cf49fc5bf127e4f7df1c563ec036293cbc00010ade2364e0ee311a27

SHA512
924c86ab4eacb6db3a3327ba493e1fecd21c513335decd114b6e028ae2f29ad2be5549d6857afbd56203ffd05b0582682f41aeb6f3ed2a5254badbac663d5da9

Download Submit
\Users\Admin\AppData\Roaming\temple25963.exe
MD5
2b1679e8ba0a15c211922ced9909c89e

SHA1
e1ea8f4ecd4b01f87275d3bd13c101facfbe9408

SHA256
70351038cf49fc5bf127e4f7df1c563ec036293cbc00010ade2364e0ee311a27

SHA512
924c86ab4eacb6db3a3327ba493e1fecd21c513335decd114b6e028ae2f29ad2be5549d6857afbd56203ffd05b0582682f41aeb6f3ed2a5254badbac663d5da9

Download Submit
\Users\Admin\AppData\Roaming\temple25963.exe
MD5
2b1679e8ba0a15c211922ced9909c89e

SHA1
e1ea8f4ecd4b01f87275d3bd13c101facfbe9408

SHA256
70351038cf49fc5bf127e4f7df1c563ec036293cbc00010ade2364e0ee311a27

SHA512
924c86ab4eacb6db3a3327ba493e1fecd21c513335decd114b6e028ae2f29ad2be5549d6857afbd56203ffd05b0582682f41aeb6f3ed2a5254badbac663d5da9

Download Submit
\Users\Admin\AppData\Roaming\temple25963.exe
MD5
2b1679e8ba0a15c211922ced9909c89e

SHA1
e1ea8f4ecd4b01f87275d3bd13c101facfbe9408

SHA256
70351038cf49fc5bf127e4f7df1c563ec036293cbc00010ade2364e0ee311a27

SHA512
924c86ab4eacb6db3a3327ba493e1fecd21c513335decd114b6e028ae2f29ad2be5549d6857afbd56203ffd05b0582682f41aeb6f3ed2a5254badbac663d5da9

Download Submit
\Users\Admin\AppData\Roaming\temple25963.exe
MD5
2b1679e8ba0a15c211922ced9909c89e

SHA1
e1ea8f4ecd4b01f87275d3bd13c101facfbe9408

SHA256
70351038cf49fc5bf127e4f7df1c563ec036293cbc00010ade2364e0ee311a27

SHA512
924c86ab4eacb6db3a3327ba493e1fecd21c513335decd114b6e028ae2f29ad2be5549d6857afbd56203ffd05b0582682f41aeb6f3ed2a5254badbac663d5da9

Download Submit
memory/280-60-0x0000000072071000-0x0000000072074000-memory.dmp

Filesize
12KB

Download
memory/280-90-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/280-61-0x000000006FAF1000-0x000000006FAF3000-memory.dmp

Filesize
8KB

Download
memory/280-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/280-63-0x0000000075041000-0x0000000075043000-memory.dmp

Filesize
8KB

Download
memory/428-75-0x0000000005080000-0x00000000050E6000-memory.dmp

Filesize
408KB

Download
memory/428-76-0x0000000000840000-0x0000000000866000-memory.dmp

Filesize
152KB

Download
memory/428-71-0x00000000048E0000-0x00000000048E1000-memory.dmp

Filesize
4KB

Download
memory/428-66-0x0000000000000000-mapping.dmp

Download
memory/428-72-0x0000000000350000-0x000000000035B000-memory.dmp

Filesize
44KB

Download
memory/428-69-0x0000000000890000-0x0000000000891000-memory.dmp

Filesize
4KB

Download
memory/1072-80-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1072-82-0x0000000004A10000-0x0000000004A11000-memory.dmp

Filesize
4KB

Download
memory/1072-78-0x000000000041F89E-mapping.dmp

Download
memory/1072-77-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1664-83-0x0000000000000000-mapping.dmp

Download
memory/1664-89-0x00000000004C0000-0x00000000004C1000-memory.dmp

Filesize
4KB

Download
memory/1680-74-0x000007FEFB561000-0x000007FEFB563000-memory.dmp

Filesize
8KB

Download
memory/1680-73-0x0000000000000000-mapping.dmp

Download