emotet | 158c8771c1d3130d43498978e80dacbd47c9337fc98b9f5a408439314f4cee6d

General

Target

1049496ee9b11af0314d9d3d66a3e923_JaffaCakes118.exe
Size

104KB
MD5

1049496ee9b11af0314d9d3d66a3e923
SHA1

523e9665a9416852c4a5471c9e0673acce0c8c94
SHA256

158c8771c1d3130d43498978e80dacbd47c9337fc98b9f5a408439314f4cee6d
SHA512

32d41608e13a7e7fb701a834f1e1a7220bfa3fa3827cb6a0e9bdbaf00a0ffd83e94a5d9615b407fea8096f1d310e986bac0514ea5e2712c395673ec68c9dc7d7
SSDEEP

1536:39XM2K4Y3kK5MNq5cktsVPkRcT5nEYJyuXtg/I/rSLfrsSKPHRPmKJjrz3nYxh:398xkK5h5xwPDTZrJ/rqzsFjrz3nYxh

Score

10^/10

emotet banker trojan

Malware Config

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet

Drops file in System32 directory 1 IoCs

Processes:

pnfstarta.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	pnfstarta.exe

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

System Information Discovery
T1082

Modifies data under HKEY_USERS 21 IoCs

Processes:

pnfstarta.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F8B593D4-AC9C-4869-B34E-CD72B9B36F58}\WpadNetworkName = "Network 3"	pnfstarta.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	pnfstarta.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	pnfstarta.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	pnfstarta.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F8B593D4-AC9C-4869-B34E-CD72B9B36F58}\WpadDecisionReason = "1"	pnfstarta.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	pnfstarta.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	pnfstarta.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\aa-1f-df-43-f7-d9\WpadDecision = "0"	pnfstarta.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F8B593D4-AC9C-4869-B34E-CD72B9B36F58}\WpadDecisionTime = 707013ae69c7da01	pnfstarta.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F8B593D4-AC9C-4869-B34E-CD72B9B36F58}\WpadDecision = "0"	pnfstarta.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\aa-1f-df-43-f7-d9	pnfstarta.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F8B593D4-AC9C-4869-B34E-CD72B9B36F58}\aa-1f-df-43-f7-d9	pnfstarta.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	pnfstarta.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	pnfstarta.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0049000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	pnfstarta.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F8B593D4-AC9C-4869-B34E-CD72B9B36F58}	pnfstarta.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\aa-1f-df-43-f7-d9\WpadDecisionReason = "1"	pnfstarta.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\aa-1f-df-43-f7-d9\WpadDecisionTime = 707013ae69c7da01	pnfstarta.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	pnfstarta.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	pnfstarta.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	pnfstarta.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

pnfstarta.exe

pid process

1716 pnfstarta.exe
1716 pnfstarta.exe
1716 pnfstarta.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

1049496ee9b11af0314d9d3d66a3e923_JaffaCakes118.exe

pid process

2368 1049496ee9b11af0314d9d3d66a3e923_JaffaCakes118.exe

pid	process
1716	pnfstarta.exe
1716	pnfstarta.exe
1716	pnfstarta.exe

pid	process
2368	1049496ee9b11af0314d9d3d66a3e923_JaffaCakes118.exe

Suspicious use of UnmapMainImage 4 IoCs

Processes:

1049496ee9b11af0314d9d3d66a3e923_JaffaCakes118.exe1049496ee9b11af0314d9d3d66a3e923_JaffaCakes118.exepnfstarta.exepnfstarta.exe

pid	process
2356	1049496ee9b11af0314d9d3d66a3e923_JaffaCakes118.exe
2368	1049496ee9b11af0314d9d3d66a3e923_JaffaCakes118.exe
2416	pnfstarta.exe
1716	pnfstarta.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1049496ee9b11af0314d9d3d66a3e923_JaffaCakes118.exepnfstarta.exe

description	pid	process	target process
PID 2356 wrote to memory of 2368	2356	1049496ee9b11af0314d9d3d66a3e923_JaffaCakes118.exe	1049496ee9b11af0314d9d3d66a3e923_JaffaCakes118.exe
PID 2356 wrote to memory of 2368	2356	1049496ee9b11af0314d9d3d66a3e923_JaffaCakes118.exe	1049496ee9b11af0314d9d3d66a3e923_JaffaCakes118.exe
PID 2356 wrote to memory of 2368	2356	1049496ee9b11af0314d9d3d66a3e923_JaffaCakes118.exe	1049496ee9b11af0314d9d3d66a3e923_JaffaCakes118.exe
PID 2356 wrote to memory of 2368	2356	1049496ee9b11af0314d9d3d66a3e923_JaffaCakes118.exe	1049496ee9b11af0314d9d3d66a3e923_JaffaCakes118.exe
PID 2416 wrote to memory of 1716	2416	pnfstarta.exe	pnfstarta.exe
PID 2416 wrote to memory of 1716	2416	pnfstarta.exe	pnfstarta.exe
PID 2416 wrote to memory of 1716	2416	pnfstarta.exe	pnfstarta.exe
PID 2416 wrote to memory of 1716	2416	pnfstarta.exe	pnfstarta.exe

C:\Users\Admin\AppData\Local\Temp\1049496ee9b11af0314d9d3d66a3e923_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1049496ee9b11af0314d9d3d66a3e923_JaffaCakes118.exe"
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2356

C:\Users\Admin\AppData\Local\Temp\1049496ee9b11af0314d9d3d66a3e923_JaffaCakes118.exe
--c9639c92
2⤵
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
PID:2368

C:\Windows\SysWOW64\pnfstarta.exe
"C:\Windows\SysWOW64\pnfstarta.exe"
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2416

C:\Windows\SysWOW64\pnfstarta.exe
--ed853f1d
2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:1716

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/1716-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1716-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1716-11-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1716-12-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2356-0-0x0000000000220000-0x0000000000231000-memory.dmp

Filesize
68KB

Download
memory/2356-3-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2356-2-0x0000000000220000-0x0000000000231000-memory.dmp

Filesize
68KB

Download
memory/2368-4-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2368-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2416-5-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads