dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911

General

Target

dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe
Size

228KB
MD5

643826b5b9cb0926063e65c74de37c49
SHA1

72d221739090d6eb7c37974e3ed5ce3249f02d6e
SHA256

dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911
SHA512

9fc6679f1db528aac2d9cbac565ff1fe857253fb348c64583a1bced5f68c519b162e0001bb0736954db53e0c9f0394b7f9d413d9fa60041246bbf92787a69f80
SSDEEP

6144:86D4YEhZJTRwYpQg1h9zQDnYKqXLxdIXHec2:84AzPzQDnwLo+c2

Score

7^/10

persistence

Malware Config

Signatures

Drops startup file 1 IoCs

Processes:

explorer.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1cb07beb.exe explorer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1cb07beb.exe	explorer.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*cb07be = "C:\\1cb07beb\\1cb07beb.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1cb07beb = "C:\\Users\\Admin\\AppData\\Roaming\\1cb07beb.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*cb07beb = "C:\\Users\\Admin\\AppData\\Roaming\\1cb07beb.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1cb07be = "C:\\1cb07beb\\1cb07beb.exe"	explorer.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

27 ip-addr.es
35 myexternalip.com
37 myexternalip.com

flow	ioc
27	ip-addr.es
35	myexternalip.com
37	myexternalip.com

Suspicious use of SetThreadContext 1 IoCs

Processes:

dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe

description	pid	process	target process
PID 5084 set thread context of 428	5084	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe

pid	process
5084	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe
5084	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exeexplorer.exe

pid process

428 dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe
1340 explorer.exe

pid	process
428	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe
1340	explorer.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe

pid	process
5084	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe
5084	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exedbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exeexplorer.exe

C:\Users\Admin\AppData\Local\Temp\dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe
"C:\Users\Admin\AppData\Local\Temp\dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5084

C:\Users\Admin\AppData\Local\Temp\dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe
"C:\Users\Admin\AppData\Local\Temp\dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe"
2⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:428

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\syswow64\explorer.exe"
3⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1340

C:\Windows\SysWOW64\svchost.exe
-k netsvcs
4⤵
PID:4248

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/428-132-0x0000000000000000-mapping.dmp

Download
memory/428-133-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/428-135-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1340-136-0x0000000000000000-mapping.dmp

Download
memory/1340-137-0x0000000000E00000-0x0000000000E25000-memory.dmp

Filesize
148KB

Download
memory/4248-138-0x0000000000000000-mapping.dmp

Download
memory/4248-139-0x0000000000D00000-0x0000000000D25000-memory.dmp

Filesize
148KB

Download
memory/5084-134-0x0000000003950000-0x0000000003954000-memory.dmp

Filesize
16KB

Download

description	pid	process	target process
PID 5084 wrote to memory of 428	5084	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe
PID 5084 wrote to memory of 428	5084	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe
PID 5084 wrote to memory of 428	5084	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe
PID 5084 wrote to memory of 428	5084	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe
PID 5084 wrote to memory of 428	5084	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe
PID 5084 wrote to memory of 428	5084	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe
PID 5084 wrote to memory of 428	5084	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe
PID 5084 wrote to memory of 428	5084	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe
PID 5084 wrote to memory of 428	5084	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe
PID 5084 wrote to memory of 428	5084	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe
PID 428 wrote to memory of 1340	428	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe	explorer.exe
PID 428 wrote to memory of 1340	428	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe	explorer.exe
PID 428 wrote to memory of 1340	428	dbc5ffc9c3cffbc65ab30d684dd6e025f95e89b2fb0f71c2f82f9fe534a0a911.exe	explorer.exe
PID 1340 wrote to memory of 4248	1340	explorer.exe	svchost.exe
PID 1340 wrote to memory of 4248	1340	explorer.exe	svchost.exe
PID 1340 wrote to memory of 4248	1340	explorer.exe	svchost.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads