e277cfeb552a2e1543c4d419e6e52b4dc4678580199814e0e4da3d0ccc7605d5

General

Target

695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe
Size

404KB
MD5

323317d95d40108aa42de6bff8ee8bbd
SHA1

6e6f135129f9fa143e193970cafadf19ae4cd28d
SHA256

695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c
SHA512

3d924aee0c61485de779ce1fca5a4bf8cfd545c7bda40efde631be999b961b2e4f1ec28552846f51c08c4421ddf23993ac8c1fb1b9dbbd94627c1e47cb56fd4a
SSDEEP

6144:icdgWObGvTv2nH0r4uikBHKznOji/H08GZgtDwsnGRxTxvL:i8gWCG6nH0rxiEHKznhbFwAG

Score

10^/10

collection

Malware Config

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 1368 created 1236	1368	695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe	16

Deletes itself 1 IoCs

pid	Process
1692	certreq.exe

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	certreq.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	certreq.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	certreq.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1368	695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe
1368	695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe
1368	695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe
1368	695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe
1692	certreq.exe
1692	certreq.exe
1692	certreq.exe
1692	certreq.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 1692	1368	695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe	29
PID 1368 wrote to memory of 1692	1368	695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe	29
PID 1368 wrote to memory of 1692	1368	695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe	29
PID 1368 wrote to memory of 1692	1368	695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe	29
PID 1368 wrote to memory of 1692	1368	695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe	29
PID 1368 wrote to memory of 1692	1368	695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	certreq.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	certreq.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1236
- C:\Users\Admin\AppData\Local\Temp\695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe
  "C:\Users\Admin\AppData\Local\Temp\695ebf4db6a46967bdecfe41ea5db0b2f96845a460f7d16eb2fcd3111f2dd36c.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1368
- C:\Windows\system32\certreq.exe
  "C:\Windows\system32\certreq.exe"
  2⤵
  - Deletes itself
  - Accesses Microsoft Outlook profiles
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - outlook_office_path
  - outlook_win_path
  PID:1692

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1368-69-0x0000000000400000-0x00000000004DC000-memory.dmp

Filesize
880KB

Download
memory/1368-56-0x00000000002C0000-0x00000000002C7000-memory.dmp

Filesize
28KB

Download
memory/1368-58-0x0000000002090000-0x0000000002490000-memory.dmp

Filesize
4.0MB

Download
memory/1368-57-0x0000000002090000-0x0000000002490000-memory.dmp

Filesize
4.0MB

Download
memory/1368-59-0x0000000000400000-0x00000000004DC000-memory.dmp

Filesize
880KB

Download
memory/1368-55-0x0000000000220000-0x0000000000291000-memory.dmp

Filesize
452KB

Download
memory/1368-61-0x0000000001D60000-0x0000000001D96000-memory.dmp

Filesize
216KB

Download
memory/1368-67-0x0000000001D60000-0x0000000001D96000-memory.dmp

Filesize
216KB

Download
memory/1692-71-0x00000000020C0000-0x00000000020C7000-memory.dmp

Filesize
28KB

Download
memory/1692-76-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/1692-60-0x0000000000060000-0x0000000000063000-memory.dmp

Filesize
12KB

Download
memory/1692-73-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/1692-72-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/1692-74-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/1692-75-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/1692-70-0x0000000000060000-0x0000000000063000-memory.dmp

Filesize
12KB

Download
memory/1692-78-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/1692-79-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/1692-80-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/1692-81-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/1692-82-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download
memory/1692-83-0x000007FFFFE80000-0x000007FFFFFAD000-memory.dmp

Filesize
1.2MB

Download

Analysis

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