34f81a30d63451fba9fd994b9fa563007db8a33eb7871f2605df418434254b0b

General

Target

34f81a30d63451fba9fd994b9fa563007db8a33eb7871f2605df418434254b0b.exe
Size

444KB
MD5

7256c62b809a2a377cb7fc44e2aecb34
SHA1

4bfaa0d0dd07aae272b2063dcfcdfe1297b7690a
SHA256

34f81a30d63451fba9fd994b9fa563007db8a33eb7871f2605df418434254b0b
SHA512

2adbd60a42a32a33a5a45017432ccce5cd639c1a2c2f61ba3894f0843995ad4cd60b44e7dc56c7eeeba909878cf06f896087c36597a1ca2e8b95b79d91e2f202
SSDEEP

6144:RuLQp1D8kp3D97feuVZxbu7lCYTNRL11f01/KqRf9WUEtArvllEdXr3NNeeJ:RuLQphzpp7HjVu7lh5r1f07J9ua

Score

10^/10

collection

Malware Config

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 2168 created 3220	2168	34f81a30d63451fba9fd994b9fa563007db8a33eb7871f2605df418434254b0b.exe	23

Deletes itself 1 IoCs

pid	Process
4692	certreq.exe

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	certreq.exe
Key opened	\REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	certreq.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3664	2168	WerFault.exe	65

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
2168	34f81a30d63451fba9fd994b9fa563007db8a33eb7871f2605df418434254b0b.exe
2168	34f81a30d63451fba9fd994b9fa563007db8a33eb7871f2605df418434254b0b.exe
2168	34f81a30d63451fba9fd994b9fa563007db8a33eb7871f2605df418434254b0b.exe
2168	34f81a30d63451fba9fd994b9fa563007db8a33eb7871f2605df418434254b0b.exe
4692	certreq.exe
4692	certreq.exe
4692	certreq.exe
4692	certreq.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 4692	2168	34f81a30d63451fba9fd994b9fa563007db8a33eb7871f2605df418434254b0b.exe	67
PID 2168 wrote to memory of 4692	2168	34f81a30d63451fba9fd994b9fa563007db8a33eb7871f2605df418434254b0b.exe	67
PID 2168 wrote to memory of 4692	2168	34f81a30d63451fba9fd994b9fa563007db8a33eb7871f2605df418434254b0b.exe	67
PID 2168 wrote to memory of 4692	2168	34f81a30d63451fba9fd994b9fa563007db8a33eb7871f2605df418434254b0b.exe	67

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	certreq.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	certreq.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3220
- C:\Users\Admin\AppData\Local\Temp\34f81a30d63451fba9fd994b9fa563007db8a33eb7871f2605df418434254b0b.exe
  "C:\Users\Admin\AppData\Local\Temp\34f81a30d63451fba9fd994b9fa563007db8a33eb7871f2605df418434254b0b.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2168
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 856
    3⤵
    - Program crash
    PID:3664
- 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:4692

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/2168-137-0x0000000000400000-0x000000000259B000-memory.dmp

Filesize
33.6MB

Download
memory/2168-123-0x0000000002600000-0x0000000002607000-memory.dmp

Filesize
28KB

Download
memory/2168-124-0x0000000004530000-0x0000000004930000-memory.dmp

Filesize
4.0MB

Download
memory/2168-125-0x0000000004530000-0x0000000004930000-memory.dmp

Filesize
4.0MB

Download
memory/2168-122-0x0000000004240000-0x00000000042B0000-memory.dmp

Filesize
448KB

Download
memory/2168-129-0x00000000053B0000-0x00000000053E6000-memory.dmp

Filesize
216KB

Download
memory/2168-135-0x00000000053B0000-0x00000000053E6000-memory.dmp

Filesize
216KB

Download
memory/4692-143-0x00007FF641330000-0x00007FF64145D000-memory.dmp

Filesize
1.2MB

Download
memory/4692-148-0x00007FF641330000-0x00007FF64145D000-memory.dmp

Filesize
1.2MB

Download
memory/4692-142-0x0000027F70BC0000-0x0000027F70BC7000-memory.dmp

Filesize
28KB

Download
memory/4692-126-0x0000027F70B40000-0x0000027F70B43000-memory.dmp

Filesize
12KB

Download
memory/4692-144-0x00007FF641330000-0x00007FF64145D000-memory.dmp

Filesize
1.2MB

Download
memory/4692-145-0x00007FF641330000-0x00007FF64145D000-memory.dmp

Filesize
1.2MB

Download
memory/4692-146-0x00007FF641330000-0x00007FF64145D000-memory.dmp

Filesize
1.2MB

Download
memory/4692-139-0x0000027F70B40000-0x0000027F70B43000-memory.dmp

Filesize
12KB

Download
memory/4692-150-0x00007FF641330000-0x00007FF64145D000-memory.dmp

Filesize
1.2MB

Download
memory/4692-151-0x00007FF641330000-0x00007FF64145D000-memory.dmp

Filesize
1.2MB

Download
memory/4692-152-0x00007FF641330000-0x00007FF64145D000-memory.dmp

Filesize
1.2MB

Download
memory/4692-153-0x00007FF641330000-0x00007FF64145D000-memory.dmp

Filesize
1.2MB

Download
memory/4692-154-0x00007FF641330000-0x00007FF64145D000-memory.dmp

Filesize
1.2MB

Download
memory/4692-155-0x00007FF641330000-0x00007FF64145D000-memory.dmp

Filesize
1.2MB

Download

Analysis

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