57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185

Analysis

max time kernel
150s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
24-07-2022 19:28

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General

Target

57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185.exe
Size

605KB
MD5

15a3c7858edf89cc13ab89c431c1c3a6
SHA1

e0cef058068d5301afcb16ead6e751b540b403c3
SHA256

57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185
SHA512

20025bfc2bb8d99f56ee1edeaa03ee61ef52a131e764e36046b87578813cde2a101727d6e2cb4404ac0b7a770fe43116e5b0b4918bcca3d9e758be900b905222

Score

9^/10

collection

Malware Config

Signatures

NirSoft MailPassView 4 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/4852-148-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral2/memory/4852-150-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral2/memory/4852-151-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral2/memory/4852-152-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 4 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/4332-155-0x0000000000400000-0x000000000045A000-memory.dmp	WebBrowserPassView
behavioral2/memory/4332-157-0x0000000000400000-0x000000000045A000-memory.dmp	WebBrowserPassView
behavioral2/memory/4332-158-0x0000000000400000-0x000000000045A000-memory.dmp	WebBrowserPassView
behavioral2/memory/4332-160-0x0000000000400000-0x000000000045A000-memory.dmp	WebBrowserPassView

Nirsoft 8 IoCs

resource	yara_rule
behavioral2/memory/4852-148-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/4852-150-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/4852-151-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/4852-152-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/4332-155-0x0000000000400000-0x000000000045A000-memory.dmp	Nirsoft
behavioral2/memory/4332-157-0x0000000000400000-0x000000000045A000-memory.dmp	Nirsoft
behavioral2/memory/4332-158-0x0000000000400000-0x000000000045A000-memory.dmp	Nirsoft
behavioral2/memory/4332-160-0x0000000000400000-0x000000000045A000-memory.dmp	Nirsoft

Executes dropped EXE 3 IoCs

pid	Process
4180	foldar.exe
1556	foldar.exe
3448	foldar.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Control Panel\International\Geo\Nation	57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Control Panel\International\Geo\Nation	foldar.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	vbc.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.

flow	ioc
5	checkip.dyndns.org

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4180 set thread context of 3448	4180	foldar.exe	82
PID 3448 set thread context of 4852	3448	foldar.exe	83
PID 3448 set thread context of 4332	3448	foldar.exe	84

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
4652	57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185.exe
4180	foldar.exe
1556	foldar.exe
4180	foldar.exe
4180	foldar.exe
4180	foldar.exe
4332	vbc.exe
4332	vbc.exe
4332	vbc.exe
4332	vbc.exe
4332	vbc.exe
4332	vbc.exe
4332	vbc.exe
4332	vbc.exe
4332	vbc.exe
4332	vbc.exe
4332	vbc.exe
4332	vbc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4652	57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185.exe
Token: SeDebugPrivilege	4180	foldar.exe
Token: SeDebugPrivilege	1556	foldar.exe
Token: SeDebugPrivilege	3448	foldar.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3448	foldar.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 4652 wrote to memory of 4180	4652	57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185.exe	79
PID 4652 wrote to memory of 4180	4652	57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185.exe	79
PID 4652 wrote to memory of 4180	4652	57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185.exe	79
PID 4180 wrote to memory of 1556	4180	foldar.exe	80
PID 4180 wrote to memory of 1556	4180	foldar.exe	80
PID 4180 wrote to memory of 1556	4180	foldar.exe	80
PID 4180 wrote to memory of 3448	4180	foldar.exe	82
PID 4180 wrote to memory of 3448	4180	foldar.exe	82
PID 4180 wrote to memory of 3448	4180	foldar.exe	82
PID 4180 wrote to memory of 3448	4180	foldar.exe	82
PID 4180 wrote to memory of 3448	4180	foldar.exe	82
PID 4180 wrote to memory of 3448	4180	foldar.exe	82
PID 4180 wrote to memory of 3448	4180	foldar.exe	82
PID 4180 wrote to memory of 3448	4180	foldar.exe	82
PID 3448 wrote to memory of 4852	3448	foldar.exe	83
PID 3448 wrote to memory of 4852	3448	foldar.exe	83
PID 3448 wrote to memory of 4852	3448	foldar.exe	83
PID 3448 wrote to memory of 4852	3448	foldar.exe	83
PID 3448 wrote to memory of 4852	3448	foldar.exe	83
PID 3448 wrote to memory of 4852	3448	foldar.exe	83
PID 3448 wrote to memory of 4852	3448	foldar.exe	83
PID 3448 wrote to memory of 4852	3448	foldar.exe	83
PID 3448 wrote to memory of 4852	3448	foldar.exe	83
PID 3448 wrote to memory of 4332	3448	foldar.exe	84
PID 3448 wrote to memory of 4332	3448	foldar.exe	84
PID 3448 wrote to memory of 4332	3448	foldar.exe	84
PID 3448 wrote to memory of 4332	3448	foldar.exe	84
PID 3448 wrote to memory of 4332	3448	foldar.exe	84
PID 3448 wrote to memory of 4332	3448	foldar.exe	84
PID 3448 wrote to memory of 4332	3448	foldar.exe	84
PID 3448 wrote to memory of 4332	3448	foldar.exe	84
PID 3448 wrote to memory of 4332	3448	foldar.exe	84

C:\Users\Admin\AppData\Local\Temp\57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185.exe
"C:\Users\Admin\AppData\Local\Temp\57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4652
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\foldar.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\foldar.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4180
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\foldar.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\foldar.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1556
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\foldar.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\foldar.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3448
  - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\\Mail.txt"
      4⤵
      Accesses Microsoft Outlook accounts
      PID:4852
  - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\\Web.txt"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      PID:4332

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Web.txt

Filesize
3KB

MD5
b9daf88205e7429feaceda806bd561d2

SHA1
1893c80e74cfea9914343c6e4213393804a92dd1

SHA256
efa03262d4c3f5a46ab526946b8c7450d37eff4b5f8d53b43468655eea8cc027

SHA512
649ba70698611bd66aa91e40aaa81327a60efc098c1705729f9eb316c18e9bcca6af2363b24f8ac4aea5d25f12303833aedaada6fd26f1eebb86711a4e9baaf1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\foldar.exe

Filesize
605KB

MD5
15a3c7858edf89cc13ab89c431c1c3a6

SHA1
e0cef058068d5301afcb16ead6e751b540b403c3

SHA256
57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185

SHA512
20025bfc2bb8d99f56ee1edeaa03ee61ef52a131e764e36046b87578813cde2a101727d6e2cb4404ac0b7a770fe43116e5b0b4918bcca3d9e758be900b905222

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\foldar.exe

Filesize
605KB

MD5
15a3c7858edf89cc13ab89c431c1c3a6

SHA1
e0cef058068d5301afcb16ead6e751b540b403c3

SHA256
57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185

SHA512
20025bfc2bb8d99f56ee1edeaa03ee61ef52a131e764e36046b87578813cde2a101727d6e2cb4404ac0b7a770fe43116e5b0b4918bcca3d9e758be900b905222

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\foldar.exe

Filesize
605KB

MD5
15a3c7858edf89cc13ab89c431c1c3a6

SHA1
e0cef058068d5301afcb16ead6e751b540b403c3

SHA256
57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185

SHA512
20025bfc2bb8d99f56ee1edeaa03ee61ef52a131e764e36046b87578813cde2a101727d6e2cb4404ac0b7a770fe43116e5b0b4918bcca3d9e758be900b905222

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\foldar.exe

Filesize
605KB

MD5
15a3c7858edf89cc13ab89c431c1c3a6

SHA1
e0cef058068d5301afcb16ead6e751b540b403c3

SHA256
57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185

SHA512
20025bfc2bb8d99f56ee1edeaa03ee61ef52a131e764e36046b87578813cde2a101727d6e2cb4404ac0b7a770fe43116e5b0b4918bcca3d9e758be900b905222

Download Submit
C:\Users\Admin\AppData\Roaming\New text document.txt

Filesize
32B

MD5
7bb1744f94d33a785800612033918dc6

SHA1
bb28cffcbe3ab31bff7660ecdf18fe3da65e5462

SHA256
878a251e3d3a1f6d0f5211c20fa89fc4f4e649638b5bbb471c57bf88836f9ff5

SHA512
8304ab83b7705ab6316665480da5913acdd647e2897386a07028e692a22cc5ef746b8644a47e0f92925ff01b07b911c9241ba661aaf95068cde7f1689626ac67

Download Submit
C:\Users\Admin\AppData\Roaming\New text document.txt

Filesize
32B

MD5
7bb1744f94d33a785800612033918dc6

SHA1
bb28cffcbe3ab31bff7660ecdf18fe3da65e5462

SHA256
878a251e3d3a1f6d0f5211c20fa89fc4f4e649638b5bbb471c57bf88836f9ff5

SHA512
8304ab83b7705ab6316665480da5913acdd647e2897386a07028e692a22cc5ef746b8644a47e0f92925ff01b07b911c9241ba661aaf95068cde7f1689626ac67

Download Submit
memory/1556-144-0x0000000074D40000-0x00000000752F1000-memory.dmp

Filesize
5.7MB

Download
memory/1556-139-0x0000000074D40000-0x00000000752F1000-memory.dmp

Filesize
5.7MB

Download
memory/3448-146-0x0000000074D40000-0x00000000752F1000-memory.dmp

Filesize
5.7MB

Download
memory/3448-153-0x0000000074D40000-0x00000000752F1000-memory.dmp

Filesize
5.7MB

Download
memory/3448-142-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/4180-145-0x0000000074D40000-0x00000000752F1000-memory.dmp

Filesize
5.7MB

Download
memory/4180-140-0x0000000074D40000-0x00000000752F1000-memory.dmp

Filesize
5.7MB

Download
memory/4332-160-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4332-158-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4332-157-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4332-155-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4652-134-0x0000000074D40000-0x00000000752F1000-memory.dmp

Filesize
5.7MB

Download
memory/4652-130-0x0000000074D40000-0x00000000752F1000-memory.dmp

Filesize
5.7MB

Download
memory/4852-152-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4852-151-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4852-150-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4852-148-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download