57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185

Analysis

max time kernel
151s
max time network
147s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-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 5 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/1724-88-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/1724-89-0x0000000000411790-mapping.dmp	MailPassView
behavioral1/memory/1724-92-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/1724-94-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/1724-95-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 4 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/2028-106-0x00000000004439CC-mapping.dmp	WebBrowserPassView
behavioral1/memory/2028-105-0x0000000000400000-0x000000000045A000-memory.dmp	WebBrowserPassView
behavioral1/memory/2028-109-0x0000000000400000-0x000000000045A000-memory.dmp	WebBrowserPassView
behavioral1/memory/2028-111-0x0000000000400000-0x000000000045A000-memory.dmp	WebBrowserPassView

Nirsoft 9 IoCs

resource	yara_rule
behavioral1/memory/1724-88-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/1724-89-0x0000000000411790-mapping.dmp	Nirsoft
behavioral1/memory/1724-92-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/1724-94-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/1724-95-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/2028-106-0x00000000004439CC-mapping.dmp	Nirsoft
behavioral1/memory/2028-105-0x0000000000400000-0x000000000045A000-memory.dmp	Nirsoft
behavioral1/memory/2028-109-0x0000000000400000-0x000000000045A000-memory.dmp	Nirsoft
behavioral1/memory/2028-111-0x0000000000400000-0x000000000045A000-memory.dmp	Nirsoft

Executes dropped EXE 3 IoCs

pid	Process
1720	foldar.exe
748	foldar.exe
1804	foldar.exe

Loads dropped DLL 1 IoCs

pid	Process
2032	57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185.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-1-5-21-335065374-4263250628-1829373619-1000\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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1720 set thread context of 1804	1720	foldar.exe	29
PID 1804 set thread context of 1724	1804	foldar.exe	31
PID 1804 set thread context of 2028	1804	foldar.exe	32

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 11 IoCs

pid	Process
2032	57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185.exe
1720	foldar.exe
748	foldar.exe
1720	foldar.exe
1720	foldar.exe
1720	foldar.exe
2028	vbc.exe
2028	vbc.exe
2028	vbc.exe
2028	vbc.exe
2028	vbc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2032	57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185.exe
Token: SeDebugPrivilege	1720	foldar.exe
Token: SeDebugPrivilege	748	foldar.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1804	foldar.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 1720	2032	57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185.exe	27
PID 2032 wrote to memory of 1720	2032	57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185.exe	27
PID 2032 wrote to memory of 1720	2032	57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185.exe	27
PID 2032 wrote to memory of 1720	2032	57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185.exe	27
PID 1720 wrote to memory of 748	1720	foldar.exe	28
PID 1720 wrote to memory of 748	1720	foldar.exe	28
PID 1720 wrote to memory of 748	1720	foldar.exe	28
PID 1720 wrote to memory of 748	1720	foldar.exe	28
PID 1720 wrote to memory of 1804	1720	foldar.exe	29
PID 1720 wrote to memory of 1804	1720	foldar.exe	29
PID 1720 wrote to memory of 1804	1720	foldar.exe	29
PID 1720 wrote to memory of 1804	1720	foldar.exe	29
PID 1720 wrote to memory of 1804	1720	foldar.exe	29
PID 1720 wrote to memory of 1804	1720	foldar.exe	29
PID 1720 wrote to memory of 1804	1720	foldar.exe	29
PID 1720 wrote to memory of 1804	1720	foldar.exe	29
PID 1720 wrote to memory of 1804	1720	foldar.exe	29
PID 1804 wrote to memory of 1724	1804	foldar.exe	31
PID 1804 wrote to memory of 1724	1804	foldar.exe	31
PID 1804 wrote to memory of 1724	1804	foldar.exe	31
PID 1804 wrote to memory of 1724	1804	foldar.exe	31
PID 1804 wrote to memory of 1724	1804	foldar.exe	31
PID 1804 wrote to memory of 1724	1804	foldar.exe	31
PID 1804 wrote to memory of 1724	1804	foldar.exe	31
PID 1804 wrote to memory of 1724	1804	foldar.exe	31
PID 1804 wrote to memory of 1724	1804	foldar.exe	31
PID 1804 wrote to memory of 1724	1804	foldar.exe	31
PID 1804 wrote to memory of 2028	1804	foldar.exe	32
PID 1804 wrote to memory of 2028	1804	foldar.exe	32
PID 1804 wrote to memory of 2028	1804	foldar.exe	32
PID 1804 wrote to memory of 2028	1804	foldar.exe	32
PID 1804 wrote to memory of 2028	1804	foldar.exe	32
PID 1804 wrote to memory of 2028	1804	foldar.exe	32
PID 1804 wrote to memory of 2028	1804	foldar.exe	32
PID 1804 wrote to memory of 2028	1804	foldar.exe	32
PID 1804 wrote to memory of 2028	1804	foldar.exe	32
PID 1804 wrote to memory of 2028	1804	foldar.exe	32

C:\Users\Admin\AppData\Local\Temp\57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185.exe
"C:\Users\Admin\AppData\Local\Temp\57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2032
- 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
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1720
- - 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:748
- - 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 SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1804
  - - 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:1724
  - - 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:2028

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

Credential Access

Discovery

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
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

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
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\foldar.exe

Filesize
605KB

MD5
15a3c7858edf89cc13ab89c431c1c3a6

SHA1
e0cef058068d5301afcb16ead6e751b540b403c3

SHA256
57dec4bc69b77b52520e3d476e39949f0be803647a70f7d00ecd15be08035185

SHA512
20025bfc2bb8d99f56ee1edeaa03ee61ef52a131e764e36046b87578813cde2a101727d6e2cb4404ac0b7a770fe43116e5b0b4918bcca3d9e758be900b905222

Download Submit
memory/748-78-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/748-68-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/1720-62-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/1720-77-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/1724-94-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1724-86-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1724-95-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1724-92-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1724-88-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1724-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1724-80-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1724-81-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1724-83-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1804-93-0x0000000000795000-0x00000000007A6000-memory.dmp

Filesize
68KB

Download
memory/1804-74-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1804-112-0x0000000000795000-0x00000000007A6000-memory.dmp

Filesize
68KB

Download
memory/1804-69-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1804-76-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/1804-72-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1804-79-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/2028-97-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2028-96-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2028-99-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2028-101-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2028-103-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2028-105-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2028-109-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2028-111-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2032-54-0x0000000075E41000-0x0000000075E43000-memory.dmp

Filesize
8KB

Download
memory/2032-55-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download
memory/2032-61-0x0000000074B90000-0x000000007513B000-memory.dmp

Filesize
5.7MB

Download