webmonitor | 0f6c9c6fbd87f9ee7bb66f6d9302f0334c3b16a2a4c2482d3db0ff117fcb1e06

Analysis

max time kernel
151s
max time network
175s
platform
windows7_x64
resource
win7-20220414-en
submitted
04-06-2022 15:39

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General

Target

0f6c9c6fbd87f9ee7bb66f6d9302f0334c3b16a2a4c2482d3db0ff117fcb1e06.exe
Size

586KB
MD5

b26c6f36a8711168dc8d2882a6cab0c2
SHA1

e133a7dad21664672df96f0e6c956effe2ac7350
SHA256

0f6c9c6fbd87f9ee7bb66f6d9302f0334c3b16a2a4c2482d3db0ff117fcb1e06
SHA512

f865d9cd05796cd4dfb69e1a9748b14c9d3ca49d29f5dee1bc8df367dc9f141ac1208a13a986f18963df2b70ff56aa76e7f2b0c7d9e2199ee472e24a24934910

Score

10^/10

webmonitor backdoor infostealer persistence rat suricata upx

Malware Config

Extracted

Family

webmonitor

holmes101.wm01.to:443

Attributes

config_key
XKulJBlUogMPPhL5GnUay2DqaaoA6mr7
private_key
rwh8ivgQh
url_path
/recv4.php

Signatures

RevcodeRat, WebMonitorRat
WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.
backdoor rat infostealer webmonitor

WebMonitor Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1612-99-0x0000000000400000-0x00000000004E3000-memory.dmp	family_webmonitor
behavioral1/memory/1612-100-0x0000000000400000-0x00000000004E3000-memory.dmp	family_webmonitor
behavioral1/memory/1612-102-0x0000000000400000-0x00000000004E3000-memory.dmp	family_webmonitor

suricata: ET MALWARE WebMonitor/RevCode RAT CnC Domain in DNS Lookup
suricata: ET MALWARE WebMonitor/RevCode RAT CnC Domain in DNS Lookup
suricata
Executes dropped EXE 2 IoCs

Processes:

litegen.exelitegen.exe

pid process

268 litegen.exe
1612 litegen.exe

pid	process
268	litegen.exe
1612	litegen.exe

UPX packed file 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1612-85-0x0000000000400000-0x00000000004E3000-memory.dmp	upx
behavioral1/memory/1612-87-0x0000000000400000-0x00000000004E3000-memory.dmp	upx
behavioral1/memory/1612-88-0x0000000000400000-0x00000000004E3000-memory.dmp	upx
behavioral1/memory/1612-91-0x0000000000400000-0x00000000004E3000-memory.dmp	upx
behavioral1/memory/1612-97-0x0000000000400000-0x00000000004E3000-memory.dmp	upx
behavioral1/memory/1612-99-0x0000000000400000-0x00000000004E3000-memory.dmp	upx
behavioral1/memory/1612-100-0x0000000000400000-0x00000000004E3000-memory.dmp	upx
behavioral1/memory/1612-102-0x0000000000400000-0x00000000004E3000-memory.dmp	upx

Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1032 cmd.exe
Unexpected DNS network traffic destination 2 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

description ioc

Destination IP 1.2.4.8
Destination IP 185.243.215.214

pid	process
1032	cmd.exe

description	ioc
Destination IP	1.2.4.8
Destination IP	185.243.215.214

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

litegen.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\lite = "C:\\Users\\Admin\\AppData\\Local\\litegen.exe -boot"	litegen.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

litegen.exe

description pid process target process

PID 268 set thread context of 1612 268 litegen.exe litegen.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 268 set thread context of 1612	268	litegen.exe	litegen.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

0f6c9c6fbd87f9ee7bb66f6d9302f0334c3b16a2a4c2482d3db0ff117fcb1e06.exelitegen.exe

description	pid	process
Token: SeDebugPrivilege	916	0f6c9c6fbd87f9ee7bb66f6d9302f0334c3b16a2a4c2482d3db0ff117fcb1e06.exe
Token: 33	916	0f6c9c6fbd87f9ee7bb66f6d9302f0334c3b16a2a4c2482d3db0ff117fcb1e06.exe
Token: SeIncBasePriorityPrivilege	916	0f6c9c6fbd87f9ee7bb66f6d9302f0334c3b16a2a4c2482d3db0ff117fcb1e06.exe
Token: SeDebugPrivilege	268	litegen.exe
Token: 33	268	litegen.exe
Token: SeIncBasePriorityPrivilege	268	litegen.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

0f6c9c6fbd87f9ee7bb66f6d9302f0334c3b16a2a4c2482d3db0ff117fcb1e06.execmd.exelitegen.exe

description	pid	process	target process
PID 916 wrote to memory of 2012	916	0f6c9c6fbd87f9ee7bb66f6d9302f0334c3b16a2a4c2482d3db0ff117fcb1e06.exe	cmd.exe
PID 916 wrote to memory of 2012	916	0f6c9c6fbd87f9ee7bb66f6d9302f0334c3b16a2a4c2482d3db0ff117fcb1e06.exe	cmd.exe
PID 916 wrote to memory of 2012	916	0f6c9c6fbd87f9ee7bb66f6d9302f0334c3b16a2a4c2482d3db0ff117fcb1e06.exe	cmd.exe
PID 916 wrote to memory of 2012	916	0f6c9c6fbd87f9ee7bb66f6d9302f0334c3b16a2a4c2482d3db0ff117fcb1e06.exe	cmd.exe
PID 916 wrote to memory of 1032	916	0f6c9c6fbd87f9ee7bb66f6d9302f0334c3b16a2a4c2482d3db0ff117fcb1e06.exe	cmd.exe
PID 916 wrote to memory of 1032	916	0f6c9c6fbd87f9ee7bb66f6d9302f0334c3b16a2a4c2482d3db0ff117fcb1e06.exe	cmd.exe
PID 916 wrote to memory of 1032	916	0f6c9c6fbd87f9ee7bb66f6d9302f0334c3b16a2a4c2482d3db0ff117fcb1e06.exe	cmd.exe
PID 916 wrote to memory of 1032	916	0f6c9c6fbd87f9ee7bb66f6d9302f0334c3b16a2a4c2482d3db0ff117fcb1e06.exe	cmd.exe
PID 1032 wrote to memory of 268	1032	cmd.exe	litegen.exe
PID 1032 wrote to memory of 268	1032	cmd.exe	litegen.exe
PID 1032 wrote to memory of 268	1032	cmd.exe	litegen.exe
PID 1032 wrote to memory of 268	1032	cmd.exe	litegen.exe
PID 268 wrote to memory of 1612	268	litegen.exe	litegen.exe
PID 268 wrote to memory of 1612	268	litegen.exe	litegen.exe
PID 268 wrote to memory of 1612	268	litegen.exe	litegen.exe
PID 268 wrote to memory of 1612	268	litegen.exe	litegen.exe
PID 268 wrote to memory of 1612	268	litegen.exe	litegen.exe
PID 268 wrote to memory of 1612	268	litegen.exe	litegen.exe
PID 268 wrote to memory of 1612	268	litegen.exe	litegen.exe
PID 268 wrote to memory of 1612	268	litegen.exe	litegen.exe

C:\Users\Admin\AppData\Local\Temp\0f6c9c6fbd87f9ee7bb66f6d9302f0334c3b16a2a4c2482d3db0ff117fcb1e06.exe
"C:\Users\Admin\AppData\Local\Temp\0f6c9c6fbd87f9ee7bb66f6d9302f0334c3b16a2a4c2482d3db0ff117fcb1e06.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:916
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\0f6c9c6fbd87f9ee7bb66f6d9302f0334c3b16a2a4c2482d3db0ff117fcb1e06.exe" "C:\Users\Admin\AppData\Local\litegen.exe"
  2⤵
  PID:2012
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Local\litegen.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1032
- - C:\Users\Admin\AppData\Local\litegen.exe
    "C:\Users\Admin\AppData\Local\litegen.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:268
  - - C:\Users\Admin\AppData\Local\litegen.exe
      "C:\Users\Admin\AppData\Local\litegen.exe"
      4⤵
      Executes dropped EXE
      PID:1612

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\litegen.exe

Filesize
586KB

MD5
b26c6f36a8711168dc8d2882a6cab0c2

SHA1
e133a7dad21664672df96f0e6c956effe2ac7350

SHA256
0f6c9c6fbd87f9ee7bb66f6d9302f0334c3b16a2a4c2482d3db0ff117fcb1e06

SHA512
f865d9cd05796cd4dfb69e1a9748b14c9d3ca49d29f5dee1bc8df367dc9f141ac1208a13a986f18963df2b70ff56aa76e7f2b0c7d9e2199ee472e24a24934910

Download Submit
C:\Users\Admin\AppData\Local\litegen.exe

Filesize
586KB

MD5
b26c6f36a8711168dc8d2882a6cab0c2

SHA1
e133a7dad21664672df96f0e6c956effe2ac7350

SHA256
0f6c9c6fbd87f9ee7bb66f6d9302f0334c3b16a2a4c2482d3db0ff117fcb1e06

SHA512
f865d9cd05796cd4dfb69e1a9748b14c9d3ca49d29f5dee1bc8df367dc9f141ac1208a13a986f18963df2b70ff56aa76e7f2b0c7d9e2199ee472e24a24934910

Download Submit
C:\Users\Admin\AppData\Local\litegen.exe

Filesize
586KB

MD5
b26c6f36a8711168dc8d2882a6cab0c2

SHA1
e133a7dad21664672df96f0e6c956effe2ac7350

SHA256
0f6c9c6fbd87f9ee7bb66f6d9302f0334c3b16a2a4c2482d3db0ff117fcb1e06

SHA512
f865d9cd05796cd4dfb69e1a9748b14c9d3ca49d29f5dee1bc8df367dc9f141ac1208a13a986f18963df2b70ff56aa76e7f2b0c7d9e2199ee472e24a24934910

Download Submit
\Users\Admin\AppData\Local\litegen.exe

Filesize
586KB

MD5
b26c6f36a8711168dc8d2882a6cab0c2

SHA1
e133a7dad21664672df96f0e6c956effe2ac7350

SHA256
0f6c9c6fbd87f9ee7bb66f6d9302f0334c3b16a2a4c2482d3db0ff117fcb1e06

SHA512
f865d9cd05796cd4dfb69e1a9748b14c9d3ca49d29f5dee1bc8df367dc9f141ac1208a13a986f18963df2b70ff56aa76e7f2b0c7d9e2199ee472e24a24934910

Download Submit
memory/268-68-0x0000000000000000-mapping.dmp

Download
memory/268-76-0x0000000072010000-0x0000000072A20000-memory.dmp

Filesize
10.1MB

Download
memory/268-101-0x0000000074160000-0x0000000074331000-memory.dmp

Filesize
1.8MB

Download
memory/268-79-0x0000000070330000-0x0000000070B10000-memory.dmp

Filesize
7.9MB

Download
memory/268-98-0x0000000074160000-0x0000000074331000-memory.dmp

Filesize
1.8MB

Download
memory/268-95-0x0000000070330000-0x0000000070B10000-memory.dmp

Filesize
7.9MB

Download
memory/268-94-0x00000000712F0000-0x000000007200D000-memory.dmp

Filesize
13.1MB

Download
memory/268-93-0x0000000074660000-0x00000000747F4000-memory.dmp

Filesize
1.6MB

Download
memory/268-92-0x0000000072A20000-0x0000000073DAF000-memory.dmp

Filesize
19.6MB

Download
memory/268-83-0x0000000000440000-0x000000000044A000-memory.dmp

Filesize
40KB

Download
memory/268-78-0x00000000712F0000-0x000000007200D000-memory.dmp

Filesize
13.1MB

Download
memory/268-70-0x00000000008E0000-0x0000000000978000-memory.dmp

Filesize
608KB

Download
memory/268-80-0x0000000072A20000-0x0000000073DAF000-memory.dmp

Filesize
19.6MB

Download
memory/268-82-0x0000000074660000-0x00000000747F4000-memory.dmp

Filesize
1.6MB

Download
memory/268-81-0x0000000072010000-0x0000000072A20000-memory.dmp

Filesize
10.1MB

Download
memory/268-77-0x0000000074660000-0x00000000747F4000-memory.dmp

Filesize
1.6MB

Download
memory/268-75-0x0000000072A20000-0x0000000073DAF000-memory.dmp

Filesize
19.6MB

Download
memory/916-61-0x0000000072A20000-0x0000000073DAF000-memory.dmp

Filesize
19.6MB

Download
memory/916-71-0x0000000072A20000-0x0000000073DAF000-memory.dmp

Filesize
19.6MB

Download
memory/916-73-0x0000000074660000-0x00000000747F4000-memory.dmp

Filesize
1.6MB

Download
memory/916-57-0x0000000072010000-0x0000000072A20000-memory.dmp

Filesize
10.1MB

Download
memory/916-59-0x00000000712F0000-0x000000007200D000-memory.dmp

Filesize
13.1MB

Download
memory/916-56-0x0000000072A20000-0x0000000073DAF000-memory.dmp

Filesize
19.6MB

Download
memory/916-72-0x0000000072010000-0x0000000072A20000-memory.dmp

Filesize
10.1MB

Download
memory/916-55-0x00000000005E0000-0x00000000005FE000-memory.dmp

Filesize
120KB

Download
memory/916-58-0x0000000074660000-0x00000000747F4000-memory.dmp

Filesize
1.6MB

Download
memory/916-60-0x0000000070B10000-0x00000000712F0000-memory.dmp

Filesize
7.9MB

Download
memory/916-62-0x0000000072010000-0x0000000072A20000-memory.dmp

Filesize
10.1MB

Download
memory/916-63-0x0000000074660000-0x00000000747F4000-memory.dmp

Filesize
1.6MB

Download
memory/916-54-0x00000000002F0000-0x0000000000388000-memory.dmp

Filesize
608KB

Download
memory/916-74-0x00000000712F0000-0x000000007200D000-memory.dmp

Filesize
13.1MB

Download
memory/1032-65-0x0000000000000000-mapping.dmp

Download
memory/1612-89-0x00000000004E1210-mapping.dmp

Download
memory/1612-91-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/1612-88-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/1612-96-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

Filesize
8KB

Download
memory/1612-87-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/1612-85-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/1612-97-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/1612-99-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/1612-100-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/1612-84-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/1612-102-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/2012-64-0x0000000000000000-mapping.dmp

Download