dcfe076ac089afc0ceb4e72a109c007810f56c7eedbd6285d4fe15e8b23f79af

General

Target

dcfe076ac089afc0ceb4e72a109c007810f56c7eedbd6285d4fe15e8b23f79af.exe
Size

352KB
MD5

c6c7a244a7b84ca1c39ff75ab67fb4ce
SHA1

96587a14d3aab06296cef886f4f38cb80e3f837a
SHA256

dcfe076ac089afc0ceb4e72a109c007810f56c7eedbd6285d4fe15e8b23f79af
SHA512

3d2725f90195bbf2a469c89d62b048dc9d40ccd6b4bd0f7e70412bbe494ab158a63fbcf2431ed9ac708327ffbd449639bfc8f8106b4dc400532b6d6574b4db7a
SSDEEP

6144:3ENWWi0N5mF1jRDrqL2nu1RIwaqpakE3u3fBzCeT3yt:U80N5w1Rpnk92j3GfBOeC

Score

8^/10

discovery evasion persistence trojan

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	dcfe076ac089afc0ceb4e72a109c007810f56c7eedbd6285d4fe15e8b23f79af.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Pokczs = "C:\\Windows\\SysWOW64\\unlodctrf.exe"	dcfe076ac089afc0ceb4e72a109c007810f56c7eedbd6285d4fe15e8b23f79af.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	unlodctrf.exe

Executes dropped EXE 1 IoCs

pid	Process
2404	unlodctrf.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	dcfe076ac089afc0ceb4e72a109c007810f56c7eedbd6285d4fe15e8b23f79af.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	unlodctrf.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	dcfe076ac089afc0ceb4e72a109c007810f56c7eedbd6285d4fe15e8b23f79af.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\unlodctrf.exe	dcfe076ac089afc0ceb4e72a109c007810f56c7eedbd6285d4fe15e8b23f79af.exe
File opened for modification	C:\Windows\SysWOW64\unlodctrf.exe	dcfe076ac089afc0ceb4e72a109c007810f56c7eedbd6285d4fe15e8b23f79af.exe

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

System Information Discovery
T1082

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command-Line Interface

T1059

pid	Process
2336	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4252	dcfe076ac089afc0ceb4e72a109c007810f56c7eedbd6285d4fe15e8b23f79af.exe
4252	dcfe076ac089afc0ceb4e72a109c007810f56c7eedbd6285d4fe15e8b23f79af.exe
4252	dcfe076ac089afc0ceb4e72a109c007810f56c7eedbd6285d4fe15e8b23f79af.exe
4252	dcfe076ac089afc0ceb4e72a109c007810f56c7eedbd6285d4fe15e8b23f79af.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4252	dcfe076ac089afc0ceb4e72a109c007810f56c7eedbd6285d4fe15e8b23f79af.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2404	unlodctrf.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4252 wrote to memory of 2404	4252	dcfe076ac089afc0ceb4e72a109c007810f56c7eedbd6285d4fe15e8b23f79af.exe	81
PID 4252 wrote to memory of 2404	4252	dcfe076ac089afc0ceb4e72a109c007810f56c7eedbd6285d4fe15e8b23f79af.exe	81
PID 4252 wrote to memory of 2404	4252	dcfe076ac089afc0ceb4e72a109c007810f56c7eedbd6285d4fe15e8b23f79af.exe	81
PID 4252 wrote to memory of 1456	4252	dcfe076ac089afc0ceb4e72a109c007810f56c7eedbd6285d4fe15e8b23f79af.exe	83
PID 4252 wrote to memory of 1456	4252	dcfe076ac089afc0ceb4e72a109c007810f56c7eedbd6285d4fe15e8b23f79af.exe	83
PID 4252 wrote to memory of 1456	4252	dcfe076ac089afc0ceb4e72a109c007810f56c7eedbd6285d4fe15e8b23f79af.exe	83
PID 2404 wrote to memory of 2336	2404	unlodctrf.exe	85
PID 2404 wrote to memory of 2336	2404	unlodctrf.exe	85
PID 2404 wrote to memory of 2336	2404	unlodctrf.exe	85

C:\Users\Admin\AppData\Local\Temp\dcfe076ac089afc0ceb4e72a109c007810f56c7eedbd6285d4fe15e8b23f79af.exe
"C:\Users\Admin\AppData\Local\Temp\dcfe076ac089afc0ceb4e72a109c007810f56c7eedbd6285d4fe15e8b23f79af.exe"
1⤵
- Adds policy Run key to start application
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4252
- C:\Windows\SysWOW64\unlodctrf.exe
  C:\Windows\SysWOW64\unlodctrf.exe
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2404
- - C:\Windows\SysWOW64\ipconfig.exe
    "C:\Windows\system32\ipconfig.exe" /flushdns
    3⤵
    - Gathers network information
    PID:2336
- C:\Windows\SysWOW64\cmd.exe
  /c C:\Users\Admin\AppData\Local\Temp\~unins7875.bat "C:\Users\Admin\AppData\Local\Temp\dcfe076ac089afc0ceb4e72a109c007810f56c7eedbd6285d4fe15e8b23f79af.exe"
  2⤵
  PID:1456

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

5

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\~unins7875.bat

Filesize
49B

MD5
9e0a2f5ab30517809b95a1ff1dd98c53

SHA1
5c1eefdf10e67d1e9216e2e3f5e92352d583c9ce

SHA256
97ac9fee75a1f7b63b3115e9c4fb9dda80b1caba26d2fb51325670dee261fe32

SHA512
e959cc1fd48fb1cccf135a697924c775a3812bab211fc7f9b00c5a9d617261d84c5d6f7cb548774c1e8f46811b06ca39c5603d0e10cbcb7b805f9abbe49b9b42

Download Submit
C:\Windows\SysWOW64\unlodctrf.exe

Filesize
124KB

MD5
6a552f4bfea317dc4dbfc1193dcaaff3

SHA1
ae2e776f4a70d579d04b97ff28aec9f644d293df

SHA256
4cc56f13cfcea7382499273581962460f2611e9928f02c10f2df2ef98f1efbb4

SHA512
4db3c1f0687631fccec7c0268cbf369b92c841c2c5d923589d63c784d072e315e23b06156f2c47648a04cbb59b3aa5311a9c338aaac0de6caa52854990c70a44

Download Submit
C:\Windows\SysWOW64\unlodctrf.exe

Filesize
124KB

MD5
6a552f4bfea317dc4dbfc1193dcaaff3

SHA1
ae2e776f4a70d579d04b97ff28aec9f644d293df

SHA256
4cc56f13cfcea7382499273581962460f2611e9928f02c10f2df2ef98f1efbb4

SHA512
4db3c1f0687631fccec7c0268cbf369b92c841c2c5d923589d63c784d072e315e23b06156f2c47648a04cbb59b3aa5311a9c338aaac0de6caa52854990c70a44

Download Submit
memory/2404-139-0x0000000000401000-0x0000000000403000-memory.dmp

Filesize
8KB

Download
memory/4252-132-0x00000000029F0000-0x0000000002A88000-memory.dmp

Filesize
608KB

Download
memory/4252-143-0x0000000000400000-0x00000000004A7000-memory.dmp

Filesize
668KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads