899114d9c98d45ee0d715190897c4bab7e9fef5c3bade2330020dd243cd04ce9

General

Target

2pepmrlmy0x0.exe
Size

14.3MB
MD5

ab72e8b99c9274312b59d887842170ec
SHA1

0a01e7f3520be3834e0669d2ce139e5aee667ba6
SHA256

899114d9c98d45ee0d715190897c4bab7e9fef5c3bade2330020dd243cd04ce9
SHA512

0b4cb9dd74f70906c3e52dd0c18065d3ece34da536a6555264e7bee136ff47ba3a5da36fbd794b79b14d7073b7c60dadc8013514ebb61aacfe00abe01aaf2cec
SSDEEP

393216:KM+wSvBVMRNEe5khbrHQmNJPCtqwZukp8znE:KM+3BiNEVtHvgqTkpmE

Score

9^/10

discovery evasion trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2pepmrlmy0x0.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2pepmrlmy0x0.exe

Checks BIOS information in registry 2 TTPs 4 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	2pepmrlmy0x0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2pepmrlmy0x0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2pepmrlmy0x0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2pepmrlmy0x0.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	ldrupd.bin

Deletes itself 1 IoCs

pid	Process
3652	ldrupd.bin

Executes dropped EXE 2 IoCs

pid	Process
3652	ldrupd.bin
2028	2pepmrlmy0x0.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 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	2pepmrlmy0x0.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	2pepmrlmy0x0.exe

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2028	2pepmrlmy0x0.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSystemEnvironmentPrivilege	1948	2pepmrlmy0x0.exe
Token: SeSystemEnvironmentPrivilege	2028	2pepmrlmy0x0.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2028	2pepmrlmy0x0.exe
2028	2pepmrlmy0x0.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 4972	1948	2pepmrlmy0x0.exe	88
PID 1948 wrote to memory of 4972	1948	2pepmrlmy0x0.exe	88
PID 1948 wrote to memory of 4972	1948	2pepmrlmy0x0.exe	88
PID 1948 wrote to memory of 4892	1948	2pepmrlmy0x0.exe	90
PID 1948 wrote to memory of 4892	1948	2pepmrlmy0x0.exe	90
PID 1948 wrote to memory of 4892	1948	2pepmrlmy0x0.exe	90
PID 1948 wrote to memory of 3652	1948	2pepmrlmy0x0.exe	91
PID 1948 wrote to memory of 3652	1948	2pepmrlmy0x0.exe	91
PID 3652 wrote to memory of 2028	3652	ldrupd.bin	92
PID 3652 wrote to memory of 2028	3652	ldrupd.bin	92
PID 2028 wrote to memory of 4340	2028	2pepmrlmy0x0.exe	96
PID 2028 wrote to memory of 4340	2028	2pepmrlmy0x0.exe	96
PID 2028 wrote to memory of 4340	2028	2pepmrlmy0x0.exe	96
PID 2028 wrote to memory of 876	2028	2pepmrlmy0x0.exe	97
PID 2028 wrote to memory of 876	2028	2pepmrlmy0x0.exe	97
PID 2028 wrote to memory of 876	2028	2pepmrlmy0x0.exe	97

C:\Users\Admin\AppData\Local\Temp\2pepmrlmy0x0.exe
"C:\Users\Admin\AppData\Local\Temp\2pepmrlmy0x0.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  PID:4972
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  PID:4892
- C:\Users\Admin\AppData\Local\ldrupd.bin
  "C:\Users\Admin\AppData\Local\ldrupd.bin"
  2⤵
  - Checks computer location settings
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:3652
- - C:\Users\Admin\AppData\Local\Temp\2pepmrlmy0x0.exe
    "C:\Users\Admin\AppData\Local\Temp\2pepmrlmy0x0.exe"
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2028
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe"
      4⤵
      PID:4340
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe"
      4⤵
      PID:876

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

4

T1012

System Information Discovery

4

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\2pepmrlmy0x0.exe

Filesize
16.2MB

MD5
e9ea5a514cb676c11c648404679ce098

SHA1
c84c9bdce8635aac67d87c7142caaf98928744c1

SHA256
7d87db18117d75975f758e9d901426fa1f4365effa2c5529cd3ac60310c1e0c5

SHA512
5f04a8b94541518892e072dbdcf7c35360d62f198a7a79fbfcf54ce8648aaa79e0d36ac981d0971d1f551710c0285bfdd56bf2ce6c2f5ac0efbca27abe286509

Download Submit
C:\Users\Admin\AppData\Local\ldrupd.bin

Filesize
3KB

MD5
a24978a6b77e2cd99823e24c6eb4d055

SHA1
05aab593ba8e0c21f2859d04d4810fdd1ce453c3

SHA256
80ac94c086eb6e52bc3bbebd86e0795f6cb7476153af0c767b9ae4b7e9931140

SHA512
24356ce42d0fd7839166416604fd7bd101cab8754de095676c921bfb664bc110e8a87cb863afefb5fd98450496c1b3e303851943f13a3e19f206350239c2a8db

Download Submit
memory/1948-11-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download
memory/1948-2-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download
memory/1948-5-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download
memory/1948-4-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download
memory/1948-6-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download
memory/1948-0-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download
memory/1948-1-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download
memory/1948-3-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download
memory/2028-20-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download
memory/2028-21-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download
memory/2028-22-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download
memory/2028-23-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download
memory/2028-24-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/2028-563-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads