orionlogger | e2cd099a99f457b6def884994d560681ca8965fdb7c5ac83c36eaf5d6f066586

Analysis

max time kernel
149s
max time network
126s
platform
windows11-21h2_x64
resource
win11-20251223-en
resource tags

arch:x64arch:x86image:win11-20251223-enlocale:en-usos:windows11-21h2-x64system
submitted
25/12/2025, 12:12

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General

Target
sample.exe
Size 605KB
Sample251225-pdcbdabj8s
SHA256 e2cd099a99f457b6def884994d560681ca8965fdb7c5ac83c36eaf5d6f066586
MD5 4df9ef95166ad9cc2a0e489892c64393
SHA1 c80a800b23bddab4968fc1e571fda61d580c9a79
SHA512 d9d90b2f81da04e8136e6a501cab7b14811bf03387fe63fc93972e9096c2a422d015c7c62caefae05d7408fc7dff588ea289436ae96367a79833e8e339ba3a76
SSDEEP 6144:WuLaQ5l3bRiGK+yaCK+5yj0Q9cumFcPSt/KGlUGCPLQFo2a05jRe9VdMvR0pi6VN:WuLbnbtCK2yj0Qy26t/K8Kk5w9Yupvk
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

discovery orionlogger spyware stealer

Malware Config

Extracted

Credentials

Protocol
smtp
Host
mail.o-hotel.com.hk
Port
587
Username
[email protected]
Password
Ohotel!1@2#3$4

Signatures

Detects OrionLogger 2 IoCs

resource	yara_rule
behavioral2/files/0x001a00000002b360-17.dat	family_orionlogger
behavioral2/memory/3424-19-0x0000000000680000-0x0000000000688000-memory.dmp	family_orionlogger

OrionLogger
OrionLogger is an information stealer written in C#.
stealer orionlogger
Orionlogger family
orionlogger

Executes dropped EXE 1 IoCs

pid	Process
3424	bfsvc.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
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

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
1	icanhazip.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4756 set thread context of 2064	4756	sample.exe	78

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bfsvc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sample.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sample.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4756	sample.exe
4756	sample.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4756	sample.exe
Token: SeDebugPrivilege	2064	sample.exe
Token: SeDebugPrivilege	3424	bfsvc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2064	sample.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4756 wrote to memory of 5016	4756	sample.exe	77
PID 4756 wrote to memory of 2064	4756	sample.exe	78
PID 4756 wrote to memory of 2064	4756	sample.exe	78
PID 4756 wrote to memory of 2064	4756	sample.exe	78
PID 4756 wrote to memory of 2064	4756	sample.exe	78
PID 4756 wrote to memory of 2064	4756	sample.exe	78
PID 2064 wrote to memory of 5796	2064	sample.exe	79
PID 5796 wrote to memory of 3424	5796	cmd.exe	81

C:\Users\Admin\AppData\Local\Temp\sample.exe
"C:\Users\Admin\AppData\Local\Temp\sample.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4756
- C:\Users\Admin\AppData\Local\Temp\sample.exe
  "C:\Users\Admin\AppData\Local\Temp\sample.exe"
  2⤵
  PID:5016
- C:\Users\Admin\AppData\Local\Temp\sample.exe
  "C:\Users\Admin\AppData\Local\Temp\sample.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2064
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" cmd /c bfsvc.exe "true" "true" "true" "true"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5796
  - - C:\Users\Admin\AppData\Local\Temp\bfsvc.exe
      bfsvc.exe "true" "true" "true" "true"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:3424

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

sample.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\sample.exe.log
Size 1KB
SHA256 b86bd40c06f723f5d658c7723e95ec352f53601df44496ab0f03feff9d3b0be7
MD5 d8bc8f37dee7b674d0934fd5d76398bf
SHA1 7024ed6f44c279d170b46899cb357e5dda7ebb9b
SHA512 2586221ea66dae55c27e7efb5edda809b0ccf10967d8364917a64a0cca6c47537b39fbff43ca2201b9c0c9613f0d95cf185b5243e5231b679ca75fbc56ea2048
MD5 SHA1 SHA512

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bfsvc.exe

Path C:\Users\Admin\AppData\Local\Temp\bfsvc.exe
Size 7KB
SHA256 f740df4d3a6c0b378116b48c1ed18a36e82938cf7dcaaba58f0ba8101f3e3531
MD5 7bfcf811a47c0ca77ee2c95333f0476e
SHA1 f3580c33ae27018d627ea12ffc41fb925367524f
SHA512 4386eb26bad23945ac7fe71a226a8f6a5a261f7e704e2389b360ad6f0864460137fbf95bc51abb3e90beb8328d4e854d7b5b0f04383a5460cc6dea5f28529c3b
SSDEEP 96:P8i84BdFuC8Ui/+Th7SggOD9lNvKfLgAX3kg0oF2mbzNt:ksBrR8Ui/+T0iD96fUAEZo19
MD5 SHA1 SHA512 SSDEEP

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memory/2064-9-0x0000000000400000-0x000000000041A000-memory.dmp

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memory/2064-21-0x0000000005450000-0x0000000005460000-memory.dmp

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memory/2064-13-0x0000000005450000-0x0000000005460000-memory.dmp

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memory/2064-12-0x00000000053A0000-0x0000000005406000-memory.dmp

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memory/3424-19-0x0000000000680000-0x0000000000688000-memory.dmp

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memory/4756-4-0x0000000004CB0000-0x0000000004CBA000-memory.dmp

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memory/4756-8-0x00000000076A0000-0x00000000076F6000-memory.dmp

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memory/4756-7-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

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memory/4756-6-0x0000000005190000-0x00000000051A2000-memory.dmp

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memory/4756-5-0x0000000004F10000-0x0000000004FAC000-memory.dmp

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memory/4756-0-0x0000000000160000-0x00000000001FC000-memory.dmp

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memory/4756-3-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

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memory/4756-2-0x0000000004CD0000-0x0000000004D62000-memory.dmp

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memory/4756-1-0x00000000051E0000-0x0000000005786000-memory.dmp

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