orcus | b024801dc39508b26f463fdd002e4daaf3c3e45870c664f75ab1a98e42cb1d2f

General

Target

705e236d9741eab7b6bd7c00cc31396d_JaffaCakes118.exe
Size

905KB
MD5

705e236d9741eab7b6bd7c00cc31396d
SHA1

b74b875ca24cf47706dd3c9d143a667cf3b5578f
SHA256

b024801dc39508b26f463fdd002e4daaf3c3e45870c664f75ab1a98e42cb1d2f
SHA512

05efc5d585c86d4c3eff76313e8fd24647458207f2b9885bcea4852db8c4daf928e53468b990c6a77bb624939669a87672a42d0a50737880e1af5188d9c8a4c3
SSDEEP

12288:noHWszy2LkjKgEX0pq5g7dG1lFlWcYT70pxnnaaoawvjKgRRAErZNrI0AilFEvxk:Leu4MROxnFDgHjrZlI0AilFEvxHiSVu

Score

10^/10

orcus rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

s1.kekw.tk:1337

Mutex

ec048ad7fb2544ce8ce0e245ce5e3c05

Attributes

autostart_method
Disable
enable_keylogger
true
install_path
%allusersprofile%\Microsoft\Windows\time.exe
reconnect_delay
10000
registry_keyname
Orcus
taskscheduler_taskname
Orcus
watchdog_path
AppData\OrcusWatchdog.exe

Signatures

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer orcus

Orcus main payload 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001227c-25.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001227c-25.dat	orcus
behavioral1/memory/2120-29-0x0000000001350000-0x0000000001438000-memory.dmp	orcus

Executes dropped EXE 2 IoCs

pid	Process
2120	time.exe
2640	time.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2120	time.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2120	time.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 3000	2440	705e236d9741eab7b6bd7c00cc31396d_JaffaCakes118.exe	28
PID 2440 wrote to memory of 3000	2440	705e236d9741eab7b6bd7c00cc31396d_JaffaCakes118.exe	28
PID 2440 wrote to memory of 3000	2440	705e236d9741eab7b6bd7c00cc31396d_JaffaCakes118.exe	28
PID 3000 wrote to memory of 2676	3000	csc.exe	30
PID 3000 wrote to memory of 2676	3000	csc.exe	30
PID 3000 wrote to memory of 2676	3000	csc.exe	30
PID 2440 wrote to memory of 2120	2440	705e236d9741eab7b6bd7c00cc31396d_JaffaCakes118.exe	31
PID 2440 wrote to memory of 2120	2440	705e236d9741eab7b6bd7c00cc31396d_JaffaCakes118.exe	31
PID 2440 wrote to memory of 2120	2440	705e236d9741eab7b6bd7c00cc31396d_JaffaCakes118.exe	31
PID 2716 wrote to memory of 2640	2716	taskeng.exe	33
PID 2716 wrote to memory of 2640	2716	taskeng.exe	33
PID 2716 wrote to memory of 2640	2716	taskeng.exe	33

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\705e236d9741eab7b6bd7c00cc31396d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\705e236d9741eab7b6bd7c00cc31396d_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
  "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\dgjhcibv.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3000
- - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES1018.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC1017.tmp"
    3⤵
    PID:2676
- C:\ProgramData\Microsoft\Windows\time.exe
  "C:\ProgramData\Microsoft\Windows\time.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2120

C:\Windows\system32\taskeng.exe
taskeng.exe {AB5859FA-0065-4E36-8827-B4930D55ED91} S-1-5-21-481678230-3773327859-3495911762-1000:UIBNQNMA\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2716
- C:\ProgramData\Microsoft\Windows\time.exe
  C:\ProgramData\Microsoft\Windows\time.exe
  2⤵
  - Executes dropped EXE
  PID:2640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Microsoft\Windows\time.exe

Filesize
905KB

MD5
705e236d9741eab7b6bd7c00cc31396d

SHA1
b74b875ca24cf47706dd3c9d143a667cf3b5578f

SHA256
b024801dc39508b26f463fdd002e4daaf3c3e45870c664f75ab1a98e42cb1d2f

SHA512
05efc5d585c86d4c3eff76313e8fd24647458207f2b9885bcea4852db8c4daf928e53468b990c6a77bb624939669a87672a42d0a50737880e1af5188d9c8a4c3

Download Submit
C:\ProgramData\Microsoft\Windows\time.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES1018.tmp

Filesize
1KB

MD5
7a4a05380de5a55c1e3c14236e38d43b

SHA1
9e30af768861995cd2782211520061ccb78ad2a5

SHA256
ab3ae776e6057b7ac051ff950ca80f05925cc6e31cacd27482ac07b3e16f30cb

SHA512
4378727aafc5aa3d9c31ae64850a6640a6940f3448470e24abae4af0fa5ba8bcf50243c503a18a8c18149ad66b94d88517ee7adee8871cccbfec3ed028b7f44f

Download Submit
C:\Users\Admin\AppData\Local\Temp\dgjhcibv.dll

Filesize
76KB

MD5
43879524d012565b8e6cc22def98094e

SHA1
ede62c68d763526ce45423ce056c867d402e94a8

SHA256
a0ea85063f1f75ec2742a0e2f0165e4c3eec1ef727c136ae0edd5e981b87f6e5

SHA512
c24af5d735584891ba3dfdea8ea0553b86a6718da570a62369420b5428e78bf0088d3a940ec5b6d9716176dfc33801f29516a9b0099bf7448079d423cd08f786

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\CSC1017.tmp

Filesize
676B

MD5
68d2aa6f912b9ced6df7ad6922f58498

SHA1
5dca7d158e35828f918732d2301c0cdcbb530815

SHA256
af460c9bca79eface735c7d943281643b4305a2b863b438d0ca0e830d9214d6e

SHA512
3cac5752763a12395a567a811dd86df0fd113af55a796128ad1acaf2f06d4330652fe86d3c282e8e29d6f28c46afd6373f91de5a42a5e9189cf1137da9df559e

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\dgjhcibv.0.cs

Filesize
208KB

MD5
250321226bbc2a616d91e1c82cb4ab2b

SHA1
7cffd0b2e9c842865d8961386ab8fcfac8d04173

SHA256
ef2707f83a0c0927cfd46b115641b9cae52a41123e4826515b9eeb561785218d

SHA512
bda59ca04cdf254f837f2cec6da55eff5c3d2af00da66537b9ebaa3601c502ae63772f082fd12663b63d537d2e03efe87a3b5746ef25e842aaf1c7d88245b4e1

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\dgjhcibv.cmdline

Filesize
349B

MD5
977205e745980e53f179e800543b9729

SHA1
bfc19798f76dab77deaf8aaf3ef9c8c53f49b0d0

SHA256
cc1ef790fd16c4cadac677aefcc7231ef4149c71a8404fb787146607db40e982

SHA512
51907536e22344824ad2d317b3e45d9e344587d969cfda0de3a7e531209dbece6debdfea21da108b124db06f93672bc136e9709e56617a5a8bdd732a48fa034c

Download Submit
memory/2120-29-0x0000000001350000-0x0000000001438000-memory.dmp

Filesize
928KB

Download
memory/2120-32-0x000000001ABB0000-0x000000001ABC0000-memory.dmp

Filesize
64KB

Download
memory/2120-31-0x000000001AB80000-0x000000001AB98000-memory.dmp

Filesize
96KB

Download
memory/2120-30-0x00000000012F0000-0x000000000133E000-memory.dmp

Filesize
312KB

Download
memory/2440-4-0x000007FEF62D0000-0x000007FEF6C6D000-memory.dmp

Filesize
9.6MB

Download
memory/2440-20-0x0000000000550000-0x0000000000562000-memory.dmp

Filesize
72KB

Download
memory/2440-2-0x0000000000510000-0x000000000051E000-memory.dmp

Filesize
56KB

Download
memory/2440-1-0x000000001AD60000-0x000000001ADBC000-memory.dmp

Filesize
368KB

Download
memory/2440-27-0x000007FEF62D0000-0x000007FEF6C6D000-memory.dmp

Filesize
9.6MB

Download
memory/2440-3-0x000007FEF62D0000-0x000007FEF6C6D000-memory.dmp

Filesize
9.6MB

Download
memory/2440-0-0x000007FEF658E000-0x000007FEF658F000-memory.dmp

Filesize
4KB

Download
memory/2440-17-0x000000001ADC0000-0x000000001ADD6000-memory.dmp

Filesize
88KB

Download
memory/3000-19-0x000007FEF62D0000-0x000007FEF6C6D000-memory.dmp

Filesize
9.6MB

Download
memory/3000-34-0x000007FEF62D0000-0x000007FEF6C6D000-memory.dmp

Filesize
9.6MB

Download

Analysis

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