a036c5add52453dec8792b912b645dee230c8002059d65ecc6b0b16dccab3d44

General

Target

a036c5add52453dec8792b912b645dee230c8002059d65ecc6b0b16dccab3d44.exe
Size

7.5MB
MD5

642799dc8b9bb37f7698e1091395361f
SHA1

f2739353a153f8e7a5f857f527529ae6bca5a20c
SHA256

a036c5add52453dec8792b912b645dee230c8002059d65ecc6b0b16dccab3d44
SHA512

4b39f7caebca70526d53a57fbf80765fdbb57e9f9f6084b6d6fcfbcd1639522dd2084424f491c31e6c0023ef2427403679f23143fa3938562a1b1ab0d8ebc872
SSDEEP

196608:SsEcYtKe4gFPwwBkArzNsucRv3TG2mHVF+P+bj+6Q9fTtoABFF3Doz2AfEl/P3r9:ycYtKetFPwwBkArzNsucRv3TG2mHVF+F

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
1996	240606812.exe
3120	explorer.exe
1268	legit.exe
1572	is-3I1L7.tmp

Checks computer location settings 2 TTPs 2 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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	a036c5add52453dec8792b912b645dee230c8002059d65ecc6b0b16dccab3d44.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	240606812.exe

Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds 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\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Explorer = "\"C:\\Users\\Admin\\AppData\\Roaming\\explorer.exe\""	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 628 set thread context of 4956	628	a036c5add52453dec8792b912b645dee230c8002059d65ecc6b0b16dccab3d44.exe	82

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4664	4956	WerFault.exe	82

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 4956	628	a036c5add52453dec8792b912b645dee230c8002059d65ecc6b0b16dccab3d44.exe	82
PID 628 wrote to memory of 4956	628	a036c5add52453dec8792b912b645dee230c8002059d65ecc6b0b16dccab3d44.exe	82
PID 628 wrote to memory of 4956	628	a036c5add52453dec8792b912b645dee230c8002059d65ecc6b0b16dccab3d44.exe	82
PID 628 wrote to memory of 4956	628	a036c5add52453dec8792b912b645dee230c8002059d65ecc6b0b16dccab3d44.exe	82
PID 628 wrote to memory of 4956	628	a036c5add52453dec8792b912b645dee230c8002059d65ecc6b0b16dccab3d44.exe	82
PID 628 wrote to memory of 4956	628	a036c5add52453dec8792b912b645dee230c8002059d65ecc6b0b16dccab3d44.exe	82
PID 628 wrote to memory of 4956	628	a036c5add52453dec8792b912b645dee230c8002059d65ecc6b0b16dccab3d44.exe	82
PID 628 wrote to memory of 4956	628	a036c5add52453dec8792b912b645dee230c8002059d65ecc6b0b16dccab3d44.exe	82
PID 628 wrote to memory of 4956	628	a036c5add52453dec8792b912b645dee230c8002059d65ecc6b0b16dccab3d44.exe	82
PID 628 wrote to memory of 1996	628	a036c5add52453dec8792b912b645dee230c8002059d65ecc6b0b16dccab3d44.exe	85
PID 628 wrote to memory of 1996	628	a036c5add52453dec8792b912b645dee230c8002059d65ecc6b0b16dccab3d44.exe	85
PID 628 wrote to memory of 1996	628	a036c5add52453dec8792b912b645dee230c8002059d65ecc6b0b16dccab3d44.exe	85
PID 1996 wrote to memory of 3120	1996	240606812.exe	88
PID 1996 wrote to memory of 3120	1996	240606812.exe	88
PID 1996 wrote to memory of 3120	1996	240606812.exe	88
PID 1996 wrote to memory of 1268	1996	240606812.exe	89
PID 1996 wrote to memory of 1268	1996	240606812.exe	89
PID 1996 wrote to memory of 1268	1996	240606812.exe	89
PID 1268 wrote to memory of 1572	1268	legit.exe	90
PID 1268 wrote to memory of 1572	1268	legit.exe	90
PID 1268 wrote to memory of 1572	1268	legit.exe	90

C:\Users\Admin\AppData\Local\Temp\a036c5add52453dec8792b912b645dee230c8002059d65ecc6b0b16dccab3d44.exe
"C:\Users\Admin\AppData\Local\Temp\a036c5add52453dec8792b912b645dee230c8002059d65ecc6b0b16dccab3d44.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:628
- C:\Users\Admin\AppData\Local\Temp\a036c5add52453dec8792b912b645dee230c8002059d65ecc6b0b16dccab3d44.exe
  "C:\Users\Admin\AppData\Local\Temp\a036c5add52453dec8792b912b645dee230c8002059d65ecc6b0b16dccab3d44.exe"
  2⤵
  PID:4956
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4956 -s 472
    3⤵
    - Program crash
    PID:4664
- C:\Users\Admin\AppData\Roaming\240606812.exe
  "C:\Users\Admin\AppData\Roaming\240606812.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:1996
- - C:\Users\Admin\AppData\Local\Temp\explorer.exe
    "C:\Users\Admin\AppData\Local\Temp\explorer.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    PID:3120
- - C:\Users\Admin\AppData\Local\Temp\legit.exe
    "C:\Users\Admin\AppData\Local\Temp\legit.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:1268
  - - C:\Users\Admin\AppData\Local\Temp\is-FAPTA.tmp\is-3I1L7.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-FAPTA.tmp\is-3I1L7.tmp" /SL4 $A01BE C:\Users\Admin\AppData\Local\Temp\legit.exe 1475270 51200
      4⤵
      Executes dropped EXE
      PID:1572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4956 -ip 4956
1⤵
PID:3608

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\explorer.exe

Filesize
3.1MB

MD5
e2da1cea135d6f225a88e1928c7dc99e

SHA1
c7e300d9c46146f9c3fc914c86cdac5cd9d77ff0

SHA256
3795e3144370de9b6444c245add375789b941ff161349be8d0f0c63ada93391d

SHA512
927d4fe20516779c0c305e25d3d462e0e10cece22945f0031bb59f0831408afb4848f488f88f5d253bd7c610af5d64ea6288f8b3139108d760574088c741b5ae

Download Submit
C:\Users\Admin\AppData\Local\Temp\explorer.exe

Filesize
3.1MB

MD5
e2da1cea135d6f225a88e1928c7dc99e

SHA1
c7e300d9c46146f9c3fc914c86cdac5cd9d77ff0

SHA256
3795e3144370de9b6444c245add375789b941ff161349be8d0f0c63ada93391d

SHA512
927d4fe20516779c0c305e25d3d462e0e10cece22945f0031bb59f0831408afb4848f488f88f5d253bd7c610af5d64ea6288f8b3139108d760574088c741b5ae

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-FAPTA.tmp\is-3I1L7.tmp

Filesize
610KB

MD5
365e4b9988123eef3955a4fb28a9be93

SHA1
f2eacd886960eca81ba4c1e1e82f9e70711c296d

SHA256
cc85b7b90d427ca6f3b4c25593368bce1337eb475207aeed1ae2f9721b2370f9

SHA512
07f90c47216af13b0c059a08e226e3cf3de452f562fb40778195ce82344f6d2e17adc2a3456f618e508fcf1add5348685171ee7c0ec3fefdff327633e63b2991

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-FAPTA.tmp\is-3I1L7.tmp

Filesize
610KB

MD5
365e4b9988123eef3955a4fb28a9be93

SHA1
f2eacd886960eca81ba4c1e1e82f9e70711c296d

SHA256
cc85b7b90d427ca6f3b4c25593368bce1337eb475207aeed1ae2f9721b2370f9

SHA512
07f90c47216af13b0c059a08e226e3cf3de452f562fb40778195ce82344f6d2e17adc2a3456f618e508fcf1add5348685171ee7c0ec3fefdff327633e63b2991

Download Submit
C:\Users\Admin\AppData\Local\Temp\legit.exe

Filesize
1.6MB

MD5
ed57ac2313648d8ac358af586df72ac3

SHA1
e46a95842bcf27163576a8d15ac0b5f9c93d7fe5

SHA256
b0a546677a45f1061b868e00562e91fc6939da47fdfe7ab2e7a3f202502686f9

SHA512
95eedb429f8cf22e0b09604b8a12ad3591aec3e66fe68ce62f2a711970adf2db3e6965ddabd4b239f8d848c42a71c3cf7644bd6ff07991dfec8c8b30167bba97

Download Submit
C:\Users\Admin\AppData\Local\Temp\legit.exe

Filesize
1.6MB

MD5
ed57ac2313648d8ac358af586df72ac3

SHA1
e46a95842bcf27163576a8d15ac0b5f9c93d7fe5

SHA256
b0a546677a45f1061b868e00562e91fc6939da47fdfe7ab2e7a3f202502686f9

SHA512
95eedb429f8cf22e0b09604b8a12ad3591aec3e66fe68ce62f2a711970adf2db3e6965ddabd4b239f8d848c42a71c3cf7644bd6ff07991dfec8c8b30167bba97

Download Submit
C:\Users\Admin\AppData\Roaming\240606812.exe

Filesize
7.4MB

MD5
311dc8d6943b738dda5397ea2b012afe

SHA1
3b5ec42a632343a69da8247286942539a21f8ac2

SHA256
ebcb04517b36e2b5470c97bb859590402e91deb1a9ebe7a42b232793f56d6aa3

SHA512
3af9aaa201516c26689b4c216fe4af86e1f671498ea578c98202c7a006d3e34b4934367a93687bb96d4ea37c80e46d0676981735e431f61cd62bc544b307d03a

Download Submit
C:\Users\Admin\AppData\Roaming\240606812.exe

Filesize
7.4MB

MD5
311dc8d6943b738dda5397ea2b012afe

SHA1
3b5ec42a632343a69da8247286942539a21f8ac2

SHA256
ebcb04517b36e2b5470c97bb859590402e91deb1a9ebe7a42b232793f56d6aa3

SHA512
3af9aaa201516c26689b4c216fe4af86e1f671498ea578c98202c7a006d3e34b4934367a93687bb96d4ea37c80e46d0676981735e431f61cd62bc544b307d03a

Download Submit
memory/1268-158-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1268-160-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1268-164-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1996-142-0x00000000026E0000-0x000000000277D000-memory.dmp

Filesize
628KB

Download
memory/3120-146-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download
memory/3120-154-0x00000000025A0000-0x0000000002699000-memory.dmp

Filesize
996KB

Download
memory/4956-138-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4956-134-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4956-135-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4956-136-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4956-133-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

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